Merge pull request #1672 from souleb/main

Adds a watch flag to the get command

.github/ISSUE_TEMPLATE/bug_report.md

@@ -1,46 +0,0 @@
----
-name: Bug report
-about: Create a report to help us improve Flux v2
-title: ''
-assignees: ''
-
----
-
-<!--
-
-Find out more about your support options and getting help at
-
-   https://fluxcd.io/support/
-
--->
-
-### Describe the bug
-
-A clear and concise description of what the bug is.
-
-### To Reproduce
-
-Steps to reproduce the behaviour:
-
-1. Provide Flux install instructions
-2. Provide a GitHub repository with Kubernetes manifests
-
-### Expected behavior
-
-A clear and concise description of what you expected to happen.
-
-### Additional context
-
-- Kubernetes version:
-- Git provider:
-- Container registry provider:
-
-Below please provide the output of the following commands:
-
-```cli
-flux --version
-flux check
-kubectl -n <namespace> get all
-kubectl -n <namespace> logs deploy/source-controller
-kubectl -n <namespace> logs deploy/kustomize-controller
-```

.github/ISSUE_TEMPLATE/bug_report.yaml

@@ -0,0 +1,85 @@
+---
+name: Bug report
+description: Create a report to help us improve Flux
+body:
+- type: markdown
+  attributes:
+    value: |
+      ## Support
+      Find out more about your support options and getting help at: https://fluxcd.io/support/
+- type: textarea
+  validations:
+    required: true
+  attributes:
+    label: Describe the bug
+    description: A clear description of what the bug is.
+- type: textarea
+  validations:
+    required: true
+  attributes:
+    label: Steps to reproduce
+    description: |
+      Steps to reproduce the problem.
+    placeholder: |
+      For example:
+      1. Install Flux with the additional image automation controllers
+      2. Run command '...'
+      3. See error
+- type: textarea
+  validations:
+    required: true
+  attributes:
+    label: Expected behavior
+    description: A brief description of what you expected to happen.
+- type: textarea
+  attributes:
+    label: Screenshots and recordings
+    description: |
+      If applicable, add screenshots to help explain your problem. You can also record an asciinema session: https://asciinema.org/
+- type: input
+  validations:
+    required: true
+  attributes:
+    label: OS / Distro
+    description: The OS / distro you are executing `flux` on. If not applicable, write `N/A`.
+    placeholder: e.g. Windows 10, Ubuntu 20.04, Arch Linux, macOS 10.15...
+- type: input
+  validations:
+    required: true
+  attributes:
+    label: Flux version
+    description: Run `flux --version` to check. If not applicable, write `N/A`.
+    placeholder: e.g. 0.16.1
+- type: textarea
+  validations:
+    required: true
+  attributes:
+    label: Flux check
+    description: Run `flux check` to check. If not applicable, write `N/A`.
+    placeholder: |
+      For example:
+      ► checking prerequisites
+      ✔ kubectl 1.21.0 >=1.18.0-0
+      ✔ Kubernetes 1.21.1 >=1.16.0-0
+      ► checking controllers
+      ✔ all checks passed
+- type: input
+  attributes:
+    label: Git provider
+    description: If applicable, add the Git provider you are having problems with, e.g. GitHub (Enterprise), GitLab, etc.
+- type: input
+  attributes:
+    label: Container Registry provider
+    description: If applicable, add the Container Registry provider you are having problems with, e.g. DockerHub, GitHub Packages, Quay.io, etc.
+- type: textarea
+  attributes:
+    label: Additional context
+    description: Add any other context about the problem here. This can be logs (e.g. output from `flux logs`), environment specific caveats, etc.
+- type: checkboxes
+  id: terms
+  attributes:
+    label: Code of Conduct
+    description: By submitting this issue, you agree to follow our [Code of Conduct](https://github.com/fluxcd/.github/blob/main/CODE_OF_CONDUCT.md)
+    options:
+    - label: I agree to follow this project's Code of Conduct
+      required: true

cmd/flux/alert.go

@@ -37,6 +37,10 @@ func (a alertAdapter) asClientObject() client.Object {
 	return a.Alert
 }
 
+func (a alertAdapter) deepCopyClientObject() client.Object {
+	return a.Alert.DeepCopy()
+}
+
 // notificationv1.Alert
 
 type alertListAdapter struct {

cmd/flux/alert_provider.go

@@ -37,6 +37,10 @@ func (a alertProviderAdapter) asClientObject() client.Object {
 	return a.Provider
 }
 
+func (a alertProviderAdapter) deepCopyClientObject() client.Object {
+	return a.Provider.DeepCopy()
+}
+
 // notificationv1.Provider
 
 type alertProviderListAdapter struct {

cmd/flux/bootstrap.go

@@ -19,7 +19,7 @@ package main
 import (
 	"crypto/elliptic"
 	"fmt"
-	"io/ioutil"
+	"os"
 
 	"github.com/spf13/cobra"
 
@@ -145,7 +145,7 @@ func buildEmbeddedManifestBase() (string, error) {
 	if !isEmbeddedVersion(bootstrapArgs.version) {
 		return "", nil
 	}
-	tmpBaseDir, err := ioutil.TempDir("", "flux-manifests-")
+	tmpBaseDir, err := os.MkdirTemp("", "flux-manifests-")
 	if err != nil {
 		return "", err
 	}

cmd/flux/bootstrap_git.go

@@ -19,7 +19,6 @@ package main
 import (
 	"context"
 	"fmt"
-	"io/ioutil"
 	"net/url"
 	"os"
 	"strings"
@@ -118,7 +117,7 @@ func bootstrapGitCmdRun(cmd *cobra.Command, args []string) error {
 	defer os.RemoveAll(manifestsBase)
 
 	// Lazy go-git repository
-	tmpDir, err := ioutil.TempDir("", "flux-bootstrap-")
+	tmpDir, err := os.MkdirTemp("", "flux-bootstrap-")
 	if err != nil {
 		return fmt.Errorf("failed to create temporary working dir: %w", err)
 	}

cmd/flux/bootstrap_github.go

@@ -19,7 +19,6 @@ package main
 import (
 	"context"
 	"fmt"
-	"io/ioutil"
 	"os"
 	"time"
 
@@ -146,7 +145,7 @@ func bootstrapGitHubCmdRun(cmd *cobra.Command, args []string) error {
 	}
 
 	// Lazy go-git repository
-	tmpDir, err := ioutil.TempDir("", "flux-bootstrap-")
+	tmpDir, err := os.MkdirTemp("", "flux-bootstrap-")
 	if err != nil {
 		return fmt.Errorf("failed to create temporary working dir: %w", err)
 	}

cmd/flux/bootstrap_gitlab.go

@@ -19,7 +19,6 @@ package main
 import (
 	"context"
 	"fmt"
-	"io/ioutil"
 	"os"
 	"regexp"
 	"strings"
@@ -159,7 +158,7 @@ func bootstrapGitLabCmdRun(cmd *cobra.Command, args []string) error {
 	}
 
 	// Lazy go-git repository
-	tmpDir, err := ioutil.TempDir("", "flux-bootstrap-")
+	tmpDir, err := os.MkdirTemp("", "flux-bootstrap-")
 	if err != nil {
 		return fmt.Errorf("failed to create temporary working dir: %w", err)
 	}

cmd/flux/create_helmrelease.go

@@ -20,7 +20,7 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
+	"os"
 
 	"github.com/fluxcd/flux2/internal/flags"
 	"github.com/fluxcd/flux2/internal/utils"
@@ -201,7 +201,7 @@ func createHelmReleaseCmdRun(cmd *cobra.Command, args []string) error {
 	if len(helmReleaseArgs.valuesFiles) > 0 {
 		valuesMap := make(map[string]interface{})
 		for _, v := range helmReleaseArgs.valuesFiles {
-			data, err := ioutil.ReadFile(v)
+			data, err := os.ReadFile(v)
 			if err != nil {
 				return fmt.Errorf("reading values from %s failed: %w", v, err)
 			}

cmd/flux/create_secret_git.go

@@ -183,7 +183,7 @@ func createSecretGitCmdRun(cmd *cobra.Command, args []string) error {
 	if err := upsertSecret(ctx, kubeClient, s); err != nil {
 		return err
 	}
-	logger.Actionf("secret '%s' created in '%s' namespace", name, rootArgs.namespace)
+	logger.Actionf("git secret '%s' created in '%s' namespace", name, rootArgs.namespace)
 
 	return nil
 }

cmd/flux/create_secret_helm.go

@@ -112,5 +112,6 @@ func createSecretHelmCmdRun(cmd *cobra.Command, args []string) error {
 		return err
 	}
 
+	logger.Actionf("helm secret '%s' created in '%s' namespace", name, rootArgs.namespace)
 	return nil
 }

cmd/flux/create_secret_tls.go

@@ -109,5 +109,6 @@ func createSecretTLSCmdRun(cmd *cobra.Command, args []string) error {
 		return err
 	}
 
+	logger.Actionf("tls secret '%s' created in '%s' namespace", name, rootArgs.namespace)
 	return nil
 }

cmd/flux/create_source_bucket.go

@@ -19,7 +19,6 @@ package main
 import (
 	"context"
 	"fmt"
-	"io/ioutil"
 	"os"
 
 	"github.com/spf13/cobra"
@@ -112,7 +111,7 @@ func createSourceBucketCmdRun(cmd *cobra.Command, args []string) error {
 		return err
 	}
 
-	tmpDir, err := ioutil.TempDir("", name)
+	tmpDir, err := os.MkdirTemp("", name)
 	if err != nil {
 		return err
 	}

cmd/flux/create_source_git.go

@@ -20,7 +20,6 @@ import (
 	"context"
 	"crypto/elliptic"
 	"fmt"
-	"io/ioutil"
 	"net/url"
 	"os"
 
@@ -178,7 +177,7 @@ func createSourceGitCmdRun(cmd *cobra.Command, args []string) error {
 		return fmt.Errorf("recurse submodules requires --git-implementation=%s", sourcev1.GoGitImplementation)
 	}
 
-	tmpDir, err := ioutil.TempDir("", name)
+	tmpDir, err := os.MkdirTemp("", name)
 	if err != nil {
 		return err
 	}

cmd/flux/create_source_helm.go

@@ -19,7 +19,6 @@ package main
 import (
 	"context"
 	"fmt"
-	"io/ioutil"
 	"net/url"
 	"os"
 
@@ -106,7 +105,7 @@ func createSourceHelmCmdRun(cmd *cobra.Command, args []string) error {
 		return err
 	}
 
-	tmpDir, err := ioutil.TempDir("", name)
+	tmpDir, err := os.MkdirTemp("", name)
 	if err != nil {
 		return err
 	}

cmd/flux/create_tenant.go

@@ -148,7 +148,7 @@ func createTenantCmdRun(cmd *cobra.Command, args []string) error {
 	}
 
 	if createArgs.export {
-		for i, _ := range tenantArgs.namespaces {
+		for i := range tenantArgs.namespaces {
 			if err := exportTenant(namespaces[i], accounts[i], roleBindings[i]); err != nil {
 				return err
 			}
@@ -164,7 +164,7 @@ func createTenantCmdRun(cmd *cobra.Command, args []string) error {
 		return err
 	}
 
-	for i, _ := range tenantArgs.namespaces {
+	for i := range tenantArgs.namespaces {
 		logger.Actionf("applying namespace %s", namespaces[i].Name)
 		if err := upsertNamespace(ctx, kubeClient, namespaces[i]); err != nil {
 			return err

cmd/flux/get.go

@@ -25,6 +25,9 @@ import (
 	"github.com/spf13/cobra"
 	apimeta "k8s.io/apimachinery/pkg/api/meta"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/watch"
+	watchtools "k8s.io/client-go/tools/watch"
 	"sigs.k8s.io/controller-runtime/pkg/client"
 
 	"github.com/fluxcd/pkg/apis/meta"
@@ -32,6 +35,26 @@ import (
 	"github.com/fluxcd/flux2/internal/utils"
 )
 
+type deriveType func(runtime.Object) (summarisable, error)
+
+type typeMap map[string]deriveType
+
+func (m typeMap) registerCommand(t string, f deriveType) error {
+	if _, ok := m[t]; ok {
+		return fmt.Errorf("duplicate type function %s", t)
+	}
+	m[t] = f
+	return nil
+}
+
+func (m typeMap) execute(t string, obj runtime.Object) (summarisable, error) {
+	f, ok := m[t]
+	if !ok {
+		return nil, fmt.Errorf("unsupported type %s", t)
+	}
+	return f(obj)
+}
+
 var getCmd = &cobra.Command{
 	Use:   "get",
 	Short: "Get the resources and their status",
@@ -42,6 +65,7 @@ type GetFlags struct {
 	allNamespaces  bool
 	noHeader       bool
 	statusSelector string
+	watch          bool
 }
 
 var getArgs GetFlags
@@ -50,6 +74,7 @@ func init() {
 	getCmd.PersistentFlags().BoolVarP(&getArgs.allNamespaces, "all-namespaces", "A", false,
 		"list the requested object(s) across all namespaces")
 	getCmd.PersistentFlags().BoolVarP(&getArgs.noHeader, "no-header", "", false, "skip the header when printing the results")
+	getCmd.PersistentFlags().BoolVarP(&getArgs.watch, "watch", "w", false, "After listing/getting the requested object, watch for changes.")
 	getCmd.PersistentFlags().StringVar(&getArgs.statusSelector, "status-selector", "",
 		"specify the status condition name and the desired state to filter the get result, e.g. ready=false")
 	rootCmd.AddCommand(getCmd)
@@ -102,7 +127,8 @@ var namespaceHeader = []string{"Namespace"}
 
 type getCommand struct {
 	apiType
-	list summarisable
+	list    summarisable
+	funcMap typeMap
 }
 
 func (get getCommand) run(cmd *cobra.Command, args []string) error {
@@ -123,13 +149,17 @@ func (get getCommand) run(cmd *cobra.Command, args []string) error {
 		listOpts = append(listOpts, client.MatchingFields{"metadata.name": args[0]})
 	}
 
