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Add Daemon API

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This commit is contained in:
AnanyaKumar
2015-07-25 12:08:34 -07:00
committed by Ananya Kumar
parent 0d1f2cd227
commit d9b85652ae
14 changed files with 965 additions and 15 deletions
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86
pkg/api/validation/validation.go
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@@ -112,6 +112,13 @@ func ValidateReplicationControllerName(name string, prefix bool) (bool, string)
return NameIsDNSSubdomain(name, prefix)
}
// ValidateDaemonName can be used to check whether the given daemon name is valid.
// Prefix indicates this name will be used as part of generation, in which case
// trailing dashes are allowed.
func ValidateDaemonName(name string, prefix bool) (bool, string) {
return NameIsDNSSubdomain(name, prefix)
}
// ValidateServiceName can be used to check whether the given service name is valid.
// Prefix indicates this name will be used as part of generation, in which case
// trailing dashes are allowed.
@@ -1027,7 +1034,7 @@ func ValidatePodStatusUpdate(newPod, oldPod *api.Pod) errs.ValidationErrorList {
func ValidatePodTemplate(pod *api.PodTemplate) errs.ValidationErrorList {
allErrs := errs.ValidationErrorList{}
allErrs = append(allErrs, ValidateObjectMeta(&pod.ObjectMeta, true, ValidatePodName).Prefix("metadata")...)
allErrs = append(allErrs, ValidatePodTemplateSpec(&pod.Template, 0).Prefix("template")...)
allErrs = append(allErrs, ValidatePodTemplateSpec(&pod.Template).Prefix("template")...)
return allErrs
}
@@ -1035,9 +1042,8 @@ func ValidatePodTemplate(pod *api.PodTemplate) errs.ValidationErrorList {
// that cannot be changed.
func ValidatePodTemplateUpdate(newPod, oldPod *api.PodTemplate) errs.ValidationErrorList {
allErrs := errs.ValidationErrorList{}
allErrs = append(allErrs, ValidateObjectMetaUpdate(&newPod.ObjectMeta, &oldPod.ObjectMeta).Prefix("metadata")...)
allErrs = append(allErrs, ValidatePodTemplateSpec(&newPod.Template, 0).Prefix("template")...)
allErrs = append(allErrs, ValidateObjectMetaUpdate(&oldPod.ObjectMeta, &newPod.ObjectMeta).Prefix("metadata")...)
allErrs = append(allErrs, ValidatePodTemplateSpec(&newPod.Template).Prefix("template")...)
return allErrs
}
@@ -1185,7 +1191,6 @@ func ValidateReplicationController(controller *api.ReplicationController) errs.V
allErrs := errs.ValidationErrorList{}
allErrs = append(allErrs, ValidateObjectMeta(&controller.ObjectMeta, true, ValidateReplicationControllerName).Prefix("metadata")...)
allErrs = append(allErrs, ValidateReplicationControllerSpec(&controller.Spec).Prefix("spec")...)
return allErrs
}
@@ -1214,9 +1219,71 @@ func ValidateReplicationControllerSpec(spec *api.ReplicationControllerSpec) errs
} else {
labels := labels.Set(spec.Template.Labels)
if !selector.Matches(labels) {
allErrs = append(allErrs, errs.NewFieldInvalid("template.labels", spec.Template.Labels, "selector does not match template"))
allErrs = append(allErrs, errs.NewFieldInvalid("template.metadata.labels", spec.Template.Labels, "selector does not match template"))
}
allErrs = append(allErrs, ValidatePodTemplateSpec(spec.Template, spec.Replicas).Prefix("template")...)
allErrs = append(allErrs, ValidatePodTemplateSpec(spec.Template).Prefix("template")...)
if spec.Replicas > 1 {
allErrs = append(allErrs, ValidateReadOnlyPersistentDisks(spec.Template.Spec.Volumes).Prefix("template.spec.volumes")...)
