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120 lines
3.2 KiB
Go
120 lines
3.2 KiB
Go
/*
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Copyright 2020 The Flux CD contributors.
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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 main
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import (
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"context"
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"fmt"
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"github.com/fluxcd/pkg/apis/meta"
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"github.com/fluxcd/toolkit/internal/utils"
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"github.com/spf13/cobra"
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corev1 "k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/types"
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"k8s.io/apimachinery/pkg/util/wait"
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"sigs.k8s.io/controller-runtime/pkg/client"
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helmv2 "github.com/fluxcd/helm-controller/api/v2beta1"
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)
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var resumeHrCmd = &cobra.Command{
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Use: "helmrelease [name]",
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Aliases: []string{"hr"},
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Short: "Resume a suspended HelmRelease",
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Long: `The resume command marks a previously suspended HelmRelease resource for reconciliation and waits for it to
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finish the apply.`,
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Example: ` # Resume reconciliation for an existing Helm release
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gotk resume hr podinfo
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`,
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RunE: resumeHrCmdRun,
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}
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func init() {
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resumeCmd.AddCommand(resumeHrCmd)
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}
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func resumeHrCmdRun(cmd *cobra.Command, args []string) error {
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if len(args) < 1 {
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return fmt.Errorf("HelmRelease name is required")
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}
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name := args[0]
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ctx, cancel := context.WithTimeout(context.Background(), timeout)
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defer cancel()
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kubeClient, err := utils.KubeClient(kubeconfig)
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if err != nil {
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return err
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}
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namespacedName := types.NamespacedName{
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Namespace: namespace,
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Name: name,
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}
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var helmRelease helmv2.HelmRelease
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err = kubeClient.Get(ctx, namespacedName, &helmRelease)
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if err != nil {
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return err
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}
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logger.Actionf("resuming HelmRelease %s in %s namespace", name, namespace)
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helmRelease.Spec.Suspend = false
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if err := kubeClient.Update(ctx, &helmRelease); err != nil {
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return err
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}
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logger.Successf("HelmRelease resumed")
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logger.Waitingf("waiting for HelmRelease reconciliation")
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if err := wait.PollImmediate(pollInterval, timeout,
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isHelmReleaseResumed(ctx, kubeClient, namespacedName, &helmRelease)); err != nil {
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return err
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}
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logger.Successf("HelmRelease reconciliation completed")
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logger.Successf("applied revision %s", helmRelease.Status.LastAppliedRevision)
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return nil
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}
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func isHelmReleaseResumed(ctx context.Context, kubeClient client.Client,
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namespacedName types.NamespacedName, helmRelease *helmv2.HelmRelease) wait.ConditionFunc {
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return func() (bool, error) {
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err := kubeClient.Get(ctx, namespacedName, helmRelease)
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if err != nil {
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return false, err
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}
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// Confirm the state we are observing is for the current generation
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if helmRelease.Generation != helmRelease.Status.ObservedGeneration {
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return false, err
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}
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if c := meta.GetCondition(helmRelease.Status.Conditions, meta.ReadyCondition); c != nil {
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switch c.Status {
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case corev1.ConditionTrue:
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return true, nil
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case corev1.ConditionFalse:
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if c.Reason == meta.SuspendedReason {
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return false, nil
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}
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return false, fmt.Errorf(c.Message)
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}
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}
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return false, nil
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}
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}
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