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MAISTRA-2518 add conditions to federation status
Signed-off-by: rcernich <[email protected]>
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| Original file line number | Diff line number | Diff line change |
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| // Copyright Red Hat, Inc. | ||
| // | ||
| // 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 v1 | ||
|
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||
| import ( | ||
| "time" | ||
|
|
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| corev1 "k8s.io/api/core/v1" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| ) | ||
|
|
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| type StatusConditions struct { | ||
| // Represents the latest available observations of a federation's current state. | ||
| // +optional | ||
| // +patchMergeKey=type | ||
| // +patchStrategy=merge | ||
| Conditions []Condition `json:"conditions,omitempty" patchStrategy:"merge" patchMergeKey:"type" protobuf:"bytes,10,rep,name=conditions"` | ||
| } | ||
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| type ConditionType string | ||
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| const ( | ||
| // Connected indicates that one or more instances of istiod are currently | ||
| // connected to the remote mesh. | ||
| ConnectedServiceMeshPeerCondition ConditionType = "Connected" | ||
| // Degraded indicates that one or more instances of istiod are currently | ||
| // not connected to the remote mesh. | ||
| DegradedServiceMeshPeerCondition ConditionType = "Degraded" | ||
| // Serving indicates that one or more instances of istiod is currently | ||
| // serving discovery information to a remote mesh. | ||
| ServingServiceMeshPeerCondition ConditionType = "Degraded" | ||
| // Ready indicates that all instances of istiod are connected to the remote | ||
| // mesh. | ||
| ReadyServiceMeshPeerCondition ConditionType = "Ready" | ||
| // Exporting indicates that the mesh is exporting services to the remote | ||
| // mesh. | ||
| ExportingExportedServiceSetCondition ConditionType = "Exporting" | ||
| // Importing indicates that the mesh is importing services from the remote | ||
| // mesh. | ||
| ImportingImportedServiceSetCondition ConditionType = "Importing" | ||
| ) | ||
|
|
||
| const ( | ||
| ConnectedConditionReason = "Connected" | ||
| NotConnectedConditionReason = "NotConnected" | ||
| DegradedConditionReason = "Degraded" | ||
| NotDegradedConditionReason = "NotDegraded" | ||
| ServingConditionReason = "Serving" | ||
| NotServingConditionReason = "NotServing" | ||
| ReadyConditionReason = "Ready" | ||
| NotReadyConditionReason = "NotReady" | ||
| ExportingConditionReason = "Exporting" | ||
| NoRulesMatchedConditionReason = "NoRulesMatched" | ||
| NoRulesDefinedConditionReason = "NoRulesDefined" | ||
| ImportingConditionReason = "Importing" | ||
| NoExportedServicesConditionReason = "NoExportedServices" | ||
| ) | ||
|
|
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| // Condition describes the state of a federation at a certain point. | ||
| type Condition struct { | ||
| // Type of federation condition. | ||
| Type ConditionType `json:"type"` | ||
| // Status of the condition, one of True, False, Unknown. | ||
| Status corev1.ConditionStatus `json:"status"` | ||
| // Last time the condition transitioned from one status to another. | ||
| // +optional | ||
| LastTransitionTime metav1.Time `json:"lastTransitionTime,omitempty"` | ||
| // The reason for the condition's last transition. | ||
| // +optional | ||
| Reason string `json:"reason,omitempty"` | ||
| // A human readable message indicating details about the transition. | ||
| // +optional | ||
| Message string `json:"message,omitempty"` | ||
| } | ||
|
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| // GetCondition removes a condition for the list of conditions | ||
| func (s *StatusConditions) GetCondition(conditionType ConditionType) Condition { | ||
| if s == nil { | ||
| return Condition{Type: conditionType, Status: corev1.ConditionUnknown} | ||
| } | ||
| for i := range s.Conditions { | ||
| if s.Conditions[i].Type == conditionType { | ||
| return s.Conditions[i] | ||
| } | ||
| } | ||
| return Condition{Type: conditionType, Status: corev1.ConditionUnknown} | ||
| } | ||
|
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| // SetCondition sets a specific condition in the list of conditions | ||
| func (s *StatusConditions) SetCondition(condition Condition) *StatusConditions { | ||
| if s == nil { | ||
| return nil | ||
| } | ||
| // These only get 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. | ||
| now := metav1.NewTime(time.Now().Truncate(time.Second)) | ||
| for i, prevCondition := range s.Conditions { | ||
| if prevCondition.Type == condition.Type { | ||
| if prevCondition.Status != condition.Status { | ||
| condition.LastTransitionTime = now | ||
| } else { | ||
| condition.LastTransitionTime = prevCondition.LastTransitionTime | ||
| } | ||
| s.Conditions[i] = condition | ||
| return s | ||
| } | ||
| } | ||
|
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| // If the condition does not exist, | ||
| // initialize the lastTransitionTime | ||
| condition.LastTransitionTime = now | ||
| s.Conditions = append(s.Conditions, condition) | ||
| return s | ||
| } | ||
|
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| // RemoveCondition removes a condition for the list of conditions | ||
| func (s *StatusConditions) RemoveCondition(conditionType ConditionType) *StatusConditions { | ||
| if s == nil { | ||
| return nil | ||
| } | ||
| for i := range s.Conditions { | ||
| if s.Conditions[i].Type == conditionType { | ||
| s.Conditions = append(s.Conditions[:i], s.Conditions[i+1:]...) | ||
| return s | ||
| } | ||
| } | ||
| return s | ||
| } |
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