Merge pull request #121034 from alexzielenski/apiserver/apiextensions/ratcheting-oldself-create

KEP-4008: CRDValidationRatcheting: Add support for optional `oldSelf`
This commit is contained in:
Kubernetes Prow Robot
2023-11-04 02:57:46 +01:00
committed by GitHub
35 changed files with 2222 additions and 431 deletions

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@@ -16533,12 +16533,16 @@
"description": "MessageExpression declares a CEL expression that evaluates to the validation failure message that is returned when this rule fails. Since messageExpression is used as a failure message, it must evaluate to a string. If both message and messageExpression are present on a rule, then messageExpression will be used if validation fails. If messageExpression results in a runtime error, the runtime error is logged, and the validation failure message is produced as if the messageExpression field were unset. If messageExpression evaluates to an empty string, a string with only spaces, or a string that contains line breaks, then the validation failure message will also be produced as if the messageExpression field were unset, and the fact that messageExpression produced an empty string/string with only spaces/string with line breaks will be logged. messageExpression has access to all the same variables as the rule; the only difference is the return type. Example: \"x must be less than max (\"+string(self.max)+\")\"",
"type": "string"
},
"optionalOldSelf": {
"description": "optionalOldSelf is used to opt a transition rule into evaluation even when the object is first created, or if the old object is missing the value.\n\nWhen enabled `oldSelf` will be a CEL optional whose value will be `None` if there is no old value, or when the object is initially created.\n\nYou may check for presence of oldSelf using `oldSelf.hasValue()` and unwrap it after checking using `oldSelf.value()`. Check the CEL documentation for Optional types for more information: https://pkg.go.dev/github.com/google/cel-go/cel#OptionalTypes\n\nMay not be set unless `oldSelf` is used in `rule`.",
"type": "boolean"
},
"reason": {
"description": "reason provides a machine-readable validation failure reason that is returned to the caller when a request fails this validation rule. The HTTP status code returned to the caller will match the reason of the reason of the first failed validation rule. The currently supported reasons are: \"FieldValueInvalid\", \"FieldValueForbidden\", \"FieldValueRequired\", \"FieldValueDuplicate\". If not set, default to use \"FieldValueInvalid\". All future added reasons must be accepted by clients when reading this value and unknown reasons should be treated as FieldValueInvalid.",
"type": "string"
},
"rule": {
"description": "Rule represents the expression which will be evaluated by CEL. ref: https://github.com/google/cel-spec The Rule is scoped to the location of the x-kubernetes-validations extension in the schema. The `self` variable in the CEL expression is bound to the scoped value. Example: - Rule scoped to the root of a resource with a status subresource: {\"rule\": \"self.status.actual <= self.spec.maxDesired\"}\n\nIf the Rule is scoped to an object with properties, the accessible properties of the object are field selectable via `self.field` and field presence can be checked via `has(self.field)`. Null valued fields are treated as absent fields in CEL expressions. If the Rule is scoped to an object with additionalProperties (i.e. a map) the value of the map are accessible via `self[mapKey]`, map containment can be checked via `mapKey in self` and all entries of the map are accessible via CEL macros and functions such as `self.all(...)`. If the Rule is scoped to an array, the elements of the array are accessible via `self[i]` and also by macros and functions. If the Rule is scoped to a scalar, `self` is bound to the scalar value. Examples: - Rule scoped to a map of objects: {\"rule\": \"self.components['Widget'].priority < 10\"} - Rule scoped to a list of integers: {\"rule\": \"self.values.all(value, value >= 0 && value < 100)\"} - Rule scoped to a string value: {\"rule\": \"self.startsWith('kube')\"}\n\nThe `apiVersion`, `kind`, `metadata.name` and `metadata.generateName` are always accessible from the root of the object and from any x-kubernetes-embedded-resource annotated objects. No other metadata properties are accessible.\n\nUnknown data preserved in custom resources via x-kubernetes-preserve-unknown-fields is not accessible in CEL expressions. This includes: - Unknown field values that are preserved by object schemas with x-kubernetes-preserve-unknown-fields. - Object properties where the property schema is of an \"unknown type\". An \"unknown type\" is recursively defined as:\n - A schema with no type and x-kubernetes-preserve-unknown-fields set to true\n - An array where the items schema is of an \"unknown type\"\n - An object where the additionalProperties schema is of an \"unknown type\"\n\nOnly property names of the form `[a-zA-Z_.-/][a-zA-Z0-9_.-/]*` are accessible. Accessible property names are escaped according to the following rules when accessed in the expression: - '__' escapes to '__underscores__' - '.' escapes to '__dot__' - '-' escapes to '__dash__' - '/' escapes to '__slash__' - Property names that exactly match a CEL RESERVED keyword escape to '__{keyword}__'. The keywords are:\n\t \"true\", \"false\", \"null\", \"in\", \"as\", \"break\", \"const\", \"continue\", \"else\", \"for\", \"function\", \"if\",\n\t \"import\", \"let\", \"loop\", \"package\", \"namespace\", \"return\".\nExamples:\n - Rule accessing a property named \"namespace\": {\"rule\": \"self.__namespace__ > 0\"}\n - Rule accessing a property named \"x-prop\": {\"rule\": \"self.x__dash__prop > 0\"}\n - Rule accessing a property named \"redact__d\": {\"rule\": \"self.redact__underscores__d > 0\"}\n\nEquality on arrays with x-kubernetes-list-type of 'set' or 'map' ignores element order, i.e. [1, 2] == [2, 1]. Concatenation on arrays with x-kubernetes-list-type use the semantics of the list type:\n - 'set': `X + Y` performs a union where the array positions of all elements in `X` are preserved and\n non-intersecting elements in `Y` are appended, retaining their partial order.\n - 'map': `X + Y` performs a merge where the array positions of all keys in `X` are preserved but the values\n are overwritten by values in `Y` when the key sets of `X` and `Y` intersect. Elements in `Y` with\n non-intersecting keys are appended, retaining their partial order.",
"description": "Rule represents the expression which will be evaluated by CEL. ref: https://github.com/google/cel-spec The Rule is scoped to the location of the x-kubernetes-validations extension in the schema. The `self` variable in the CEL expression is bound to the scoped value. Example: - Rule scoped to the root of a resource with a status subresource: {\"rule\": \"self.status.actual <= self.spec.maxDesired\"}\n\nIf the Rule is scoped to an object with properties, the accessible properties of the object are field selectable via `self.field` and field presence can be checked via `has(self.field)`. Null valued fields are treated as absent fields in CEL expressions. If the Rule is scoped to an object with additionalProperties (i.e. a map) the value of the map are accessible via `self[mapKey]`, map containment can be checked via `mapKey in self` and all entries of the map are accessible via CEL macros and functions such as `self.all(...)`. If the Rule is scoped to an array, the elements of the array are accessible via `self[i]` and also by macros and functions. If the Rule is scoped to a scalar, `self` is bound to the scalar value. Examples: - Rule scoped to a map of objects: {\"rule\": \"self.components['Widget'].priority < 10\"} - Rule scoped to a list of integers: {\"rule\": \"self.values.all(value, value >= 0 && value < 100)\"} - Rule scoped to a string value: {\"rule\": \"self.startsWith('kube')\"}\n\nThe `apiVersion`, `kind`, `metadata.name` and `metadata.generateName` are always accessible from the root of the object and from any x-kubernetes-embedded-resource annotated objects. No other metadata properties are accessible.\n\nUnknown data preserved in custom resources via x-kubernetes-preserve-unknown-fields is not accessible in CEL expressions. This includes: - Unknown field values that are preserved by object schemas with x-kubernetes-preserve-unknown-fields. - Object properties where the property schema is of an \"unknown type\". An \"unknown type\" is recursively defined as:\n - A schema with no type and x-kubernetes-preserve-unknown-fields set to true\n - An array where the items schema is of an \"unknown type\"\n - An object where the additionalProperties schema is of an \"unknown type\"\n\nOnly property names of the form `[a-zA-Z_.-/][a-zA-Z0-9_.-/]*` are accessible. Accessible property names are escaped according to the following rules when accessed in the expression: - '__' escapes to '__underscores__' - '.' escapes to '__dot__' - '-' escapes to '__dash__' - '/' escapes to '__slash__' - Property names that exactly match a CEL RESERVED keyword escape to '__{keyword}__'. The keywords are:\n\t \"true\", \"false\", \"null\", \"in\", \"as\", \"break\", \"const\", \"continue\", \"else\", \"for\", \"function\", \"if\",\n\t \"import\", \"let\", \"loop\", \"package\", \"namespace\", \"return\".\nExamples:\n - Rule accessing a property named \"namespace\": {\"rule\": \"self.__namespace__ > 0\"}\n - Rule accessing a property named \"x-prop\": {\"rule\": \"self.x__dash__prop > 0\"}\n - Rule accessing a property named \"redact__d\": {\"rule\": \"self.redact__underscores__d > 0\"}\n\nEquality on arrays with x-kubernetes-list-type of 'set' or 'map' ignores element order, i.e. [1, 2] == [2, 1]. Concatenation on arrays with x-kubernetes-list-type use the semantics of the list type:\n - 'set': `X + Y` performs a union where the array positions of all elements in `X` are preserved and\n non-intersecting elements in `Y` are appended, retaining their partial order.\n - 'map': `X + Y` performs a merge where the array positions of all keys in `X` are preserved but the values\n are overwritten by values in `Y` when the key sets of `X` and `Y` intersect. Elements in `Y` with\n non-intersecting keys are appended, retaining their partial order.\n\nIf `rule` makes use of the `oldSelf` variable it is implicitly a `transition rule`.\n\nBy default, the `oldSelf` variable is the same type as `self`. When `optionalOldSelf` is true, the `oldSelf` variable is a CEL optional\n variable whose value() is the same type as `self`.\nSee the documentation for the `optionalOldSelf` field for details.\n\nTransition rules by default are applied only on UPDATE requests and are skipped if an old value could not be found. You can opt a transition rule into unconditional evaluation by setting `optionalOldSelf` to true.",
"type": "string"
}
},

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@@ -762,13 +762,17 @@
"description": "MessageExpression declares a CEL expression that evaluates to the validation failure message that is returned when this rule fails. Since messageExpression is used as a failure message, it must evaluate to a string. If both message and messageExpression are present on a rule, then messageExpression will be used if validation fails. If messageExpression results in a runtime error, the runtime error is logged, and the validation failure message is produced as if the messageExpression field were unset. If messageExpression evaluates to an empty string, a string with only spaces, or a string that contains line breaks, then the validation failure message will also be produced as if the messageExpression field were unset, and the fact that messageExpression produced an empty string/string with only spaces/string with line breaks will be logged. messageExpression has access to all the same variables as the rule; the only difference is the return type. Example: \"x must be less than max (\"+string(self.max)+\")\"",
"type": "string"
},
"optionalOldSelf": {
"description": "optionalOldSelf is used to opt a transition rule into evaluation even when the object is first created, or if the old object is missing the value.\n\nWhen enabled `oldSelf` will be a CEL optional whose value will be `None` if there is no old value, or when the object is initially created.\n\nYou may check for presence of oldSelf using `oldSelf.hasValue()` and unwrap it after checking using `oldSelf.value()`. Check the CEL documentation for Optional types for more information: https://pkg.go.dev/github.com/google/cel-go/cel#OptionalTypes\n\nMay not be set unless `oldSelf` is used in `rule`.",
"type": "boolean"
},
"reason": {
"description": "reason provides a machine-readable validation failure reason that is returned to the caller when a request fails this validation rule. The HTTP status code returned to the caller will match the reason of the reason of the first failed validation rule. The currently supported reasons are: \"FieldValueInvalid\", \"FieldValueForbidden\", \"FieldValueRequired\", \"FieldValueDuplicate\". If not set, default to use \"FieldValueInvalid\". All future added reasons must be accepted by clients when reading this value and unknown reasons should be treated as FieldValueInvalid.",
"type": "string"
},
"rule": {
"default": "",
"description": "Rule represents the expression which will be evaluated by CEL. ref: https://github.com/google/cel-spec The Rule is scoped to the location of the x-kubernetes-validations extension in the schema. The `self` variable in the CEL expression is bound to the scoped value. Example: - Rule scoped to the root of a resource with a status subresource: {\"rule\": \"self.status.actual <= self.spec.maxDesired\"}\n\nIf the Rule is scoped to an object with properties, the accessible properties of the object are field selectable via `self.field` and field presence can be checked via `has(self.field)`. Null valued fields are treated as absent fields in CEL expressions. If the Rule is scoped to an object with additionalProperties (i.e. a map) the value of the map are accessible via `self[mapKey]`, map containment can be checked via `mapKey in self` and all entries of the map are accessible via CEL macros and functions such as `self.all(...)`. If the Rule is scoped to an array, the elements of the array are accessible via `self[i]` and also by macros and functions. If the Rule is scoped to a scalar, `self` is bound to the scalar value. Examples: - Rule scoped to a map of objects: {\"rule\": \"self.components['Widget'].priority < 10\"} - Rule scoped to a list of integers: {\"rule\": \"self.values.all(value, value >= 0 && value < 100)\"} - Rule scoped to a string value: {\"rule\": \"self.startsWith('kube')\"}\n\nThe `apiVersion`, `kind`, `metadata.name` and `metadata.generateName` are always accessible from the root of the object and from any x-kubernetes-embedded-resource annotated objects. No other metadata properties are accessible.\n\nUnknown data preserved in custom resources via x-kubernetes-preserve-unknown-fields is not accessible in CEL expressions. This includes: - Unknown field values that are preserved by object schemas with x-kubernetes-preserve-unknown-fields. - Object properties where the property schema is of an \"unknown type\". An \"unknown type\" is recursively defined as:\n - A schema with no type and x-kubernetes-preserve-unknown-fields set to true\n - An array where the items schema is of an \"unknown type\"\n - An object where the additionalProperties schema is of an \"unknown type\"\n\nOnly property names of the form `[a-zA-Z_.-/][a-zA-Z0-9_.-/]*` are accessible. Accessible property names are escaped according to the following rules when accessed in the expression: - '__' escapes to '__underscores__' - '.' escapes to '__dot__' - '-' escapes to '__dash__' - '/' escapes to '__slash__' - Property names that exactly match a CEL RESERVED keyword escape to '__{keyword}__'. The keywords are:\n\t \"true\", \"false\", \"null\", \"in\", \"as\", \"break\", \"const\", \"continue\", \"else\", \"for\", \"function\", \"if\",\n\t \"import\", \"let\", \"loop\", \"package\", \"namespace\", \"return\".\nExamples:\n - Rule accessing a property named \"namespace\": {\"rule\": \"self.__namespace__ > 0\"}\n - Rule accessing a property named \"x-prop\": {\"rule\": \"self.x__dash__prop > 0\"}\n - Rule accessing a property named \"redact__d\": {\"rule\": \"self.redact__underscores__d > 0\"}\n\nEquality on arrays with x-kubernetes-list-type of 'set' or 'map' ignores element order, i.e. [1, 2] == [2, 1]. Concatenation on arrays with x-kubernetes-list-type use the semantics of the list type:\n - 'set': `X + Y` performs a union where the array positions of all elements in `X` are preserved and\n non-intersecting elements in `Y` are appended, retaining their partial order.\n - 'map': `X + Y` performs a merge where the array positions of all keys in `X` are preserved but the values\n are overwritten by values in `Y` when the key sets of `X` and `Y` intersect. Elements in `Y` with\n non-intersecting keys are appended, retaining their partial order.",
"description": "Rule represents the expression which will be evaluated by CEL. ref: https://github.com/google/cel-spec The Rule is scoped to the location of the x-kubernetes-validations extension in the schema. The `self` variable in the CEL expression is bound to the scoped value. Example: - Rule scoped to the root of a resource with a status subresource: {\"rule\": \"self.status.actual <= self.spec.maxDesired\"}\n\nIf the Rule is scoped to an object with properties, the accessible properties of the object are field selectable via `self.field` and field presence can be checked via `has(self.field)`. Null valued fields are treated as absent fields in CEL expressions. If the Rule is scoped to an object with additionalProperties (i.e. a map) the value of the map are accessible via `self[mapKey]`, map containment can be checked via `mapKey in self` and all entries of the map are accessible via CEL macros and functions such as `self.all(...)`. If the Rule is scoped to an array, the elements of the array are accessible via `self[i]` and also by macros and functions. If the Rule is scoped to a scalar, `self` is bound to the scalar value. Examples: - Rule scoped to a map of objects: {\"rule\": \"self.components['Widget'].priority < 10\"} - Rule scoped to a list of integers: {\"rule\": \"self.values.all(value, value >= 0 && value < 100)\"} - Rule scoped to a string value: {\"rule\": \"self.startsWith('kube')\"}\n\nThe `apiVersion`, `kind`, `metadata.name` and `metadata.generateName` are always accessible from the root of the object and from any x-kubernetes-embedded-resource annotated objects. No other metadata properties are accessible.\n\nUnknown data preserved in custom resources via x-kubernetes-preserve-unknown-fields is not accessible in CEL expressions. This includes: - Unknown field values that are preserved by object schemas with x-kubernetes-preserve-unknown-fields. - Object properties where the property schema is of an \"unknown type\". An \"unknown type\" is recursively defined as:\n - A schema with no type and x-kubernetes-preserve-unknown-fields set to true\n - An array where the items schema is of an \"unknown type\"\n - An object where the additionalProperties schema is of an \"unknown type\"\n\nOnly property names of the form `[a-zA-Z_.-/][a-zA-Z0-9_.-/]*` are accessible. Accessible property names are escaped according to the following rules when accessed in the expression: - '__' escapes to '__underscores__' - '.' escapes to '__dot__' - '-' escapes to '__dash__' - '/' escapes to '__slash__' - Property names that exactly match a CEL RESERVED keyword escape to '__{keyword}__'. The keywords are:\n\t \"true\", \"false\", \"null\", \"in\", \"as\", \"break\", \"const\", \"continue\", \"else\", \"for\", \"function\", \"if\",\n\t \"import\", \"let\", \"loop\", \"package\", \"namespace\", \"return\".\nExamples:\n - Rule accessing a property named \"namespace\": {\"rule\": \"self.__namespace__ > 0\"}\n - Rule accessing a property named \"x-prop\": {\"rule\": \"self.x__dash__prop > 0\"}\n - Rule accessing a property named \"redact__d\": {\"rule\": \"self.redact__underscores__d > 0\"}\n\nEquality on arrays with x-kubernetes-list-type of 'set' or 'map' ignores element order, i.e. [1, 2] == [2, 1]. Concatenation on arrays with x-kubernetes-list-type use the semantics of the list type:\n - 'set': `X + Y` performs a union where the array positions of all elements in `X` are preserved and\n non-intersecting elements in `Y` are appended, retaining their partial order.\n - 'map': `X + Y` performs a merge where the array positions of all keys in `X` are preserved but the values\n are overwritten by values in `Y` when the key sets of `X` and `Y` intersect. Elements in `Y` with\n non-intersecting keys are appended, retaining their partial order.\n\nIf `rule` makes use of the `oldSelf` variable it is implicitly a `transition rule`.\n\nBy default, the `oldSelf` variable is the same type as `self`. When `optionalOldSelf` is true, the `oldSelf` variable is a CEL optional\n variable whose value() is the same type as `self`.\nSee the documentation for the `optionalOldSelf` field for details.\n\nTransition rules by default are applied only on UPDATE requests and are skipped if an old value could not be found. You can opt a transition rule into unconditional evaluation by setting `optionalOldSelf` to true.",
"type": "string"
}
},

