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Delete custom resources during uninstall

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Remove Kustomizations, GitRepositories and HelmRepositories before deleting the toolkit controllers and CRDs.
This commit is contained in:
stefanprodan
2020-07-23 08:41:27 +03:00
parent 10cc6d7e08
commit 8e67cfd5c9
2 changed files with 30 additions and 27 deletions
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45
cmd/tk/uninstall.go
View File

@ -19,10 +19,12 @@ package main
import ( import (
"context" "context"
"fmt" "fmt"
"time"
"github.com/manifoldco/promptui" "github.com/manifoldco/promptui"
"github.com/spf13/cobra" "github.com/spf13/cobra"
kustomizev1 "github.com/fluxcd/kustomize-controller/api/v1alpha1"
sourcev1 "github.com/fluxcd/source-controller/api/v1alpha1"
) )
var uninstallCmd = &cobra.Command{ var uninstallCmd = &cobra.Command{
@ -33,24 +35,24 @@ var uninstallCmd = &cobra.Command{
tk uninstall --dry-run --namespace=gitops-system tk uninstall --dry-run --namespace=gitops-system
# Uninstall all components and delete custom resource definitions # Uninstall all components and delete custom resource definitions
tk uninstall --crds --namespace=gitops-system tk uninstall --resources --crds --namespace=gitops-system
`, `,
RunE: uninstallCmdRun, RunE: uninstallCmdRun,
} }
var ( var (
uninstallCRDs bool uninstallCRDs bool
uninstallKustomizations bool uninstallResources bool
uninstallDryRun bool uninstallDryRun bool
uninstallSilent bool uninstallSilent bool
) )
func init() { func init() {
uninstallCmd.Flags().BoolVarP(&uninstallKustomizations, "kustomizations", "", false, uninstallCmd.Flags().BoolVar(&uninstallResources, "resources", false,
"removes all Kustomizations previously installed") "removes custom resources such as Kustomizations, GitRepositories and HelmRepositories")
uninstallCmd.Flags().BoolVarP(&uninstallCRDs, "crds", "", false, uninstallCmd.Flags().BoolVar(&uninstallCRDs, "crds", false,
"removes all CRDs previously installed") "removes all CRDs previously installed")
uninstallCmd.Flags().BoolVarP(&uninstallDryRun, "dry-run", "", false, uninstallCmd.Flags().BoolVar(&uninstallDryRun, "dry-run", false,
"only print the object that would be deleted") "only print the object that would be deleted")
uninstallCmd.Flags().BoolVarP(&uninstallSilent, "silent", "s", false, uninstallCmd.Flags().BoolVarP(&uninstallSilent, "silent", "s", false,
"delete components without asking for confirmation") "delete components without asking for confirmation")
@ -75,18 +77,19 @@ func uninstallCmdRun(cmd *cobra.Command, args []string) error {
} }
} }
if uninstallKustomizations { if uninstallResources {
logger.Actionf("uninstalling kustomizations") logger.Actionf("uninstalling custom resources")
command := fmt.Sprintf("kubectl -n %s delete kustomizations --all --timeout=%s %s", for _, kind := range []string{
namespace, timeout.String(), dryRun) kustomizev1.KustomizationKind,
if _, err := utils.execCommand(ctx, ModeOS, command); err != nil { sourcev1.GitRepositoryKind,
return fmt.Errorf("uninstall failed") sourcev1.HelmRepositoryKind,
} {
command := fmt.Sprintf("kubectl -n %s delete %s --all --timeout=%s %s",
namespace, kind, timeout.String(), dryRun)
if _, err := utils.execCommand(ctx, ModeOS, command); err != nil {
return fmt.Errorf("uninstall failed")
}
} }
// TODO: use the kustomizations snapshots to create a list of objects
// that are subject to deletion and wait for all of them to be terminated
logger.Waitingf("waiting on GC")
time.Sleep(30 * time.Second)
} }
kinds := "namespace,clusterroles,clusterrolebindings" kinds := "namespace,clusterroles,clusterrolebindings"

12
docs/cmd/tk_uninstall.md
View File

@ -17,18 +17,18 @@ tk uninstall [flags]
tk uninstall --dry-run --namespace=gitops-system tk uninstall --dry-run --namespace=gitops-system
# Uninstall all components and delete custom resource definitions # Uninstall all components and delete custom resource definitions
tk uninstall --crds --namespace=gitops-system tk uninstall --resources --crds --namespace=gitops-system
``` ```
### Options ### Options
``` ```
--crds removes all CRDs previously installed --crds removes all CRDs previously installed
--dry-run only print the object that would be deleted --dry-run only print the object that would be deleted
-h, --help help for uninstall -h, --help help for uninstall
--kustomizations removes all Kustomizations previously installed --resources removes custom resources such as Kustomizations, GitRepositories and HelmRepositories
-s, --silent delete components without asking for confirmation -s, --silent delete components without asking for confirmation
``` ```
### Options inherited from parent commands ### Options inherited from parent commands