+	getAll := cmd.Use == "all"
+
+	if getArgs.watch {
+		return get.watch(ctx, kubeClient, cmd, args, listOpts)
+	}
+
 	err = kubeClient.List(ctx, get.list.asClientList(), listOpts...)
 	if err != nil {
 		return err
 	}
 
-	getAll := cmd.Use == "all"
-
 	if get.list.len() == 0 {
 		if !getAll {
 			logger.Failuref("no %s objects found in %s namespace", get.kind, rootArgs.namespace)
@@ -141,28 +171,93 @@ func (get getCommand) run(cmd *cobra.Command, args []string) error {
 	if !getArgs.noHeader {
 		header = get.list.headers(getArgs.allNamespaces)
 	}
+
+	rows, err := getRowsToPrint(getAll, get.list)
+	if err != nil {
+		return err
+	}
+
+	utils.PrintTable(os.Stdout, header, rows)
+
+	if getAll {
+		fmt.Println()
+	}
+
+	return nil
+}
+
+func getRowsToPrint(getAll bool, list summarisable) ([][]string, error) {
 	noFilter := true
 	var conditionType, conditionStatus string
 	if getArgs.statusSelector != "" {
 		parts := strings.SplitN(getArgs.statusSelector, "=", 2)
 		if len(parts) != 2 {
-			return fmt.Errorf("expected status selector in type=status format, but found: %s", getArgs.statusSelector)
+			return nil, fmt.Errorf("expected status selector in type=status format, but found: %s", getArgs.statusSelector)
 		}
 		conditionType = parts[0]
 		conditionStatus = parts[1]
 		noFilter = false
 	}
 	var rows [][]string
-	for i := 0; i < get.list.len(); i++ {
-		if noFilter || get.list.statusSelectorMatches(i, conditionType, conditionStatus) {
-			row := get.list.summariseItem(i, getArgs.allNamespaces, getAll)
+	for i := 0; i < list.len(); i++ {
+		if noFilter || list.statusSelectorMatches(i, conditionType, conditionStatus) {
+			row := list.summariseItem(i, getArgs.allNamespaces, getAll)
 			rows = append(rows, row)
 		}
 	}
-	utils.PrintTable(os.Stdout, header, rows)
+	return rows, nil
+}
 
-	if getAll {
-		fmt.Println()
+//
+// watch starts a client-side watch of one or more resources.
+func (get *getCommand) watch(ctx context.Context, kubeClient client.WithWatch, cmd *cobra.Command, args []string, listOpts []client.ListOption) error {
+	w, err := kubeClient.Watch(ctx, get.list.asClientList(), listOpts...)
+	if err != nil {
+		return err
+	}
+
+	_, err = watchUntil(ctx, w, get)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func watchUntil(ctx context.Context, w watch.Interface, get *getCommand) (bool, error) {
+	firstIteration := true
+	_, error := watchtools.UntilWithoutRetry(ctx, w, func(e watch.Event) (bool, error) {
+		objToPrint := e.Object
+		sink, err := get.funcMap.execute(get.apiType.kind, objToPrint)
+		if err != nil {
+			return false, err
+		}
+
+		var header []string
+		if !getArgs.noHeader {
+			header = sink.headers(getArgs.allNamespaces)
+		}
+		rows, err := getRowsToPrint(false, sink)
+		if err != nil {
+			return false, err
+		}
+		if firstIteration {
+			utils.PrintTable(os.Stdout, header, rows)
+			firstIteration = false
+		} else {
+			utils.PrintTable(os.Stdout, []string{}, rows)
+		}
+
+		return false, nil
+	})
+
+	return false, error
+}
+
+func validateWatchOption(cmd *cobra.Command, toMatch string) error {
+	w, _ := cmd.Flags().GetBool("watch")
+	if cmd.Use == toMatch && w {
+		return fmt.Errorf("expected a single resource type, but found %s", cmd.Use)
 	}
 	return nil
 }

cmd/flux/get_alert.go

@@ -17,10 +17,12 @@ limitations under the License.
 package main
 
 import (
+	"fmt"
 	"strconv"
 	"strings"
 
 	"github.com/spf13/cobra"
+	"k8s.io/apimachinery/pkg/runtime"
 
 	notificationv1 "github.com/fluxcd/notification-controller/api/v1beta1"
 )
@@ -32,10 +34,39 @@ var getAlertCmd = &cobra.Command{
 	Long:    "The get alert command prints the statuses of the resources.",
 	Example: `  # List all Alerts and their status
   flux get alerts`,
-	RunE: getCommand{
-		apiType: alertType,
-		list:    &alertListAdapter{&notificationv1.AlertList{}},
-	}.run,
+	RunE: func(cmd *cobra.Command, args []string) error {
+		get := getCommand{
+			apiType: alertType,
+			list:    &alertListAdapter{&notificationv1.AlertList{}},
+			funcMap: make(typeMap),
+		}
+
+		err := get.funcMap.registerCommand(get.apiType.kind, func(obj runtime.Object) (summarisable, error) {
+			o, ok := obj.(*notificationv1.Alert)
+			if !ok {
+				return nil, fmt.Errorf("Impossible to cast type %#v alert", obj)
+			}
+
+			sink := alertListAdapter{
+				&notificationv1.AlertList{
+					Items: []notificationv1.Alert{
+						*o,
+					},
+				},
+			}
+			return sink, nil
+		})
+
+		if err != nil {
+			return err
+		}
+
+		if err := get.run(cmd, args); err != nil {
+			return err
+		}
+
+		return nil
+	},
 }
 
 func init() {

cmd/flux/get_alertprovider.go

@@ -17,7 +17,10 @@ limitations under the License.
 package main
 
 import (
+	"fmt"
+
 	"github.com/spf13/cobra"
+	"k8s.io/apimachinery/pkg/runtime"
 
 	notificationv1 "github.com/fluxcd/notification-controller/api/v1beta1"
 )
@@ -29,10 +32,39 @@ var getAlertProviderCmd = &cobra.Command{
 	Long:    "The get alert-provider command prints the statuses of the resources.",
 	Example: `  # List all Providers and their status
   flux get alert-providers`,
-	RunE: getCommand{
-		apiType: alertProviderType,
-		list:    alertProviderListAdapter{&notificationv1.ProviderList{}},
-	}.run,
+	RunE: func(cmd *cobra.Command, args []string) error {
+		get := getCommand{
+			apiType: alertProviderType,
+			list:    alertProviderListAdapter{&notificationv1.ProviderList{}},
+			funcMap: make(typeMap),
+		}
+
+		err := get.funcMap.registerCommand(get.apiType.kind, func(obj runtime.Object) (summarisable, error) {
+			o, ok := obj.(*notificationv1.Provider)
+			if !ok {
+				return nil, fmt.Errorf("Impossible to cast type %#v alert-provider", obj)
+			}
+
+			sink := alertProviderListAdapter{
+				&notificationv1.ProviderList{
+					Items: []notificationv1.Provider{
+						*o,
+					},
+				},
+			}
+			return sink, nil
+		})
+
+		if err != nil {
+			return err
+		}
+
+		if err := get.run(cmd, args); err != nil {
+			return err
+		}
+
+		return nil
+	},
 }
 
 func init() {

cmd/flux/get_all.go

@@ -36,7 +36,12 @@ var getAllCmd = &cobra.Command{
   # List all resources in all namespaces
   flux get all --all-namespaces`,
 	RunE: func(cmd *cobra.Command, args []string) error {
-		err := getSourceAllCmd.RunE(cmd, args)
+		err := validateWatchOption(cmd, "all")
+		if err != nil {
+			return err
+		}
+
+		err = getSourceAllCmd.RunE(cmd, args)
 		if err != nil {
 			logError(err)
 		}

cmd/flux/get_helmrelease.go

@@ -17,11 +17,13 @@ limitations under the License.
 package main
 
 import (
+	"fmt"
 	"strconv"
 	"strings"
 
 	helmv2 "github.com/fluxcd/helm-controller/api/v2beta1"
 	"github.com/spf13/cobra"
+	"k8s.io/apimachinery/pkg/runtime"
 )
 
 var getHelmReleaseCmd = &cobra.Command{
@@ -31,10 +33,36 @@ var getHelmReleaseCmd = &cobra.Command{
 	Long:    "The get helmreleases command prints the statuses of the resources.",
 	Example: `  # List all Helm releases and their status
   flux get helmreleases`,
-	RunE: getCommand{
-		apiType: helmReleaseType,
-		list:    &helmReleaseListAdapter{&helmv2.HelmReleaseList{}},
-	}.run,
+	RunE: func(cmd *cobra.Command, args []string) error {
+		get := getCommand{
+			apiType: helmReleaseType,
+			list:    &helmReleaseListAdapter{&helmv2.HelmReleaseList{}},
+			funcMap: make(typeMap),
+		}
+
+		err := get.funcMap.registerCommand(get.apiType.kind, func(obj runtime.Object) (summarisable, error) {
+			o, ok := obj.(*helmv2.HelmRelease)
+			if !ok {
+				return nil, fmt.Errorf("Impossible to cast type %#v helmrelease", obj)
+			}
+
+			sink := helmReleaseListAdapter{&helmv2.HelmReleaseList{
+				Items: []helmv2.HelmRelease{
+					*o,
+				}}}
+			return sink, nil
+		})
+
+		if err != nil {
+			return err
+		}
+
+		if err := get.run(cmd, args); err != nil {
+			return err
+		}
+
+		return nil
+	},
 }
 
 func init() {

cmd/flux/get_image.go

@@ -25,6 +25,9 @@ var getImageCmd = &cobra.Command{
 	Aliases: []string{"image"},
 	Short:   "Get image automation object status",
 	Long:    "The get image sub-commands print the status of image automation objects.",
+	RunE: func(cmd *cobra.Command, args []string) error {
+		return validateWatchOption(cmd, "images")
+	},
 }
 
 func init() {

cmd/flux/get_image_all.go

@@ -35,6 +35,11 @@ var getImageAllCmd = &cobra.Command{
   # List all image objects in all namespaces
   flux get images all --all-namespaces`,
 	RunE: func(cmd *cobra.Command, args []string) error {
+		err := validateWatchOption(cmd, "all")
+		if err != nil {
+			return err
+		}
+
 		var allImageCmd = []getCommand{
 			{
 				apiType: imageRepositoryType,

cmd/flux/get_image_policy.go

@@ -17,7 +17,10 @@ limitations under the License.
 package main
 
 import (
+	"fmt"
+
 	"github.com/spf13/cobra"
+	"k8s.io/apimachinery/pkg/runtime"
 
 	imagev1 "github.com/fluxcd/image-reflector-controller/api/v1beta1"
 )
@@ -31,10 +34,36 @@ var getImagePolicyCmd = &cobra.Command{
 
  # List image policies from all namespaces
   flux get image policy --all-namespaces`,
-	RunE: getCommand{
-		apiType: imagePolicyType,
-		list:    &imagePolicyListAdapter{&imagev1.ImagePolicyList{}},
-	}.run,
+	RunE: func(cmd *cobra.Command, args []string) error {
+		get := getCommand{
+			apiType: imagePolicyType,
+			list:    &imagePolicyListAdapter{&imagev1.ImagePolicyList{}},
+			funcMap: make(typeMap),
+		}
+
+		err := get.funcMap.registerCommand(get.apiType.kind, func(obj runtime.Object) (summarisable, error) {
+			o, ok := obj.(*imagev1.ImagePolicy)
+			if !ok {
+				return nil, fmt.Errorf("Impossible to cast type %#v policy", obj)
+			}
+
+			sink := imagePolicyListAdapter{&imagev1.ImagePolicyList{
+				Items: []imagev1.ImagePolicy{
+					*o,
+				}}}
+			return sink, nil
+		})
+
+		if err != nil {
+			return err
+		}
+
+		if err := get.run(cmd, args); err != nil {
+			return err
+		}
+
+		return nil
+	},
 }
 
 func init() {

cmd/flux/get_image_repository.go

@@ -17,11 +17,13 @@ limitations under the License.
 package main
 
 import (
+	"fmt"
 	"strconv"
 	"strings"
 	"time"
 
 	"github.com/spf13/cobra"
+	"k8s.io/apimachinery/pkg/runtime"
 
 	imagev1 "github.com/fluxcd/image-reflector-controller/api/v1beta1"
 )
@@ -35,10 +37,36 @@ var getImageRepositoryCmd = &cobra.Command{
 