View File

@@ -47145,7 +47145,7 @@ func schema_pkg_apis_apiextensions_v1_ValidationRule(ref common.ReferenceCallbac
Properties: map[string]spec.Schema{
"rule": {
SchemaProps: spec.SchemaProps{
Description: "Rule represents the expression which will be evaluated by CEL. ref: https://github.com/google/cel-spec The Rule is scoped to the location of the x-kubernetes-validations extension in the schema. The `self` variable in the CEL expression is bound to the scoped value. Example: - Rule scoped to the root of a resource with a status subresource: {\"rule\": \"self.status.actual <= self.spec.maxDesired\"}\n\nIf the Rule is scoped to an object with properties, the accessible properties of the object are field selectable via `self.field` and field presence can be checked via `has(self.field)`. Null valued fields are treated as absent fields in CEL expressions. If the Rule is scoped to an object with additionalProperties (i.e. a map) the value of the map are accessible via `self[mapKey]`, map containment can be checked via `mapKey in self` and all entries of the map are accessible via CEL macros and functions such as `self.all(...)`. If the Rule is scoped to an array, the elements of the array are accessible via `self[i]` and also by macros and functions. If the Rule is scoped to a scalar, `self` is bound to the scalar value. Examples: - Rule scoped to a map of objects: {\"rule\": \"self.components['Widget'].priority < 10\"} - Rule scoped to a list of integers: {\"rule\": \"self.values.all(value, value >= 0 && value < 100)\"} - Rule scoped to a string value: {\"rule\": \"self.startsWith('kube')\"}\n\nThe `apiVersion`, `kind`, `metadata.name` and `metadata.generateName` are always accessible from the root of the object and from any x-kubernetes-embedded-resource annotated objects. No other metadata properties are accessible.\n\nUnknown data preserved in custom resources via x-kubernetes-preserve-unknown-fields is not accessible in CEL expressions. This includes: - Unknown field values that are preserved by object schemas with x-kubernetes-preserve-unknown-fields. - Object properties where the property schema is of an \"unknown type\". An \"unknown type\" is recursively defined as:\n - A schema with no type and x-kubernetes-preserve-unknown-fields set to true\n - An array where the items schema is of an \"unknown type\"\n - An object where the additionalProperties schema is of an \"unknown type\"\n\nOnly property names of the form `[a-zA-Z_.-/][a-zA-Z0-9_.-/]*` are accessible. Accessible property names are escaped according to the following rules when accessed in the expression: - '__' escapes to '__underscores__' - '.' escapes to '__dot__' - '-' escapes to '__dash__' - '/' escapes to '__slash__' - Property names that exactly match a CEL RESERVED keyword escape to '__{keyword}__'. The keywords are:\n\t \"true\", \"false\", \"null\", \"in\", \"as\", \"break\", \"const\", \"continue\", \"else\", \"for\", \"function\", \"if\",\n\t \"import\", \"let\", \"loop\", \"package\", \"namespace\", \"return\".\nExamples:\n - Rule accessing a property named \"namespace\": {\"rule\": \"self.__namespace__ > 0\"}\n - Rule accessing a property named \"x-prop\": {\"rule\": \"self.x__dash__prop > 0\"}\n - Rule accessing a property named \"redact__d\": {\"rule\": \"self.redact__underscores__d > 0\"}\n\nEquality on arrays with x-kubernetes-list-type of 'set' or 'map' ignores element order, i.e. [1, 2] == [2, 1]. Concatenation on arrays with x-kubernetes-list-type use the semantics of the list type:\n - 'set': `X + Y` performs a union where the array positions of all elements in `X` are preserved and\n non-intersecting elements in `Y` are appended, retaining their partial order.\n - 'map': `X + Y` performs a merge where the array positions of all keys in `X` are preserved but the values\n are overwritten by values in `Y` when the key sets of `X` and `Y` intersect. Elements in `Y` with\n non-intersecting keys are appended, retaining their partial order.",
Description: "Rule represents the expression which will be evaluated by CEL. ref: https://github.com/google/cel-spec The Rule is scoped to the location of the x-kubernetes-validations extension in the schema. The `self` variable in the CEL expression is bound to the scoped value. Example: - Rule scoped to the root of a resource with a status subresource: {\"rule\": \"self.status.actual <= self.spec.maxDesired\"}\n\nIf the Rule is scoped to an object with properties, the accessible properties of the object are field selectable via `self.field` and field presence can be checked via `has(self.field)`. Null valued fields are treated as absent fields in CEL expressions. If the Rule is scoped to an object with additionalProperties (i.e. a map) the value of the map are accessible via `self[mapKey]`, map containment can be checked via `mapKey in self` and all entries of the map are accessible via CEL macros and functions such as `self.all(...)`. If the Rule is scoped to an array, the elements of the array are accessible via `self[i]` and also by macros and functions. If the Rule is scoped to a scalar, `self` is bound to the scalar value. Examples: - Rule scoped to a map of objects: {\"rule\": \"self.components['Widget'].priority < 10\"} - Rule scoped to a list of integers: {\"rule\": \"self.values.all(value, value >= 0 && value < 100)\"} - Rule scoped to a string value: {\"rule\": \"self.startsWith('kube')\"}\n\nThe `apiVersion`, `kind`, `metadata.name` and `metadata.generateName` are always accessible from the root of the object and from any x-kubernetes-embedded-resource annotated objects. No other metadata properties are accessible.\n\nUnknown data preserved in custom resources via x-kubernetes-preserve-unknown-fields is not accessible in CEL expressions. This includes: - Unknown field values that are preserved by object schemas with x-kubernetes-preserve-unknown-fields. - Object properties where the property schema is of an \"unknown type\". An \"unknown type\" is recursively defined as:\n - A schema with no type and x-kubernetes-preserve-unknown-fields set to true\n - An array where the items schema is of an \"unknown type\"\n - An object where the additionalProperties schema is of an \"unknown type\"\n\nOnly property names of the form `[a-zA-Z_.-/][a-zA-Z0-9_.-/]*` are accessible. Accessible property names are escaped according to the following rules when accessed in the expression: - '__' escapes to '__underscores__' - '.' escapes to '__dot__' - '-' escapes to '__dash__' - '/' escapes to '__slash__' - Property names that exactly match a CEL RESERVED keyword escape to '__{keyword}__'. The keywords are:\n\t \"true\", \"false\", \"null\", \"in\", \"as\", \"break\", \"const\", \"continue\", \"else\", \"for\", \"function\", \"if\",\n\t \"import\", \"let\", \"loop\", \"package\", \"namespace\", \"return\".\nExamples:\n - Rule accessing a property named \"namespace\": {\"rule\": \"self.__namespace__ > 0\"}\n - Rule accessing a property named \"x-prop\": {\"rule\": \"self.x__dash__prop > 0\"}\n - Rule accessing a property named \"redact__d\": {\"rule\": \"self.redact__underscores__d > 0\"}\n\nEquality on arrays with x-kubernetes-list-type of 'set' or 'map' ignores element order, i.e. [1, 2] == [2, 1]. Concatenation on arrays with x-kubernetes-list-type use the semantics of the list type:\n - 'set': `X + Y` performs a union where the array positions of all elements in `X` are preserved and\n non-intersecting elements in `Y` are appended, retaining their partial order.\n - 'map': `X + Y` performs a merge where the array positions of all keys in `X` are preserved but the values\n are overwritten by values in `Y` when the key sets of `X` and `Y` intersect. Elements in `Y` with\n non-intersecting keys are appended, retaining their partial order.\n\nIf `rule` makes use of the `oldSelf` variable it is implicitly a `transition rule`.\n\nBy default, the `oldSelf` variable is the same type as `self`. When `optionalOldSelf` is true, the `oldSelf` variable is a CEL optional\n variable whose value() is the same type as `self`.\nSee the documentation for the `optionalOldSelf` field for details.\n\nTransition rules by default are applied only on UPDATE requests and are skipped if an old value could not be found. You can opt a transition rule into unconditional evaluation by setting `optionalOldSelf` to true.",
Default: "",
Type: []string{"string"},
Format: "",
@@ -47180,6 +47180,13 @@ func schema_pkg_apis_apiextensions_v1_ValidationRule(ref common.ReferenceCallbac
Format: "",
},
},
"optionalOldSelf": {
SchemaProps: spec.SchemaProps{
Description: "optionalOldSelf is used to opt a transition rule into evaluation even when the object is first created, or if the old object is missing the value.\n\nWhen enabled `oldSelf` will be a CEL optional whose value will be `None` if there is no old value, or when the object is initially created.\n\nYou may check for presence of oldSelf using `oldSelf.hasValue()` and unwrap it after checking using `oldSelf.value()`. Check the CEL documentation for Optional types for more information: https://pkg.go.dev/github.com/google/cel-go/cel#OptionalTypes\n\nMay not be set unless `oldSelf` is used in `rule`.",
Type: []string{"boolean"},
Format: "",
},
},
},
Required: []string{"rule"},
},
@@ -48553,7 +48560,7 @@ func schema_pkg_apis_apiextensions_v1beta1_ValidationRule(ref common.ReferenceCa
Properties: map[string]spec.Schema{
"rule": {
SchemaProps: spec.SchemaProps{
Description: "Rule represents the expression which will be evaluated by CEL. ref: https://github.com/google/cel-spec The Rule is scoped to the location of the x-kubernetes-validations extension in the schema. The `self` variable in the CEL expression is bound to the scoped value. Example: - Rule scoped to the root of a resource with a status subresource: {\"rule\": \"self.status.actual <= self.spec.maxDesired\"}\n\nIf the Rule is scoped to an object with properties, the accessible properties of the object are field selectable via `self.field` and field presence can be checked via `has(self.field)`. Null valued fields are treated as absent fields in CEL expressions. If the Rule is scoped to an object with additionalProperties (i.e. a map) the value of the map are accessible via `self[mapKey]`, map containment can be checked via `mapKey in self` and all entries of the map are accessible via CEL macros and functions such as `self.all(...)`. If the Rule is scoped to an array, the elements of the array are accessible via `self[i]` and also by macros and functions. If the Rule is scoped to a scalar, `self` is bound to the scalar value. Examples: - Rule scoped to a map of objects: {\"rule\": \"self.components['Widget'].priority < 10\"} - Rule scoped to a list of integers: {\"rule\": \"self.values.all(value, value >= 0 && value < 100)\"} - Rule scoped to a string value: {\"rule\": \"self.startsWith('kube')\"}\n\nThe `apiVersion`, `kind`, `metadata.name` and `metadata.generateName` are always accessible from the root of the object and from any x-kubernetes-embedded-resource annotated objects. No other metadata properties are accessible.\n\nUnknown data preserved in custom resources via x-kubernetes-preserve-unknown-fields is not accessible in CEL expressions. This includes: - Unknown field values that are preserved by object schemas with x-kubernetes-preserve-unknown-fields. - Object properties where the property schema is of an \"unknown type\". An \"unknown type\" is recursively defined as:\n - A schema with no type and x-kubernetes-preserve-unknown-fields set to true\n - An array where the items schema is of an \"unknown type\"\n - An object where the additionalProperties schema is of an \"unknown type\"\n\nOnly property names of the form `[a-zA-Z_.-/][a-zA-Z0-9_.-/]*` are accessible. Accessible property names are escaped according to the following rules when accessed in the expression: - '__' escapes to '__underscores__' - '.' escapes to '__dot__' - '-' escapes to '__dash__' - '/' escapes to '__slash__' - Property names that exactly match a CEL RESERVED keyword escape to '__{keyword}__'. The keywords are:\n\t \"true\", \"false\", \"null\", \"in\", \"as\", \"break\", \"const\", \"continue\", \"else\", \"for\", \"function\", \"if\",\n\t \"import\", \"let\", \"loop\", \"package\", \"namespace\", \"return\".\nExamples:\n - Rule accessing a property named \"namespace\": {\"rule\": \"self.__namespace__ > 0\"}\n - Rule accessing a property named \"x-prop\": {\"rule\": \"self.x__dash__prop > 0\"}\n - Rule accessing a property named \"redact__d\": {\"rule\": \"self.redact__underscores__d > 0\"}\n\nEquality on arrays with x-kubernetes-list-type of 'set' or 'map' ignores element order, i.e. [1, 2] == [2, 1]. Concatenation on arrays with x-kubernetes-list-type use the semantics of the list type:\n - 'set': `X + Y` performs a union where the array positions of all elements in `X` are preserved and\n non-intersecting elements in `Y` are appended, retaining their partial order.\n - 'map': `X + Y` performs a merge where the array positions of all keys in `X` are preserved but the values\n are overwritten by values in `Y` when the key sets of `X` and `Y` intersect. Elements in `Y` with\n non-intersecting keys are appended, retaining their partial order.",
Description: "Rule represents the expression which will be evaluated by CEL. ref: https://github.com/google/cel-spec The Rule is scoped to the location of the x-kubernetes-validations extension in the schema. The `self` variable in the CEL expression is bound to the scoped value. Example: - Rule scoped to the root of a resource with a status subresource: {\"rule\": \"self.status.actual <= self.spec.maxDesired\"}\n\nIf the Rule is scoped to an object with properties, the accessible properties of the object are field selectable via `self.field` and field presence can be checked via `has(self.field)`. Null valued fields are treated as absent fields in CEL expressions. If the Rule is scoped to an object with additionalProperties (i.e. a map) the value of the map are accessible via `self[mapKey]`, map containment can be checked via `mapKey in self` and all entries of the map are accessible via CEL macros and functions such as `self.all(...)`. If the Rule is scoped to an array, the elements of the array are accessible via `self[i]` and also by macros and functions. If the Rule is scoped to a scalar, `self` is bound to the scalar value. Examples: - Rule scoped to a map of objects: {\"rule\": \"self.components['Widget'].priority < 10\"} - Rule scoped to a list of integers: {\"rule\": \"self.values.all(value, value >= 0 && value < 100)\"} - Rule scoped to a string value: {\"rule\": \"self.startsWith('kube')\"}\n\nThe `apiVersion`, `kind`, `metadata.name` and `metadata.generateName` are always accessible from the root of the object and from any x-kubernetes-embedded-resource annotated objects. No other metadata properties are accessible.\n\nUnknown data preserved in custom resources via x-kubernetes-preserve-unknown-fields is not accessible in CEL expressions. This includes: - Unknown field values that are preserved by object schemas with x-kubernetes-preserve-unknown-fields. - Object properties where the property schema is of an \"unknown type\". An \"unknown type\" is recursively defined as:\n - A schema with no type and x-kubernetes-preserve-unknown-fields set to true\n - An array where the items schema is of an \"unknown type\"\n - An object where the additionalProperties schema is of an \"unknown type\"\n\nOnly property names of the form `[a-zA-Z_.-/][a-zA-Z0-9_.-/]*` are accessible. Accessible property names are escaped according to the following rules when accessed in the expression: - '__' escapes to '__underscores__' - '.' escapes to '__dot__' - '-' escapes to '__dash__' - '/' escapes to '__slash__' - Property names that exactly match a CEL RESERVED keyword escape to '__{keyword}__'. The keywords are:\n\t \"true\", \"false\", \"null\", \"in\", \"as\", \"break\", \"const\", \"continue\", \"else\", \"for\", \"function\", \"if\",\n\t \"import\", \"let\", \"loop\", \"package\", \"namespace\", \"return\".\nExamples:\n - Rule accessing a property named \"namespace\": {\"rule\": \"self.__namespace__ > 0\"}\n - Rule accessing a property named \"x-prop\": {\"rule\": \"self.x__dash__prop > 0\"}\n - Rule accessing a property named \"redact__d\": {\"rule\": \"self.redact__underscores__d > 0\"}\n\nEquality on arrays with x-kubernetes-list-type of 'set' or 'map' ignores element order, i.e. [1, 2] == [2, 1]. Concatenation on arrays with x-kubernetes-list-type use the semantics of the list type:\n - 'set': `X + Y` performs a union where the array positions of all elements in `X` are preserved and\n non-intersecting elements in `Y` are appended, retaining their partial order.\n - 'map': `X + Y` performs a merge where the array positions of all keys in `X` are preserved but the values\n are overwritten by values in `Y` when the key sets of `X` and `Y` intersect. Elements in `Y` with\n non-intersecting keys are appended, retaining their partial order.\n\nIf `rule` makes use of the `oldSelf` variable it is implicitly a `transition rule`.\n\nBy default, the `oldSelf` variable is the same type as `self`. When `optionalOldSelf` is true, the `oldSelf` variable is a CEL optional\n variable whose value() is the same type as `self`.\nSee the documentation for the `optionalOldSelf` field for details.\n\nTransition rules by default are applied only on UPDATE requests and are skipped if an old value could not be found. You can opt a transition rule into unconditional evaluation by setting `optionalOldSelf` to true.",
Default: "",
Type: []string{"string"},
Format: "",
@@ -48588,6 +48595,13 @@ func schema_pkg_apis_apiextensions_v1beta1_ValidationRule(ref common.ReferenceCa
Format: "",
},
},
"optionalOldSelf": {
SchemaProps: spec.SchemaProps{
Description: "optionalOldSelf is used to opt a transition rule into evaluation even when the object is first created, or if the old object is missing the value.\n\nWhen enabled `oldSelf` will be a CEL optional whose value will be `None` if there is no old value, or when the object is initially created.\n\nYou may check for presence of oldSelf using `oldSelf.hasValue()` and unwrap it after checking using `oldSelf.value()`. Check the CEL documentation for Optional types for more information: https://pkg.go.dev/github.com/google/cel-go/cel#OptionalTypes\n\nMay not be set unless `oldSelf` is used in `rule`.",
Type: []string{"boolean"},
Format: "",
},
},
},
Required: []string{"rule"},
},

