Allow to update the packageinstall with a difference packageName

1. Prompt user to confirm
2. Add e2e test for this operation

Signed-off-by: luwang <lu.wang@broadcom.com>

cli/pkg/kctrl/cmd/package/installed/create_or_update.go

@@ -767,11 +767,16 @@ func (o *CreateOrUpdateOptions) preparePackageInstallForUpdate(pkgInstall *kcpkg
 		return nil, fmt.Errorf("Failed to update package '%s' as no existing package reference/version was found in the package install", o.Name)
 	}
 
-	// If o.PackageName is provided by the user (via --package flag), verify that the package name in PackageInstall matches it.
-	// This will prevent the users from accidentally overwriting an installed package with another package content due to choosing a pre-existing name for the package isntall.
+	// If o.PackageName provided by the user (via --package flag) is not the same as the package name in PackageInstall
+	// Prompt user to confirm
 	// Otherwise if o.PackageName is not provided, fill it from the installed package spec
 	if o.packageName != "" && updatedPkgInstall.Spec.PackageRef.RefName != o.packageName {
-		return nil, fmt.Errorf("Installed package '%s' is already associated with package '%s'", o.Name, updatedPkgInstall.Spec.PackageRef.RefName)
+		o.ui.PrintLinef("Changing Package reference for installation '%s' from Package '%s' to Package '%s'", o.Name, updatedPkgInstall.Spec.PackageRef.RefName, o.packageName)
+		err := o.ui.AskForConfirmation()
+		if err != nil {
+			return nil, err
+		}
+		updatedPkgInstall.Spec.PackageRef.RefName = o.packageName
 	}
 	o.packageName = updatedPkgInstall.Spec.PackageRef.RefName
 

cli/test/e2e/package_install_test.go

@@ -23,28 +23,31 @@ func TestPackageInstalled(t *testing.T) {
 	appName := "test-package-name"
 	pkgiName := "testpkgi"
 	packageMetadataName := "test-pkg.carvel.dev"
+	packageMetadataNameNew := "test-pkg.carvel-new.dev"
 
-	packageMetadata := fmt.Sprintf(`---
+	packageMetadataCR := `---
 apiVersion: data.packaging.carvel.dev/v1alpha1
 kind: PackageMetadata
 metadata:
   name: %s
 spec:
   displayName: "Carvel Test Package"
-  shortDescription: "Carvel package for testing installation"`, packageMetadataName)
+  shortDescription: "Carvel package for testing installation"`
+
+	packageMetadata := fmt.Sprintf(packageMetadataCR, packageMetadataName)
+	packageMetadataNew := fmt.Sprintf(packageMetadataCR, packageMetadataNameNew)
 
-	packageName1 := "test-pkg.carvel.dev.1.0.0"
-	packageName2 := "test-pkg.carvel.dev.2.0.0"
 	packageVersion1 := "1.0.0"
 	packageVersion2 := "2.0.0"
+	packageVersion3 := "3.0.0"
 
 	packageCR := `---
 apiVersion: data.packaging.carvel.dev/v1alpha1
 kind: Package
 metadata:
   name: %s
 spec:
-  refName: test-pkg.carvel.dev
+  refName: %s
   version: %s
   template:
     spec:
@@ -69,12 +72,16 @@ key1: value1
 	valuesFile2 := `
 key2: value2
 `
+	valuesFile3 := `
+key3: value3
+`
+	packageCR1 := fmt.Sprintf(packageCR, packageMetadataName+"."+packageVersion1, packageMetadataName, packageVersion1)
 
-	packageCR1 := fmt.Sprintf(packageCR, packageName1, packageVersion1)
+	packageCR2 := fmt.Sprintf(packageCR, packageMetadataName+"."+packageVersion2, packageMetadataName, packageVersion2)
 
-	packageCR2 := fmt.Sprintf(packageCR, packageName2, packageVersion2)
+	packageCR3 := fmt.Sprintf(packageCR, packageMetadataNameNew+"."+packageVersion3, packageMetadataNameNew, packageVersion3)
 
-	yaml := packageMetadata + "\n" + packageCR1 + "\n" + packageCR2
+	yaml := packageMetadata + "\n" + packageCR1 + "\n" + packageCR2 + "\n" + packageMetadataNew + "\n" + packageCR3
 
 	cleanUp := func() {
 		// TODO: Check for error while uninstalling in cleanup?
@@ -218,6 +225,34 @@ key2: value2
 		require.Exactly(t, expectedOutputRows, output.Tables[0].Rows)
 	})
 
+	logger.Section("package installed update with changing packageName", func() {
+		_, err := kappCtrl.RunWithOpts([]string{
+			"package", "installed", "update",
+			"--package-install", pkgiName,
+			"-p", packageMetadataNameNew,
+			"--version", packageVersion3,
+			"--values-file", "-",
+			"-y",
+		}, RunOpts{StdinReader: strings.NewReader(valuesFile3)})
+		require.NoError(t, err)
+
+		out, err := kappCtrl.RunWithOpts([]string{"package", "installed", "get", "--package-install", pkgiName, "--json"}, RunOpts{})
+		require.NoError(t, err)
+
+		output := uitest.JSONUIFromBytes(t, []byte(out))
+
+		expectedOutputRows := []map[string]string{{
+			"conditions":      "- type: ReconcileSucceeded\n  status: \"True\"\n  reason: \"\"\n  message: \"\"",
+			"namespace":       env.Namespace,
+			"name":            "testpkgi",
+			"package_name":    packageMetadataNameNew,
+			"package_version": packageVersion3,
+			"status":          "Reconcile succeeded",
+		}}
+
+		require.Exactly(t, expectedOutputRows, output.Tables[0].Rows)
+	})
+
 	logger.Section("package installed pause", func() {
 
 		_, err := kappCtrl.RunWithOpts([]string{