  # List image repositories from all namespaces
   flux get image repository --all-namespaces`,
-	RunE: getCommand{
-		apiType: imageRepositoryType,
-		list:    imageRepositoryListAdapter{&imagev1.ImageRepositoryList{}},
-	}.run,
+	RunE: func(cmd *cobra.Command, args []string) error {
+		get := getCommand{
+			apiType: imageRepositoryType,
+			list:    imageRepositoryListAdapter{&imagev1.ImageRepositoryList{}},
+			funcMap: make(typeMap),
+		}
+
+		err := get.funcMap.registerCommand(get.apiType.kind, func(obj runtime.Object) (summarisable, error) {
+			o, ok := obj.(*imagev1.ImageRepository)
+			if !ok {
+				return nil, fmt.Errorf("Impossible to cast type %#v repository", obj)
+			}
+
+			sink := imageRepositoryListAdapter{&imagev1.ImageRepositoryList{
+				Items: []imagev1.ImageRepository{
+					*o,
+				}}}
+			return sink, nil
+		})
+
+		if err != nil {
+			return err
+		}
+
+		if err := get.run(cmd, args); err != nil {
+			return err
+		}
+
+		return nil
+	},
 }
 
 func init() {

cmd/flux/get_image_update.go

@@ -17,11 +17,13 @@ limitations under the License.
 package main
 
 import (
+	"fmt"
 	"strconv"
 	"strings"
 	"time"
 
 	"github.com/spf13/cobra"
+	"k8s.io/apimachinery/pkg/runtime"
 
 	autov1 "github.com/fluxcd/image-automation-controller/api/v1beta1"
 )
@@ -35,10 +37,36 @@ var getImageUpdateCmd = &cobra.Command{
 
  # List image update automations from all namespaces
   flux get image update --all-namespaces`,
-	RunE: getCommand{
-		apiType: imageUpdateAutomationType,
-		list:    &imageUpdateAutomationListAdapter{&autov1.ImageUpdateAutomationList{}},
-	}.run,
+	RunE: func(cmd *cobra.Command, args []string) error {
+		get := getCommand{
+			apiType: imageUpdateAutomationType,
+			list:    &imageUpdateAutomationListAdapter{&autov1.ImageUpdateAutomationList{}},
+			funcMap: make(typeMap),
+		}
+
+		err := get.funcMap.registerCommand(get.apiType.kind, func(obj runtime.Object) (summarisable, error) {
+			o, ok := obj.(*autov1.ImageUpdateAutomation)
+			if !ok {
+				return nil, fmt.Errorf("Impossible to cast type %#v update", obj)
+			}
+
+			sink := imageUpdateAutomationListAdapter{&autov1.ImageUpdateAutomationList{
+				Items: []autov1.ImageUpdateAutomation{
+					*o,
+				}}}
+			return sink, nil
+		})
+
+		if err != nil {
+			return err
+		}
+
+		if err := get.run(cmd, args); err != nil {
+			return err
+		}
+
+		return nil
+	},
 }
 
 func init() {

cmd/flux/get_kustomization.go

@@ -17,10 +17,12 @@ limitations under the License.
 package main
 
 import (
+	"fmt"
 	"strconv"
 	"strings"
 
 	"github.com/spf13/cobra"
+	"k8s.io/apimachinery/pkg/runtime"
 
 	kustomizev1 "github.com/fluxcd/kustomize-controller/api/v1beta1"
 )
@@ -32,10 +34,39 @@ var getKsCmd = &cobra.Command{
 	Long:    "The get kustomizations command prints the statuses of the resources.",
 	Example: `  # List all kustomizations and their status
   flux get kustomizations`,
-	RunE: getCommand{
-		apiType: kustomizationType,
-		list:    &kustomizationListAdapter{&kustomizev1.KustomizationList{}},
-	}.run,
+	RunE: func(cmd *cobra.Command, args []string) error {
+		get := getCommand{
+			apiType: kustomizationType,
+			list:    &kustomizationListAdapter{&kustomizev1.KustomizationList{}},
+			funcMap: make(typeMap),
+		}
+
+		err := get.funcMap.registerCommand(get.apiType.kind, func(obj runtime.Object) (summarisable, error) {
+			o, ok := obj.(*kustomizev1.Kustomization)
+			if !ok {
+				return nil, fmt.Errorf("Impossible to cast type %#v kustomization", obj)
+			}
+
+			sink := kustomizationListAdapter{
+				&kustomizev1.KustomizationList{
+					Items: []kustomizev1.Kustomization{
+						*o,
+					},
+				},
+			}
+			return sink, nil
+		})
+
+		if err != nil {
+			return err
+		}
+
+		if err := get.run(cmd, args); err != nil {
+			return err
+		}
+
+		return nil
+	},
 }
 
 func init() {

cmd/flux/get_receiver.go

@@ -17,10 +17,12 @@ limitations under the License.
 package main
 
 import (
+	"fmt"
 	"strconv"
 	"strings"
 
 	"github.com/spf13/cobra"
+	"k8s.io/apimachinery/pkg/runtime"
 
 	notificationv1 "github.com/fluxcd/notification-controller/api/v1beta1"
 )
@@ -32,10 +34,36 @@ var getReceiverCmd = &cobra.Command{
 	Long:    "The get receiver command prints the statuses of the resources.",
 	Example: `  # List all Receiver and their status
   flux get receivers`,
-	RunE: getCommand{
-		apiType: receiverType,
-		list:    receiverListAdapter{&notificationv1.ReceiverList{}},
-	}.run,
+	RunE: func(cmd *cobra.Command, args []string) error {
+		get := getCommand{
+			apiType: receiverType,
+			list:    receiverListAdapter{&notificationv1.ReceiverList{}},
+			funcMap: make(typeMap),
+		}
+
+		err := get.funcMap.registerCommand(get.apiType.kind, func(obj runtime.Object) (summarisable, error) {
+			o, ok := obj.(*notificationv1.Receiver)
+			if !ok {
+				return nil, fmt.Errorf("Impossible to cast type %#v receiver", obj)
+			}
+
+			sink := receiverListAdapter{&notificationv1.ReceiverList{
+				Items: []notificationv1.Receiver{
+					*o,
+				}}}
+			return sink, nil
+		})
+
+		if err != nil {
+			return err
+		}
+
+		if err := get.run(cmd, args); err != nil {
+			return err
+		}
+
+		return nil
+	},
 }
 
 func init() {

cmd/flux/get_source.go

@@ -25,6 +25,10 @@ var getSourceCmd = &cobra.Command{
 	Aliases: []string{"source"},
 	Short:   "Get source statuses",
 	Long:    "The get source sub-commands print the statuses of the sources.",
+	RunE: func(cmd *cobra.Command, args []string) error {
+
+		return validateWatchOption(cmd, "sources")
+	},
 }
 
 func init() {

cmd/flux/get_source_all.go

@@ -34,6 +34,11 @@ var getSourceAllCmd = &cobra.Command{
   # List all sources in all namespaces
   flux get sources all --all-namespaces`,
 	RunE: func(cmd *cobra.Command, args []string) error {
+		err := validateWatchOption(cmd, "all")
+		if err != nil {
+			return err
+		}
+
 		var allSourceCmd = []getCommand{
 			{
 				apiType: bucketType,

cmd/flux/get_source_bucket.go

@@ -17,10 +17,12 @@ limitations under the License.
 package main
 
 import (
+	"fmt"
 	"strconv"
 	"strings"
 
 	"github.com/spf13/cobra"
+	"k8s.io/apimachinery/pkg/runtime"
 
 	sourcev1 "github.com/fluxcd/source-controller/api/v1beta1"
 )
@@ -34,10 +36,36 @@ var getSourceBucketCmd = &cobra.Command{
 
  # List buckets from all namespaces
   flux get sources helm --all-namespaces`,
-	RunE: getCommand{
-		apiType: bucketType,
-		list:    &bucketListAdapter{&sourcev1.BucketList{}},
-	}.run,
+	RunE: func(cmd *cobra.Command, args []string) error {
+		get := getCommand{
+			apiType: bucketType,
+			list:    &bucketListAdapter{&sourcev1.BucketList{}},
+			funcMap: make(typeMap),
+		}
+
+		err := get.funcMap.registerCommand(get.apiType.kind, func(obj runtime.Object) (summarisable, error) {
+			o, ok := obj.(*sourcev1.Bucket)
+			if !ok {
+				return nil, fmt.Errorf("Impossible to cast type %#v bucket", obj)
+			}
+
+			sink := &bucketListAdapter{&sourcev1.BucketList{
+				Items: []sourcev1.Bucket{
+					*o,
+				}}}
+			return sink, nil
+		})
+
+		if err != nil {
+			return err
+		}
+
+		if err := get.run(cmd, args); err != nil {
+			return err
+		}
+
+		return nil
+	},
 }
 
 func init() {

cmd/flux/get_source_chart.go

@@ -17,10 +17,12 @@ limitations under the License.
 package main
 
 import (
+	"fmt"
 	"strconv"
 	"strings"
 
 	"github.com/spf13/cobra"
+	"k8s.io/apimachinery/pkg/runtime"
 
 	sourcev1 "github.com/fluxcd/source-controller/api/v1beta1"
 )
@@ -34,10 +36,36 @@ var getSourceHelmChartCmd = &cobra.Command{
 
  # List Helm charts from all namespaces
   flux get sources chart --all-namespaces`,
-	RunE: getCommand{
-		apiType: helmChartType,
-		list:    &helmChartListAdapter{&sourcev1.HelmChartList{}},
-	}.run,
+	RunE: func(cmd *cobra.Command, args []string) error {
+		get := getCommand{
+			apiType: helmChartType,
+			list:    &helmChartListAdapter{&sourcev1.HelmChartList{}},
+			funcMap: make(typeMap),
+		}
+
+		err := get.funcMap.registerCommand(get.apiType.kind, func(obj runtime.Object) (summarisable, error) {
+			o, ok := obj.(*sourcev1.HelmChart)
+			if !ok {
+				return nil, fmt.Errorf("Impossible to cast type %#v chart", obj)
+			}
+
+			sink := &helmChartListAdapter{&sourcev1.HelmChartList{
+				Items: []sourcev1.HelmChart{
+					*o,
+				}}}
+			return sink, nil
+		})
+
+		if err != nil {
+			return err
+		}
+
+		if err := get.run(cmd, args); err != nil {
+			return err
+		}
+
+		return nil
+	},
 }
 
 func init() {

cmd/flux/get_source_git.go

@@ -17,10 +17,12 @@ limitations under the License.
 package main
 
 import (
+	"fmt"
 	"strconv"
 	"strings"
 
 	"github.com/spf13/cobra"
+	"k8s.io/apimachinery/pkg/runtime"
 
 	sourcev1 "github.com/fluxcd/source-controller/api/v1beta1"
 )
@@ -34,10 +36,36 @@ var getSourceGitCmd = &cobra.Command{
 
  # List Git repositories from all namespaces
   flux get sources git --all-namespaces`,
-	RunE: getCommand{
-		apiType: gitRepositoryType,
-		list:    &gitRepositoryListAdapter{&sourcev1.GitRepositoryList{}},
-	}.run,
+	RunE: func(cmd *cobra.Command, args []string) error {
+		get := getCommand{
+			apiType: gitRepositoryType,
+			list:    &gitRepositoryListAdapter{&sourcev1.GitRepositoryList{}},
+			funcMap: make(typeMap),
+		}
+
+		err := get.funcMap.registerCommand(get.apiType.kind, func(obj runtime.Object) (summarisable, error) {
+			o, ok := obj.(*sourcev1.GitRepository)
+			if !ok {
+				return nil, fmt.Errorf("Impossible to cast type %#v git", obj)
+			}
+
+			sink := &gitRepositoryListAdapter{&sourcev1.GitRepositoryList{
+				Items: []sourcev1.GitRepository{
+					*o,
+				}}}
+			return sink, nil
+		})
+
+		if err != nil {
+			return err
+		}
+
+		if err := get.run(cmd, args); err != nil {
+			return err
+		}
+
+		return nil
+	},
 }
 
 func init() {

cmd/flux/get_source_helm.go

@@ -17,10 +17,12 @@ limitations under the License.
 package main
 
 import (
+	"fmt"
 	"strconv"
 	"strings"
 
 	"github.com/spf13/cobra"
+	"k8s.io/apimachinery/pkg/runtime"
 
 	sourcev1 "github.com/fluxcd/source-controller/api/v1beta1"
 )
@@ -34,10 +36,36 @@ var getSourceHelmCmd = &cobra.Command{
 
  # List Helm repositories from all namespaces
   flux get sources helm --all-namespaces`,
-	RunE: getCommand{
-		apiType: helmRepositoryType,
-		list:    &helmRepositoryListAdapter{&sourcev1.HelmRepositoryList{}},
-	}.run,
+	RunE: func(cmd *cobra.Command, args []string) error {
+		get := getCommand{
+			apiType: helmRepositoryType,
+			list:    &helmRepositoryListAdapter{&sourcev1.HelmRepositoryList{}},
+			funcMap: make(typeMap),
+		}
+
+		err := get.funcMap.registerCommand(get.apiType.kind, func(obj runtime.Object) (summarisable, error) {
+			o, ok := obj.(*sourcev1.HelmRepository)
+			if !ok {
+				return nil, fmt.Errorf("Impossible to cast type %#v helm", obj)
+			}
+
+			sink := &helmRepositoryListAdapter{&sourcev1.HelmRepositoryList{
+				Items: []sourcev1.HelmRepository{
+					*o,
+				}}}
+			return sink, nil
+		})
+
+		if err != nil {
+			return err
+		}
+
+		if err := get.run(cmd, args); err != nil {
+			return err
+		}
+
+		return nil
+	},
 }
 
 func init() {

cmd/flux/helmrelease.go

@@ -37,6 +37,10 @@ func (h helmReleaseAdapter) asClientObject() client.Object {
 	return h.HelmRelease
 }
 
