Add flag to skip checking resources when fully delete app

Author: firgavin

pkg/kapp/cmd/app/delete.go

@@ -29,6 +29,7 @@ type DeleteOptions struct {
 	ApplyFlags          ApplyFlags
 	ResourceTypesFlags  ResourceTypesFlags
 	PrevAppFlags        PrevAppFlags
+	DeleteFlags         DeleteFlags
 }
 
 type changesSummary struct {
@@ -56,6 +57,7 @@ func NewDeleteCmd(o *DeleteOptions, flagsFactory cmdcore.FlagsFactory) *cobra.Co
 	o.ApplyFlags.SetWithDefaults("", ApplyFlagsDeleteDefaults, cmd)
 	o.ResourceTypesFlags.Set(cmd)
 	o.PrevAppFlags.Set(cmd)
+	o.DeleteFlags.Set(cmd)
 	return cmd
 }
 
@@ -151,6 +153,10 @@ func (o *DeleteOptions) Run() error {
 
 	touch := ctlapp.Touch{App: app, Description: "delete", IgnoreSuccessErr: true}
 
+	if o.DeleteFlags.DisableCheckingFullDeletion {
+		shouldFullyDeleteApp = false
+	}
+
 	err = touch.Do(func() error {
 		err := clusterChangeSet.Apply(clusterChangesGraph)
 		if err != nil {

pkg/kapp/cmd/app/delete_flags.go

@@ -0,0 +1,12 @@
+package app
+
+import "github.com/spf13/cobra"
+
+type DeleteFlags struct {
+	DisableCheckingFullDeletion bool
+}
+
+func (s *DeleteFlags) Set(cmd *cobra.Command) {
+	cmd.Flags().BoolVar(&s.DisableCheckingFullDeletion, "dangerous-disable-checking-app-deletion",
+		false, "Skip checking remaining resources when fully delete app")
+}