85 lines
3.6 KiB
Go
85 lines
3.6 KiB
Go
/*
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Copyright 2023 The Flux authors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package v2beta2
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import "github.com/fluxcd/pkg/apis/meta"
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const (
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// ForceRequestAnnotation is the annotation used for triggering a one-off forced
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// Helm release, even when there are no new changes in the HelmRelease.
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// The value is interpreted as a token, and must equal the value of
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// meta.ReconcileRequestAnnotation in order to trigger a release.
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ForceRequestAnnotation string = "reconcile.fluxcd.io/forceAt"
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// ResetRequestAnnotation is the annotation used for resetting the failure counts
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// of a HelmRelease, so that it can be retried again.
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// The value is interpreted as a token, and must equal the value of
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// meta.ReconcileRequestAnnotation in order to reset the failure counts.
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ResetRequestAnnotation string = "reconcile.fluxcd.io/resetAt"
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)
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// ShouldHandleResetRequest returns true if the HelmRelease has a reset request
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// annotation, and the value of the annotation matches the value of the
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// meta.ReconcileRequestAnnotation annotation.
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//
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// To ensure that the reset request is handled only once, the value of
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// HelmReleaseStatus.LastHandledResetAt is updated to match the value of the
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// reset request annotation (even if the reset request is not handled because
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// the value of the meta.ReconcileRequestAnnotation annotation does not match).
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func ShouldHandleResetRequest(obj *HelmRelease) bool {
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return handleRequest(obj, ResetRequestAnnotation, &obj.Status.LastHandledResetAt)
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}
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// ShouldHandleForceRequest returns true if the HelmRelease has a force request
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// annotation, and the value of the annotation matches the value of the
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// meta.ReconcileRequestAnnotation annotation.
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//
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// To ensure that the force request is handled only once, the value of
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// HelmReleaseStatus.LastHandledForceAt is updated to match the value of the
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// force request annotation (even if the force request is not handled because
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// the value of the meta.ReconcileRequestAnnotation annotation does not match).
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func ShouldHandleForceRequest(obj *HelmRelease) bool {
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return handleRequest(obj, ForceRequestAnnotation, &obj.Status.LastHandledForceAt)
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}
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// handleRequest returns true if the HelmRelease has a request annotation, and
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// the value of the annotation matches the value of the meta.ReconcileRequestAnnotation
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// annotation.
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//
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// The lastHandled argument is used to ensure that the request is handled only
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// once, and is updated to match the value of the request annotation (even if
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// the request is not handled because the value of the meta.ReconcileRequestAnnotation
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// annotation does not match).
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func handleRequest(obj *HelmRelease, annotation string, lastHandled *string) bool {
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requestAt, requestOk := obj.GetAnnotations()[annotation]
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reconcileAt, reconcileOk := meta.ReconcileAnnotationValue(obj.GetAnnotations())
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var lastHandledRequest string
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if requestOk {
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lastHandledRequest = *lastHandled
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*lastHandled = requestAt
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}
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if requestOk && reconcileOk && requestAt == reconcileAt {
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lastHandledReconcile := obj.Status.GetLastHandledReconcileRequest()
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if lastHandledReconcile != reconcileAt && lastHandledRequest != requestAt {
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return true
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}
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}
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return false
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}
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