+func (h helmReleaseAdapter) deepCopyClientObject() client.Object {
+	return h.HelmRelease.DeepCopy()
+}
+
 // helmv2.HelmReleaseList
 
 type helmReleaseListAdapter struct {

cmd/flux/image.go

@@ -42,6 +42,10 @@ func (a imageRepositoryAdapter) asClientObject() client.Object {
 	return a.ImageRepository
 }
 
+func (a imageRepositoryAdapter) deepCopyClientObject() client.Object {
+	return a.ImageRepository.DeepCopy()
+}
+
 // imagev1.ImageRepositoryList
 
 type imageRepositoryListAdapter struct {
@@ -100,6 +104,10 @@ func (a imageUpdateAutomationAdapter) asClientObject() client.Object {
 	return a.ImageUpdateAutomation
 }
 
+func (a imageUpdateAutomationAdapter) deepCopyClientObject() client.Object {
+	return a.ImageUpdateAutomation.DeepCopy()
+}
+
 // autov1.ImageUpdateAutomationList
 
 type imageUpdateAutomationListAdapter struct {

cmd/flux/install.go

@@ -19,7 +19,6 @@ package main
 import (
 	"context"
 	"fmt"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"strings"
@@ -132,7 +131,7 @@ func installCmdRun(cmd *cobra.Command, args []string) error {
 		logger.Generatef("generating manifests")
 	}
 
-	tmpDir, err := ioutil.TempDir("", rootArgs.namespace)
+	tmpDir, err := os.MkdirTemp("", rootArgs.namespace)
 	if err != nil {
 		return err
 	}

cmd/flux/kustomization.go

@@ -37,6 +37,10 @@ func (a kustomizationAdapter) asClientObject() client.Object {
 	return a.Kustomization
 }
 
+func (a kustomizationAdapter) deepCopyClientObject() client.Object {
+	return a.Kustomization.DeepCopy()
+}
+
 // kustomizev1.KustomizationList
 
 type kustomizationListAdapter struct {

cmd/flux/main.go

@@ -25,6 +25,7 @@ import (
 	"github.com/spf13/cobra"
 	_ "k8s.io/client-go/plugin/pkg/client/auth"
 
+	"github.com/fluxcd/flux2/internal/utils"
 	"github.com/fluxcd/flux2/pkg/manifestgen/install"
 )
 
@@ -126,6 +127,18 @@ func NewRootFlags() rootFlags {
 	return rf
 }
 
+type rootContext struct {
+	kubeManager utils.KubeManager
+}
+
+var rootCtx = NewRootContext()
+
+func NewRootContext() rootContext {
+	var rc rootContext
+	rc.kubeManager = utils.DefaultKubeManager()
+	return rc
+}
+
 func main() {
 	log.SetFlags(0)
 	configureKubeconfig()

cmd/flux/main_test.go

@@ -0,0 +1,158 @@
+package main
+
+import (
+	"bufio"
+	"bytes"
+	"context"
+	"io"
+	"os"
+	"testing"
+
+	"github.com/fluxcd/flux2/internal/utils"
+	"github.com/google/go-cmp/cmp"
+	"github.com/mattn/go-shellwords"
+	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
+	k8syaml "k8s.io/apimachinery/pkg/util/yaml"
+	"sigs.k8s.io/controller-runtime/pkg/client"
+	fakeclient "sigs.k8s.io/controller-runtime/pkg/client/fake"
+)
+
+func TestMain(m *testing.M) {
+	// Ensure tests print consistent timestamps regardless of timezone
+	os.Setenv("TZ", "UTC")
+	os.Exit(m.Run())
+}
+
+func readYamlObjects(objectFile string) ([]client.Object, error) {
+	obj, err := os.ReadFile(objectFile)
+	if err != nil {
+		return nil, err
+	}
+	objects := []client.Object{}
+	reader := k8syaml.NewYAMLReader(bufio.NewReader(bytes.NewReader(obj)))
+	for {
+		doc, err := reader.Read()
+		if err != nil {
+			if err == io.EOF {
+				break
+			}
+		}
+		unstructuredObj := &unstructured.Unstructured{}
+		decoder := k8syaml.NewYAMLOrJSONDecoder(bytes.NewBuffer(doc), len(doc))
+		err = decoder.Decode(unstructuredObj)
+		if err != nil {
+			return nil, err
+		}
+		objects = append(objects, unstructuredObj)
+	}
+	return objects, nil
+}
+
+// A KubeManager that can create objects that are subject to a test.
+type fakeKubeManager struct {
+	fakeClient client.WithWatch
+}
+
+func (m *fakeKubeManager) NewClient(kubeconfig string, kubecontext string) (client.WithWatch, error) {
+	return m.fakeClient, nil
+}
+
+func (m *fakeKubeManager) CreateObjects(clientObjects []client.Object) error {
+	for _, obj := range clientObjects {
+		err := m.fakeClient.Create(context.Background(), obj)
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func NewFakeKubeManager() *fakeKubeManager {
+	c := fakeclient.NewClientBuilder().WithScheme(utils.NewScheme()).Build()
+	return &fakeKubeManager{
+		fakeClient: c,
+	}
+}
+
+// Run the command and return the captured output.
+func executeCommand(cmd string) (string, error) {
+	args, err := shellwords.Parse(cmd)
+	if err != nil {
+		return "", err
+	}
+
+	buf := new(bytes.Buffer)
+
+	rootCmd.SetOut(buf)
+	rootCmd.SetErr(buf)
+	rootCmd.SetArgs(args)
+
+	_, err = rootCmd.ExecuteC()
+	result := buf.String()
+
+	return result, err
+}
+
+// Structure used for each test to load objects into kubernetes, run
+// commands and assert on the expected output.
+type cmdTestCase struct {
+	// The command line arguments to test.
+	args string
+	// When true, the test expects the command to fail.
+	wantError bool
+	// String literal that contains the expected test output.
+	goldenValue string
+	// Filename that contains the expected test output.
+	goldenFile string
+	// Filename that contains yaml objects to load into Kubernetes
+	objectFile string
+}
+
+func (cmd *cmdTestCase) runTestCmd(t *testing.T) {
+	km := NewFakeKubeManager()
+	rootCtx.kubeManager = km
+
+	if cmd.objectFile != "" {
+		clientObjects, err := readYamlObjects(cmd.objectFile)
+		if err != nil {
+			t.Fatalf("Error loading yaml: '%v'", err)
+		}
+		err = km.CreateObjects(clientObjects)
+		if err != nil {
+			t.Fatalf("Error creating test objects: '%v'", err)
+		}
+	}
+
+	actual, err := executeCommand(cmd.args)
+	if (err != nil) != cmd.wantError {
+		t.Fatalf("Expected error='%v', Got: %v", cmd.wantError, err)
+	}
+	if err != nil {
+		actual = err.Error()
+	}
+
+	var expected string
+	if cmd.goldenValue != "" {
+		expected = cmd.goldenValue
+	}
+	if cmd.goldenFile != "" {
+		expectedOutput, err := os.ReadFile(cmd.goldenFile)
+		if err != nil {
+			t.Fatalf("Error reading golden file: '%s'", err)
+		}
+		expected = string(expectedOutput)
+	}
+
+	diff := cmp.Diff(expected, actual)
+	if diff != "" {
+		t.Errorf("Mismatch from '%s' (-want +got):\n%s", cmd.goldenFile, diff)
+	}
+}
+
+func TestVersion(t *testing.T) {
+	cmd := cmdTestCase{
+		args:        "--version",
+		goldenValue: "flux version 0.0.0-dev.0\n",
+	}
+	cmd.runTestCmd(t)
+}

cmd/flux/object.go

@@ -39,6 +39,13 @@ type adapter interface {
 	asClientObject() client.Object
 }
 
+// copyable is an interface for a wrapper or alias from which we can
+// get a deep copied client.Object, required when you e.g. want to
+// calculate a patch.
+type copyable interface {
+	deepCopyClientObject() client.Object
+}
+
 // listAdapater is the analogue to adapter, but for lists; the
 // controller runtime distinguishes between methods dealing with
 // objects and lists.

cmd/flux/receiver.go

@@ -37,6 +37,10 @@ func (a receiverAdapter) asClientObject() client.Object {
 	return a.Receiver
 }
 
+func (a receiverAdapter) deepCopyClientObject() client.Object {
+	return a.Receiver.DeepCopy()
+}
+
 // notificationv1.Receiver
 
 type receiverListAdapter struct {

cmd/flux/reconcile.go

@@ -52,6 +52,7 @@ type reconcileCommand struct {
 
 type reconcilable interface {
 	adapter     // to be able to load from the cluster
+	copyable    // to be able to calculate patches
 	suspendable // to tell if it's suspended
 
 	// these are implemented by anything embedding metav1.ObjectMeta
@@ -142,6 +143,7 @@ func requestReconciliation(ctx context.Context, kubeClient client.Client,
 		if err := kubeClient.Get(ctx, namespacedName, obj.asClientObject()); err != nil {
 			return err
 		}
+		patch := client.MergeFrom(obj.deepCopyClientObject())
 		if ann := obj.GetAnnotations(); ann == nil {
 			obj.SetAnnotations(map[string]string{
 				meta.ReconcileRequestAnnotation: time.Now().Format(time.RFC3339Nano),
@@ -150,7 +152,7 @@ func requestReconciliation(ctx context.Context, kubeClient client.Client,
 			ann[meta.ReconcileRequestAnnotation] = time.Now().Format(time.RFC3339Nano)
 			obj.SetAnnotations(ann)
 		}
-		return kubeClient.Update(ctx, obj.asClientObject())
+		return kubeClient.Patch(ctx, obj.asClientObject(), patch)
 	})
 }
 

cmd/flux/source.go

@@ -41,6 +41,10 @@ func (a bucketAdapter) asClientObject() client.Object {
 	return a.Bucket
 }
 
+func (a bucketAdapter) deepCopyClientObject() client.Object {
+	return a.Bucket.DeepCopy()
+}
+
 // sourcev1.BucketList
 
 type bucketListAdapter struct {
@@ -70,6 +74,10 @@ func (a helmChartAdapter) asClientObject() client.Object {
 	return a.HelmChart
 }
 
+func (a helmChartAdapter) deepCopyClientObject() client.Object {
+	return a.HelmChart.DeepCopy()
+}
+
 // sourcev1.HelmChartList
 
 type helmChartListAdapter struct {
@@ -99,6 +107,10 @@ func (a gitRepositoryAdapter) asClientObject() client.Object {
 	return a.GitRepository
 }
 
+func (a gitRepositoryAdapter) deepCopyClientObject() client.Object {
+	return a.GitRepository.DeepCopy()
+}
+
 // sourcev1.GitRepositoryList
 
 type gitRepositoryListAdapter struct {
@@ -128,6 +140,10 @@ func (a helmRepositoryAdapter) asClientObject() client.Object {
 	return a.HelmRepository
 }
 
+func (a helmRepositoryAdapter) deepCopyClientObject() client.Object {
+	return a.HelmRepository.DeepCopy()
+}
+
 // sourcev1.HelmRepositoryList
 
 type helmRepositoryListAdapter struct {

cmd/flux/testdata/trace/deployment.txt

@@ -0,0 +1,25 @@
+
+Object:         deployment/podinfo
+Namespace:      podinfo
+Status:         Managed by Flux
+---
+HelmRelease:    podinfo
+Namespace:      podinfo
+Revision:       6.0.0
+Status:         Last reconciled at 2021-07-16 15:42:20 +0000 UTC
+Message:        Release reconciliation succeeded
+---
+HelmChart:      podinfo-podinfo
+Namespace:      flux-system
+Chart:          podinfo
+Version:        6.0.0
+Revision:       6.0.0
+Status:         Last reconciled at 2021-07-16 15:32:09 +0000 UTC
+Message:        Fetched revision: 6.0.0
+---
+HelmRepository: podinfo
+Namespace:      flux-system
+URL:            https://stefanprodan.github.io/podinfo
+Revision:       8411f23d07d3701f0e96e7d9e503b7936d7e1d56
+Status:         Last reconciled at 2021-07-11 00:25:46 +0000 UTC
+Message:        Fetched revision: 8411f23d07d3701f0e96e7d9e503b7936d7e1d56

