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| Original file line number | Diff line number | Diff line change |
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| // Copyright Istio Authors | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
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| package v1alpha1 | ||
|
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| import ( | ||
| "time" | ||
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| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| ) | ||
|
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| const ( | ||
| IstioRevisionTagKind = "IstioRevisionTag" | ||
| DefaultRevisionTag = "default" | ||
| ) | ||
|
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| // IstioRevisionTagSpec defines the desired state of IstioRevisionTag | ||
| type IstioRevisionTagSpec struct { | ||
| // +kubebuilder:validation:Required | ||
| TargetRef IstioRevisionTagTargetReference `json:"targetRef"` | ||
| } | ||
|
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| // IstioRevisionTagTargetReference can reference either Istio or IstioRevision objects in the cluster. | ||
| type IstioRevisionTagTargetReference struct { | ||
| // Kind is the kind of the target resource. | ||
| // | ||
| // +kubebuilder:validation:MinLength=1 | ||
| // +kubebuilder:validation:MaxLength=253 | ||
| // +kubebuilder:validation:Required | ||
| Kind string `json:"kind"` | ||
|
|
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| // Name is the name of the target resource. | ||
| // | ||
| // +kubebuilder:validation:MinLength=1 | ||
| // +kubebuilder:validation:MaxLength=253 | ||
| // +kubebuilder:validation:Required | ||
| Name string `json:"name"` | ||
| } | ||
|
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| // IstioRevisionStatus defines the observed state of IstioRevision | ||
| type IstioRevisionTagStatus struct { | ||
| // ObservedGeneration is the most recent generation observed for this | ||
| // IstioRevisionTag object. It corresponds to the object's generation, which is | ||
| // updated on mutation by the API Server. The information in the status | ||
| // pertains to this particular generation of the object. | ||
| ObservedGeneration int64 `json:"observedGeneration,omitempty"` | ||
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| // Represents the latest available observations of the object's current state. | ||
| Conditions []IstioRevisionTagCondition `json:"conditions,omitempty"` | ||
|
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| // Reports the current state of the object. | ||
| State IstioRevisionTagConditionReason `json:"state,omitempty"` | ||
|
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| // IstiodNamespace stores the namespace of the corresponding Istiod instance | ||
| IstiodNamespace string `json:"istiodNamespace"` | ||
|
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| // IstioRevision stores the name of the referenced IstioRevision | ||
| IstioRevision string `json:"istioRevision"` | ||
| } | ||
|
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| // GetCondition returns the condition of the specified type | ||
| func (s *IstioRevisionTagStatus) GetCondition(conditionType IstioRevisionTagConditionType) IstioRevisionTagCondition { | ||
| if s != nil { | ||
| for i := range s.Conditions { | ||
| if s.Conditions[i].Type == conditionType { | ||
| return s.Conditions[i] | ||
| } | ||
| } | ||
| } | ||
| return IstioRevisionTagCondition{Type: conditionType, Status: metav1.ConditionUnknown} | ||
| } | ||
|
|
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| // SetCondition sets a specific condition in the list of conditions | ||
| func (s *IstioRevisionTagStatus) SetCondition(condition IstioRevisionTagCondition) { | ||
| var now time.Time | ||
| if testTime == nil { | ||
| now = time.Now() | ||
| } else { | ||
| now = *testTime | ||
| } | ||
|
|
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| // The lastTransitionTime only gets serialized out to the second. This can | ||
| // break update skipping, as the time in the resource returned from the client | ||
| // may not match the time in our cached status during a reconcile. We truncate | ||
| // here to save any problems down the line. | ||
| lastTransitionTime := metav1.NewTime(now.Truncate(time.Second)) | ||
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| for i, prevCondition := range s.Conditions { | ||
| if prevCondition.Type == condition.Type { | ||
| if prevCondition.Status != condition.Status { | ||
| condition.LastTransitionTime = lastTransitionTime | ||
| } else { | ||
| condition.LastTransitionTime = prevCondition.LastTransitionTime | ||
| } | ||
| s.Conditions[i] = condition | ||
| return | ||
| } | ||
| } | ||
|
|
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| // If the condition does not exist, initialize the lastTransitionTime | ||
| condition.LastTransitionTime = lastTransitionTime | ||
| s.Conditions = append(s.Conditions, condition) | ||
| } | ||
|
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| // IstioRevisionCondition represents a specific observation of the IstioRevision object's state. | ||
| type IstioRevisionTagCondition struct { | ||
| // The type of this condition. | ||
| Type IstioRevisionTagConditionType `json:"type,omitempty"` | ||
|
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| // The status of this condition. Can be True, False or Unknown. | ||
| Status metav1.ConditionStatus `json:"status,omitempty"` | ||
