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Moved api pkg from eventing-controller (#260)
* Moved api pkg from eventing-controller * updated samples * Fix failing tests * Delete external CRD folder * Revert 02-configuration.md doc --------- Co-authored-by: Mansur Uralov <[email protected]>
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Original file line number | Diff line number | Diff line change |
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package v1alpha1 | ||
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import ( | ||
"fmt" | ||
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corev1 "k8s.io/api/core/v1" | ||
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
) | ||
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type ConditionType string | ||
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const ( | ||
ConditionSubscribed ConditionType = "Subscribed" | ||
ConditionSubscriptionActive ConditionType = "Subscription active" | ||
ConditionAPIRuleStatus ConditionType = "APIRule status" | ||
ConditionWebhookCallStatus ConditionType = "Webhook call status" | ||
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ConditionPublisherProxyReady ConditionType = "Publisher Proxy Ready" | ||
ConditionControllerReady ConditionType = "Subscription Controller Ready" | ||
) | ||
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var allSubscriptionConditions = MakeSubscriptionConditions() | ||
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type Condition struct { | ||
// Short description of the condition. | ||
Type ConditionType `json:"type,omitempty"` | ||
// Status of the condition. The value is either `True`, `False`, or `Unknown`. | ||
Status corev1.ConditionStatus `json:"status"` | ||
// Defines the date of the last condition status change. | ||
LastTransitionTime metav1.Time `json:"lastTransitionTime,omitempty"` | ||
// Defines the reason for the condition status change. | ||
Reason ConditionReason `json:"reason,omitempty"` | ||
// Provides more details about the condition status change. | ||
Message string `json:"message,omitempty"` | ||
} | ||
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type ConditionReason string | ||
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const ( | ||
// BEB Conditions. | ||
ConditionReasonSubscriptionActive ConditionReason = "BEB Subscription active" | ||
ConditionReasonSubscriptionNotActive ConditionReason = "BEB Subscription not active" | ||
ConditionReasonSubscriptionDeleted ConditionReason = "BEB Subscription deleted" | ||
ConditionReasonAPIRuleStatusReady ConditionReason = "APIRule status ready" | ||
ConditionReasonAPIRuleStatusNotReady ConditionReason = "APIRule status not ready" | ||
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// Common backend Conditions. | ||
ConditionReasonSubscriptionControllerReady ConditionReason = "Subscription controller started" | ||
ConditionReasonSubscriptionControllerNotReady ConditionReason = "Subscription controller not ready" | ||
ConditionReasonPublisherDeploymentReady ConditionReason = "Publisher proxy deployment ready" | ||
ConditionReasonPublisherDeploymentNotReady ConditionReason = "Publisher proxy deployment not ready" | ||
) | ||
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// initializeConditions sets unset conditions to Unknown. | ||
func initializeConditions(initialConditions, currentConditions []Condition) []Condition { | ||
givenConditions := make(map[ConditionType]Condition) | ||
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// create map of Condition per ConditionType | ||
for _, condition := range currentConditions { | ||
givenConditions[condition.Type] = condition | ||
} | ||
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finalConditions := currentConditions | ||
// check if every Condition is present in the current Conditions | ||
for _, expectedCondition := range initialConditions { | ||
if _, ok := givenConditions[expectedCondition.Type]; !ok { | ||
// and add it if it is missing | ||
finalConditions = append(finalConditions, expectedCondition) | ||
} | ||
} | ||
return finalConditions | ||
} | ||
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// InitializeConditions sets unset Subscription conditions to Unknown. | ||
func (s *SubscriptionStatus) InitializeConditions() { | ||
initialConditions := MakeSubscriptionConditions() | ||
s.Conditions = initializeConditions(initialConditions, s.Conditions) | ||
} | ||
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func (s SubscriptionStatus) IsReady() bool { | ||
if !ContainSameConditionTypes(allSubscriptionConditions, s.Conditions) { | ||
return false | ||
} | ||
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// the subscription is ready if all its conditions are evaluated to true | ||
for _, c := range s.Conditions { | ||
if c.Status != corev1.ConditionTrue { | ||
return false | ||
} | ||
} | ||
return true | ||
} | ||
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func (s SubscriptionStatus) FindCondition(conditionType ConditionType) *Condition { | ||
for _, condition := range s.Conditions { | ||
if conditionType == condition.Type { | ||
return &condition | ||
} | ||
} | ||
return nil | ||
} | ||
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// ShouldUpdateReadyStatus checks if there is a mismatch between the | ||
// subscription Ready Status and the Ready status of all the conditions. | ||
func (s SubscriptionStatus) ShouldUpdateReadyStatus() bool { | ||
if !s.Ready && s.IsReady() || s.Ready && !s.IsReady() { | ||
