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validation: improve ProjectedVolume validation errors

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* only report "may not specify more than 1 volume type" once
* fix incorrectly reported field paths
* continue to traverse into projections to report further errors.
This commit is contained in:
Mike Danese
2018-03-31 14:13:35 -07:00
parent 500893cf99
commit a5d2ca8c55
2 changed files with 110 additions and 55 deletions
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100
pkg/apis/core/validation/validation.go
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@@ -984,74 +984,64 @@ func validateProjectionSources(projection *core.ProjectedVolumeSource, projectio
allErrs := field.ErrorList{}
allPaths := sets.String{}
for _, source := range projection.Sources {
for i, source := range projection.Sources {
numSources := 0
if source.Secret != nil {
if numSources > 0 {
allErrs = append(allErrs, field.Forbidden(fldPath.Child("secret"), "may not specify more than 1 volume type"))
} else {
numSources++
if len(source.Secret.Name) == 0 {
allErrs = append(allErrs, field.Required(fldPath.Child("name"), ""))
}
itemsPath := fldPath.Child("items")
for i, kp := range source.Secret.Items {
itemPath := itemsPath.Index(i)
allErrs = append(allErrs, validateKeyToPath(&kp, itemPath)...)
if len(kp.Path) > 0 {
curPath := kp.Path
if !allPaths.Has(curPath) {
allPaths.Insert(curPath)
} else {
allErrs = append(allErrs, field.Invalid(fldPath, source.Secret.Name, "conflicting duplicate paths"))
}
srcPath := fldPath.Child("sources").Index(i)
if projPath := srcPath.Child("secret"); source.Secret != nil {
numSources++
if len(source.Secret.Name) == 0 {
allErrs = append(allErrs, field.Required(projPath.Child("name"), ""))
}
itemsPath := projPath.Child("items")
for i, kp := range source.Secret.Items {
itemPath := itemsPath.Index(i)
allErrs = append(allErrs, validateKeyToPath(&kp, itemPath)...)
if len(kp.Path) > 0 {
curPath := kp.Path
if !allPaths.Has(curPath) {
allPaths.Insert(curPath)
} else {
allErrs = append(allErrs, field.Invalid(fldPath, source.Secret.Name, "conflicting duplicate paths"))
}
}
}
}
if source.ConfigMap != nil {
if numSources > 0 {
allErrs = append(allErrs, field.Forbidden(fldPath.Child("configMap"), "may not specify more than 1 volume type"))
} else {
numSources++
if len(source.ConfigMap.Name) == 0 {
allErrs = append(allErrs, field.Required(fldPath.Child("name"), ""))
}
itemsPath := fldPath.Child("items")
for i, kp := range source.ConfigMap.Items {
itemPath := itemsPath.Index(i)
allErrs = append(allErrs, validateKeyToPath(&kp, itemPath)...)
if len(kp.Path) > 0 {
curPath := kp.Path
if !allPaths.Has(curPath) {
allPaths.Insert(curPath)
} else {
allErrs = append(allErrs, field.Invalid(fldPath, source.ConfigMap.Name, "conflicting duplicate paths"))
}
if projPath := srcPath.Child("configMap"); source.ConfigMap != nil {
numSources++
if len(source.ConfigMap.Name) == 0 {
allErrs = append(allErrs, field.Required(projPath.Child("name"), ""))
}
itemsPath := projPath.Child("items")
for i, kp := range source.ConfigMap.Items {
itemPath := itemsPath.Index(i)
allErrs = append(allErrs, validateKeyToPath(&kp, itemPath)...)
if len(kp.Path) > 0 {
curPath := kp.Path
if !allPaths.Has(curPath) {
allPaths.Insert(curPath)
} else {
allErrs = append(allErrs, field.Invalid(fldPath, source.ConfigMap.Name, "conflicting duplicate paths"))
}
}
}
}
if source.DownwardAPI != nil {
if numSources > 0 {
allErrs = append(allErrs, field.Forbidden(fldPath.Child("downwardAPI"), "may not specify more than 1 volume type"))
} else {
numSources++
for _, file := range source.DownwardAPI.Items {
allErrs = append(allErrs, validateDownwardAPIVolumeFile(&file, fldPath.Child("downwardAPI"))...)
if len(file.Path) > 0 {
curPath := file.Path
if !allPaths.Has(curPath) {
allPaths.Insert(curPath)
} else {
allErrs = append(allErrs, field.Invalid(fldPath, curPath, "conflicting duplicate paths"))
}
if projPath := srcPath.Child("downwardAPI"); source.DownwardAPI != nil {
numSources++
for _, file := range source.DownwardAPI.Items {
allErrs = append(allErrs, validateDownwardAPIVolumeFile(&file, projPath)...)
if len(file.Path) > 0 {
curPath := file.Path
if !allPaths.Has(curPath) {
allPaths.Insert(curPath)
} else {
allErrs = append(allErrs, field.Invalid(fldPath, curPath, "conflicting duplicate paths"))
}
}
}
}
if numSources > 1 {
allErrs = append(allErrs, field.Forbidden(srcPath, "may not specify more than 1 volume type"))
}
}
return allErrs
}