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117 lines
3.4 KiB
Go
117 lines
3.4 KiB
Go
/*
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Copyright 2020 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 main
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import (
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"context"
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"fmt"
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"github.com/fluxcd/flux2/internal/utils"
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"github.com/fluxcd/pkg/apis/meta"
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kustomizev1 "github.com/fluxcd/kustomize-controller/api/v1beta1"
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"github.com/spf13/cobra"
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apimeta "k8s.io/apimachinery/pkg/api/meta"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/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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)
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var resumeKsCmd = &cobra.Command{
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Use: "kustomization [name]",
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Aliases: []string{"ks"},
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Short: "Resume a suspended Kustomization",
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Long: `The resume command marks a previously suspended Kustomization 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 Kustomization
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flux resume ks podinfo
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`,
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RunE: resumeKsCmdRun,
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}
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func init() {
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resumeCmd.AddCommand(resumeKsCmd)
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}
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func resumeKsCmdRun(cmd *cobra.Command, args []string) error {
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if len(args) < 1 {
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return fmt.Errorf("Kustomization name is required")
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}
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name := args[0]
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ctx, cancel := context.WithTimeout(context.Background(), rootArgs.timeout)
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defer cancel()
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kubeClient, err := utils.KubeClient(rootArgs.kubeconfig, rootArgs.kubecontext)
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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: rootArgs.namespace,
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Name: name,
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}
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var kustomization kustomizev1.Kustomization
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err = kubeClient.Get(ctx, namespacedName, &kustomization)
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if err != nil {
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return err
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}
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logger.Actionf("resuming Kustomization %s in %s namespace", name, rootArgs.namespace)
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kustomization.Spec.Suspend = false
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if err := kubeClient.Update(ctx, &kustomization); err != nil {
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return err
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}
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logger.Successf("Kustomization resumed")
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logger.Waitingf("waiting for Kustomization reconciliation")
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if err := wait.PollImmediate(rootArgs.pollInterval, rootArgs.timeout,
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isKustomizationResumed(ctx, kubeClient, namespacedName, &kustomization)); err != nil {
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return err
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}
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logger.Successf("Kustomization reconciliation completed")
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logger.Successf("applied revision %s", kustomization.Status.LastAppliedRevision)
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return nil
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}
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func isKustomizationResumed(ctx context.Context, kubeClient client.Client,
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namespacedName types.NamespacedName, kustomization *kustomizev1.Kustomization) wait.ConditionFunc {
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return func() (bool, error) {
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err := kubeClient.Get(ctx, namespacedName, kustomization)
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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 kustomization.Generation != kustomization.Status.ObservedGeneration {
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return false, nil
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}
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if c := apimeta.FindStatusCondition(kustomization.Status.Conditions, meta.ReadyCondition); c != nil {
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switch c.Status {
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case metav1.ConditionTrue:
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return true, nil
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case metav1.ConditionFalse:
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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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