cmd/flux/testdata/trace/deployment.yaml

@@ -0,0 +1,129 @@
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  labels:
+    app.kubernetes.io/managed-by: Helm
+    app.kubernetes.io/name: podinfo
+    helm.toolkit.fluxcd.io/name: podinfo
+    helm.toolkit.fluxcd.io/namespace: podinfo
+  name: podinfo
+  namespace: podinfo
+spec:
+  replicas: 1
+  template:
+    metadata:
+      labels:
+        app.kubernetes.io/name: podinfo
+    spec:
+---
+apiVersion: helm.toolkit.fluxcd.io/v2beta1
+kind: HelmRelease
+metadata:
+  labels:
+    kustomize.toolkit.fluxcd.io/name: infrastructure
+    kustomize.toolkit.fluxcd.io/namespace: flux-system
+  name: podinfo
+  namespace: podinfo
+spec:
+  chart:
+    spec:
+      chart: podinfo
+      sourceRef:
+        kind: HelmRepository
+        name: podinfo
+        namespace: flux-system
+status:
+  conditions:
+  - lastTransitionTime: "2021-07-16T15:42:20Z"
+    message: Release reconciliation succeeded
+    reason: ReconciliationSucceeded
+    status: "True"
+    type: Ready
+  helmChart: flux-system/podinfo-podinfo
+  lastAppliedRevision: 6.0.0
+  lastAttemptedRevision: 6.0.0
+  lastAttemptedValuesChecksum: c31db75d05b7515eba2eef47bd71038c74b2e531
+---
+apiVersion: source.toolkit.fluxcd.io/v1beta1
+kind: HelmChart
+metadata:
+  name: podinfo-podinfo
+  namespace: flux-system
+spec:
+  chart: podinfo
+  sourceRef:
+    kind: HelmRepository
+    name: podinfo
+  version: 6.0.0
+status:
+  artifact:
+    checksum: cf13ba96773d9a879cd052c86e73199b3f96c854
+    lastUpdateTime: "2021-08-01T04:42:55Z"
+    revision: 6.0.0
+  conditions:
+  - lastTransitionTime: "2021-07-16T15:32:09Z"
+    message: 'Fetched revision: 6.0.0'
+    reason: ChartPullSucceeded
+    status: "True"
+    type: Ready
+
+---
+apiVersion: source.toolkit.fluxcd.io/v1beta1
+kind: HelmRepository
+metadata:
+  labels:
+    kustomize.toolkit.fluxcd.io/name: infrastructure
+    kustomize.toolkit.fluxcd.io/namespace: flux-system
+  name: podinfo
+  namespace: flux-system
+spec:
+  interval: 5m
+  timeout: 1m0s
+  url: https://stefanprodan.github.io/podinfo
+status:
+  artifact:
+    checksum: 8411f23d07d3701f0e96e7d9e503b7936d7e1d56
+    lastUpdateTime: "2021-07-11T00:25:46Z"
+    revision: 8411f23d07d3701f0e96e7d9e503b7936d7e1d56
+  conditions:
+  - lastTransitionTime: "2021-07-11T00:25:46Z"
+    message: 'Fetched revision: 8411f23d07d3701f0e96e7d9e503b7936d7e1d56'
+    reason: IndexationSucceed
+    status: "True"
+    type: Ready
+---
+apiVersion: kustomize.toolkit.fluxcd.io/v1beta1
+kind: Kustomization
+metadata:
+  name: infrastructure
+  namespace: flux-system
+spec:
+  path: ./infrastructure/
+  sourceRef:
+    kind: GitRepository
+    name: flux-system
+  validation: client
+status:
+  conditions:
+  - lastTransitionTime: "2021-08-01T04:52:56Z"
+    message: 'Applied revision: main/696f056df216eea4f9401adbee0ff744d4df390f'
+    reason: ReconciliationSucceeded
+    status: "True"
+    type: Ready
+---
+apiVersion: source.toolkit.fluxcd.io/v1beta1
+kind: GitRepository
+metadata:
+  labels:
+    kustomize.toolkit.fluxcd.io/name: flux-system
+    kustomize.toolkit.fluxcd.io/namespace: flux-system
+  name: flux-system
+  namespace: flux-system
+spec:
+  gitImplementation: go-git
+  ref:
+    branch: main
+  secretRef:
+    name: flux-system
+

cmd/flux/testdata/trace/helmrelease-missing-git-ref.txt

@@ -0,0 +1,18 @@
+
+Object:        HelmRelease/podinfo
+Namespace:     podinfo
+Status:        Managed by Flux
+---
+Kustomization: infrastructure
+Namespace:     flux-system
+Path:          ./infrastructure
+Revision:      main/696f056df216eea4f9401adbee0ff744d4df390f
+Status:        Last reconciled at 2021-08-01 04:52:56 +0000 UTC
+Message:       Applied revision: main/696f056df216eea4f9401adbee0ff744d4df390f
+---
+GitRepository: flux-system
+Namespace:     flux-system
+URL:           ssh://git@github.com/example/repo
+Revision:      main/696f056df216eea4f9401adbee0ff744d4df390f
+Status:        Last reconciled at 2021-07-20 00:48:16 +0000 UTC
+Message:       Fetched revision: main/696f056df216eea4f9401adbee0ff744d4df390f

cmd/flux/testdata/trace/helmrelease-missing-git-ref.yaml

@@ -0,0 +1,73 @@
+---
+apiVersion: helm.toolkit.fluxcd.io/v2beta1
+kind: HelmRelease
+metadata:
+  labels:
+    kustomize.toolkit.fluxcd.io/name: infrastructure
+    kustomize.toolkit.fluxcd.io/namespace: flux-system
+  name: podinfo
+  namespace: podinfo
+spec:
+  chart:
+    spec:
+      chart: podinfo
+      sourceRef:
+        kind: HelmRepository
+        name: podinfo
+        namespace: flux-system
+status:
+  conditions:
+  - lastTransitionTime: "2021-07-16T15:42:20Z"
+    message: Release reconciliation succeeded
+    reason: ReconciliationSucceeded
+    status: "True"
+    type: Ready
+  helmChart: flux-system/podinfo-podinfo
+  lastAppliedRevision: 6.0.0
+  lastAttemptedRevision: 6.0.0
+  lastAttemptedValuesChecksum: c31db75d05b7515eba2eef47bd71038c74b2e531
+---
+apiVersion: kustomize.toolkit.fluxcd.io/v1beta1
+kind: Kustomization
+metadata:
+  name: infrastructure
+  namespace: flux-system
+spec:
+  path: ./infrastructure
+  sourceRef:
+    kind: GitRepository
+    name: flux-system
+  validation: client
+status:
+  conditions:
+  - lastTransitionTime: "2021-08-01T04:52:56Z"
+    message: 'Applied revision: main/696f056df216eea4f9401adbee0ff744d4df390f'
+    reason: ReconciliationSucceeded
+    status: "True"
+    type: Ready
+  lastAppliedRevision: main/696f056df216eea4f9401adbee0ff744d4df390f
+---
+apiVersion: source.toolkit.fluxcd.io/v1beta1
+kind: GitRepository
+metadata:
+  labels:
+    kustomize.toolkit.fluxcd.io/name: flux-system
+    kustomize.toolkit.fluxcd.io/namespace: flux-system
+  name: flux-system
+  namespace: flux-system
+spec:
+  gitImplementation: go-git
+  secretRef:
+    name: flux-system
+  url: ssh://git@github.com/example/repo
+status:
+  artifact:
+    lastUpdateTime: "2021-08-01T04:28:42Z"
+    revision: main/696f056df216eea4f9401adbee0ff744d4df390f
+  conditions:
+  - lastTransitionTime: "2021-07-20T00:48:16Z"
+    message: 'Fetched revision: main/696f056df216eea4f9401adbee0ff744d4df390f'
+    reason: GitOperationSucceed
+    status: "True"
+    type: Ready
+

cmd/flux/testdata/trace/helmrelease.txt

@@ -0,0 +1,19 @@
+
+Object:        HelmRelease/podinfo
+Namespace:     podinfo
+Status:        Managed by Flux
+---
+Kustomization: infrastructure
+Namespace:     flux-system
+Path:          ./infrastructure
+Revision:      main/696f056df216eea4f9401adbee0ff744d4df390f
+Status:        Last reconciled at 2021-08-01 04:52:56 +0000 UTC
+Message:       Applied revision: main/696f056df216eea4f9401adbee0ff744d4df390f
+---
+GitRepository: flux-system
+Namespace:     flux-system
+URL:           ssh://git@github.com/example/repo
+Branch:        main
+Revision:      main/696f056df216eea4f9401adbee0ff744d4df390f
+Status:        Last reconciled at 2021-07-20 00:48:16 +0000 UTC
+Message:       Fetched revision: main/696f056df216eea4f9401adbee0ff744d4df390f

cmd/flux/testdata/trace/helmrelease.yaml

@@ -0,0 +1,75 @@
+---
+apiVersion: helm.toolkit.fluxcd.io/v2beta1
+kind: HelmRelease
+metadata:
+  labels:
+    kustomize.toolkit.fluxcd.io/name: infrastructure
+    kustomize.toolkit.fluxcd.io/namespace: flux-system
+  name: podinfo
+  namespace: podinfo
+spec:
+  chart:
+    spec:
+      chart: podinfo
+      sourceRef:
+        kind: HelmRepository
+        name: podinfo
+        namespace: flux-system
+status:
+  conditions:
+  - lastTransitionTime: "2021-07-16T15:42:20Z"
+    message: Release reconciliation succeeded
+    reason: ReconciliationSucceeded
+    status: "True"
+    type: Ready
+  helmChart: flux-system/podinfo-podinfo
+  lastAppliedRevision: 6.0.0
+  lastAttemptedRevision: 6.0.0
+  lastAttemptedValuesChecksum: c31db75d05b7515eba2eef47bd71038c74b2e531
+---
+apiVersion: kustomize.toolkit.fluxcd.io/v1beta1
+kind: Kustomization
+metadata:
+  name: infrastructure
+  namespace: flux-system
+spec:
+  path: ./infrastructure
+  sourceRef:
+    kind: GitRepository
+    name: flux-system
+  validation: client
+status:
+  conditions:
+  - lastTransitionTime: "2021-08-01T04:52:56Z"
+    message: 'Applied revision: main/696f056df216eea4f9401adbee0ff744d4df390f'
+    reason: ReconciliationSucceeded
+    status: "True"
+    type: Ready
+  lastAppliedRevision: main/696f056df216eea4f9401adbee0ff744d4df390f
+---
+apiVersion: source.toolkit.fluxcd.io/v1beta1
+kind: GitRepository
+metadata:
+  labels:
+    kustomize.toolkit.fluxcd.io/name: flux-system
+    kustomize.toolkit.fluxcd.io/namespace: flux-system
+  name: flux-system
+  namespace: flux-system
+spec:
+  gitImplementation: go-git
+  ref:
+    branch: main
+  secretRef:
+    name: flux-system
+  url: ssh://git@github.com/example/repo
+status:
+  artifact:
+    lastUpdateTime: "2021-08-01T04:28:42Z"
+    revision: main/696f056df216eea4f9401adbee0ff744d4df390f
+  conditions:
+  - lastTransitionTime: "2021-07-20T00:48:16Z"
+    message: 'Fetched revision: main/696f056df216eea4f9401adbee0ff744d4df390f'
+    reason: GitOperationSucceed
+    status: "True"
+    type: Ready
+

cmd/flux/trace.go

@@ -89,7 +89,7 @@ func traceCmdRun(cmd *cobra.Command, args []string) error {
 	ctx, cancel := context.WithTimeout(context.Background(), rootArgs.timeout)
 	defer cancel()
 
-	kubeClient, err := utils.KubeClient(rootArgs.kubeconfig, rootArgs.kubecontext)
+	kubeClient, err := rootCtx.kubeManager.NewClient(rootArgs.kubeconfig, rootArgs.kubecontext)
 	if err != nil {
 		return err
 	}
@@ -121,7 +121,7 @@ func traceCmdRun(cmd *cobra.Command, args []string) error {
 		if err != nil {
 			return err
 		}
-		fmt.Println(report)
+		rootCmd.Print(report)
 		return nil
 	}
 
@@ -130,7 +130,7 @@ func traceCmdRun(cmd *cobra.Command, args []string) error {
 		if err != nil {
 			return err
 		}
-		fmt.Println(report)
+		rootCmd.Print(report)
 		return nil
 	}
 
@@ -191,6 +191,7 @@ Status:        Unknown
 GitRepository: {{.GitRepository.Name}}
 Namespace:     {{.GitRepository.Namespace}}
 URL:           {{.GitRepository.Spec.URL}}
+{{- if .GitRepository.Spec.Reference }}
 {{- if .GitRepository.Spec.Reference.Tag }}
 Tag:           {{.GitRepository.Spec.Reference.Tag}}
 {{- else if .GitRepository.Spec.Reference.SemVer }}
@@ -198,6 +199,7 @@ Tag:           {{.GitRepository.Spec.Reference.SemVer}}
 {{- else if .GitRepository.Spec.Reference.Branch }}
 Branch:        {{.GitRepository.Spec.Reference.Branch}}
 {{- end }}
+{{- end }}
 {{- if .GitRepository.Status.Artifact }}
 Revision:      {{.GitRepository.Status.Artifact.Revision}}
 {{- end }}
@@ -361,6 +363,7 @@ Status:         Unknown
 GitRepository: {{.GitRepository.Name}}
 Namespace:     {{.GitRepository.Namespace}}
 URL:           {{.GitRepository.Spec.URL}}
+{{- if .GitRepository.Spec.Reference }}
 {{- if .GitRepository.Spec.Reference.Tag }}
 Tag:           {{.GitRepository.Spec.Reference.Tag}}
 {{- else if .GitRepository.Spec.Reference.SemVer }}
@@ -368,6 +371,7 @@ Tag:           {{.GitRepository.Spec.Reference.SemVer}}
 {{- else if .GitRepository.Spec.Reference.Branch }}
 Branch:        {{.GitRepository.Spec.Reference.Branch}}
 {{- end }}
+{{- end }}
 {{- if .GitRepository.Status.Artifact }}
 Revision:      {{.GitRepository.Status.Artifact.Revision}}
 {{- end }}

