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117 lines
3.4 KiB
117 lines
3.4 KiB
/*
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Copyright The Helm 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 kube // import "helm.sh/helm/v3/pkg/kube"
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import (
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"context"
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"errors"
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"fmt"
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"time"
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appsv1 "k8s.io/api/apps/v1"
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batchv1 "k8s.io/api/batch/v1"
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"k8s.io/apimachinery/pkg/runtime"
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"sigs.k8s.io/cli-utils/pkg/kstatus/polling/aggregator"
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"sigs.k8s.io/cli-utils/pkg/kstatus/polling/collector"
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"sigs.k8s.io/cli-utils/pkg/kstatus/polling/event"
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"sigs.k8s.io/cli-utils/pkg/kstatus/status"
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"sigs.k8s.io/cli-utils/pkg/kstatus/watcher"
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"sigs.k8s.io/cli-utils/pkg/object"
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)
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type kstatusWaiter struct {
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sw watcher.StatusWatcher
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log func(string, ...interface{})
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pausedAsReady bool
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}
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func (w *kstatusWaiter) Wait(resourceList ResourceList, timeout time.Duration) error {
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return w.wait(resourceList, timeout, false)
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}
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func (w *kstatusWaiter) WaitWithJobs(resourceList ResourceList, timeout time.Duration) error {
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return w.wait(resourceList, timeout, true)
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}
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func (w *kstatusWaiter) wait(resourceList ResourceList, timeout time.Duration, waitForJobs bool) error {
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ctx, cancel := context.WithTimeout(context.TODO(), timeout)
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defer cancel()
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cancelCtx, cancel := context.WithCancel(ctx)
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defer cancel()
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// TODO maybe a simpler way to transfer the objects
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runtimeObjs := []runtime.Object{}
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for _, resource := range resourceList {
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switch value := AsVersioned(resource).(type) {
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case *batchv1.Job:
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if !waitForJobs {
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continue
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}
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case *appsv1.Deployment:
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if w.pausedAsReady && value.Spec.Paused {
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continue
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}
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}
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runtimeObjs = append(runtimeObjs, resource.Object)
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}
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resources := []object.ObjMetadata{}
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for _, runtimeObj := range runtimeObjs {
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obj, err := object.RuntimeToObjMeta(runtimeObj)
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if err != nil {
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return err
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}
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resources = append(resources, obj)
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}
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eventCh := w.sw.Watch(cancelCtx, resources, watcher.Options{})
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statusCollector := collector.NewResourceStatusCollector(resources)
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done := statusCollector.ListenWithObserver(eventCh, collector.ObserverFunc(
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func(statusCollector *collector.ResourceStatusCollector, _ event.Event) {
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rss := []*event.ResourceStatus{}
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for _, rs := range statusCollector.ResourceStatuses {
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if rs == nil {
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continue
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}
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rss = append(rss, rs)
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}
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desired := status.CurrentStatus
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if aggregator.AggregateStatus(rss, desired) == desired {
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cancel()
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return
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}
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}),
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)
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<-done
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if statusCollector.Error != nil {
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return statusCollector.Error
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}
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// Only check parent context error, otherwise we would error when desired status is achieved.
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if ctx.Err() != nil {
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errs := []error{}
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for _, id := range resources {
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rs := statusCollector.ResourceStatuses[id]
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if rs.Status == status.CurrentStatus {
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continue
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}
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errs = append(errs, fmt.Errorf("%s: %s not ready, status: %s", rs.Identifier.Name, rs.Identifier.GroupKind.Kind, rs.Status))
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}
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errs = append(errs, ctx.Err())
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return errors.Join(errs...)
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}
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return nil
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}
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