mirror of https://github.com/knative/caching.git
56 lines
1.9 KiB
Go
56 lines
1.9 KiB
Go
/*
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Copyright 2020 The Knative 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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https://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 reconciler
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import (
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"context"
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duckv1 "knative.dev/pkg/apis/duck/v1"
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"knative.dev/pkg/logging"
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)
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const failedGenerationBump = "NewObservedGenFailure"
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// PreProcessReconcile contains logic to apply before reconciliation of a resource.
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func PreProcessReconcile(ctx context.Context, resource duckv1.KRShaped) {
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newStatus := resource.GetStatus()
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if newStatus.ObservedGeneration != resource.GetGeneration() {
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condSet := resource.GetConditionSet()
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manager := condSet.Manage(newStatus)
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// Reset Ready/Successful to unknown. The reconciler is expected to overwrite this.
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manager.MarkUnknown(condSet.GetTopLevelConditionType(), failedGenerationBump, "unsuccessfully observed a new generation")
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}
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}
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// PostProcessReconcile contains logic to apply after reconciliation of a resource.
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func PostProcessReconcile(ctx context.Context, resource duckv1.KRShaped) {
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logger := logging.FromContext(ctx)
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newStatus := resource.GetStatus()
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mgr := resource.GetConditionSet().Manage(newStatus)
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// Bump observed generation to denote that we have processed this
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// generation regardless of success or failure.
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newStatus.ObservedGeneration = resource.GetGeneration()
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rc := mgr.GetTopLevelCondition()
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if rc.Reason == failedGenerationBump {
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logger.Warn("A reconciler observed a new generation without updating the resource status")
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}
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}
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