}
// RestartPolicy has already been first-order validated as per ValidatePodTemplateSpec().
if spec.Template.Spec.RestartPolicy != api.RestartPolicyAlways {
allErrs = append(allErrs, errs.NewFieldValueNotSupported("template.spec.restartPolicy", spec.Template.Spec.RestartPolicy, []string{string(api.RestartPolicyAlways)}))
}
}
return allErrs
}
// ValidateDaemon tests if required fields in the daemon are set.
func ValidateDaemon(controller *api.Daemon) errs.ValidationErrorList {
allErrs := errs.ValidationErrorList{}
allErrs = append(allErrs, ValidateObjectMeta(&controller.ObjectMeta, true, ValidateReplicationControllerName).Prefix("metadata")...)
allErrs = append(allErrs, ValidateDaemonSpec(&controller.Spec).Prefix("spec")...)
return allErrs
}
// ValidateDaemonUpdate tests if required fields in the daemon are set.
func ValidateDaemonUpdate(oldController, controller *api.Daemon) errs.ValidationErrorList {
allErrs := errs.ValidationErrorList{}
allErrs = append(allErrs, ValidateObjectMetaUpdate(&controller.ObjectMeta, &oldController.ObjectMeta).Prefix("metadata")...)
allErrs = append(allErrs, ValidateDaemonSpec(&controller.Spec).Prefix("spec")...)
allErrs = append(allErrs, ValidateDaemonTemplateUpdate(oldController.Spec.Template, controller.Spec.Template).Prefix("spec.template")...)
return allErrs
}
// ValidateDaemonTemplateUpdate tests that certain fields in the daemon's pod template are not updated.
func ValidateDaemonTemplateUpdate(oldPodTemplate, podTemplate *api.PodTemplateSpec) errs.ValidationErrorList {
allErrs := errs.ValidationErrorList{}
podSpec := podTemplate.Spec
// podTemplate.Spec is not a pointer, so we can modify NodeSelector and NodeName directly.
podSpec.NodeSelector = oldPodTemplate.Spec.NodeSelector
podSpec.NodeName = oldPodTemplate.Spec.NodeName
// In particular, we do not allow updates to container images at this point.
if !api.Semantic.DeepEqual(oldPodTemplate.Spec, podSpec) {
// TODO: Pinpoint the specific field that causes the invalid error after we have strategic merge diff
allErrs = append(allErrs, errs.NewFieldInvalid("spec", "content of spec is not printed out, please refer to the \"details\"", "may not update fields other than spec.nodeSelector"))
}
return allErrs
}
// ValidateDaemonSpec tests if required fields in the daemon spec are set.
func ValidateDaemonSpec(spec *api.DaemonSpec) errs.ValidationErrorList {
allErrs := errs.ValidationErrorList{}
selector := labels.Set(spec.Selector).AsSelector()
if selector.Empty() {
allErrs = append(allErrs, errs.NewFieldRequired("selector"))
}
if spec.Template == nil {
allErrs = append(allErrs, errs.NewFieldRequired("template"))
} else {
labels := labels.Set(spec.Template.Labels)
if !selector.Matches(labels) {
allErrs = append(allErrs, errs.NewFieldInvalid("template.metadata.labels", spec.Template.Labels, "selector does not match template"))
}
allErrs = append(allErrs, ValidatePodTemplateSpec(spec.Template).Prefix("template")...)
// Daemons typically run on more than one node, so mark Read-Write persistent disks as invalid.
allErrs = append(allErrs, ValidateReadOnlyPersistentDisks(spec.Template.Spec.Volumes).Prefix("template.spec.volumes")...)
// RestartPolicy has already been first-order validated as per ValidatePodTemplateSpec().
if spec.Template.Spec.RestartPolicy != api.RestartPolicyAlways {
allErrs = append(allErrs, errs.NewFieldValueNotSupported("template.spec.restartPolicy", spec.Template.Spec.RestartPolicy, []string{string(api.RestartPolicyAlways)}))
@@ -1226,14 +1293,11 @@ func ValidateReplicationControllerSpec(spec *api.ReplicationControllerSpec) errs
}
// ValidatePodTemplateSpec validates the spec of a pod template
func ValidatePodTemplateSpec(spec *api.PodTemplateSpec, replicas int) errs.ValidationErrorList {
func ValidatePodTemplateSpec(spec *api.PodTemplateSpec) errs.ValidationErrorList {
allErrs := errs.ValidationErrorList{}
allErrs = append(allErrs, ValidateLabels(spec.Labels, "labels")...)
allErrs = append(allErrs, ValidateAnnotations(spec.Annotations, "annotations")...)
allErrs = append(allErrs, ValidatePodSpec(&spec.Spec).Prefix("spec")...)
if replicas > 1 {
allErrs = append(allErrs, ValidateReadOnlyPersistentDisks(spec.Spec.Volumes).Prefix("spec.volumes")...)
}
return allErrs
}