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[v2] Adding ScaledObject.Status Conditions (#750)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,133 @@ | ||
| package v1alpha1 | ||
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| import ( | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| ) | ||
|
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| type ConditionType string | ||
|
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| const ( | ||
| // ConditionReady specifies that the resource is ready. | ||
| // For long-running resources. | ||
| ConditionReady ConditionType = "Ready" | ||
| // ConditionActive specifies that the resource has finished. | ||
| // For resource which run to completion. | ||
| ConditionActive ConditionType = "Active" | ||
| ) | ||
|
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| type Condition struct { | ||
| // Type of condition | ||
| // +required | ||
| Type ConditionType `json:"type" description:"type of status condition"` | ||
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| // Status of the condition, one of True, False, Unknown. | ||
| // +required | ||
| Status metav1.ConditionStatus `json:"status" description:"status of the condition, one of True, False, Unknown"` | ||
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| // The reason for the condition's last transition. | ||
| // +optional | ||
| Reason string `json:"reason,omitempty" description:"one-word CamelCase reason for the condition's last transition"` | ||
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| // A human readable message indicating details about the transition. | ||
| // +optional | ||
| Message string `json:"message,omitempty" description:"human-readable message indicating details about last transition"` | ||
| } | ||
|
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| type Conditions []Condition | ||
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| // AreInitialized performs check all Conditions are initialized | ||
| // return true if Conditions are initialized | ||
| // return false if Conditions are not initialized | ||
| func (c *Conditions) AreInitialized() bool { | ||
| foundReady := false | ||
| foundActive := false | ||
| if *c != nil { | ||
| for _, condition := range *c { | ||
| if condition.Type == ConditionReady { | ||
| foundReady = true | ||
| break | ||
| } | ||
| } | ||
| for _, condition := range *c { | ||
| if condition.Type == ConditionActive { | ||
| foundActive = true | ||
| break | ||
| } | ||
| } | ||
| } | ||
|
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| return foundReady && foundActive | ||
| } | ||
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| // GetInitializedConditions returns Conditions initialized to the default -> Status: Unknown | ||
| func GetInitializedConditions() *Conditions { | ||
| return &Conditions{{Type: ConditionReady, Status: metav1.ConditionUnknown}, {Type: ConditionActive, Status: metav1.ConditionUnknown}} | ||
| } | ||
|
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| // IsTrue is true if the condition is True | ||
| func (c *Condition) IsTrue() bool { | ||
| if c == nil { | ||
| return false | ||
| } | ||
| return c.Status == metav1.ConditionTrue | ||
| } | ||
|
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| // IsFalse is true if the condition is False | ||
| func (c *Condition) IsFalse() bool { | ||
| if c == nil { | ||
| return false | ||
| } | ||
| return c.Status == metav1.ConditionFalse | ||
| } | ||
|
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| // IsUnknown is true if the condition is Unknown | ||
| func (c *Condition) IsUnknown() bool { | ||
| if c == nil { | ||
| return true | ||
| } | ||
| return c.Status == metav1.ConditionUnknown | ||
| } | ||
|
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| // SetReadyCondition modifies Ready Condition according to input parameters | ||
| func (c *Conditions) SetReadyCondition(status metav1.ConditionStatus, reason string, message string) { | ||
| if *c == nil { | ||
| c = GetInitializedConditions() | ||
| } | ||
| c.setCondition(ConditionReady, status, reason, message) | ||
| } | ||
|
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| // SetActiveCondition modifies Active Condition according to input parameters | ||
| func (c *Conditions) SetActiveCondition(status metav1.ConditionStatus, reason string, message string) { | ||
| if *c == nil { | ||
| c = GetInitializedConditions() | ||
| } | ||
| c.setCondition(ConditionActive, status, reason, message) | ||
| } | ||
|
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| // GetActiveCondition returns Condition of type Active | ||
| func (c *Conditions) GetActiveCondition() Condition { | ||
| if *c == nil { | ||
| c = GetInitializedConditions() | ||
| } | ||
| return c.getCondition(ConditionActive) | ||
| } | ||
|
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| func (c Conditions) getCondition(conditionType ConditionType) Condition { | ||
| for i := range c { | ||
| if c[i].Type == conditionType { | ||
| return c[i] | ||
| } | ||
| } | ||
| return Condition{} | ||
| } | ||
|
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| func (c Conditions) setCondition(conditionType ConditionType, status metav1.ConditionStatus, reason string, message string) { | ||
| for i := range c { | ||
| if c[i].Type == conditionType { | ||
| c[i].Status = status | ||
| c[i].Reason = reason | ||
| c[i].Message = message | ||
| break | ||
| } | ||
| } | ||
| } |
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