mirror of https://github.com/linkerd/linkerd2.git
65 lines
1.6 KiB
Go
65 lines
1.6 KiB
Go
package cmd
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import (
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"errors"
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"fmt"
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"os"
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"strings"
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"time"
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pkgCmd "github.com/linkerd/linkerd2/pkg/cmd"
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"github.com/linkerd/linkerd2/pkg/k8s"
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"github.com/spf13/cobra"
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valuespkg "helm.sh/helm/v3/pkg/cli/values"
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)
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func newCmdPrune() *cobra.Command {
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cmd := &cobra.Command{
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Use: "prune [flags]",
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Args: cobra.NoArgs,
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Short: "Output extraneous Kubernetes resources in the linkerd control plane",
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Long: `Output extraneous Kubernetes resources in the linkerd control plane.`,
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Example: ` # Prune extraneous resources.
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linkerd prune | kubectl delete -f -
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`,
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RunE: func(cmd *cobra.Command, _ []string) error {
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k8sAPI, err := k8s.NewAPI(kubeconfigPath, kubeContext, impersonate, impersonateGroup, 30*time.Second)
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if err != nil {
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return err
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}
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values, err := loadStoredValues(cmd.Context(), k8sAPI)
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if err != nil {
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fmt.Fprintf(os.Stderr, "failed to load stored values: %s\n", err)
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os.Exit(1)
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}
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if values == nil {
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return errors.New(
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`Could not find the linkerd-config-overrides secret.
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Please note this command is only intended for instances of Linkerd that were installed via the CLI`)
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}
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err = validateValues(cmd.Context(), k8sAPI, values)
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if err != nil {
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return err
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}
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manifests := strings.Builder{}
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if err = renderControlPlane(&manifests, values, make(map[string]interface{})); err != nil {
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return err
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}
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if err = renderCRDs(&manifests, valuespkg.Options{}); err != nil {
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return err
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}
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return pkgCmd.Prune(cmd.Context(), k8sAPI, manifests.String(), k8s.ControllerNSLabel)
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},
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}
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return cmd
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}
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