cmd/flux/trace_test.go

@@ -0,0 +1,44 @@
+package main
+
+import (
+	"testing"
+)
+
+func TestTraceNoArgs(t *testing.T) {
+	cmd := cmdTestCase{
+		args:        "trace",
+		wantError:   true,
+		goldenValue: "object name is required",
+	}
+	cmd.runTestCmd(t)
+}
+
+func TestTraceDeployment(t *testing.T) {
+	cmd := cmdTestCase{
+		args:       "trace podinfo -n podinfo --kind deployment --api-version=apps/v1",
+		wantError:  false,
+		goldenFile: "testdata/trace/deployment.txt",
+		objectFile: "testdata/trace/deployment.yaml",
+	}
+	cmd.runTestCmd(t)
+}
+
+func TestTraceHelmRelease(t *testing.T) {
+	cmd := cmdTestCase{
+		args:       "trace podinfo -n podinfo --kind HelmRelease --api-version=helm.toolkit.fluxcd.io/v2beta1",
+		wantError:  false,
+		goldenFile: "testdata/trace/helmrelease.txt",
+		objectFile: "testdata/trace/helmrelease.yaml",
+	}
+	cmd.runTestCmd(t)
+}
+
+func TestTraceHelmReleaseMissingGitRef(t *testing.T) {
+	cmd := cmdTestCase{
+		args:       "trace podinfo -n podinfo --kind HelmRelease --api-version=helm.toolkit.fluxcd.io/v2beta1",
+		wantError:  false,
+		goldenFile: "testdata/trace/helmrelease-missing-git-ref.txt",
+		objectFile: "testdata/trace/helmrelease-missing-git-ref.yaml",
+	}
+	cmd.runTestCmd(t)
+}

go.mod

@@ -6,30 +6,32 @@ require (
 	github.com/Masterminds/semver/v3 v3.1.0
 	github.com/cyphar/filepath-securejoin v0.2.2
 	github.com/fluxcd/go-git-providers v0.1.1
-	github.com/fluxcd/helm-controller/api v0.11.1
-	github.com/fluxcd/image-automation-controller/api v0.14.0
-	github.com/fluxcd/image-reflector-controller/api v0.11.0
-	github.com/fluxcd/kustomize-controller/api v0.13.2
-	github.com/fluxcd/notification-controller/api v0.15.0
+	github.com/fluxcd/helm-controller/api v0.11.2
+	github.com/fluxcd/image-automation-controller/api v0.14.1
+	github.com/fluxcd/image-reflector-controller/api v0.11.1
+	github.com/fluxcd/kustomize-controller/api v0.13.3
+	github.com/fluxcd/notification-controller/api v0.15.1
 	github.com/fluxcd/pkg/apis/meta v0.10.0
 	github.com/fluxcd/pkg/runtime v0.12.0
 	github.com/fluxcd/pkg/ssh v0.0.5
 	github.com/fluxcd/pkg/untar v0.0.5
 	github.com/fluxcd/pkg/version v0.0.1
-	github.com/fluxcd/source-controller/api v0.15.3
+	github.com/fluxcd/source-controller/api v0.15.4
 	github.com/go-git/go-git/v5 v5.4.2
+	github.com/google/go-cmp v0.5.5
 	github.com/google/go-containerregistry v0.2.0
 	github.com/manifoldco/promptui v0.7.0
+	github.com/mattn/go-shellwords v1.0.12
 	github.com/olekukonko/tablewriter v0.0.4
 	github.com/spf13/cobra v1.1.3
 	github.com/spf13/pflag v1.0.5
 	golang.org/x/crypto v0.0.0-20210421170649-83a5a9bb288b
-	k8s.io/api v0.21.1
-	k8s.io/apiextensions-apiserver v0.21.1
-	k8s.io/apimachinery v0.21.1
-	k8s.io/client-go v0.21.1
+	k8s.io/api v0.21.3
+	k8s.io/apiextensions-apiserver v0.21.3
+	k8s.io/apimachinery v0.21.3
+	k8s.io/client-go v0.21.3
 	sigs.k8s.io/cli-utils v0.25.1-0.20210608181808-f3974341173a
-	sigs.k8s.io/controller-runtime v0.9.0
+	sigs.k8s.io/controller-runtime v0.9.5
 	sigs.k8s.io/kustomize/api v0.8.10
 	sigs.k8s.io/yaml v1.2.0
 )