View File

@@ -210,6 +210,19 @@ type ValidationRule struct {
// - 'map': `X + Y` performs a merge where the array positions of all keys in `X` are preserved but the values
// are overwritten by values in `Y` when the key sets of `X` and `Y` intersect. Elements in `Y` with
// non-intersecting keys are appended, retaining their partial order.
//
// If `rule` makes use of the `oldSelf` variable it is implicitly a
// `transition rule`.
//
// By default, the `oldSelf` variable is the same type as `self`.
// When `optionalOldSelf` is true, the `oldSelf` variable is a CEL optional
// variable whose value() is the same type as `self`.
// See the documentation for the `optionalOldSelf` field for details.
//
// Transition rules by default are applied only on UPDATE requests and are
// skipped if an old value could not be found. You can opt a transition
// rule into unconditional evaluation by setting `optionalOldSelf` to true.
//
Rule string
// Message represents the message displayed when validation fails. The message is required if the Rule contains
// line breaks. The message must not contain line breaks.
@@ -246,6 +259,24 @@ type ValidationRule struct {
// e.g. for attribute `foo.34$` appears in a list `testList`, the fieldPath could be set to `.testList['foo.34$']`
// +optional
FieldPath string
// optionalOldSelf is used to opt a transition rule into evaluation
// even when the object is first created, or if the old object is
// missing the value.
//
// When enabled `oldSelf` will be a CEL optional whose value will be
// `None` if there is no old value, or when the object is initially created.
//
// You may check for presence of oldSelf using `oldSelf.hasValue()` and
// unwrap it after checking using `oldSelf.value()`. Check the CEL
// documentation for Optional types for more information:
// https://pkg.go.dev/github.com/google/cel-go/cel#OptionalTypes
//
// May not be set unless `oldSelf` is used in `rule`.
//
// +featureGate=CRDValidationRatcheting
// +optional
OptionalOldSelf *bool
}
// JSON represents any valid JSON value.

View File

@@ -814,202 +814,204 @@ func init() {
}
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0x00,
}
func (m *ConversionRequest) Marshal() (dAtA []byte, err error) {
@@ -2633,6 +2635,16 @@ func (m *ValidationRule) MarshalToSizedBuffer(dAtA []byte) (int, error) {
_ = i
var l int
_ = l
if m.OptionalOldSelf != nil {
i--
if *m.OptionalOldSelf {
dAtA[i] = 1
} else {
dAtA[i] = 0
}
i--
dAtA[i] = 0x30
}
i -= len(m.FieldPath)
copy(dAtA[i:], m.FieldPath)
i = encodeVarintGenerated(dAtA, i, uint64(len(m.FieldPath)))
@@ -3367,6 +3379,9 @@ func (m *ValidationRule) Size() (n int) {
}
l = len(m.FieldPath)
n += 1 + l + sovGenerated(uint64(l))
if m.OptionalOldSelf != nil {
n += 2
}
return n
}
@@ -3845,6 +3860,7 @@ func (this *ValidationRule) String() string {
`MessageExpression:` + fmt.Sprintf("%v", this.MessageExpression) + `,`,
`Reason:` + valueToStringGenerated(this.Reason) + `,`,
`FieldPath:` + fmt.Sprintf("%v", this.FieldPath) + `,`,
`OptionalOldSelf:` + valueToStringGenerated(this.OptionalOldSelf) + `,`,
`}`,
}, "")
return s
@@ -9008,6 +9024,27 @@ func (m *ValidationRule) Unmarshal(dAtA []byte) error {
}
m.FieldPath = string(dAtA[iNdEx:postIndex])
iNdEx = postIndex
case 6:
if wireType != 0 {
return fmt.Errorf("proto: wrong wireType = %d for field OptionalOldSelf", wireType)
}
var v int
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowGenerated
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
v |= int(b&0x7F) << shift
if b < 0x80 {
break
}
}
b := bool(v != 0)
m.OptionalOldSelf = &b
default:
iNdEx = preIndex
skippy, err := skipGenerated(dAtA[iNdEx:])

View File

@@ -658,6 +658,18 @@ message ValidationRule {
// - 'map': `X + Y` performs a merge where the array positions of all keys in `X` are preserved but the values
// are overwritten by values in `Y` when the key sets of `X` and `Y` intersect. Elements in `Y` with
// non-intersecting keys are appended, retaining their partial order.
//
// If `rule` makes use of the `oldSelf` variable it is implicitly a
// `transition rule`.
//
// By default, the `oldSelf` variable is the same type as `self`.
// When `optionalOldSelf` is true, the `oldSelf` variable is a CEL optional
// variable whose value() is the same type as `self`.
// See the documentation for the `optionalOldSelf` field for details.
//
// Transition rules by default are applied only on UPDATE requests and are
// skipped if an old value could not be found. You can opt a transition
// rule into unconditional evaluation by setting `optionalOldSelf` to true.
optional string rule = 1;
// Message represents the message displayed when validation fails. The message is required if the Rule contains
@@ -698,6 +710,24 @@ message ValidationRule {
// e.g. for attribute `foo.34$` appears in a list `testList`, the fieldPath could be set to `.testList['foo.34$']`
// +optional
optional string fieldPath = 5;
// optionalOldSelf is used to opt a transition rule into evaluation
// even when the object is first created, or if the old object is
// missing the value.
//
// When enabled `oldSelf` will be a CEL optional whose value will be
// `None` if there is no old value, or when the object is initially created.
//
// You may check for presence of oldSelf using `oldSelf.hasValue()` and
// unwrap it after checking using `oldSelf.value()`. Check the CEL
// documentation for Optional types for more information:
// https://pkg.go.dev/github.com/google/cel-go/cel#OptionalTypes
//
// May not be set unless `oldSelf` is used in `rule`.
//
// +featureGate=CRDValidationRatcheting
// +optional
optional bool optionalOldSelf = 6;
}
// WebhookClientConfig contains the information to make a TLS connection with the webhook.

View File

@@ -249,6 +249,19 @@ type ValidationRule struct {
// - 'map': `X + Y` performs a merge where the array positions of all keys in `X` are preserved but the values
// are overwritten by values in `Y` when the key sets of `X` and `Y` intersect. Elements in `Y` with
// non-intersecting keys are appended, retaining their partial order.
//
// If `rule` makes use of the `oldSelf` variable it is implicitly a
// `transition rule`.
//
// By default, the `oldSelf` variable is the same type as `self`.
// When `optionalOldSelf` is true, the `oldSelf` variable is a CEL optional
// variable whose value() is the same type as `self`.
// See the documentation for the `optionalOldSelf` field for details.
//
// Transition rules by default are applied only on UPDATE requests and are
// skipped if an old value could not be found. You can opt a transition
// rule into unconditional evaluation by setting `optionalOldSelf` to true.
//
Rule string `json:"rule" protobuf:"bytes,1,opt,name=rule"`
// Message represents the message displayed when validation fails. The message is required if the Rule contains
// line breaks. The message must not contain line breaks.
@@ -285,6 +298,24 @@ type ValidationRule struct {
// e.g. for attribute `foo.34$` appears in a list `testList`, the fieldPath could be set to `.testList['foo.34$']`
// +optional
FieldPath string `json:"fieldPath,omitempty" protobuf:"bytes,5,opt,name=fieldPath"`
// optionalOldSelf is used to opt a transition rule into evaluation
// even when the object is first created, or if the old object is
// missing the value.
//
// When enabled `oldSelf` will be a CEL optional whose value will be
// `None` if there is no old value, or when the object is initially created.
//
// You may check for presence of oldSelf using `oldSelf.hasValue()` and
// unwrap it after checking using `oldSelf.value()`. Check the CEL
// documentation for Optional types for more information:
// https://pkg.go.dev/github.com/google/cel-go/cel#OptionalTypes
//
// May not be set unless `oldSelf` is used in `rule`.
//
// +featureGate=CRDValidationRatcheting
// +optional
OptionalOldSelf *bool `json:"optionalOldSelf,omitempty" protobuf:"bytes,6,opt,name=optionalOldSelf"`
}
// JSON represents any valid JSON value.

View File

@@ -1261,6 +1261,7 @@ func autoConvert_v1_ValidationRule_To_apiextensions_ValidationRule(in *Validatio
out.MessageExpression = in.MessageExpression
out.Reason = (*apiextensions.FieldValueErrorReason)(unsafe.Pointer(in.Reason))
out.FieldPath = in.FieldPath
out.OptionalOldSelf = (*bool)(unsafe.Pointer(in.OptionalOldSelf))
return nil
}
@@ -1275,6 +1276,7 @@ func autoConvert_apiextensions_ValidationRule_To_v1_ValidationRule(in *apiextens
out.MessageExpression = in.MessageExpression
out.Reason = (*FieldValueErrorReason)(unsafe.Pointer(in.Reason))
out.FieldPath = in.FieldPath
out.OptionalOldSelf = (*bool)(unsafe.Pointer(in.OptionalOldSelf))
return nil
}

View File

@@ -619,6 +619,11 @@ func (in *ValidationRule) DeepCopyInto(out *ValidationRule) {
*out = new(FieldValueErrorReason)
**out = **in
}
if in.OptionalOldSelf != nil {
in, out := &in.OptionalOldSelf, &out.OptionalOldSelf
*out = new(bool)
**out = **in
}
return
}

View File

@@ -785,204 +785,206 @@ func init() {
}
var fileDescriptor_98a4cc6918394e53 = []byte{
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0x00, 0x00,
}
func (m *ConversionRequest) Marshal() (dAtA []byte, err error) {
@@ -2660,6 +2662,16 @@ func (m *ValidationRule) MarshalToSizedBuffer(dAtA []byte) (int, error) {
_ = i
var l int
_ = l
if m.OptionalOldSelf != nil {
i--
if *m.OptionalOldSelf {
dAtA[i] = 1
} else {
dAtA[i] = 0
}
i--
dAtA[i] = 0x30
}
i -= len(m.FieldPath)
copy(dAtA[i:], m.FieldPath)
i = encodeVarintGenerated(dAtA, i, uint64(len(m.FieldPath)))
@@ -3374,6 +3386,9 @@ func (m *ValidationRule) Size() (n int) {
}
l = len(m.FieldPath)
n += 1 + l + sovGenerated(uint64(l))
if m.OptionalOldSelf != nil {
n += 2
}
return n
}
@@ -3843,6 +3858,7 @@ func (this *ValidationRule) String() string {
`MessageExpression:` + fmt.Sprintf("%v", this.MessageExpression) + `,`,
`Reason:` + valueToStringGenerated(this.Reason) + `,`,
`FieldPath:` + fmt.Sprintf("%v", this.FieldPath) + `,`,
`OptionalOldSelf:` + valueToStringGenerated(this.OptionalOldSelf) + `,`,
`}`,
}, "")
return s
@@ -9166,6 +9182,27 @@ func (m *ValidationRule) Unmarshal(dAtA []byte) error {
}
m.FieldPath = string(dAtA[iNdEx:postIndex])
iNdEx = postIndex
case 6:
if wireType != 0 {
return fmt.Errorf("proto: wrong wireType = %d for field OptionalOldSelf", wireType)
}
var v int
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowGenerated
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
v |= int(b&0x7F) << shift
if b < 0x80 {
break
}
}
b := bool(v != 0)
m.OptionalOldSelf = &b
default:
iNdEx = preIndex
skippy, err := skipGenerated(dAtA[iNdEx:])

View File

@@ -710,6 +710,18 @@ message ValidationRule {
// - 'map': `X + Y` performs a merge where the array positions of all keys in `X` are preserved but the values
// are overwritten by values in `Y` when the key sets of `X` and `Y` intersect. Elements in `Y` with
// non-intersecting keys are appended, retaining their partial order.
//
// If `rule` makes use of the `oldSelf` variable it is implicitly a
// `transition rule`.
//
// By default, the `oldSelf` variable is the same type as `self`.
// When `optionalOldSelf` is true, the `oldSelf` variable is a CEL optional
// variable whose value() is the same type as `self`.
// See the documentation for the `optionalOldSelf` field for details.
//
// Transition rules by default are applied only on UPDATE requests and are
// skipped if an old value could not be found. You can opt a transition
// rule into unconditional evaluation by setting `optionalOldSelf` to true.
optional string rule = 1;
// Message represents the message displayed when validation fails. The message is required if the Rule contains
@@ -750,6 +762,24 @@ message ValidationRule {
// e.g. for attribute `foo.34$` appears in a list `testList`, the fieldPath could be set to `.testList['foo.34$']`
// +optional
optional string fieldPath = 5;
// optionalOldSelf is used to opt a transition rule into evaluation
// even when the object is first created, or if the old object is
// missing the value.
//
// When enabled `oldSelf` will be a CEL optional whose value will be
// `None` if there is no old value, or when the object is initially created.
//
// You may check for presence of oldSelf using `oldSelf.hasValue()` and
// unwrap it after checking using `oldSelf.value()`. Check the CEL
// documentation for Optional types for more information:
// https://pkg.go.dev/github.com/google/cel-go/cel#OptionalTypes
//
// May not be set unless `oldSelf` is used in `rule`.
//
// +featureGate=CRDValidationRatcheting
// +optional
optional bool optionalOldSelf = 6;
}
// WebhookClientConfig contains the information to make a TLS connection with the webhook.

View File

@@ -249,6 +249,19 @@ type ValidationRule struct {
// - 'map': `X + Y` performs a merge where the array positions of all keys in `X` are preserved but the values
// are overwritten by values in `Y` when the key sets of `X` and `Y` intersect. Elements in `Y` with
// non-intersecting keys are appended, retaining their partial order.
//
// If `rule` makes use of the `oldSelf` variable it is implicitly a
// `transition rule`.
//
// By default, the `oldSelf` variable is the same type as `self`.
// When `optionalOldSelf` is true, the `oldSelf` variable is a CEL optional
// variable whose value() is the same type as `self`.
// See the documentation for the `optionalOldSelf` field for details.
//
// Transition rules by default are applied only on UPDATE requests and are
// skipped if an old value could not be found. You can opt a transition
// rule into unconditional evaluation by setting `optionalOldSelf` to true.
//
Rule string `json:"rule" protobuf:"bytes,1,opt,name=rule"`
// Message represents the message displayed when validation fails. The message is required if the Rule contains
// line breaks. The message must not contain line breaks.
@@ -285,6 +298,24 @@ type ValidationRule struct {
// e.g. for attribute `foo.34$` appears in a list `testList`, the fieldPath could be set to `.testList['foo.34$']`
// +optional
FieldPath string `json:"fieldPath,omitempty" protobuf:"bytes,5,opt,name=fieldPath"`
// optionalOldSelf is used to opt a transition rule into evaluation
// even when the object is first created, or if the old object is
// missing the value.
//
// When enabled `oldSelf` will be a CEL optional whose value will be
// `None` if there is no old value, or when the object is initially created.
//
// You may check for presence of oldSelf using `oldSelf.hasValue()` and
// unwrap it after checking using `oldSelf.value()`. Check the CEL
// documentation for Optional types for more information:
// https://pkg.go.dev/github.com/google/cel-go/cel#OptionalTypes
//
// May not be set unless `oldSelf` is used in `rule`.
//
// +featureGate=CRDValidationRatcheting
// +optional
OptionalOldSelf *bool `json:"optionalOldSelf,omitempty" protobuf:"bytes,6,opt,name=optionalOldSelf"`
}
// JSON represents any valid JSON value.