return true | ||
} | ||
return false | ||
} | ||
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// MakeSubscriptionConditions creates a map of all conditions which the Subscription should have. | ||
func MakeSubscriptionConditions() []Condition { | ||
conditions := []Condition{ | ||
{ | ||
Type: ConditionAPIRuleStatus, | ||
LastTransitionTime: metav1.Now(), | ||
Status: corev1.ConditionUnknown, | ||
}, | ||
{ | ||
Type: ConditionSubscribed, | ||
LastTransitionTime: metav1.Now(), | ||
Status: corev1.ConditionUnknown, | ||
}, | ||
{ | ||
Type: ConditionSubscriptionActive, | ||
LastTransitionTime: metav1.Now(), | ||
Status: corev1.ConditionUnknown, | ||
}, | ||
{ | ||
Type: ConditionWebhookCallStatus, | ||
LastTransitionTime: metav1.Now(), | ||
Status: corev1.ConditionUnknown, | ||
}, | ||
} | ||
return conditions | ||
} | ||
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func ContainSameConditionTypes(conditions1, conditions2 []Condition) bool { | ||
if len(conditions1) != len(conditions2) { | ||
return false | ||
} | ||
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for _, condition := range conditions1 { | ||
if !containConditionType(conditions2, condition.Type) { | ||
return false | ||
} | ||
} | ||
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return true | ||
} | ||
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func containConditionType(conditions []Condition, conditionType ConditionType) bool { | ||
for _, condition := range conditions { | ||
if condition.Type == conditionType { | ||
return true | ||
} | ||
} | ||
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return false | ||
} | ||
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func MakeCondition(conditionType ConditionType, reason ConditionReason, status corev1.ConditionStatus, message string) Condition { | ||
return Condition{ | ||
Type: conditionType, | ||
Status: status, | ||
LastTransitionTime: metav1.Now(), | ||
Reason: reason, | ||
// TODO: https://github.com/kyma-project/kyma/issues/9770 | ||
Message: message, | ||
} | ||
} | ||
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func (s *SubscriptionStatus) IsConditionSubscribed() bool { | ||
for _, condition := range s.Conditions { | ||
if condition.Type == ConditionSubscribed && condition.Status == corev1.ConditionTrue { | ||
return true | ||
} | ||
} | ||
return false | ||
} | ||
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func (s *SubscriptionStatus) IsConditionWebhookCall() bool { | ||
for _, condition := range s.Conditions { | ||
if condition.Type == ConditionWebhookCallStatus && | ||
(condition.Status == corev1.ConditionTrue || condition.Status == corev1.ConditionUnknown) { | ||
return true | ||
} | ||
} | ||
return false | ||
} | ||
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func (s *SubscriptionStatus) GetConditionAPIRuleStatus() corev1.ConditionStatus { | ||
for _, condition := range s.Conditions { | ||
if condition.Type == ConditionAPIRuleStatus { | ||
return condition.Status | ||
} | ||
} | ||
return corev1.ConditionUnknown | ||
} | ||
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func (s *SubscriptionStatus) SetConditionAPIRuleStatus(err error) { | ||
reason := ConditionReasonAPIRuleStatusReady | ||
status := corev1.ConditionTrue | ||
message := "" | ||
if err != nil { | ||
reason = ConditionReasonAPIRuleStatusNotReady | ||
status = corev1.ConditionFalse | ||
message = err.Error() | ||
} | ||
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newConditions := []Condition{MakeCondition(ConditionAPIRuleStatus, reason, status, message)} | ||
for _, condition := range s.Conditions { | ||
if condition.Type == ConditionAPIRuleStatus { | ||
continue | ||
} | ||
newConditions = append(newConditions, condition) | ||
} | ||
s.Conditions = newConditions | ||
} | ||
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func CreateMessageForConditionReasonSubscriptionCreated(bebName string) string { | ||
return fmt.Sprintf("BEB-subscription-name=%s", bebName) | ||
} | ||
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// ConditionsEquals checks if two list of conditions are equal. | ||
func ConditionsEquals(existing, expected []Condition) bool { | ||
// not equal if length is different | ||
if len(existing) != len(expected) { | ||
return false | ||
} | ||
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// compile map of Conditions per ConditionType | ||
existingMap := make(map[ConditionType]Condition, len(existing)) | ||
for _, value := range existing { | ||
existingMap[value.Type] = value | ||
} | ||
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for _, value := range expected { | ||
if !ConditionEquals(existingMap[value.Type], value) { | ||
return false | ||
} | ||
} | ||
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return true | ||
} | ||
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// ConditionEquals checks if two conditions are equal. | ||
func ConditionEquals(existing, expected Condition) bool { | ||
isTypeEqual := existing.Type == expected.Type | ||
isStatusEqual := existing.Status == expected.Status | ||
isReasonEqual := existing.Reason == expected.Reason | ||
isMessageEqual := existing.Message == expected.Message | ||
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if !isStatusEqual || !isReasonEqual || !isMessageEqual || !isTypeEqual { | ||
return false | ||
} | ||
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return true | ||
} |
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