go.sum

@@ -112,6 +112,7 @@ github.com/aws/aws-sdk-go v1.27.0/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN
 github.com/aws/aws-sdk-go v1.28.2/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
 github.com/aws/aws-sdk-go v1.31.6/go.mod h1:5zCpMtNQVjRREroY7sYe8lOMRSxkhG6MZveU8YkpAk0=
 github.com/aws/aws-sdk-go-v2 v0.18.0/go.mod h1:JWVYvqSMppoMJC0x5wdwiImzgXTI9FuZwxzkQq9wy+g=
+github.com/benbjohnson/clock v1.1.0/go.mod h1:J11/hYXuz8f4ySSvYwY0FKfm+ezbsZBKZxNJlLklBHA=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
 github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
@@ -201,16 +202,16 @@ github.com/fatih/camelcase v1.0.0/go.mod h1:yN2Sb0lFhZJUdVvtELVWefmrXpuZESvPmqwo
 github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
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-github.com/fluxcd/helm-controller/api v0.11.1 h1:7oanAnhcRdqrnALDGpZcg5iuDqwCv+jNTmGvSrgDyCo=
-github.com/fluxcd/helm-controller/api v0.11.1/go.mod h1:nt5YdVS+jWXDSbP3gAX3HII6oX+8ahrHD6og2ZVsnN4=
-github.com/fluxcd/image-automation-controller/api v0.14.0 h1:8/mv1KUaXDzXq+TSJWLaPaswjNH7PgzJf6aZyg9vIYw=
-github.com/fluxcd/image-automation-controller/api v0.14.0/go.mod h1:WDBKSufHazCf065F9qPWtVPUN8kU4MdM5rVC1MoZtpk=
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-github.com/fluxcd/kustomize-controller/api v0.13.2/go.mod h1:hh8LG9D89cLeXJJv3z78aoFh03X9hn2FSiibofX3UBk=
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-github.com/fluxcd/notification-controller/api v0.15.0/go.mod h1:fh5AgXtcceoTpqVTHrISIVLcb3Z/qK8F9cysyhuAkfI=
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+github.com/fluxcd/notification-controller/api v0.15.1 h1:u3/CBzfE4Z8SUlzPfclv+BekDo4neODw8AhW3S8clMk=
+github.com/fluxcd/notification-controller/api v0.15.1/go.mod h1:t28GMWMLiLqho+ikpZrldv22/vmCsFdQR8vdJluxknc=
 github.com/fluxcd/pkg/apis/kustomize v0.1.0/go.mod h1:gEl+W5cVykCC3RfrCaqe+Pz+j4lKl2aeR4dxsom/zII=
 github.com/fluxcd/pkg/apis/kustomize v0.2.0 h1:jhu2QHvs+j3Zo9rR6w8hkO3LSC6h3M37zY5ejufOmxY=
 github.com/fluxcd/pkg/apis/kustomize v0.2.0/go.mod h1:gEl+W5cVykCC3RfrCaqe+Pz+j4lKl2aeR4dxsom/zII=
@@ -224,9 +225,8 @@ github.com/fluxcd/pkg/untar v0.0.5 h1:UGI3Ch1UIEIaqQvMicmImL1s9npQa64DJ/ozqHKB7g
 github.com/fluxcd/pkg/untar v0.0.5/go.mod h1:O6V9+rtl8c1mHBafgqFlJN6zkF1HS5SSYn7RpQJ/nfw=
 github.com/fluxcd/pkg/version v0.0.1 h1:/8asQoDXSThz3csiwi4Qo8Zb6blAxLXbtxNgeMJ9bCg=
 github.com/fluxcd/pkg/version v0.0.1/go.mod h1:WAF4FEEA9xyhngF8TDxg3UPu5fA1qhEYV8Pmi2Il01Q=
-github.com/fluxcd/source-controller/api v0.15.2/go.mod h1:P1pIkaoIsiCJ/NLC7IBXPb9XEime9NvA1WN4hZu2Of4=
-github.com/fluxcd/source-controller/api v0.15.3 h1:xJodSIQr/pAlUhVsmaiPNLV+tabSYLjr+93remjI3WI=
-github.com/fluxcd/source-controller/api v0.15.3/go.mod h1:P1pIkaoIsiCJ/NLC7IBXPb9XEime9NvA1WN4hZu2Of4=
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 github.com/flynn/go-shlex v0.0.0-20150515145356-3f9db97f8568/go.mod h1:xEzjJPgXI435gkrCt3MPfRiAkVrwSbHsst4LCFVfpJc=
 github.com/form3tech-oss/jwt-go v3.2.2+incompatible h1:TcekIExNqud5crz4xD2pavyTgWiPvpYe4Xau31I0PRk=
 github.com/form3tech-oss/jwt-go v3.2.2+incompatible/go.mod h1:pbq4aXjuKjdthFRnoDwaVPLA+WlJuPGy+QneDUgJi2k=
@@ -336,6 +336,7 @@ github.com/golang/groupcache v0.0.0-20160516000752-02826c3e7903/go.mod h1:cIg4er
 github.com/golang/groupcache v0.0.0-20190129154638-5b532d6fd5ef/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
 github.com/golang/groupcache v0.0.0-20190702054246-869f871628b6/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
 github.com/golang/groupcache v0.0.0-20191227052852-215e87163ea7/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
+github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e h1:1r7pUrabqp18hOBcwBwiTsbnFeTZHV9eER/QT5JVZxY=
 github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
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 github.com/golang/mock v1.2.0/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
@@ -398,6 +399,7 @@ github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510/go.mod h1:pupxD2MaaD3
 github.com/google/uuid v1.0.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/google/uuid v1.2.0 h1:qJYtXnJRWmpe7m/3XlyhrsLrEURqHRM2kxzoxXqyUDs=
 github.com/google/uuid v1.2.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/googleapis/gax-go/v2 v2.0.4/go.mod h1:0Wqv26UfaUD9n4G6kQubkQ+KchISgw+vpHVxEJEs9eg=
 github.com/googleapis/gax-go/v2 v2.0.5/go.mod h1:DWXyrwAJ9X0FpwwEdw+IPEYBICEFu5mhpdKc/us6bOk=
@@ -449,6 +451,7 @@ github.com/hashicorp/go.net v0.0.1/go.mod h1:hjKkEWcCURg++eb33jQU7oqQcI9XDCnUzHA
 github.com/hashicorp/golang-lru v0.5.0/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
 github.com/hashicorp/golang-lru v0.5.1/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
 github.com/hashicorp/golang-lru v0.5.3/go.mod h1:iADmTwqILo4mZ8BN3D2Q6+9jd8WM5uGBxy+E8yxSoD4=
+github.com/hashicorp/golang-lru v0.5.4 h1:YDjusn29QI/Das2iO9M0BHnIbxPeyuCHsjMW+lJfyTc=
 github.com/hashicorp/golang-lru v0.5.4/go.mod h1:iADmTwqILo4mZ8BN3D2Q6+9jd8WM5uGBxy+E8yxSoD4=
 github.com/hashicorp/hcl v1.0.0/go.mod h1:E5yfLk+7swimpb2L/Alb/PJmXilQ/rhwaUYs4T20WEQ=
 github.com/hashicorp/logutils v1.0.0/go.mod h1:QIAnNjmIWmVIIkWDTG1z5v++HQmx9WQRO+LraFDTW64=
@@ -537,6 +540,8 @@ github.com/mattn/go-isatty v0.0.4/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNx
 github.com/mattn/go-runewidth v0.0.2/go.mod h1:LwmH8dsx7+W8Uxz3IHJYH5QSwggIsqBzpuz5H//U1FU=
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+github.com/mattn/go-shellwords v1.0.12/go.mod h1:EZzvwXDESEeg03EKmM+RmDnNOPKG4lLtQsUlTZDWQ8Y=
 github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=
 github.com/matttproud/golang_protobuf_extensions v1.0.2-0.20181231171920-c182affec369/go.mod h1:BSXmuO+STAnVfrANrmjBb36TMTDstsz7MSK+HVaYKv4=
 github.com/maxbrunsfeld/counterfeiter/v6 v6.2.2/go.mod h1:eD9eIE7cdwcMi9rYluz88Jz2VyhSmden33/aXg4oVIY=
@@ -605,8 +610,9 @@ github.com/onsi/gomega v1.7.1/go.mod h1:XdKZgCCFLUoM/7CFJVPcG8C1xQ1AJ0vpAezJrB7J
 github.com/onsi/gomega v1.9.0/go.mod h1:Ho0h+IUsWyvy1OpqCwxlQ/21gkhVunqlU8fDGcoTdcA=
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-github.com/onsi/gomega v1.13.0 h1:7lLHu94wT9Ij0o6EWWclhu0aOh32VxhkwEJvzuWPeak=
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 github.com/op/go-logging v0.0.0-20160315200505-970db520ece7/go.mod h1:HzydrMdWErDVzsI23lYNej1Htcns9BCg93Dk0bBINWk=
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@@ -781,8 +787,9 @@ go.uber.org/tools v0.0.0-20190618225709-2cfd321de3ee/go.mod h1:vJERXedbb3MVM5f9E
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 golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20181029021203-45a5f77698d3/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
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@@ -959,9 +966,11 @@ golang.org/x/sys v0.0.0-20210309074719-68d13333faf2/go.mod h1:h1NjWce9XRLGQEsW7w
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@@ -980,8 +989,9 @@ golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxb
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@@ -1169,25 +1179,32 @@ honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWh
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-k8s.io/apiextensions-apiserver v0.21.1 h1:AA+cnsb6w7SZ1vD32Z+zdgfXdXY8X9uGX5bN6EoPEIo=
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+k8s.io/apiextensions-apiserver v0.21.3 h1:+B6biyUWpqt41kz5x6peIsljlsuwvNAp/oFax/j2/aY=
+k8s.io/apiextensions-apiserver v0.21.3/go.mod h1:kl6dap3Gd45+21Jnh6utCx8Z2xxLm8LGDkprcd+KbsE=
 k8s.io/apimachinery v0.18.8/go.mod h1:6sQd+iHEqmOtALqOFjSWp2KZ9F0wlU/nWm0ZgsYWMig=
-k8s.io/apimachinery v0.21.1 h1:Q6XuHGlj2xc+hlMCvqyYfbv3H7SRGn2c8NycxJquDVs=
 k8s.io/apimachinery v0.21.1/go.mod h1:jbreFvJo3ov9rj7eWT7+sYiRx+qZuCYXwWT1bcDswPY=
+k8s.io/apimachinery v0.21.3 h1:3Ju4nvjCngxxMYby0BimUk+pQHPOQp3eCGChk5kfVII=
+k8s.io/apimachinery v0.21.3/go.mod h1:H/IM+5vH9kZRNJ4l3x/fXP/5bOPJaVP/guptnZPeCFI=
 k8s.io/apiserver v0.18.8/go.mod h1:12u5FuGql8Cc497ORNj79rhPdiXQC4bf53X/skR/1YM=
 k8s.io/apiserver v0.21.1/go.mod h1:nLLYZvMWn35glJ4/FZRhzLG/3MPxAaZTgV4FJZdr+tY=
+k8s.io/apiserver v0.21.3/go.mod h1:eDPWlZG6/cCCMj/JBcEpDoK+I+6i3r9GsChYBHSbAzU=
 k8s.io/cli-runtime v0.21.1 h1:Oj/iZxa7LLXrhzShaLNF4rFJEIEBTDHj0dJw4ra2vX4=
 k8s.io/cli-runtime v0.21.1/go.mod h1:TI9Bvl8lQWZB2KqE91QLCp9AZE4l29zNFnj/x4IX4Fw=
 k8s.io/client-go v0.18.8/go.mod h1:HqFqMllQ5NnQJNwjro9k5zMyfhZlOwpuTLVrxjkYSxU=
-k8s.io/client-go v0.21.1 h1:bhblWYLZKUu+pm50plvQF8WpY6TXdRRtcS/K9WauOj4=
 k8s.io/client-go v0.21.1/go.mod h1:/kEw4RgW+3xnBGzvp9IWxKSNA+lXn3A7AuH3gdOAzLs=
+k8s.io/client-go v0.21.3 h1:J9nxZTOmvkInRDCzcSNQmPJbDYN/PjlxXT9Mos3HcLg=
+k8s.io/client-go v0.21.3/go.mod h1:+VPhCgTsaFmGILxR/7E1N0S+ryO010QBeNCv5JwRGYU=
 k8s.io/cloud-provider v0.18.8/go.mod h1:cn9AlzMPVIXA4HHLVbgGUigaQlZyHSZ7WAwDEFNrQSs=
 k8s.io/code-generator v0.17.2/go.mod h1:DVmfPQgxQENqDIzVR2ddLXMH34qeszkKSdH/N+s+38s=
 k8s.io/code-generator v0.21.1/go.mod h1:hUlps5+9QaTrKx+jiM4rmq7YmH8wPOIko64uZCHDh6Q=
+k8s.io/code-generator v0.21.3/go.mod h1:K3y0Bv9Cz2cOW2vXUrNZlFbflhuPvuadW6JdnN6gGKo=
 k8s.io/component-base v0.18.8/go.mod h1:00frPRDas29rx58pPCxNkhUfPbwajlyyvu8ruNgSErU=
 k8s.io/component-base v0.21.1/go.mod h1:NgzFZ2qu4m1juby4TnrmpR8adRk6ka62YdH5DkIIyKA=
+k8s.io/component-base v0.21.3/go.mod h1:kkuhtfEHeZM6LkX0saqSK8PbdO7A0HigUngmhhrwfGQ=
 k8s.io/component-helpers v0.21.1/go.mod h1:FtC1flbiQlosHQrLrRUulnKxE4ajgWCGy/67fT2GRlQ=
 k8s.io/csi-translation-lib v0.18.8/go.mod h1:6cA6Btlzxy9s3QrS4BCZzQqclIWnTLr6Jx3H2ctAzY4=
 k8s.io/gengo v0.0.0-20190128074634-0689ccc1d7d6/go.mod h1:ezvh/TsK7cY6rbqRK0oQQ8IAqLxYwwyPxAX1Pzy0ii0=
@@ -1214,8 +1231,9 @@ k8s.io/metrics v0.21.1/go.mod h1:pyDVLsLe++FIGDBFU80NcW4xMFsuiVTWL8Zfi7+PpNo=
 k8s.io/utils v0.0.0-20200324210504-a9aa75ae1b89/go.mod h1:sZAwmy6armz5eXlNoLmJcl4F1QuKu7sr+mFQ0byX7Ew=
 k8s.io/utils v0.0.0-20201110183641-67b214c5f920/go.mod h1:jPW/WVKK9YHAvNhRxK0md/EJ228hCsBRufyofKtW8HA=
 k8s.io/utils v0.0.0-20210517184530-5a248b5acedc/go.mod h1:jPW/WVKK9YHAvNhRxK0md/EJ228hCsBRufyofKtW8HA=
-k8s.io/utils v0.0.0-20210527160623-6fdb442a123b h1:MSqsVQ3pZvPGTqCjptfimO2WjG7A9un2zcpiHkA6M/s=
 k8s.io/utils v0.0.0-20210527160623-6fdb442a123b/go.mod h1:jPW/WVKK9YHAvNhRxK0md/EJ228hCsBRufyofKtW8HA=
+k8s.io/utils v0.0.0-20210722164352-7f3ee0f31471 h1:DnzUXII7sVg1FJ/4JX6YDRJfLNAC7idRatPwe07suiI=
+k8s.io/utils v0.0.0-20210722164352-7f3ee0f31471/go.mod h1:jPW/WVKK9YHAvNhRxK0md/EJ228hCsBRufyofKtW8HA=
 modernc.org/cc v1.0.0/go.mod h1:1Sk4//wdnYJiUIxnW8ddKpaOJCF37yAdqYnkxUpaYxw=
 modernc.org/golex v1.0.0/go.mod h1:b/QX9oBD/LhixY6NDh+IdGv17hgB+51fET1i2kPSmvk=
 modernc.org/mathutil v1.0.0/go.mod h1:wU0vUrJsVWBZ4P6e7xtFJEhFSNsfRLJ8H458uRjg03k=
@@ -1226,11 +1244,13 @@ rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
 rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
 sigs.k8s.io/apiserver-network-proxy/konnectivity-client v0.0.7/go.mod h1:PHgbrJT7lCHcxMU+mDHEm+nx46H4zuuHZkDP6icnhu0=
 sigs.k8s.io/apiserver-network-proxy/konnectivity-client v0.0.15/go.mod h1:LEScyzhFmoF5pso/YSeBstl57mOzx9xlU9n85RGrDQg=
+sigs.k8s.io/apiserver-network-proxy/konnectivity-client v0.0.19/go.mod h1:LEScyzhFmoF5pso/YSeBstl57mOzx9xlU9n85RGrDQg=
 sigs.k8s.io/cli-utils v0.25.1-0.20210608181808-f3974341173a h1:S17+FPWGsOonXim+GcadLcSblEwL131Y9fKLfifSYkY=
 sigs.k8s.io/cli-utils v0.25.1-0.20210608181808-f3974341173a/go.mod h1:I4jgHr6uRfX0CkOMECwSgg2J48rNzZE1+kDXj9SnJBc=
 sigs.k8s.io/controller-runtime v0.9.0-beta.5.0.20210524185538-7181f1162e79/go.mod h1:rgf+cBz72pYlKXDRNhI1WFQv/S86EMUV4/ySmsEYgHk=
-sigs.k8s.io/controller-runtime v0.9.0 h1:ZIZ/dtpboPSbZYY7uUz2OzrkaBTOThx2yekLtpGB+zY=
 sigs.k8s.io/controller-runtime v0.9.0/go.mod h1:TgkfvrhhEw3PlI0BRL/5xM+89y3/yc0ZDfdbTl84si8=
+sigs.k8s.io/controller-runtime v0.9.5 h1:WThcFE6cqctTn2jCZprLICO6BaKZfhsT37uAapTNfxc=
+sigs.k8s.io/controller-runtime v0.9.5/go.mod h1:q6PpkM5vqQubEKUKOM6qr06oXGzOBcCby1DA9FbyZeA=
 sigs.k8s.io/kustomize/api v0.8.8/go.mod h1:He1zoK0nk43Pc6NlV085xDXDXTNprtcyKZVm3swsdNY=
 sigs.k8s.io/kustomize/api v0.8.10 h1:CqbdK/qT7JE+uVETkrVMk7pQf0fPFXk9+QQ//Q7sAtc=
 sigs.k8s.io/kustomize/api v0.8.10/go.mod h1:ImeIkhUU7GIhamOtKPlkllt+fkBKL5f6/4NLhVwkinA=
@@ -1244,8 +1264,9 @@ sigs.k8s.io/structured-merge-diff v0.0.0-20190525122527-15d366b2352e/go.mod h1:w
 sigs.k8s.io/structured-merge-diff/v3 v3.0.0-20200116222232-67a7b8c61874/go.mod h1:PlARxl6Hbt/+BC80dRLi1qAmnMqwqDg62YvvVkZjemw=
 sigs.k8s.io/structured-merge-diff/v3 v3.0.0/go.mod h1:PlARxl6Hbt/+BC80dRLi1qAmnMqwqDg62YvvVkZjemw=
 sigs.k8s.io/structured-merge-diff/v4 v4.0.2/go.mod h1:bJZC9H9iH24zzfZ/41RGcq60oK1F7G282QMXDPYydCw=
-sigs.k8s.io/structured-merge-diff/v4 v4.1.0 h1:C4r9BgJ98vrKnnVCjwCSXcWjWe0NKcUQkmzDXZXGwH8=
 sigs.k8s.io/structured-merge-diff/v4 v4.1.0/go.mod h1:bJZC9H9iH24zzfZ/41RGcq60oK1F7G282QMXDPYydCw=
+sigs.k8s.io/structured-merge-diff/v4 v4.1.2 h1:Hr/htKFmJEbtMgS/UD0N+gtgctAqz81t3nu+sPzynno=
+sigs.k8s.io/structured-merge-diff/v4 v4.1.2/go.mod h1:j/nl6xW8vLS49O8YvXW1ocPhZawJtm+Yrr7PPRQ0Vg4=
 sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o=
 sigs.k8s.io/yaml v1.2.0 h1:kr/MCeFWJWTwyaHoR9c8EjH9OumOmoF9YGiZd7lFm/Q=
 sigs.k8s.io/yaml v1.2.0/go.mod h1:yfXDCHCao9+ENCvLSE62v9VSji2MKu5jeNfTrofGhJc=

internal/bootstrap/bootstrap_plain_git.go

@@ -19,7 +19,6 @@ package bootstrap
 import (
 	"context"
 	"fmt"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"strings"
@@ -160,7 +159,7 @@ func (b *PlainGitBootstrapper) ReconcileComponents(ctx context.Context, manifest
 		// Apply components using any existing customisations
 		kfile := filepath.Join(filepath.Dir(componentsYAML), konfig.DefaultKustomizationFileName())
 		if _, err := os.Stat(kfile); err == nil {
-			tmpDir, err := ioutil.TempDir("", "gotk-crds")
+			tmpDir, err := os.MkdirTemp("", "gotk-crds")
 			defer os.RemoveAll(tmpDir)
 
 			// Extract the CRDs from the components manifest

internal/utils/testdata/components-with-crds.yaml

@@ -0,0 +1,69 @@
+---
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: flux-system
+---
+apiVersion: apiextensions.k8s.io/v1
+kind: CustomResourceDefinition
+metadata:
+  creationTimestamp: null
+  name: alerts.notification.toolkit.fluxcd.io
+spec:
+  group: notification.toolkit.fluxcd.io
+  names:
+    kind: Alert
+    listKind: AlertList
+    plural: alerts
+    singular: alert
+  scope: Namespaced
+  versions:
+  - name: v1beta1
+    served: true
+    storage: true
+    subresources:
+      status: {}
+status:
+  acceptedNames:
+    kind: ""
+    plural: ""
+  conditions: []
+  storedVersions: []
+---
+apiVersion: apiextensions.k8s.io/v1
+kind: CustomResourceDefinition
+metadata:
+  creationTimestamp: null
+  name: buckets.source.toolkit.fluxcd.io
+spec:
+  group: source.toolkit.fluxcd.io
+  names:
+    kind: Bucket
+    listKind: BucketList
+    plural: buckets
+    singular: bucket
+  scope: Namespaced
+  versions:
+  - name: v1beta1
+    served: true
+    storage: true
+    subresources:
+      status: {}
+status:
+  acceptedNames:
+    kind: ""
+    plural: ""
+  conditions: []
+  storedVersions: []
+---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: kustomize-controller
+  namespace: flux-system
+---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: notification-controller
+  namespace: flux-system

internal/utils/testdata/components-without-crds.yaml

@@ -0,0 +1,17 @@
+---
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: flux-system
+---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: kustomize-controller
+  namespace: flux-system
+---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: notification-controller
+  namespace: flux-system

internal/utils/utils.go

@@ -21,7 +21,6 @@ import (
 	"context"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"os"
 	"os/exec"
 	"path/filepath"
@@ -132,12 +131,39 @@ func KubeConfig(kubeConfigPath string, kubeContext string) (*rest.Config, error)
 	return cfg, nil
 }
 