View File

@@ -1309,6 +1309,7 @@ func autoConvert_v1beta1_ValidationRule_To_apiextensions_ValidationRule(in *Vali
out.MessageExpression = in.MessageExpression
out.Reason = (*apiextensions.FieldValueErrorReason)(unsafe.Pointer(in.Reason))
out.FieldPath = in.FieldPath
out.OptionalOldSelf = (*bool)(unsafe.Pointer(in.OptionalOldSelf))
return nil
}
@@ -1323,6 +1324,7 @@ func autoConvert_apiextensions_ValidationRule_To_v1beta1_ValidationRule(in *apie
out.MessageExpression = in.MessageExpression
out.Reason = (*FieldValueErrorReason)(unsafe.Pointer(in.Reason))
out.FieldPath = in.FieldPath
out.OptionalOldSelf = (*bool)(unsafe.Pointer(in.OptionalOldSelf))
return nil
}

View File

@@ -644,6 +644,11 @@ func (in *ValidationRule) DeepCopyInto(out *ValidationRule) {
*out = new(FieldValueErrorReason)
**out = **in
}
if in.OptionalOldSelf != nil {
in, out := &in.OptionalOldSelf, &out.OptionalOldSelf
*out = new(bool)
**out = **in
}
return
}

View File

@@ -1182,10 +1182,12 @@ func ValidateCustomResourceDefinitionOpenAPISchema(schema *apiextensions.JSONSch
}
}
}
if cr.TransitionRule {
if cr.UsesOldSelf {
if uncorrelatablePath := ssv.forbidOldSelfValidations(); uncorrelatablePath != nil {
allErrs.CELErrors = append(allErrs.CELErrors, field.Invalid(fldPath.Child("x-kubernetes-validations").Index(i).Child("rule"), schema.XValidations[i].Rule, fmt.Sprintf("oldSelf cannot be used on the uncorrelatable portion of the schema within %v", uncorrelatablePath)))
}
} else if schema.XValidations[i].OptionalOldSelf != nil {
allErrs.CELErrors = append(allErrs.CELErrors, field.Invalid(fldPath.Child("x-kubernetes-validations").Index(i).Child("optionalOldSelf"), *schema.XValidations[i].OptionalOldSelf, "may not be set if oldSelf is not used in rule"))
}
}
}

View File

@@ -41,6 +41,7 @@ import (
"k8s.io/apiserver/pkg/cel/environment"
"k8s.io/apiserver/pkg/cel/library"
"k8s.io/utils/pointer"
"k8s.io/utils/ptr"
)
type validationMatch struct {
@@ -9650,6 +9651,157 @@ func TestValidateCustomResourceDefinitionValidation(t *testing.T) {
required("spec.validation.openAPIV3Schema.properties[f].x-kubernetes-validations[0].messageExpression"),
},
},
{
name: "forbid transition rule on element of list of type atomic when optionalOldSelf is set",
opts: validationOptions{requireStructuralSchema: true},
input: apiextensions.CustomResourceValidation{
OpenAPIV3Schema: &apiextensions.JSONSchemaProps{
Type: "object",
Properties: map[string]apiextensions.JSONSchemaProps{
"value": {
Type: "array",
XListType: strPtr("atomic"),
Items: &apiextensions.JSONSchemaPropsOrArray{
Schema: &apiextensions.JSONSchemaProps{
Type: "string",
MaxLength: int64ptr(10),
XValidations: apiextensions.ValidationRules{
{Rule: `self == oldSelf.orValue("")`, OptionalOldSelf: ptr.To(true)},
},
},
},
},
},
},
},
expectedErrors: []validationMatch{
invalid("spec.validation.openAPIV3Schema.properties[value].items.x-kubernetes-validations[0].rule"),
},
},
{
name: "forbid transition rule on element of list defaulting to type atomic when optionalOldSelf is set",
opts: validationOptions{requireStructuralSchema: true},
input: apiextensions.CustomResourceValidation{
OpenAPIV3Schema: &apiextensions.JSONSchemaProps{
Type: "object",
Properties: map[string]apiextensions.JSONSchemaProps{
"value": {
Type: "array",
Items: &apiextensions.JSONSchemaPropsOrArray{
Schema: &apiextensions.JSONSchemaProps{
Type: "string",
MaxLength: int64ptr(10),
XValidations: apiextensions.ValidationRules{
{Rule: `self == oldSelf.orValue("")`, OptionalOldSelf: ptr.To(true)},
},
},
},
},
},
},
},
expectedErrors: []validationMatch{
invalid("spec.validation.openAPIV3Schema.properties[value].items.x-kubernetes-validations[0].rule"),
},
},
{
name: "forbid transition rule on element of list of type set when optionalOldSelf is set",
opts: validationOptions{requireStructuralSchema: true},
input: apiextensions.CustomResourceValidation{
OpenAPIV3Schema: &apiextensions.JSONSchemaProps{
Type: "object",
Properties: map[string]apiextensions.JSONSchemaProps{
"value": {
Type: "array",
MaxItems: int64ptr(10),
XListType: strPtr("set"),
Items: &apiextensions.JSONSchemaPropsOrArray{
Schema: &apiextensions.JSONSchemaProps{
Type: "string",
MaxLength: int64ptr(10),
XValidations: apiextensions.ValidationRules{
{Rule: `self == oldSelf.orValue("")`, OptionalOldSelf: ptr.To(true)},
},
},
},
},
},
},
},
expectedErrors: []validationMatch{
invalid("spec.validation.openAPIV3Schema.properties[value].items.x-kubernetes-validations[0].rule"),
},
},
{
name: "forbid transition rule on element of map of unrecognized type when optionalOldSelf is set",
opts: validationOptions{requireStructuralSchema: true},
input: apiextensions.CustomResourceValidation{
OpenAPIV3Schema: &apiextensions.JSONSchemaProps{
Type: "object",
Properties: map[string]apiextensions.JSONSchemaProps{
"value": {
Type: "object",
XMapType: strPtr("future"),
Properties: map[string]apiextensions.JSONSchemaProps{
"subfield": {
Type: "string",
MaxLength: int64ptr(10),
XValidations: apiextensions.ValidationRules{
{Rule: `self == oldSelf.orValue("")`, OptionalOldSelf: ptr.To(true)},
},
},
},
},
},
},
},
expectedErrors: []validationMatch{
invalid("spec.validation.openAPIV3Schema.properties[value].properties[subfield].x-kubernetes-validations[0].rule"),
unsupported("spec.validation.openAPIV3Schema.properties[value].x-kubernetes-map-type"),
},
},
{
name: "forbid setting optionalOldSelf to true if oldSelf is not used",
opts: validationOptions{requireStructuralSchema: true},
input: apiextensions.CustomResourceValidation{
OpenAPIV3Schema: &apiextensions.JSONSchemaProps{
Type: "object",
Properties: map[string]apiextensions.JSONSchemaProps{
"value": {
Type: "string",
MaxLength: int64ptr(10),
XValidations: apiextensions.ValidationRules{
{Rule: `self == "foo"`, OptionalOldSelf: ptr.To(true)},
},
},
},
},
},
expectedErrors: []validationMatch{
invalid("spec.validation.openAPIV3Schema.properties[value].x-kubernetes-validations[0].optionalOldSelf"),
},
},
{
name: "forbid setting optionalOldSelf to false if oldSelf is not used",
opts: validationOptions{requireStructuralSchema: true},
input: apiextensions.CustomResourceValidation{
OpenAPIV3Schema: &apiextensions.JSONSchemaProps{
Type: "object",
Properties: map[string]apiextensions.JSONSchemaProps{
"value": {
Type: "string",
MaxLength: int64ptr(10),
XValidations: apiextensions.ValidationRules{
{Rule: `self == "foo"`, OptionalOldSelf: ptr.To(false)},
},
},
},
},
},
expectedErrors: []validationMatch{
invalid("spec.validation.openAPIV3Schema.properties[value].x-kubernetes-validations[0].optionalOldSelf"),
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {

View File

@@ -536,6 +536,11 @@ func (in *ValidationRule) DeepCopyInto(out *ValidationRule) {
*out = new(FieldValueErrorReason)
**out = **in
}
if in.OptionalOldSelf != nil {
in, out := &in.OptionalOldSelf, &out.OptionalOldSelf
*out = new(bool)
**out = **in
}
return
}

View File

@@ -142,7 +142,8 @@
"message": "messageValue",
"messageExpression": "messageExpressionValue",
"reason": "reasonValue",
"fieldPath": "fieldPathValue"
"fieldPath": "fieldPathValue",
"optionalOldSelf": true
}
]
}

View File

@@ -131,6 +131,7 @@ spec:
- fieldPath: fieldPathValue
message: messageValue
messageExpression: messageExpressionValue
optionalOldSelf: true
reason: reasonValue
rule: ruleValue
served: true

View File

@@ -136,7 +136,8 @@
"message": "messageValue",
"messageExpression": "messageExpressionValue",
"reason": "reasonValue",
"fieldPath": "fieldPathValue"
"fieldPath": "fieldPathValue",
"optionalOldSelf": true
}
]
}
@@ -233,7 +234,8 @@
"message": "messageValue",
"messageExpression": "messageExpressionValue",
"reason": "reasonValue",
"fieldPath": "fieldPathValue"
"fieldPath": "fieldPathValue",
"optionalOldSelf": true
}
]
}

View File

@@ -132,6 +132,7 @@ spec:
- fieldPath: fieldPathValue
message: messageValue
messageExpression: messageExpressionValue
optionalOldSelf: true
reason: reasonValue
rule: ruleValue
version: versionValue
@@ -208,6 +209,7 @@ spec:
- fieldPath: fieldPathValue
message: messageValue
messageExpression: messageExpressionValue
optionalOldSelf: true
reason: reasonValue
rule: ruleValue
served: true

View File

@@ -23,6 +23,7 @@ import (
"github.com/google/cel-go/cel"
"github.com/google/cel-go/checker"
"github.com/google/cel-go/common/types"
apiextensions "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
"k8s.io/apiextensions-apiserver/pkg/apiserver/schema"
@@ -48,9 +49,8 @@ const (
type CompilationResult struct {
Program cel.Program
Error *apiservercel.Error
// If true, the compiled expression contains a reference to the identifier "oldSelf", and its corresponding rule
// is implicitly a transition rule.
TransitionRule bool
// If true, the compiled expression contains a reference to the identifier "oldSelf".
UsesOldSelf bool
// Represents the worst-case cost of the compiled expression in terms of CEL's cost units, as used by cel.EstimateCost.
MaxCost uint64
// MaxCardinality represents the worse case number of times this validation rule could be invoked if contained under an
@@ -127,7 +127,7 @@ func Compile(s *schema.Structural, declType *apiservercel.DeclType, perCallLimit
}
celRules := s.Extensions.XValidations
envSet, err := prepareEnvSet(baseEnvSet, declType)
oldSelfEnvSet, optionalOldSelfEnvSet, err := prepareEnvSet(baseEnvSet, declType)
if err != nil {
return nil, err
}
@@ -136,15 +136,20 @@ func Compile(s *schema.Structural, declType *apiservercel.DeclType, perCallLimit
compResults := make([]CompilationResult, len(celRules))
maxCardinality := maxCardinality(declType.MinSerializedSize)
for i, rule := range celRules {
compResults[i] = compileRule(s, rule, envSet, envLoader, estimator, maxCardinality, perCallLimit)
ruleEnvSet := oldSelfEnvSet
if rule.OptionalOldSelf != nil && *rule.OptionalOldSelf {
ruleEnvSet = optionalOldSelfEnvSet
}
compResults[i] = compileRule(s, rule, ruleEnvSet, envLoader, estimator, maxCardinality, perCallLimit)
}
return compResults, nil
}
func prepareEnvSet(baseEnvSet *environment.EnvSet, declType *apiservercel.DeclType) (*environment.EnvSet, error) {
func prepareEnvSet(baseEnvSet *environment.EnvSet, declType *apiservercel.DeclType) (oldSelfEnvSet *environment.EnvSet, optionalOldSelfEnvSet *environment.EnvSet, err error) {
scopedType := declType.MaybeAssignTypeName(generateUniqueSelfTypeName())
return baseEnvSet.Extend(
oldSelfEnvSet, err = baseEnvSet.Extend(
environment.VersionedOptions{
// Feature epoch was actually 1.23, but we artificially set it to 1.0 because these
// options should always be present.
@@ -163,6 +168,34 @@ func prepareEnvSet(baseEnvSet *environment.EnvSet, declType *apiservercel.DeclTy
},
},
)
if err != nil {
return nil, nil, err
}
optionalOldSelfEnvSet, err = baseEnvSet.Extend(
environment.VersionedOptions{
// Feature epoch was actually 1.23, but we artificially set it to 1.0 because these
// options should always be present.
IntroducedVersion: version.MajorMinor(1, 0),
EnvOptions: []cel.EnvOption{
cel.Variable(ScopedVarName, scopedType.CelType()),
},
DeclTypes: []*apiservercel.DeclType{
scopedType,
},
},
environment.VersionedOptions{
IntroducedVersion: version.MajorMinor(1, 24),
EnvOptions: []cel.EnvOption{
cel.Variable(OldScopedVarName, types.NewOptionalType(scopedType.CelType())),
},
},
)
if err != nil {
return nil, nil, err
}
return oldSelfEnvSet, optionalOldSelfEnvSet, nil
}
func compileRule(s *schema.Structural, rule apiextensions.ValidationRule, envSet *environment.EnvSet, envLoader EnvLoader, estimator *library.CostEstimator, maxCardinality uint64, perCallLimit uint64) (compilationResult CompilationResult) {
@@ -190,7 +223,7 @@ func compileRule(s *schema.Structural, rule apiextensions.ValidationRule, envSet
}
for _, ref := range checkedExpr.ReferenceMap {
if ref.Name == OldScopedVarName {
compilationResult.TransitionRule = true
compilationResult.UsesOldSelf = true
break
}
}

View File

@@ -29,10 +29,14 @@ import (
apiextensions "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
"k8s.io/apiextensions-apiserver/pkg/apiserver/schema"
"k8s.io/apiextensions-apiserver/pkg/apiserver/schema/cel/model"
apiextensionsfeatures "k8s.io/apiextensions-apiserver/pkg/features"
"k8s.io/apimachinery/pkg/util/version"
celconfig "k8s.io/apiserver/pkg/apis/cel"
"k8s.io/apiserver/pkg/cel"
"k8s.io/apiserver/pkg/cel/environment"
utilfeature "k8s.io/apiserver/pkg/util/feature"
featuregatetesting "k8s.io/component-base/featuregate/testing"
"k8s.io/utils/ptr"
)
const (
@@ -140,7 +144,7 @@ func transitionRule(t bool) validationMatcher {
}
func (v transitionRuleMatcher) matches(cr CompilationResult) bool {
return cr.TransitionRule == bool(v)
return cr.UsesOldSelf == bool(v)
}
func (v transitionRuleMatcher) String() string {
@@ -151,12 +155,99 @@ func (v transitionRuleMatcher) String() string {
}
func TestCelCompilation(t *testing.T) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, apiextensionsfeatures.CRDValidationRatcheting, true)()
cases := []struct {
name string
input schema.Structural
expectedResults []validationMatcher
unmodified bool
}{
{
name: "optional primitive transition rule type checking",
input: schema.Structural{
Generic: schema.Generic{
Type: "integer",
},
Extensions: schema.Extensions{
XValidations: apiextensions.ValidationRules{
{Rule: "self >= oldSelf.value()", OptionalOldSelf: ptr.To(true)},
{Rule: "self >= oldSelf.orValue(1)", OptionalOldSelf: ptr.To(true)},
{Rule: "oldSelf.hasValue() ? self >= oldSelf.value() : true", OptionalOldSelf: ptr.To(true)},
{Rule: "self >= oldSelf", OptionalOldSelf: ptr.To(true)},
{Rule: "self >= oldSelf.orValue('')", OptionalOldSelf: ptr.To(true)},
},
},
},
expectedResults: []validationMatcher{
matchesAll(noError(), transitionRule(true)),
matchesAll(noError(), transitionRule(true)),
matchesAll(noError(), transitionRule(true)),
matchesAll(invalidError("optional")),
matchesAll(invalidError("orValue")),
},
},
{
name: "optional complex transition rule type checking",
input: schema.Structural{
Generic: schema.Generic{
Type: "object",
},
Properties: map[string]schema.Structural{
"i": {Generic: schema.Generic{Type: "integer"}},
"b": {Generic: schema.Generic{Type: "boolean"}},
"s": {Generic: schema.Generic{Type: "string"}},
"a": {
Generic: schema.Generic{Type: "array"},
Items: &schema.Structural{Generic: schema.Generic{Type: "integer"}},
},
"o": {
Generic: schema.Generic{Type: "object"},
Properties: map[string]schema.Structural{
"i": {Generic: schema.Generic{Type: "integer"}},
"b": {Generic: schema.Generic{Type: "boolean"}},
"s": {Generic: schema.Generic{Type: "string"}},
"a": {
Generic: schema.Generic{Type: "array"},
Items: &schema.Structural{Generic: schema.Generic{Type: "integer"}},
},
"o": {
Generic: schema.Generic{Type: "object"},
},
},
},
},
Extensions: schema.Extensions{
XValidations: apiextensions.ValidationRules{
{Rule: "self.i >= oldSelf.i.value()", OptionalOldSelf: ptr.To(true)},
{Rule: "self.s == oldSelf.s.value()", OptionalOldSelf: ptr.To(true)},
{Rule: "self.b == oldSelf.b.value()", OptionalOldSelf: ptr.To(true)},
{Rule: "self.o == oldSelf.o.value()", OptionalOldSelf: ptr.To(true)},
{Rule: "self.o.i >= oldSelf.o.i.value()", OptionalOldSelf: ptr.To(true)},
{Rule: "self.o.s == oldSelf.o.s.value()", OptionalOldSelf: ptr.To(true)},
{Rule: "self.o.b == oldSelf.o.b.value()", OptionalOldSelf: ptr.To(true)},
{Rule: "self.o.o == oldSelf.o.o.value()", OptionalOldSelf: ptr.To(true)},
{Rule: "self.o.i >= oldSelf.o.i.orValue(1)", OptionalOldSelf: ptr.To(true)},
{Rule: "oldSelf.hasValue() ? self.o.i >= oldSelf.o.i.value() : true", OptionalOldSelf: ptr.To(true)},
{Rule: "self.o.i >= oldSelf.o.i", OptionalOldSelf: ptr.To(true)},
{Rule: "self.o.i >= oldSelf.o.s.orValue(0)", OptionalOldSelf: ptr.To(true)},
},
},
},
expectedResults: []validationMatcher{
matchesAll(noError(), transitionRule(true)),
matchesAll(noError(), transitionRule(true)),
matchesAll(noError(), transitionRule(true)),
matchesAll(noError(), transitionRule(true)),
matchesAll(noError(), transitionRule(true)),
matchesAll(noError(), transitionRule(true)),
matchesAll(noError(), transitionRule(true)),
matchesAll(noError(), transitionRule(true)),
matchesAll(noError(), transitionRule(true)),
matchesAll(noError(), transitionRule(true)),
matchesAll(invalidError("optional")),
matchesAll(invalidError("orValue")),
},
},
{
name: "valid object",
input: schema.Structural{

