Add uninstall wait flag

Add a uninstall wait property on Helm Release Uninstall
API. So users can set whether Helm Controller waits for all the
Helm managed resources to be deleted before finalizing the
Helm Release resource.

Author: samuel-form3

api/v2beta1/helmrelease_types.go

@@ -754,6 +754,11 @@ type Uninstall struct {
 	// release as deleted, but retain the release history.
 	// +optional
 	KeepHistory bool `json:"keepHistory,omitempty"`
+
+	// Wait tells Helm to wait for all the resources are deleted before finalizing
+	// the resource. It will wait for as long as the configured uninstall timeout.
+	// +optional
+	Wait bool `json:"wait,omitempty"`
 }
 
 // GetTimeout returns the configured timeout for the Helm uninstall action, or

config/crd/bases/helm.toolkit.fluxcd.io_helmreleases.yaml

@@ -506,6 +506,11 @@ spec:
                       operation (like Jobs for hooks) during the performance of a
                       Helm uninstall action. Defaults to 'HelmReleaseSpec.Timeout'.
                     type: string
+                  wait:
+                    description: Wait tells Helm to wait for all the resources are
+                      deleted before finalizing the resource. It will wait for as
+                      long as the configured uninstall timeout.
+                    type: boolean
                 type: object
               upgrade:
                 description: Upgrade holds the configuration for Helm upgrade actions

docs/api/helmrelease.md

@@ -1755,6 +1755,19 @@ bool
 release as deleted, but retain the release history.</p>
 </td>
 </tr>
+<tr>
+<td>
+<code>wait</code><br>
+<em>
+bool
+</em>
+</td>
+<td>
+<em>(Optional)</em>
+<p>Wait tells Helm to wait for all the resources are deleted before finalizing
+the resource. It will wait for as long as the configured uninstall timeout.</p>
+</td>
+</tr>
 </tbody>
 </table>
 </div>

internal/runner/runner.go

@@ -375,6 +375,7 @@ func (r *Runner) Uninstall(hr v2.HelmRelease) error {
 	uninstall.Timeout = hr.Spec.GetUninstall().GetTimeout(hr.GetTimeout()).Duration
 	uninstall.DisableHooks = hr.Spec.GetUninstall().DisableHooks
 	uninstall.KeepHistory = hr.Spec.GetUninstall().KeepHistory
+	uninstall.Wait = hr.Spec.GetUninstall().Wait
 
 	_, err := uninstall.Run(hr.GetReleaseName())
 	return wrapActionErr(r.logBuffer, err)