|
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| // Unique, single-word, CamelCase reason for the condition's last transition. | ||
| Reason IstioRevisionTagConditionReason `json:"reason,omitempty"` | ||
|
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| // Human-readable message indicating details about the last transition. | ||
| Message string `json:"message,omitempty"` | ||
|
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| // Last time the condition transitioned from one status to another. | ||
| LastTransitionTime metav1.Time `json:"lastTransitionTime,omitempty"` | ||
| } | ||
|
|
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| // IstioRevisionConditionType represents the type of the condition. Condition stages are: | ||
| // Installed, Reconciled, Ready | ||
| type IstioRevisionTagConditionType string | ||
|
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| // IstioRevisionConditionReason represents a short message indicating how the condition came | ||
| // to be in its present state. | ||
| type IstioRevisionTagConditionReason string | ||
|
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| const ( | ||
| // IstioRevisionConditionReconciled signifies whether the controller has | ||
| // successfully reconciled the resources defined through the CR. | ||
| IstioRevisionTagConditionReconciled IstioRevisionTagConditionType = "Reconciled" | ||
|
|
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| // IstioRevisionTagNameAlreadyExists indicates that the a revision with the same name as the IstioRevisionTag already exists. | ||
| IstioRevisionTagReasonNameAlreadyExists IstioRevisionTagConditionReason = "NameAlreadyExists" | ||
|
|
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| // IstioRevisionTagReasonReferenceNotFound indicates that the resource referenced by the tag's TargetRef was not found | ||
| IstioRevisionTagReasonReferenceNotFound IstioRevisionTagConditionReason = "RefNotFound" | ||
|
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| // IstioRevisionReasonReconcileError indicates that the reconciliation of the resource has failed, but will be retried. | ||
| IstioRevisionTagReasonReconcileError IstioRevisionTagConditionReason = "ReconcileError" | ||
| ) | ||
|
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| const ( | ||
| // IstioRevisionConditionInUse signifies whether any workload is configured to use the revision. | ||
| IstioRevisionTagConditionInUse IstioRevisionTagConditionType = "InUse" | ||
|
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| // IstioRevisionReasonReferencedByWorkloads indicates that the revision is referenced by at least one pod or namespace. | ||
| IstioRevisionTagReasonReferencedByWorkloads IstioRevisionTagConditionReason = "ReferencedByWorkloads" | ||
|
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| // IstioRevisionReasonNotReferenced indicates that the revision is not referenced by any pod or namespace. | ||
| IstioRevisionTagReasonNotReferenced IstioRevisionTagConditionReason = "NotReferencedByAnything" | ||
|
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| // IstioRevisionReasonUsageCheckFailed indicates that the operator could not check whether any workloads use the revision. | ||
| IstioRevisionTagReasonUsageCheckFailed IstioRevisionTagConditionReason = "UsageCheckFailed" | ||
| ) | ||
|
|
||
| const ( | ||
| // IstioRevisionTagReasonHealthy indicates that the revision tag has been successfully reconciled and is in use. | ||
| IstioRevisionTagReasonHealthy IstioRevisionTagConditionReason = "Healthy" | ||
| ) | ||
|
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| // +kubebuilder:object:root=true | ||
| // +kubebuilder:resource:scope=Cluster,shortName=istiorevtag,categories=istio-io | ||
| // +kubebuilder:subresource:status | ||
| // +kubebuilder:printcolumn:name="Status",type="string",JSONPath=".status.state",description="The current state of this object." | ||
| // +kubebuilder:printcolumn:name="In use",type="string",JSONPath=".status.conditions[?(@.type==\"InUse\")].status",description="Whether the tag is being used by workloads." | ||
| // +kubebuilder:printcolumn:name="Revision",type="string",JSONPath=".status.istioRevision",description="The IstioRevision this object is referencing." | ||
| // +kubebuilder:printcolumn:name="Age",type="date",JSONPath=".metadata.creationTimestamp",description="The age of the object" | ||
|
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| // IstioRevisionTag references a Istio or IstioRevision object and serves as an alias for sidecar injection. | ||
| type IstioRevisionTag struct { | ||
| metav1.TypeMeta `json:",inline"` | ||
| metav1.ObjectMeta `json:"metadata,omitempty"` | ||
|
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| Spec IstioRevisionTagSpec `json:"spec,omitempty"` | ||
| Status IstioRevisionTagStatus `json:"status,omitempty"` | ||
| } | ||
|
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| // +kubebuilder:object:root=true | ||
|
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| // IstioRevisionList contains a list of IstioRevision | ||
| type IstioRevisionTagList struct { | ||
| metav1.TypeMeta `json:",inline"` | ||
| metav1.ListMeta `json:"metadata,omitempty"` | ||
| Items []IstioRevisionTag `json:"items"` | ||
| } | ||
|
|
||
| func init() { | ||
| SchemeBuilder.Register(&IstioRevisionTag{}, &IstioRevisionTagList{}) | ||
| } |
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