View File

@@ -32,15 +32,18 @@ import (
"github.com/google/cel-go/interpreter"
"k8s.io/klog/v2"
"k8s.io/utils/ptr"
apiextensions "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
"k8s.io/apiextensions-apiserver/pkg/apiserver/schema"
"k8s.io/apiextensions-apiserver/pkg/apiserver/schema/cel/model"
"k8s.io/apiextensions-apiserver/pkg/features"
"k8s.io/apimachinery/pkg/util/validation/field"
"k8s.io/apiserver/pkg/cel"
"k8s.io/apiserver/pkg/cel/common"
"k8s.io/apiserver/pkg/cel/environment"
"k8s.io/apiserver/pkg/cel/metrics"
utilfeature "k8s.io/apiserver/pkg/util/feature"
"k8s.io/apiserver/pkg/warning"
celconfig "k8s.io/apiserver/pkg/apis/cel"
@@ -65,9 +68,10 @@ type Validator struct {
// custom resource being validated, or the root of an XEmbeddedResource object.
isResourceRoot bool
// celActivationFactory produces an Activation, which resolves identifiers (e.g. self and
// oldSelf) to CEL values.
celActivationFactory func(sts *schema.Structural, obj, oldObj interface{}) interpreter.Activation
// celActivationFactory produces a Activations, which resolve identifiers
// (e.g. self and oldSelf) to CEL values. One activation must be produced
// for each of the cases when oldSelf is optional and non-optional.
celActivationFactory func(sts *schema.Structural, obj, oldObj interface{}) (activation interpreter.Activation, optionalOldSelfActivation interpreter.Activation)
}
// NewValidator returns compiles all the CEL programs defined in x-kubernetes-validations extensions
@@ -122,9 +126,9 @@ func validator(s *schema.Structural, isResourceRoot bool, declType *cel.DeclType
additionalPropertiesValidator = validator(s.AdditionalProperties.Structural, s.AdditionalProperties.Structural.XEmbeddedResource, declType.ElemType, perCallLimit)
}
if len(compiledRules) > 0 || err != nil || itemsValidator != nil || additionalPropertiesValidator != nil || len(propertiesValidators) > 0 {
var activationFactory func(*schema.Structural, interface{}, interface{}) interpreter.Activation = validationActivationWithoutOldSelf
activationFactory := validationActivationWithoutOldSelf
for _, rule := range compiledRules {
if rule.TransitionRule {
if rule.UsesOldSelf {
activationFactory = validationActivationWithOldSelf
break
}
@@ -289,7 +293,7 @@ func (s *Validator) validateExpressions(ctx context.Context, fldPath *field.Path
if s.isResourceRoot {
sts = model.WithTypeAndObjectMeta(sts)
}
activation := s.celActivationFactory(sts, obj, oldObj)
activation, optionalOldSelfActivation := s.celActivationFactory(sts, obj, oldObj)
for i, compiled := range s.compiledRules {
rule := sts.XValidations[i]
if compiled.Error != nil {
@@ -300,11 +304,29 @@ func (s *Validator) validateExpressions(ctx context.Context, fldPath *field.Path
// rule is empty
continue
}
if compiled.TransitionRule && oldObj == nil {
// If ratcheting is enabled, allow rule with oldSelf to evaluate
// when `optionalOldSelf` is set to true
optionalOldSelfRule := ptr.Deref(rule.OptionalOldSelf, false)
if compiled.UsesOldSelf && oldObj == nil {
// transition rules are evaluated only if there is a comparable existing value
continue
// But if the rule uses optional oldSelf and gate is enabled we allow
// the rule to be evaluated
if !utilfeature.DefaultFeatureGate.Enabled(features.CRDValidationRatcheting) {
continue
}
if !optionalOldSelfRule {
continue
}
}
evalResult, evalDetails, err := compiled.Program.ContextEval(ctx, activation)
ruleActivation := activation
if optionalOldSelfRule {
ruleActivation = optionalOldSelfActivation
}
evalResult, evalDetails, err := compiled.Program.ContextEval(ctx, ruleActivation)
if evalDetails == nil {
errs = append(errs, field.InternalError(fldPath, fmt.Errorf("runtime cost could not be calculated for validation rule: %v, no further validation rules will be run", ruleErrorString(rule))))
return errs, -1
@@ -344,7 +366,7 @@ func (s *Validator) validateExpressions(ctx context.Context, fldPath *field.Path
}
addErr := func(e *field.Error) {
if !compiled.TransitionRule && correlation.shouldRatchetError() {
if !compiled.UsesOldSelf && correlation.shouldRatchetError() {
warning.AddWarning(ctx, "", e.Error())
} else {
errs = append(errs, e)
@@ -622,21 +644,31 @@ type validationActivation struct {
hasOldSelf bool
}
func validationActivationWithOldSelf(sts *schema.Structural, obj, oldObj interface{}) interpreter.Activation {
func validationActivationWithOldSelf(sts *schema.Structural, obj, oldObj interface{}) (activation interpreter.Activation, optionalOldSelfActivation interpreter.Activation) {
va := &validationActivation{
self: UnstructuredToVal(obj, sts),
}
optionalVA := &validationActivation{
self: va.self,
hasOldSelf: true, // this means the oldSelf variable is defined for CEL to reference, not that it has a value
oldSelf: types.OptionalNone,
}
if oldObj != nil {
va.oldSelf = UnstructuredToVal(oldObj, sts) // +k8s:verify-mutation:reason=clone
va.hasOldSelf = true // +k8s:verify-mutation:reason=clone
va.hasOldSelf = true
optionalVA.oldSelf = types.OptionalOf(va.oldSelf) // +k8s:verify-mutation:reason=clone
}
return va
return va, optionalVA
}
func validationActivationWithoutOldSelf(sts *schema.Structural, obj, _ interface{}) interpreter.Activation {
return &validationActivation{
func validationActivationWithoutOldSelf(sts *schema.Structural, obj, _ interface{}) (interpreter.Activation, interpreter.Activation) {
res := &validationActivation{
self: UnstructuredToVal(obj, sts),
}
return res, res
}
func (a *validationActivation) ResolveName(name string) (interface{}, bool) {

View File

@@ -31,16 +31,20 @@ import (
"github.com/stretchr/testify/require"
"k8s.io/klog/v2"
"k8s.io/kube-openapi/pkg/validation/strfmt"
"k8s.io/utils/ptr"
apiextensionsinternal "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions"
apiextensions "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
"k8s.io/apiextensions-apiserver/pkg/apiserver/schema"
"k8s.io/apiextensions-apiserver/pkg/apiserver/schema/cel/model"
apiextensionsfeatures "k8s.io/apiextensions-apiserver/pkg/features"
"k8s.io/apimachinery/pkg/util/validation/field"
"k8s.io/apimachinery/pkg/util/yaml"
celconfig "k8s.io/apiserver/pkg/apis/cel"
"k8s.io/apiserver/pkg/cel/common"
utilfeature "k8s.io/apiserver/pkg/util/feature"
"k8s.io/apiserver/pkg/warning"
featuregatetesting "k8s.io/component-base/featuregate/testing"
)
// TestValidationExpressions tests CEL integration with custom resource values and OpenAPIv3.
@@ -3618,6 +3622,401 @@ func TestRatcheting(t *testing.T) {
}
}
// Runs transition rule cases with OptionalOldSelf set to true on the schema
func TestOptionalOldSelf(t *testing.T) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, apiextensionsfeatures.CRDValidationRatcheting, true)()
tests := []struct {
name string
schema *schema.Structural
obj interface{}
oldObj interface{}
errors []string // strings that error message must contain
}{
{
name: "allow new value if old value is null",
obj: map[string]interface{}{
"foo": "bar",
},
schema: withRulePtr(objectTypePtr(map[string]schema.Structural{
"foo": stringType,
}), "self.foo == 'not bar' || !oldSelf.hasValue()"),
},
{
name: "block new value if old value is not null",
obj: map[string]interface{}{
"foo": "invalid",
},
oldObj: map[string]interface{}{
"foo": "bar",
},
schema: withRulePtr(objectTypePtr(map[string]schema.Structural{
"foo": stringType,
}), "self.foo == 'valid' || !oldSelf.hasValue()"),
errors: []string{"failed rule"},
},
{
name: "allow invalid new value if old value is also invalid",
obj: map[string]interface{}{
"foo": "invalid again",
},
oldObj: map[string]interface{}{
"foo": "invalid",
},
schema: withRulePtr(objectTypePtr(map[string]schema.Structural{
"foo": stringType,
}), "self.foo == 'valid' || (oldSelf.hasValue() && oldSelf.value().foo != 'valid')"),
},
{
name: "allow invalid new value if old value is also invalid with chained optionals",
obj: map[string]interface{}{
"foo": "invalid again",
},
oldObj: map[string]interface{}{
"foo": "invalid",
},
schema: withRulePtr(objectTypePtr(map[string]schema.Structural{
"foo": stringType,
}), "self.foo == 'valid' || oldSelf.foo.orValue('') != 'valid'"),
},
{
name: "block invalid new value if old value is valid",
obj: map[string]interface{}{
"foo": "invalid",
},
oldObj: map[string]interface{}{
"foo": "valid",
},
schema: withRulePtr(objectTypePtr(map[string]schema.Structural{
"foo": stringType,
}), "self.foo == 'valid' || (oldSelf.hasValue() && oldSelf.value().foo != 'valid')"),
errors: []string{"failed rule"},
},
{
name: "create: new min or allow higher than oldValue",
obj: 10,
schema: cloneWithRule(&integerType, "self >= 10 || (oldSelf.hasValue() && oldSelf.value() <= self)"),
},
{
name: "block create: new min or allow higher than oldValue",
obj: 9,
// Can't use != null because type is integer and no overload
// workaround by comparing type, but kinda hacky
schema: cloneWithRule(&integerType, "self >= 10 || (oldSelf.hasValue() && oldSelf.value() <= self)"),
errors: []string{"failed rule"},
},
{
name: "update: new min or allow higher than oldValue",
obj: 10,
oldObj: 5,
schema: cloneWithRule(&integerType, "self >= 10 || (oldSelf.hasValue() && oldSelf.value() <= self)"),
},
{
name: "ratchet update: new min or allow higher than oldValue",
obj: 9,
oldObj: 5,
schema: cloneWithRule(&integerType, "self >= 10 || (oldSelf.hasValue() && oldSelf.value() <= self)"),
},
{
name: "ratchet noop update: new min or allow higher than oldValue",
obj: 5,
oldObj: 5,
schema: cloneWithRule(&integerType, "self >= 10 || (oldSelf.hasValue() && oldSelf.value() <= self)"),
},
{
name: "block update: new min or allow higher than oldValue",
obj: 4,
oldObj: 5,
schema: cloneWithRule(&integerType, "self >= 10 || (oldSelf.hasValue() && oldSelf.value() <= self)"),
errors: []string{"failed rule"},
},
}
for _, tt := range tests {
tt := tt
tp := true
for i := range tt.schema.XValidations {
tt.schema.XValidations[i].OptionalOldSelf = &tp
}
t.Run(tt.name, func(t *testing.T) {
// t.Parallel()
ctx := context.TODO()
celValidator := validator(tt.schema, true, model.SchemaDeclType(tt.schema, false), celconfig.PerCallLimit)
if celValidator == nil {
t.Fatal("expected non nil validator")
}
errs, _ := celValidator.Validate(ctx, field.NewPath("root"), tt.schema, tt.obj, tt.oldObj, math.MaxInt)
unmatched := map[string]struct{}{}
for _, e := range tt.errors {
unmatched[e] = struct{}{}
}
for _, err := range errs {
if err.Type != field.ErrorTypeInvalid {
t.Errorf("expected only ErrorTypeInvalid errors, but got: %v", err)
continue
}
matched := false
for expected := range unmatched {
if strings.Contains(err.Error(), expected) {
delete(unmatched, expected)
matched = true
break
}
}
if !matched {
t.Errorf("expected error to contain one of %v, but got: %v", unmatched, err)
}
}
if len(unmatched) > 0 {
t.Errorf("expected errors %v", unmatched)
}
})
}
}
// Shows that type(oldSelf) == null_type works for all supported OpenAPI types
// both when oldSelf is null and when it is not null
func TestOptionalOldSelfCheckForNull(t *testing.T) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, apiextensionsfeatures.CRDValidationRatcheting, true)()
tests := []struct {
name string
schema schema.Structural
obj interface{}
oldObj interface{}
}{
{
name: "object",
obj: map[string]interface{}{
"foo": "bar",
},
oldObj: map[string]interface{}{
"foo": "baz",
},
schema: withRule(objectType(map[string]schema.Structural{
"foo": stringType,
}), `!oldSelf.hasValue() || self.foo == "bar"`),
},
{
name: "object - conditional field",
obj: map[string]interface{}{
"foo": "bar",
},
oldObj: map[string]interface{}{
"foo": "baz",
},
schema: withRule(objectType(map[string]schema.Structural{
"foo": stringType,
}), `self.foo != "bar" || oldSelf.?foo.orValue("baz") == "baz"`),
},
{
name: "string",
obj: "bar",
oldObj: "baz",
schema: withRule(stringType, `
!oldSelf.hasValue() || self == "bar"
`),
},
{
name: "integer",
obj: 1,
oldObj: 2,
schema: withRule(integerType, `
!oldSelf.hasValue() || self == 1
`),
},
{
name: "number",
obj: 1.1,
oldObj: 2.2,
schema: withRule(numberType, `
!oldSelf.hasValue() || self == 1.1
`),
},
{
name: "boolean",
obj: true,
oldObj: false,
schema: withRule(booleanType, `
!oldSelf.hasValue() || self == true
`),
},
{
name: "array",
obj: []interface{}{"bar"},
oldObj: []interface{}{"baz"},
schema: withRule(arrayType("", nil, &stringSchema), `
!oldSelf.hasValue() || self[0] == "bar"
`),
},
{
name: "array - conditional index",
obj: []interface{}{},
oldObj: []interface{}{
"baz",
},
schema: withRule(arrayType("", nil, &stringSchema), `
self.size() > 0 || oldSelf[?0].orValue("baz") == "baz"
`),
},
{
name: "set-array",
obj: []interface{}{"bar"},
oldObj: []interface{}{"baz"},
schema: withRule(arrayType("set", nil, &stringSchema), `
!oldSelf.hasValue() || self[0] == "bar"
`),
},
{
name: "map-array",
obj: []interface{}{map[string]interface{}{
"key": "foo",
"value": "bar",
}},
oldObj: []interface{}{map[string]interface{}{
"key": "foo",
"value": "baz",
}},
schema: withRule(arrayType("map", []string{"key"}, objectTypePtr(map[string]schema.Structural{
"key": stringType,
"value": stringType,
})), `
!oldSelf.hasValue() || self[0].value == "bar"
`),
},
}
for _, tt := range tests {
tt := tt
tp := true
for i := range tt.schema.XValidations {
tt.schema.XValidations[i].OptionalOldSelf = &tp
}
t.Run(tt.name, func(t *testing.T) {
ctx := context.TODO()
celValidator := validator(&tt.schema, false, model.SchemaDeclType(&tt.schema, false), celconfig.PerCallLimit)
if celValidator == nil {
t.Fatal("expected non nil validator")
}
t.Run("null old", func(t *testing.T) {
errs, _ := celValidator.Validate(ctx, field.NewPath("root"), &tt.schema, tt.obj, nil, math.MaxInt)
if len(errs) != 0 {
t.Errorf("expected no errors, but got: %v", errs)
}
})
t.Run("non-null old", func(t *testing.T) {
errs, _ := celValidator.Validate(ctx, field.NewPath("root"), &tt.schema, tt.obj, tt.oldObj, math.MaxInt)
if len(errs) != 0 {
t.Errorf("expected no errors, but got: %v", errs)
}
})
})
}
}
// Show that we cant just use oldSelf as if it was unwrapped
func TestOptionalOldSelfIsOptionalType(t *testing.T) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, apiextensionsfeatures.CRDValidationRatcheting, true)()
cases := []struct {
name string
schema schema.Structural
obj interface{}
errors []string
}{
{
name: "forbid direct usage of optional integer",
schema: withRule(integerType, `
oldSelf + self > 5
`),
obj: 5,
errors: []string{"no matching overload for '_+_' applied to '(optional(int), int)"},
},
{
name: "forbid direct usage of optional string",
schema: withRule(stringType, `
oldSelf == "foo"
`),
obj: "bar",
errors: []string{"no matching overload for '_==_' applied to '(optional(string), string)"},
},
{
name: "forbid direct usage of optional array",
schema: withRule(arrayType("", nil, &stringSchema), `
oldSelf.all(x, x == x)
`),
obj: []interface{}{"bar"},
errors: []string{"expression of type 'optional(list(string))' cannot be range of a comprehension"},
},
{
name: "forbid direct usage of optional array element",
schema: withRule(arrayType("", nil, &stringSchema), `
oldSelf[0] == "foo"
`),
obj: []interface{}{"bar"},
errors: []string{"found no matching overload for '_==_' applied to '(optional(string), string)"},
},
{
name: "forbid direct usage of optional struct",
schema: withRule(arrayType("map", []string{"key"}, objectTypePtr(map[string]schema.Structural{
"key": stringType,
"value": stringType,
})), `oldSelf.key == "foo"`),
obj: []interface{}{map[string]interface{}{
"key": "bar",
"value": "baz",
}},
errors: []string{"does not support field selection"},
},
}
for _, tt := range cases {
t.Run(tt.name, func(t *testing.T) {
ctx := context.TODO()
for i := range tt.schema.XValidations {
tt.schema.XValidations[i].OptionalOldSelf = ptr.To(true)
}
celValidator := validator(&tt.schema, false, model.SchemaDeclType(&tt.schema, false), celconfig.PerCallLimit)
if celValidator == nil {
t.Fatal("expected non nil validator")
}
errs, _ := celValidator.Validate(ctx, field.NewPath("root"), &tt.schema, tt.obj, tt.obj, math.MaxInt)
unmatched := map[string]struct{}{}
for _, e := range tt.errors {
unmatched[e] = struct{}{}
}
for _, err := range errs {
if err.Type != field.ErrorTypeInvalid {
t.Errorf("expected only ErrorTypeInvalid errors, but got: %v", err)
continue
}
matched := false
for expected := range unmatched {
if strings.Contains(err.Error(), expected) {
delete(unmatched, expected)
matched = true
break
}
}
if !matched {
t.Errorf("expected error to contain one of %v, but got: %v", unmatched, err)
}
}
if len(unmatched) > 0 {
t.Errorf("expected errors %v", unmatched)
}
})
}
}
func genString(n int, c rune) string {
b := strings.Builder{}
for i := 0; i < n; i++ {

View File

@@ -26,10 +26,12 @@ import (
schemaobjectmeta "k8s.io/apiextensions-apiserver/pkg/apiserver/schema/objectmeta"
"k8s.io/apiextensions-apiserver/pkg/apiserver/schema/pruning"
apiservervalidation "k8s.io/apiextensions-apiserver/pkg/apiserver/validation"
apiextensionsfeatures "k8s.io/apiextensions-apiserver/pkg/features"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/util/validation/field"
celconfig "k8s.io/apiserver/pkg/apis/cel"
utilfeature "k8s.io/apiserver/pkg/util/feature"
)
// ValidateDefaults checks that default values validate and are properly pruned.
@@ -91,8 +93,27 @@ func validate(ctx context.Context, pth *field.Path, s *structuralschema.Structur
allErrs = append(allErrs, errs...)
} else if celValidator := cel.NewValidator(s, isResourceRoot, celconfig.PerCallLimit); celValidator != nil {
celErrs, rmCost := celValidator.Validate(ctx, pth.Child("default"), s, s.Default.Object, s.Default.Object, remainingCost)
remainingCost = rmCost
allErrs = append(allErrs, celErrs...)
if len(celErrs) == 0 && utilfeature.DefaultFeatureGate.Enabled(apiextensionsfeatures.CRDValidationRatcheting) {
// If ratcheting is enabled some CEL rules may use optionalOldSelf
// For such rules the above validation is not sufficient for
// determining if the default value is a valid value to introduce
// via create or uncorrelated update.
//
// Validate an update from nil to the default value to ensure
// that the default value pass
celErrs, rmCostWithoutOldObject := celValidator.Validate(ctx, pth.Child("default"), s, s.Default.Object, nil, remainingCost)
allErrs = append(allErrs, celErrs...)
// capture the cost of both types of runs and take whichever
// leaves less remaining cost
if rmCostWithoutOldObject < rmCost {
rmCost = rmCostWithoutOldObject
}
}
remainingCost = rmCost
if remainingCost < 0 {
return allErrs, nil, remainingCost
}
@@ -116,8 +137,27 @@ func validate(ctx context.Context, pth *field.Path, s *structuralschema.Structur
allErrs = append(allErrs, errs...)
} else if celValidator := cel.NewValidator(s, isResourceRoot, celconfig.PerCallLimit); celValidator != nil {
celErrs, rmCost := celValidator.Validate(ctx, pth.Child("default"), s, s.Default.Object, s.Default.Object, remainingCost)
remainingCost = rmCost
allErrs = append(allErrs, celErrs...)
if len(celErrs) == 0 && utilfeature.DefaultFeatureGate.Enabled(apiextensionsfeatures.CRDValidationRatcheting) {
// If ratcheting is enabled some CEL rules may use optionalOldSelf
// For such rules the above validation is not sufficient for
// determining if the default value is a valid value to introduce
// via create or uncorrelated update.
//
// Validate an update from nil to the default value to ensure
// that the default value pass
celErrs, rmCostWithoutOldObject := celValidator.Validate(ctx, pth.Child("default"), s, s.Default.Object, nil, remainingCost)
allErrs = append(allErrs, celErrs...)
// capture the cost of both types of runs and take whichever
// leaves less remaining cost
if rmCostWithoutOldObject < rmCost {
rmCost = rmCostWithoutOldObject
}
}
remainingCost = rmCost
if remainingCost < 0 {
return allErrs, nil, remainingCost
}

View File

@@ -23,8 +23,13 @@ import (
"k8s.io/apiextensions-apiserver/pkg/apis/apiextensions"
structuralschema "k8s.io/apiextensions-apiserver/pkg/apiserver/schema"
apiextensionsfeatures "k8s.io/apiextensions-apiserver/pkg/features"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/validation/field"
utilfeature "k8s.io/apiserver/pkg/util/feature"
"k8s.io/component-base/featuregate"
featuregatetesting "k8s.io/component-base/featuregate/testing"
"k8s.io/utils/ptr"
)
func jsonPtr(x interface{}) *apiextensions.JSON {
@@ -34,8 +39,9 @@ func jsonPtr(x interface{}) *apiextensions.JSON {
func TestDefaultValidationWithCostBudget(t *testing.T) {
tests := []struct {
name string
input apiextensions.CustomResourceValidation
name string
input apiextensions.CustomResourceValidation
features []featuregate.Feature
}{
{
name: "default cel validation",
@@ -98,6 +104,10 @@ func TestDefaultValidationWithCostBudget(t *testing.T) {
for _, tt := range tests {
ctx := context.TODO()
t.Run(tt.name, func(t *testing.T) {
for _, f := range tt.features {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, f, true)()
}
schema := tt.input.OpenAPIV3Schema
ss, err := structuralschema.NewStructural(schema)
if err != nil {
@@ -148,3 +158,103 @@ func TestDefaultValidationWithCostBudget(t *testing.T) {
})
}
}
func TestDefaultValidationWithOptionalOldSelf(t *testing.T) {
tests := []struct {
name string
input apiextensions.CustomResourceValidation
errors []string
}{
{
name: "invalid default",
input: apiextensions.CustomResourceValidation{
OpenAPIV3Schema: &apiextensions.JSONSchemaProps{
Type: "object",
Properties: map[string]apiextensions.JSONSchemaProps{
"defaultFailsRatcheting": {
Type: "string",
Default: jsonPtr("default"),
XValidations: apiextensions.ValidationRules{
{
Rule: "oldSelf.hasValue()",
OptionalOldSelf: ptr.To(true),
Message: "foobarErrorMessage",
},
},
},
},
},
},
errors: []string{"foobarErrorMessage"},
},
{
name: "valid default",
input: apiextensions.CustomResourceValidation{
OpenAPIV3Schema: &apiextensions.JSONSchemaProps{
Type: "object",
Properties: map[string]apiextensions.JSONSchemaProps{
"defaultFailsRatcheting": {
Type: "string",
Default: jsonPtr("default"),
XValidations: apiextensions.ValidationRules{
{
Rule: "oldSelf.orValue(self) == self",
OptionalOldSelf: ptr.To(true),
Message: "foobarErrorMessage",
},
},
},
},
},
},
errors: []string{},
},
}
for _, tt := range tests {
ctx := context.TODO()
t.Run(tt.name, func(t *testing.T) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, apiextensionsfeatures.CRDValidationRatcheting, true)()
schema := tt.input.OpenAPIV3Schema
ss, err := structuralschema.NewStructural(schema)
if err != nil {
t.Errorf("unexpected error: %v", err)
}
f := NewRootObjectFunc().WithTypeMeta(metav1.TypeMeta{APIVersion: "validation/v1", Kind: "Validation"})
// cost budget is large enough to pass all validation rules
allErrs, err, _ := validate(ctx, field.NewPath("test"), ss, ss, f, false, false, 10)
if err != nil {
t.Errorf("unexpected error: %v", err)
}
for _, err := range allErrs {
found := false
for _, expected := range tt.errors {
if strings.Contains(err.Error(), expected) {
found = true
break
}
}
if !found {
t.Errorf("unexpected error: %v", err)
}
}
for _, expected := range tt.errors {
found := false
for _, err := range allErrs {
if strings.Contains(err.Error(), expected) {
found = true
break
}
}
if !found {
t.Errorf("expected error: %v", expected)
}
}
})
}
}

View File

@@ -30,6 +30,7 @@ type ValidationRuleApplyConfiguration struct {
MessageExpression *string `json:"messageExpression,omitempty"`
Reason *v1.FieldValueErrorReason `json:"reason,omitempty"`
FieldPath *string `json:"fieldPath,omitempty"`
OptionalOldSelf *bool `json:"optionalOldSelf,omitempty"`
}
// ValidationRuleApplyConfiguration constructs an declarative configuration of the ValidationRule type for use with
@@ -77,3 +78,11 @@ func (b *ValidationRuleApplyConfiguration) WithFieldPath(value string) *Validati
b.FieldPath = &value
return b
}
// WithOptionalOldSelf sets the OptionalOldSelf field in the declarative configuration to the given value
// and returns the receiver, so that objects can be built by chaining "With" function invocations.
// If called multiple times, the OptionalOldSelf field is set to the value of the last call.
func (b *ValidationRuleApplyConfiguration) WithOptionalOldSelf(value bool) *ValidationRuleApplyConfiguration {
b.OptionalOldSelf = &value
return b
}

View File

@@ -30,6 +30,7 @@ type ValidationRuleApplyConfiguration struct {
MessageExpression *string `json:"messageExpression,omitempty"`
Reason *v1beta1.FieldValueErrorReason `json:"reason,omitempty"`
FieldPath *string `json:"fieldPath,omitempty"`
OptionalOldSelf *bool `json:"optionalOldSelf,omitempty"`
}
// ValidationRuleApplyConfiguration constructs an declarative configuration of the ValidationRule type for use with
@@ -77,3 +78,11 @@ func (b *ValidationRuleApplyConfiguration) WithFieldPath(value string) *Validati
b.FieldPath = &value
return b
}
// WithOptionalOldSelf sets the OptionalOldSelf field in the declarative configuration to the given value
// and returns the receiver, so that objects can be built by chaining "With" function invocations.
// If called multiple times, the OptionalOldSelf field is set to the value of the last call.
func (b *ValidationRuleApplyConfiguration) WithOptionalOldSelf(value bool) *ValidationRuleApplyConfiguration {
b.OptionalOldSelf = &value
return b
}

View File

@@ -2325,7 +2325,7 @@ func schema_pkg_apis_apiextensions_v1_ValidationRule(ref common.ReferenceCallbac
Properties: map[string]spec.Schema{
"rule": {
SchemaProps: spec.SchemaProps{
Description: "Rule represents the expression which will be evaluated by CEL. ref: https://github.com/google/cel-spec The Rule is scoped to the location of the x-kubernetes-validations extension in the schema. The `self` variable in the CEL expression is bound to the scoped value. Example: - Rule scoped to the root of a resource with a status subresource: {\"rule\": \"self.status.actual <= self.spec.maxDesired\"}\n\nIf the Rule is scoped to an object with properties, the accessible properties of the object are field selectable via `self.field` and field presence can be checked via `has(self.field)`. Null valued fields are treated as absent fields in CEL expressions. If the Rule is scoped to an object with additionalProperties (i.e. a map) the value of the map are accessible via `self[mapKey]`, map containment can be checked via `mapKey in self` and all entries of the map are accessible via CEL macros and functions such as `self.all(...)`. If the Rule is scoped to an array, the elements of the array are accessible via `self[i]` and also by macros and functions. If the Rule is scoped to a scalar, `self` is bound to the scalar value. Examples: - Rule scoped to a map of objects: {\"rule\": \"self.components['Widget'].priority < 10\"} - Rule scoped to a list of integers: {\"rule\": \"self.values.all(value, value >= 0 && value < 100)\"} - Rule scoped to a string value: {\"rule\": \"self.startsWith('kube')\"}\n\nThe `apiVersion`, `kind`, `metadata.name` and `metadata.generateName` are always accessible from the root of the object and from any x-kubernetes-embedded-resource annotated objects. No other metadata properties are accessible.\n\nUnknown data preserved in custom resources via x-kubernetes-preserve-unknown-fields is not accessible in CEL expressions. This includes: - Unknown field values that are preserved by object schemas with x-kubernetes-preserve-unknown-fields. - Object properties where the property schema is of an \"unknown type\". An \"unknown type\" is recursively defined as:\n - A schema with no type and x-kubernetes-preserve-unknown-fields set to true\n - An array where the items schema is of an \"unknown type\"\n - An object where the additionalProperties schema is of an \"unknown type\"\n\nOnly property names of the form `[a-zA-Z_.-/][a-zA-Z0-9_.-/]*` are accessible. Accessible property names are escaped according to the following rules when accessed in the expression: - '__' escapes to '__underscores__' - '.' escapes to '__dot__' - '-' escapes to '__dash__' - '/' escapes to '__slash__' - Property names that exactly match a CEL RESERVED keyword escape to '__{keyword}__'. The keywords are:\n\t \"true\", \"false\", \"null\", \"in\", \"as\", \"break\", \"const\", \"continue\", \"else\", \"for\", \"function\", \"if\",\n\t \"import\", \"let\", \"loop\", \"package\", \"namespace\", \"return\".\nExamples:\n - Rule accessing a property named \"namespace\": {\"rule\": \"self.__namespace__ > 0\"}\n - Rule accessing a property named \"x-prop\": {\"rule\": \"self.x__dash__prop > 0\"}\n - Rule accessing a property named \"redact__d\": {\"rule\": \"self.redact__underscores__d > 0\"}\n\nEquality on arrays with x-kubernetes-list-type of 'set' or 'map' ignores element order, i.e. [1, 2] == [2, 1]. Concatenation on arrays with x-kubernetes-list-type use the semantics of the list type:\n - 'set': `X + Y` performs a union where the array positions of all elements in `X` are preserved and\n non-intersecting elements in `Y` are appended, retaining their partial order.\n - 'map': `X + Y` performs a merge where the array positions of all keys in `X` are preserved but the values\n are overwritten by values in `Y` when the key sets of `X` and `Y` intersect. Elements in `Y` with\n non-intersecting keys are appended, retaining their partial order.",
Description: "Rule represents the expression which will be evaluated by CEL. ref: https://github.com/google/cel-spec The Rule is scoped to the location of the x-kubernetes-validations extension in the schema. The `self` variable in the CEL expression is bound to the scoped value. Example: - Rule scoped to the root of a resource with a status subresource: {\"rule\": \"self.status.actual <= self.spec.maxDesired\"}\n\nIf the Rule is scoped to an object with properties, the accessible properties of the object are field selectable via `self.field` and field presence can be checked via `has(self.field)`. Null valued fields are treated as absent fields in CEL expressions. If the Rule is scoped to an object with additionalProperties (i.e. a map) the value of the map are accessible via `self[mapKey]`, map containment can be checked via `mapKey in self` and all entries of the map are accessible via CEL macros and functions such as `self.all(...)`. If the Rule is scoped to an array, the elements of the array are accessible via `self[i]` and also by macros and functions. If the Rule is scoped to a scalar, `self` is bound to the scalar value. Examples: - Rule scoped to a map of objects: {\"rule\": \"self.components['Widget'].priority < 10\"} - Rule scoped to a list of integers: {\"rule\": \"self.values.all(value, value >= 0 && value < 100)\"} - Rule scoped to a string value: {\"rule\": \"self.startsWith('kube')\"}\n\nThe `apiVersion`, `kind`, `metadata.name` and `metadata.generateName` are always accessible from the root of the object and from any x-kubernetes-embedded-resource annotated objects. No other metadata properties are accessible.\n\nUnknown data preserved in custom resources via x-kubernetes-preserve-unknown-fields is not accessible in CEL expressions. This includes: - Unknown field values that are preserved by object schemas with x-kubernetes-preserve-unknown-fields. - Object properties where the property schema is of an \"unknown type\". An \"unknown type\" is recursively defined as:\n - A schema with no type and x-kubernetes-preserve-unknown-fields set to true\n - An array where the items schema is of an \"unknown type\"\n - An object where the additionalProperties schema is of an \"unknown type\"\n\nOnly property names of the form `[a-zA-Z_.-/][a-zA-Z0-9_.-/]*` are accessible. Accessible property names are escaped according to the following rules when accessed in the expression: - '__' escapes to '__underscores__' - '.' escapes to '__dot__' - '-' escapes to '__dash__' - '/' escapes to '__slash__' - Property names that exactly match a CEL RESERVED keyword escape to '__{keyword}__'. The keywords are:\n\t \"true\", \"false\", \"null\", \"in\", \"as\", \"break\", \"const\", \"continue\", \"else\", \"for\", \"function\", \"if\",\n\t \"import\", \"let\", \"loop\", \"package\", \"namespace\", \"return\".\nExamples:\n - Rule accessing a property named \"namespace\": {\"rule\": \"self.__namespace__ > 0\"}\n - Rule accessing a property named \"x-prop\": {\"rule\": \"self.x__dash__prop > 0\"}\n - Rule accessing a property named \"redact__d\": {\"rule\": \"self.redact__underscores__d > 0\"}\n\nEquality on arrays with x-kubernetes-list-type of 'set' or 'map' ignores element order, i.e. [1, 2] == [2, 1]. Concatenation on arrays with x-kubernetes-list-type use the semantics of the list type:\n - 'set': `X + Y` performs a union where the array positions of all elements in `X` are preserved and\n non-intersecting elements in `Y` are appended, retaining their partial order.\n - 'map': `X + Y` performs a merge where the array positions of all keys in `X` are preserved but the values\n are overwritten by values in `Y` when the key sets of `X` and `Y` intersect. Elements in `Y` with\n non-intersecting keys are appended, retaining their partial order.\n\nIf `rule` makes use of the `oldSelf` variable it is implicitly a `transition rule`.\n\nBy default, the `oldSelf` variable is the same type as `self`. When `optionalOldSelf` is true, the `oldSelf` variable is a CEL optional\n variable whose value() is the same type as `self`.\nSee the documentation for the `optionalOldSelf` field for details.\n\nTransition rules by default are applied only on UPDATE requests and are skipped if an old value could not be found. You can opt a transition rule into unconditional evaluation by setting `optionalOldSelf` to true.",
Default: "",
Type: []string{"string"},
Format: "",
@@ -2360,6 +2360,13 @@ func schema_pkg_apis_apiextensions_v1_ValidationRule(ref common.ReferenceCallbac
Format: "",
},
},
"optionalOldSelf": {
SchemaProps: spec.SchemaProps{
Description: "optionalOldSelf is used to opt a transition rule into evaluation even when the object is first created, or if the old object is missing the value.\n\nWhen enabled `oldSelf` will be a CEL optional whose value will be `None` if there is no old value, or when the object is initially created.\n\nYou may check for presence of oldSelf using `oldSelf.hasValue()` and unwrap it after checking using `oldSelf.value()`. Check the CEL documentation for Optional types for more information: https://pkg.go.dev/github.com/google/cel-go/cel#OptionalTypes\n\nMay not be set unless `oldSelf` is used in `rule`.",
Type: []string{"boolean"},
Format: "",
},
},
},
Required: []string{"rule"},
},
@@ -3733,7 +3740,7 @@ func schema_pkg_apis_apiextensions_v1beta1_ValidationRule(ref common.ReferenceCa
Properties: map[string]spec.Schema{
"rule": {
SchemaProps: spec.SchemaProps{
Description: "Rule represents the expression which will be evaluated by CEL. ref: https://github.com/google/cel-spec The Rule is scoped to the location of the x-kubernetes-validations extension in the schema. The `self` variable in the CEL expression is bound to the scoped value. Example: - Rule scoped to the root of a resource with a status subresource: {\"rule\": \"self.status.actual <= self.spec.maxDesired\"}\n\nIf the Rule is scoped to an object with properties, the accessible properties of the object are field selectable via `self.field` and field presence can be checked via `has(self.field)`. Null valued fields are treated as absent fields in CEL expressions. If the Rule is scoped to an object with additionalProperties (i.e. a map) the value of the map are accessible via `self[mapKey]`, map containment can be checked via `mapKey in self` and all entries of the map are accessible via CEL macros and functions such as `self.all(...)`. If the Rule is scoped to an array, the elements of the array are accessible via `self[i]` and also by macros and functions. If the Rule is scoped to a scalar, `self` is bound to the scalar value. Examples: - Rule scoped to a map of objects: {\"rule\": \"self.components['Widget'].priority < 10\"} - Rule scoped to a list of integers: {\"rule\": \"self.values.all(value, value >= 0 && value < 100)\"} - Rule scoped to a string value: {\"rule\": \"self.startsWith('kube')\"}\n\nThe `apiVersion`, `kind`, `metadata.name` and `metadata.generateName` are always accessible from the root of the object and from any x-kubernetes-embedded-resource annotated objects. No other metadata properties are accessible.\n\nUnknown data preserved in custom resources via x-kubernetes-preserve-unknown-fields is not accessible in CEL expressions. This includes: - Unknown field values that are preserved by object schemas with x-kubernetes-preserve-unknown-fields. - Object properties where the property schema is of an \"unknown type\". An \"unknown type\" is recursively defined as:\n - A schema with no type and x-kubernetes-preserve-unknown-fields set to true\n - An array where the items schema is of an \"unknown type\"\n - An object where the additionalProperties schema is of an \"unknown type\"\n\nOnly property names of the form `[a-zA-Z_.-/][a-zA-Z0-9_.-/]*` are accessible. Accessible property names are escaped according to the following rules when accessed in the expression: - '__' escapes to '__underscores__' - '.' escapes to '__dot__' - '-' escapes to '__dash__' - '/' escapes to '__slash__' - Property names that exactly match a CEL RESERVED keyword escape to '__{keyword}__'. The keywords are:\n\t \"true\", \"false\", \"null\", \"in\", \"as\", \"break\", \"const\", \"continue\", \"else\", \"for\", \"function\", \"if\",\n\t \"import\", \"let\", \"loop\", \"package\", \"namespace\", \"return\".\nExamples:\n - Rule accessing a property named \"namespace\": {\"rule\": \"self.__namespace__ > 0\"}\n - Rule accessing a property named \"x-prop\": {\"rule\": \"self.x__dash__prop > 0\"}\n - Rule accessing a property named \"redact__d\": {\"rule\": \"self.redact__underscores__d > 0\"}\n\nEquality on arrays with x-kubernetes-list-type of 'set' or 'map' ignores element order, i.e. [1, 2] == [2, 1]. Concatenation on arrays with x-kubernetes-list-type use the semantics of the list type:\n - 'set': `X + Y` performs a union where the array positions of all elements in `X` are preserved and\n non-intersecting elements in `Y` are appended, retaining their partial order.\n - 'map': `X + Y` performs a merge where the array positions of all keys in `X` are preserved but the values\n are overwritten by values in `Y` when the key sets of `X` and `Y` intersect. Elements in `Y` with\n non-intersecting keys are appended, retaining their partial order.",
Description: "Rule represents the expression which will be evaluated by CEL. ref: https://github.com/google/cel-spec The Rule is scoped to the location of the x-kubernetes-validations extension in the schema. The `self` variable in the CEL expression is bound to the scoped value. Example: - Rule scoped to the root of a resource with a status subresource: {\"rule\": \"self.status.actual <= self.spec.maxDesired\"}\n\nIf the Rule is scoped to an object with properties, the accessible properties of the object are field selectable via `self.field` and field presence can be checked via `has(self.field)`. Null valued fields are treated as absent fields in CEL expressions. If the Rule is scoped to an object with additionalProperties (i.e. a map) the value of the map are accessible via `self[mapKey]`, map containment can be checked via `mapKey in self` and all entries of the map are accessible via CEL macros and functions such as `self.all(...)`. If the Rule is scoped to an array, the elements of the array are accessible via `self[i]` and also by macros and functions. If the Rule is scoped to a scalar, `self` is bound to the scalar value. Examples: - Rule scoped to a map of objects: {\"rule\": \"self.components['Widget'].priority < 10\"} - Rule scoped to a list of integers: {\"rule\": \"self.values.all(value, value >= 0 && value < 100)\"} - Rule scoped to a string value: {\"rule\": \"self.startsWith('kube')\"}\n\nThe `apiVersion`, `kind`, `metadata.name` and `metadata.generateName` are always accessible from the root of the object and from any x-kubernetes-embedded-resource annotated objects. No other metadata properties are accessible.\n\nUnknown data preserved in custom resources via x-kubernetes-preserve-unknown-fields is not accessible in CEL expressions. This includes: - Unknown field values that are preserved by object schemas with x-kubernetes-preserve-unknown-fields. - Object properties where the property schema is of an \"unknown type\". An \"unknown type\" is recursively defined as:\n - A schema with no type and x-kubernetes-preserve-unknown-fields set to true\n - An array where the items schema is of an \"unknown type\"\n - An object where the additionalProperties schema is of an \"unknown type\"\n\nOnly property names of the form `[a-zA-Z_.-/][a-zA-Z0-9_.-/]*` are accessible. Accessible property names are escaped according to the following rules when accessed in the expression: - '__' escapes to '__underscores__' - '.' escapes to '__dot__' - '-' escapes to '__dash__' - '/' escapes to '__slash__' - Property names that exactly match a CEL RESERVED keyword escape to '__{keyword}__'. The keywords are:\n\t \"true\", \"false\", \"null\", \"in\", \"as\", \"break\", \"const\", \"continue\", \"else\", \"for\", \"function\", \"if\",\n\t \"import\", \"let\", \"loop\", \"package\", \"namespace\", \"return\".\nExamples:\n - Rule accessing a property named \"namespace\": {\"rule\": \"self.__namespace__ > 0\"}\n - Rule accessing a property named \"x-prop\": {\"rule\": \"self.x__dash__prop > 0\"}\n - Rule accessing a property named \"redact__d\": {\"rule\": \"self.redact__underscores__d > 0\"}\n\nEquality on arrays with x-kubernetes-list-type of 'set' or 'map' ignores element order, i.e. [1, 2] == [2, 1]. Concatenation on arrays with x-kubernetes-list-type use the semantics of the list type:\n - 'set': `X + Y` performs a union where the array positions of all elements in `X` are preserved and\n non-intersecting elements in `Y` are appended, retaining their partial order.\n - 'map': `X + Y` performs a merge where the array positions of all keys in `X` are preserved but the values\n are overwritten by values in `Y` when the key sets of `X` and `Y` intersect. Elements in `Y` with\n non-intersecting keys are appended, retaining their partial order.\n\nIf `rule` makes use of the `oldSelf` variable it is implicitly a `transition rule`.\n\nBy default, the `oldSelf` variable is the same type as `self`. When `optionalOldSelf` is true, the `oldSelf` variable is a CEL optional\n variable whose value() is the same type as `self`.\nSee the documentation for the `optionalOldSelf` field for details.\n\nTransition rules by default are applied only on UPDATE requests and are skipped if an old value could not be found. You can opt a transition rule into unconditional evaluation by setting `optionalOldSelf` to true.",
Default: "",
Type: []string{"string"},
Format: "",
@@ -3768,6 +3775,13 @@ func schema_pkg_apis_apiextensions_v1beta1_ValidationRule(ref common.ReferenceCa
Format: "",
},
},
"optionalOldSelf": {
SchemaProps: spec.SchemaProps{
Description: "optionalOldSelf is used to opt a transition rule into evaluation even when the object is first created, or if the old object is missing the value.\n\nWhen enabled `oldSelf` will be a CEL optional whose value will be `None` if there is no old value, or when the object is initially created.\n\nYou may check for presence of oldSelf using `oldSelf.hasValue()` and unwrap it after checking using `oldSelf.value()`. Check the CEL documentation for Optional types for more information: https://pkg.go.dev/github.com/google/cel-go/cel#OptionalTypes\n\nMay not be set unless `oldSelf` is used in `rule`.",
Type: []string{"boolean"},
Format: "",
},
},
},
Required: []string{"rule"},
},

View File

@@ -24,6 +24,7 @@ import (
"k8s.io/apiextensions-apiserver/pkg/apis/apiextensions"
"k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/validation"
apiextensionsfeatures "k8s.io/apiextensions-apiserver/pkg/features"
apiequality "k8s.io/apimachinery/pkg/api/equality"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/fields"
@@ -33,6 +34,7 @@ import (
"k8s.io/apiserver/pkg/registry/generic"
"k8s.io/apiserver/pkg/storage"
"k8s.io/apiserver/pkg/storage/names"
utilfeature "k8s.io/apiserver/pkg/util/feature"
)
// strategy implements behavior for CustomResources.
@@ -223,3 +225,60 @@ func MatchCustomResourceDefinition(label labels.Selector, field fields.Selector)
func CustomResourceDefinitionToSelectableFields(obj *apiextensions.CustomResourceDefinition) fields.Set {
return generic.ObjectMetaFieldsSet(&obj.ObjectMeta, true)
}
// dropDisabledFields drops disabled fields that are not used if their associated feature gates
// are not enabled.
func dropDisabledFields(newCRD *apiextensions.CustomResourceDefinition, oldCRD *apiextensions.CustomResourceDefinition) {
if !utilfeature.DefaultFeatureGate.Enabled(apiextensionsfeatures.CRDValidationRatcheting) && (oldCRD == nil || (oldCRD != nil && !specHasOptionalOldSelf(&oldCRD.Spec))) {
if newCRD.Spec.Validation != nil {
dropOptionalOldSelfField(newCRD.Spec.Validation.OpenAPIV3Schema)
}
for _, v := range newCRD.Spec.Versions {
if v.Schema != nil {
dropOptionalOldSelfField(v.Schema.OpenAPIV3Schema)
}
}
}
}
// dropOptionalOldSelfField drops field optionalOldSelf from CRD schema
func dropOptionalOldSelfField(schema *apiextensions.JSONSchemaProps) {
if schema == nil {
return
}
for i := range schema.XValidations {
schema.XValidations[i].OptionalOldSelf = nil
}
if schema.AdditionalProperties != nil {
dropOptionalOldSelfField(schema.AdditionalProperties.Schema)
}
for def, jsonSchema := range schema.Properties {
dropOptionalOldSelfField(&jsonSchema)
schema.Properties[def] = jsonSchema
}
if schema.Items != nil {
dropOptionalOldSelfField(schema.Items.Schema)
for i, jsonSchema := range schema.Items.JSONSchemas {
dropOptionalOldSelfField(&jsonSchema)
schema.Items.JSONSchemas[i] = jsonSchema
}
}
}
func specHasOptionalOldSelf(spec *apiextensions.CustomResourceDefinitionSpec) bool {
return validation.HasSchemaWith(spec, schemaHasOptionalOldSelf)
}
func schemaHasOptionalOldSelf(s *apiextensions.JSONSchemaProps) bool {
return validation.SchemaHas(s, func(s *apiextensions.JSONSchemaProps) bool {
for _, v := range s.XValidations {
if v.OptionalOldSelf != nil {
return true
}
}
return false
})
}

View File

@@ -20,12 +20,17 @@ import (
"context"
"testing"
"github.com/google/go-cmp/cmp"
"k8s.io/apiextensions-apiserver/pkg/apis/apiextensions"
"k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1beta1"
"k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/validation"
apiextensionsfeatures "k8s.io/apiextensions-apiserver/pkg/features"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/validation/field"
utilfeature "k8s.io/apiserver/pkg/util/feature"
featuregatetesting "k8s.io/component-base/featuregate/testing"
"k8s.io/utils/pointer"
"k8s.io/utils/ptr"
)
func strPtr(in string) *string {
@@ -189,3 +194,521 @@ func TestValidateAPIApproval(t *testing.T) {
})
}
}
// TestDropDisabledFields tests if the drop functionality is working fine or not with feature gate switch
func TestDropDisabledFields(t *testing.T) {
testCases := []struct {
name string
enableRatcheting bool
crd *apiextensions.CustomResourceDefinition
oldCRD *apiextensions.CustomResourceDefinition
expectedCRD *apiextensions.CustomResourceDefinition
}{
{
name: "Ratcheting, For creation, FG disabled, no OptionalOldSelf, no field drop",
enableRatcheting: false,
crd: &apiextensions.CustomResourceDefinition{},
oldCRD: nil,
expectedCRD: &apiextensions.CustomResourceDefinition{},
},
{
name: "Ratcheting, For creation, FG disabled, set OptionalOldSelf, drop OptionalOldSelf",
enableRatcheting: false,
crd: &apiextensions.CustomResourceDefinition{
ObjectMeta: metav1.ObjectMeta{Name: "foos.sigs.k8s.io", Annotations: map[string]string{v1beta1.KubeAPIApprovedAnnotation: "valid"}, ResourceVersion: "1"},
Spec: apiextensions.CustomResourceDefinitionSpec{
Validation: &apiextensions.CustomResourceValidation{
OpenAPIV3Schema: &apiextensions.JSONSchemaProps{
Type: "object",
XValidations: apiextensions.ValidationRules{
{
Rule: "size(self) > 0",
Message: "openAPIV3Schema should contain more than 0 element.",
OptionalOldSelf: ptr.To(true),
},
},
Properties: map[string]apiextensions.JSONSchemaProps{
"subRule": {
Type: "object",
XValidations: apiextensions.ValidationRules{
{
Rule: "isTest == true",
Message: "isTest should be true.",
OptionalOldSelf: ptr.To(true),
},
},
Properties: map[string]apiextensions.JSONSchemaProps{
"isTest": {
Type: "boolean",
},
},
},
},
},
},
},
},
oldCRD: nil,
expectedCRD: &apiextensions.CustomResourceDefinition{
ObjectMeta: metav1.ObjectMeta{Name: "foos.sigs.k8s.io", Annotations: map[string]string{v1beta1.KubeAPIApprovedAnnotation: "valid"}, ResourceVersion: "1"},
Spec: apiextensions.CustomResourceDefinitionSpec{
Validation: &apiextensions.CustomResourceValidation{
OpenAPIV3Schema: &apiextensions.JSONSchemaProps{
Type: "object",
XValidations: apiextensions.ValidationRules{
{
Rule: "size(self) > 0",
Message: "openAPIV3Schema should contain more than 0 element.",
},
},
Properties: map[string]apiextensions.JSONSchemaProps{
"subRule": {
Type: "object",
XValidations: apiextensions.ValidationRules{
{
Rule: "isTest == true",
Message: "isTest should be true.",
},
},
Properties: map[string]apiextensions.JSONSchemaProps{
"isTest": {
Type: "boolean",
},
},
},
},
},
},
},
},
},
{
name: "Ratcheting, For creation, FG enabled, set OptionalOldSelf, update with OptionalOldSelf",
enableRatcheting: true,
crd: &apiextensions.CustomResourceDefinition{
ObjectMeta: metav1.ObjectMeta{Name: "foos.sigs.k8s.io", Annotations: map[string]string{v1beta1.KubeAPIApprovedAnnotation: "valid"}, ResourceVersion: "1"},
Spec: apiextensions.CustomResourceDefinitionSpec{
Validation: &apiextensions.CustomResourceValidation{
OpenAPIV3Schema: &apiextensions.JSONSchemaProps{
Type: "object",
XValidations: apiextensions.ValidationRules{
{
Rule: "size(self) > 0",
Message: "openAPIV3Schema should contain more than 0 element.",
OptionalOldSelf: ptr.To(true),
},
},
Properties: map[string]apiextensions.JSONSchemaProps{
"subRule": {
Type: "object",
XValidations: apiextensions.ValidationRules{
{
Rule: "isTest == true",
Message: "isTest should be true.",
OptionalOldSelf: ptr.To(true),
},
},
Properties: map[string]apiextensions.JSONSchemaProps{
"isTest": {
Type: "boolean",
},
},
},
},
},
},
},
},
oldCRD: nil,
expectedCRD: &apiextensions.CustomResourceDefinition{
ObjectMeta: metav1.ObjectMeta{Name: "foos.sigs.k8s.io", Annotations: map[string]string{v1beta1.KubeAPIApprovedAnnotation: "valid"}, ResourceVersion: "1"},
Spec: apiextensions.CustomResourceDefinitionSpec{
Validation: &apiextensions.CustomResourceValidation{
OpenAPIV3Schema: &apiextensions.JSONSchemaProps{
Type: "object",
XValidations: apiextensions.ValidationRules{
{
Rule: "size(self) > 0",
Message: "openAPIV3Schema should contain more than 0 element.",
OptionalOldSelf: ptr.To(true),
},
},
Properties: map[string]apiextensions.JSONSchemaProps{
"subRule": {
Type: "object",
XValidations: apiextensions.ValidationRules{
{
Rule: "isTest == true",
Message: "isTest should be true.",
OptionalOldSelf: ptr.To(true),
},
},
Properties: map[string]apiextensions.JSONSchemaProps{
"isTest": {
Type: "boolean",
},
},
},
},
},
},
},
},
},
{
name: "Ratcheting, For update, FG disabled, oldCRD OptionalOldSelf in use, don't drop OptionalOldSelfs",
enableRatcheting: false,
crd: &apiextensions.CustomResourceDefinition{
ObjectMeta: metav1.ObjectMeta{Name: "foos.sigs.k8s.io", Annotations: map[string]string{v1beta1.KubeAPIApprovedAnnotation: "valid"}, ResourceVersion: "1"},
Spec: apiextensions.CustomResourceDefinitionSpec{
Validation: &apiextensions.CustomResourceValidation{
OpenAPIV3Schema: &apiextensions.JSONSchemaProps{
Type: "object",
XValidations: apiextensions.ValidationRules{
{
Rule: "size(self) > 0",
Message: "openAPIV3Schema should contain more than 0 element.",
OptionalOldSelf: ptr.To(true),
},
},
Properties: map[string]apiextensions.JSONSchemaProps{
"subRule": {
Type: "object",
XValidations: apiextensions.ValidationRules{
{
Rule: "isTest == true",
Message: "isTest should be true.",
OptionalOldSelf: ptr.To(true),
},
},
Properties: map[string]apiextensions.JSONSchemaProps{
"isTest": {
Type: "boolean",
},
},
},
},
},
},
},
},
oldCRD: &apiextensions.CustomResourceDefinition{
ObjectMeta: metav1.ObjectMeta{Name: "foos.sigs.k8s.io", Annotations: map[string]string{v1beta1.KubeAPIApprovedAnnotation: "valid"}, ResourceVersion: "1"},
Spec: apiextensions.CustomResourceDefinitionSpec{
Validation: &apiextensions.CustomResourceValidation{
OpenAPIV3Schema: &apiextensions.JSONSchemaProps{
Type: "object",
Properties: map[string]apiextensions.JSONSchemaProps{
"otherRule": {
Type: "object",
XValidations: apiextensions.ValidationRules{
{
Rule: "self.isTest == true",
Message: "isTest should be true.",
OptionalOldSelf: ptr.To(true),
},
},
},
},
},
},
},
},
expectedCRD: &apiextensions.CustomResourceDefinition{
ObjectMeta: metav1.ObjectMeta{Name: "foos.sigs.k8s.io", Annotations: map[string]string{v1beta1.KubeAPIApprovedAnnotation: "valid"}, ResourceVersion: "1"},
Spec: apiextensions.CustomResourceDefinitionSpec{
Validation: &apiextensions.CustomResourceValidation{
OpenAPIV3Schema: &apiextensions.JSONSchemaProps{
Type: "object",
XValidations: apiextensions.ValidationRules{
{
Rule: "size(self) > 0",
Message: "openAPIV3Schema should contain more than 0 element.",
OptionalOldSelf: ptr.To(true),
},
},
Properties: map[string]apiextensions.JSONSchemaProps{
"subRule": {
Type: "object",
XValidations: apiextensions.ValidationRules{
{
Rule: "isTest == true",
Message: "isTest should be true.",
OptionalOldSelf: ptr.To(true),
},
},
Properties: map[string]apiextensions.JSONSchemaProps{
"isTest": {
Type: "boolean",
},
},
},
},
},
},
},
},
},
{
name: "Ratcheting, For update, FG disabled, oldCRD OptionalOldSelf in use, but different from new, don't drop OptionalOldSelfs",
enableRatcheting: false,
crd: &apiextensions.CustomResourceDefinition{
ObjectMeta: metav1.ObjectMeta{Name: "foos.sigs.k8s.io", Annotations: map[string]string{v1beta1.KubeAPIApprovedAnnotation: "valid"}, ResourceVersion: "1"},
Spec: apiextensions.CustomResourceDefinitionSpec{
Validation: &apiextensions.CustomResourceValidation{
OpenAPIV3Schema: &apiextensions.JSONSchemaProps{
Type: "object",
XValidations: apiextensions.ValidationRules{
{
Rule: "size(self) > 0",
Message: "openAPIV3Schema should contain more than 0 element.",
OptionalOldSelf: ptr.To(true),
},
},
Properties: map[string]apiextensions.JSONSchemaProps{
"subRule": {
Type: "object",
XValidations: apiextensions.ValidationRules{
{
Rule: "isTest == true",
Message: "isTest should be true.",
OptionalOldSelf: ptr.To(true),
},
},
Properties: map[string]apiextensions.JSONSchemaProps{
"isTest": {
Type: "boolean",
},
},
},
},
},
},
},
},
oldCRD: &apiextensions.CustomResourceDefinition{
ObjectMeta: metav1.ObjectMeta{Name: "foos.sigs.k8s.io", Annotations: map[string]string{v1beta1.KubeAPIApprovedAnnotation: "valid"}, ResourceVersion: "1"},
Spec: apiextensions.CustomResourceDefinitionSpec{
Validation: &apiextensions.CustomResourceValidation{
OpenAPIV3Schema: &apiextensions.JSONSchemaProps{
Type: "object",
Properties: map[string]apiextensions.JSONSchemaProps{
"subRule": {
Type: "object",
XValidations: apiextensions.ValidationRules{
{
Rule: "isTest == true",
Message: "isTest should be true.",
OptionalOldSelf: ptr.To(true),
},
},
},
},
},
},
},
},
expectedCRD: &apiextensions.CustomResourceDefinition{
ObjectMeta: metav1.ObjectMeta{Name: "foos.sigs.k8s.io", Annotations: map[string]string{v1beta1.KubeAPIApprovedAnnotation: "valid"}, ResourceVersion: "1"},
Spec: apiextensions.CustomResourceDefinitionSpec{
Validation: &apiextensions.CustomResourceValidation{
OpenAPIV3Schema: &apiextensions.JSONSchemaProps{
Type: "object",
XValidations: apiextensions.ValidationRules{
{
Rule: "size(self) > 0",
Message: "openAPIV3Schema should contain more than 0 element.",
OptionalOldSelf: ptr.To(true),
},
},
Properties: map[string]apiextensions.JSONSchemaProps{
"subRule": {
Type: "object",
XValidations: apiextensions.ValidationRules{
{
Rule: "isTest == true",
Message: "isTest should be true.",
OptionalOldSelf: ptr.To(true),
},
},
Properties: map[string]apiextensions.JSONSchemaProps{
"isTest": {
Type: "boolean",
},
},
},
},
},
},
},
},
},
{
name: "Ratcheting, For update, FG disabled, oldCRD has no OptionalOldSelf, drop OptionalOldSelf",
enableRatcheting: false,
crd: &apiextensions.CustomResourceDefinition{
ObjectMeta: metav1.ObjectMeta{Name: "foos.sigs.k8s.io", Annotations: map[string]string{v1beta1.KubeAPIApprovedAnnotation: "valid"}, ResourceVersion: "1"},
Spec: apiextensions.CustomResourceDefinitionSpec{
Validation: &apiextensions.CustomResourceValidation{
OpenAPIV3Schema: &apiextensions.JSONSchemaProps{
Type: "object",
XValidations: apiextensions.ValidationRules{
{
Rule: "size(self) > 0",
Message: "openAPIV3Schema should contain more than 0 element.",
OptionalOldSelf: ptr.To(true),
},
},
},
},
},
},
oldCRD: &apiextensions.CustomResourceDefinition{
ObjectMeta: metav1.ObjectMeta{Name: "foos.sigs.k8s.io", Annotations: map[string]string{v1beta1.KubeAPIApprovedAnnotation: "valid"}, ResourceVersion: "1"},
Spec: apiextensions.CustomResourceDefinitionSpec{
Validation: &apiextensions.CustomResourceValidation{
OpenAPIV3Schema: &apiextensions.JSONSchemaProps{
Type: "object",
},
},
},
},
expectedCRD: &apiextensions.CustomResourceDefinition{
ObjectMeta: metav1.ObjectMeta{Name: "foos.sigs.k8s.io", Annotations: map[string]string{v1beta1.KubeAPIApprovedAnnotation: "valid"}, ResourceVersion: "1"},
Spec: apiextensions.CustomResourceDefinitionSpec{
Validation: &apiextensions.CustomResourceValidation{
OpenAPIV3Schema: &apiextensions.JSONSchemaProps{
Type: "object",
XValidations: apiextensions.ValidationRules{
{
Rule: "size(self) > 0",
Message: "openAPIV3Schema should contain more than 0 element.",
},
},
},
},
},
},
},
{
name: "Ratcheting, For update, FG enabled, oldCRD has optionalOldSelf, updated to newCRD",
enableRatcheting: true,
crd: &apiextensions.CustomResourceDefinition{
ObjectMeta: metav1.ObjectMeta{Name: "foos.sigs.k8s.io", Annotations: map[string]string{v1beta1.KubeAPIApprovedAnnotation: "valid"}, ResourceVersion: "1"},
Spec: apiextensions.CustomResourceDefinitionSpec{
Validation: &apiextensions.CustomResourceValidation{
OpenAPIV3Schema: &apiextensions.JSONSchemaProps{
Type: "object",
XValidations: apiextensions.ValidationRules{
{
Rule: "size(self) > 0",
Message: "openAPIV3Schema should contain more than 0 element.",
OptionalOldSelf: ptr.To(true),
},
},
},
},
},
},
oldCRD: &apiextensions.CustomResourceDefinition{
ObjectMeta: metav1.ObjectMeta{Name: "foos.sigs.k8s.io", Annotations: map[string]string{v1beta1.KubeAPIApprovedAnnotation: "valid"}, ResourceVersion: "1"},
Spec: apiextensions.CustomResourceDefinitionSpec{
Validation: &apiextensions.CustomResourceValidation{
OpenAPIV3Schema: &apiextensions.JSONSchemaProps{
Type: "object",
XValidations: apiextensions.ValidationRules{
{
Rule: "old data",
Message: "old data",
OptionalOldSelf: ptr.To(true),
},
},
},
},
},
},
expectedCRD: &apiextensions.CustomResourceDefinition{
ObjectMeta: metav1.ObjectMeta{Name: "foos.sigs.k8s.io", Annotations: map[string]string{v1beta1.KubeAPIApprovedAnnotation: "valid"}, ResourceVersion: "1"},
Spec: apiextensions.CustomResourceDefinitionSpec{
Validation: &apiextensions.CustomResourceValidation{
OpenAPIV3Schema: &apiextensions.JSONSchemaProps{
Type: "object",
XValidations: apiextensions.ValidationRules{
{
Rule: "size(self) > 0",
Message: "openAPIV3Schema should contain more than 0 element.",
OptionalOldSelf: ptr.To(true),
},
},
},
},
},
},
},
{
name: "Ratcheting, For update, FG enabled, oldCRD has no OptionalOldSelf, updated to newCRD",
enableRatcheting: true,
crd: &apiextensions.CustomResourceDefinition{
ObjectMeta: metav1.ObjectMeta{Name: "foos.sigs.k8s.io", Annotations: map[string]string{v1beta1.KubeAPIApprovedAnnotation: "valid"}, ResourceVersion: "1"},
Spec: apiextensions.CustomResourceDefinitionSpec{
Validation: &apiextensions.CustomResourceValidation{
OpenAPIV3Schema: &apiextensions.JSONSchemaProps{
Type: "object",
XValidations: apiextensions.ValidationRules{
{
Rule: "size(self) > 0",
Message: "openAPIV3Schema should contain more than 0 element.",
OptionalOldSelf: ptr.To(true),
},
},
},
},
},
},
oldCRD: &apiextensions.CustomResourceDefinition{
ObjectMeta: metav1.ObjectMeta{Name: "foos.sigs.k8s.io", Annotations: map[string]string{v1beta1.KubeAPIApprovedAnnotation: "valid"}, ResourceVersion: "1"},
Spec: apiextensions.CustomResourceDefinitionSpec{
Validation: &apiextensions.CustomResourceValidation{
OpenAPIV3Schema: &apiextensions.JSONSchemaProps{
Type: "object",
},
},
},
},
expectedCRD: &apiextensions.CustomResourceDefinition{
ObjectMeta: metav1.ObjectMeta{Name: "foos.sigs.k8s.io", Annotations: map[string]string{v1beta1.KubeAPIApprovedAnnotation: "valid"}, ResourceVersion: "1"},
Spec: apiextensions.CustomResourceDefinitionSpec{
Validation: &apiextensions.CustomResourceValidation{
OpenAPIV3Schema: &apiextensions.JSONSchemaProps{
Type: "object",
XValidations: apiextensions.ValidationRules{
{
Rule: "size(self) > 0",
Message: "openAPIV3Schema should contain more than 0 element.",
OptionalOldSelf: ptr.To(true),
},
},
},
},
},
},
},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, apiextensionsfeatures.CRDValidationRatcheting, tc.enableRatcheting)()
old := tc.oldCRD.DeepCopy()
dropDisabledFields(tc.crd, tc.oldCRD)
// old crd should never be changed
if diff := cmp.Diff(tc.oldCRD, old); diff != "" {
t.Fatalf("old crd changed from %v to %v\n%v", tc.oldCRD, old, diff)
}
if diff := cmp.Diff(tc.expectedCRD, tc.crd); diff != "" {
t.Fatalf("unexpected crd: %v\n%v", tc.crd, diff)
}
})
}
}

View File

@@ -1340,6 +1340,50 @@ func TestRatchetingFunctionality(t *testing.T) {
}}},
},
},
{
Name: "CEL Optional OldSelf",
Operations: []ratchetingTestOperation{
updateMyCRDV1Beta1Schema{&apiextensionsv1.JSONSchemaProps{
Type: "object",
Properties: map[string]apiextensionsv1.JSONSchemaProps{
"field": {
Type: "string",
XValidations: []apiextensionsv1.ValidationRule{
{
Rule: "!oldSelf.hasValue()",
Message: "oldSelf must be null",
OptionalOldSelf: ptr(true),
},
},
},
},
}},
applyPatchOperation{
"create instance passes since oldself is null",
myCRDV1Beta1, myCRDInstanceName, map[string]interface{}{
"field": "value",
}},
expectError{
applyPatchOperation{
"update field fails, since oldself is not null",
myCRDV1Beta1, myCRDInstanceName, map[string]interface{}{
"field": "value2",
},
},
},
expectError{
applyPatchOperation{
"noop update field fails, since oldself is not null and transition rules are not ratcheted",
myCRDV1Beta1, myCRDInstanceName, map[string]interface{}{
"field": "value",
},
},
},
},
},
// Features that should not ratchet
{
Name: "AllOf_should_not_ratchet",