-func KubeClient(kubeConfigPath string, kubeContext string) (client.Client, error) {
+// KubeManger creates a Kubernetes client.Client. This interface exists to
+// facilitate unit testing and provide a fake client.
+type KubeManager interface {
+	NewClient(string, string) (client.WithWatch, error)
+}
+
+type defaultKubeManager struct{}
+
+func DefaultKubeManager() KubeManager {
+	var manager defaultKubeManager
+	return manager
+}
+
+func (m defaultKubeManager) NewClient(kubeConfigPath string, kubeContext string) (client.WithWatch, error) {
 	cfg, err := KubeConfig(kubeConfigPath, kubeContext)
 	if err != nil {
 		return nil, fmt.Errorf("kubernetes client initialization failed: %w", err)
 	}
 
+	scheme := NewScheme()
+	kubeClient, err := client.NewWithWatch(cfg, client.Options{
+		Scheme: scheme,
+	})
+	if err != nil {
+		return nil, fmt.Errorf("kubernetes client initialization failed: %w", err)
+	}
+
+	return kubeClient, nil
+}
+
+// Create the Scheme, methods for serializing and deserializing API objects
+// which can be shared by tests.
+func NewScheme() *apiruntime.Scheme {
 	scheme := apiruntime.NewScheme()
 	_ = apiextensionsv1.AddToScheme(scheme)
 	_ = corev1.AddToScheme(scheme)
@@ -150,15 +176,13 @@ func KubeClient(kubeConfigPath string, kubeContext string) (client.Client, error
 	_ = notificationv1.AddToScheme(scheme)
 	_ = imagereflectv1.AddToScheme(scheme)
 	_ = imageautov1.AddToScheme(scheme)
+	return scheme
+}
 
-	kubeClient, err := client.New(cfg, client.Options{
-		Scheme: scheme,
-	})
-	if err != nil {
-		return nil, fmt.Errorf("kubernetes client initialization failed: %w", err)
-	}
-
-	return kubeClient, nil
+func KubeClient(kubeConfigPath string, kubeContext string) (client.WithWatch, error) {
+	m := DefaultKubeManager()
+	kubeClient, err := m.NewClient(kubeConfigPath, kubeContext)
+	return kubeClient, err
 }
 
 // SplitKubeConfigPath splits the given KUBECONFIG path based on the runtime OS
@@ -223,11 +247,7 @@ func ParseObjectKindName(input string) (kind, name string) {
 // ParseObjectKindNameNamespace extracts the kind, name and namespace of a resource
 // based on the '<kind>/<name>.<namespace>' format
 func ParseObjectKindNameNamespace(input string) (kind, name, namespace string) {
-	name = input
-	parts := strings.Split(input, "/")
-	if len(parts) == 2 {
-		kind, name = parts[0], parts[1]
-	}
+	kind, name = ParseObjectKindName(input)
 
 	if nn := strings.Split(name, "."); len(nn) > 1 {
 		name = strings.Join(nn[:len(nn)-1], ".")
@@ -308,7 +328,7 @@ func CompatibleVersion(binary, target string) bool {
 }
 
 func ExtractCRDs(inManifestPath, outManifestPath string) error {
-	manifests, err := ioutil.ReadFile(inManifestPath)
+	manifests, err := os.ReadFile(inManifestPath)
 	if err != nil {
 		return err
 	}
@@ -342,5 +362,5 @@ func ExtractCRDs(inManifestPath, outManifestPath string) error {
 		return fmt.Errorf("no CRDs found in %s", inManifestPath)
 	}
 
-	return ioutil.WriteFile(outManifestPath, []byte(crds), os.ModePerm)
+	return os.WriteFile(outManifestPath, []byte(crds), os.ModePerm)
 }

internal/utils/utils_test.go

@@ -16,7 +16,14 @@ limitations under the License.
 
 package utils
 
-import "testing"
+import (
+	"os"
+	"path/filepath"
+	"reflect"
+	"testing"
+
+	"github.com/fluxcd/pkg/runtime/dependency"
+)
 
 func TestCompatibleVersion(t *testing.T) {
 	tests := []struct {
@@ -40,3 +47,103 @@ func TestCompatibleVersion(t *testing.T) {
 		})
 	}
 }
+
+func TestParseObjectKindNameNamespace(t *testing.T) {
+	tests := []struct {
+		name          string
+		input         string
+		wantKind      string
+		wantName      string
+		wantNamespace string
+	}{
+		{"with kind name namespace", "Kustomization/foo.flux-system", "Kustomization", "foo", "flux-system"},
+		{"without namespace", "Kustomization/foo", "Kustomization", "foo", ""},
+		{"name with dots", "Kustomization/foo.bar.flux-system", "Kustomization", "foo.bar", "flux-system"},
+		{"multiple slashes", "foo/bar/baz", "", "foo/bar/baz", ""},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			gotKind, gotName, gotNamespace := ParseObjectKindNameNamespace(tt.input)
+			if gotKind != tt.wantKind {
+				t.Errorf("kind = %s, want %s", gotKind, tt.wantKind)
+			}
+			if gotName != tt.wantName {
+				t.Errorf("name = %s, want %s", gotName, tt.wantName)
+			}
+			if gotNamespace != tt.wantNamespace {
+				t.Errorf("namespace = %s, want %s", gotNamespace, tt.wantNamespace)
+			}
+		})
+	}
+}
+
+func TestMakeDependsOn(t *testing.T) {
+	input := []string{
+		"someNSA/someNameA",
+		"someNSB/someNameB",
+		"someNameC",
+		"someNSD/",
+		"",
+	}
+	want := []dependency.CrossNamespaceDependencyReference{
+		{Namespace: "someNSA", Name: "someNameA"},
+		{Namespace: "someNSB", Name: "someNameB"},
+		{Namespace: "", Name: "someNameC"},
+		{Namespace: "someNSD", Name: ""},
+		{Namespace: "", Name: ""},
+	}
+
+	got := MakeDependsOn(input)
+	if !reflect.DeepEqual(got, want) {
+		t.Errorf("MakeDependsOn() = %v, want %v", got, want)
+	}
+}
+
+func TestValidateComponents(t *testing.T) {
+	tests := []struct {
+		name      string
+		input     []string
+		expectErr bool
+	}{
+		{"default and extra components", []string{"source-controller", "image-reflector-controller"}, false},
+		{"unknown components", []string{"some-comp-1", "some-comp-2"}, true},
+		{"mix of default and unknown", []string{"source-controller", "some-comp-1"}, true},
+		{"empty", []string{}, false},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if err := ValidateComponents(tt.input); (err != nil) != tt.expectErr {
+				t.Errorf("ValidateComponents() error = %v, expectErr %v", err, tt.expectErr)
+			}
+		})
+	}
+}
+
+func TestExtractCRDs(t *testing.T) {
+	tests := []struct {
+		name           string
+		inManifestFile string
+		expectErr      bool
+	}{
+		{"with crds", "components-with-crds.yaml", false},
+		{"without crds", "components-without-crds.yaml", true},
+		{"non-existent file", "non-existent-file.yaml", true},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			// Create temporary directory to write the result in.
+			dir, err := os.MkdirTemp("", "flux-TestExtractCRDs")
+			if err != nil {
+				t.Fatalf("failed to create temporary directory: %v", err)
+			}
+			defer os.RemoveAll(dir)
+
+			outManifestPath := filepath.Join(dir, "crds.yaml")
+			inManifestPath := filepath.Join("testdata", tt.inManifestFile)
+			if err = ExtractCRDs(inManifestPath, outManifestPath); (err != nil) != tt.expectErr {
+				t.Errorf("ExtractCRDs() error = %v, expectErr %v", err, tt.expectErr)
+			}
+		})
+	}
+}

manifests/bases/helm-controller/kustomization.yaml

@@ -1,8 +1,8 @@
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
-- https://github.com/fluxcd/helm-controller/releases/download/v0.11.1/helm-controller.crds.yaml
-- https://github.com/fluxcd/helm-controller/releases/download/v0.11.1/helm-controller.deployment.yaml
+- https://github.com/fluxcd/helm-controller/releases/download/v0.11.2/helm-controller.crds.yaml
+- https://github.com/fluxcd/helm-controller/releases/download/v0.11.2/helm-controller.deployment.yaml
 - account.yaml
 patchesJson6902:
 - target:

manifests/bases/image-automation-controller/kustomization.yaml

@@ -1,8 +1,8 @@
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
-- https://github.com/fluxcd/image-automation-controller/releases/download/v0.14.0/image-automation-controller.crds.yaml
-- https://github.com/fluxcd/image-automation-controller/releases/download/v0.14.0/image-automation-controller.deployment.yaml
+- https://github.com/fluxcd/image-automation-controller/releases/download/v0.14.1/image-automation-controller.crds.yaml
+- https://github.com/fluxcd/image-automation-controller/releases/download/v0.14.1/image-automation-controller.deployment.yaml
 - account.yaml
 patchesJson6902:
 - target:

manifests/bases/image-reflector-controller/kustomization.yaml

@@ -1,8 +1,8 @@
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
-- https://github.com/fluxcd/image-reflector-controller/releases/download/v0.11.0/image-reflector-controller.crds.yaml
-- https://github.com/fluxcd/image-reflector-controller/releases/download/v0.11.0/image-reflector-controller.deployment.yaml
+- https://github.com/fluxcd/image-reflector-controller/releases/download/v0.11.1/image-reflector-controller.crds.yaml
+- https://github.com/fluxcd/image-reflector-controller/releases/download/v0.11.1/image-reflector-controller.deployment.yaml
 - account.yaml
 patchesJson6902:
 - target:

manifests/bases/kustomize-controller/kustomization.yaml

@@ -1,8 +1,8 @@
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
-- https://github.com/fluxcd/kustomize-controller/releases/download/v0.13.2/kustomize-controller.crds.yaml
-- https://github.com/fluxcd/kustomize-controller/releases/download/v0.13.2/kustomize-controller.deployment.yaml
+- https://github.com/fluxcd/kustomize-controller/releases/download/v0.13.3/kustomize-controller.crds.yaml
+- https://github.com/fluxcd/kustomize-controller/releases/download/v0.13.3/kustomize-controller.deployment.yaml
 - account.yaml
 patchesJson6902:
 - target:

manifests/bases/notification-controller/kustomization.yaml

@@ -1,8 +1,8 @@
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
-- https://github.com/fluxcd/notification-controller/releases/download/v0.15.0/notification-controller.crds.yaml
-- https://github.com/fluxcd/notification-controller/releases/download/v0.15.0/notification-controller.deployment.yaml
+- https://github.com/fluxcd/notification-controller/releases/download/v0.15.1/notification-controller.crds.yaml
+- https://github.com/fluxcd/notification-controller/releases/download/v0.15.1/notification-controller.deployment.yaml
 - account.yaml
 patchesJson6902:
   - target:

manifests/bases/source-controller/kustomization.yaml

@@ -1,8 +1,8 @@
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
-- https://github.com/fluxcd/source-controller/releases/download/v0.15.3/source-controller.crds.yaml
-- https://github.com/fluxcd/source-controller/releases/download/v0.15.3/source-controller.deployment.yaml
+- https://github.com/fluxcd/source-controller/releases/download/v0.15.4/source-controller.crds.yaml
+- https://github.com/fluxcd/source-controller/releases/download/v0.15.4/source-controller.deployment.yaml
 - account.yaml
 patchesJson6902:
 - target:

manifests/crds/kustomization.yaml

@@ -1,9 +1,9 @@
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
-- https://github.com/fluxcd/source-controller/releases/download/v0.15.3/source-controller.crds.yaml
-- https://github.com/fluxcd/kustomize-controller/releases/download/v0.13.2/kustomize-controller.crds.yaml
-- https://github.com/fluxcd/helm-controller/releases/download/v0.11.1/helm-controller.crds.yaml
-- https://github.com/fluxcd/notification-controller/releases/download/v0.15.0/notification-controller.crds.yaml
-- https://github.com/fluxcd/image-reflector-controller/releases/download/v0.11.0/image-reflector-controller.crds.yaml
-- https://github.com/fluxcd/image-automation-controller/releases/download/v0.14.0/image-automation-controller.crds.yaml
+- https://github.com/fluxcd/source-controller/releases/download/v0.15.4/source-controller.crds.yaml
+- https://github.com/fluxcd/kustomize-controller/releases/download/v0.13.3/kustomize-controller.crds.yaml
+- https://github.com/fluxcd/helm-controller/releases/download/v0.11.2/helm-controller.crds.yaml
+- https://github.com/fluxcd/notification-controller/releases/download/v0.15.1/notification-controller.crds.yaml
+- https://github.com/fluxcd/image-reflector-controller/releases/download/v0.11.1/image-reflector-controller.crds.yaml
+- https://github.com/fluxcd/image-automation-controller/releases/download/v0.14.1/image-automation-controller.crds.yaml

pkg/manifestgen/install/install.go

@@ -20,7 +20,6 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
 	"net/http"
 	"os"
 	"path"
@@ -55,7 +54,7 @@ func Generate(options Options, manifestsBase string) (*manifestgen.Manifest, err
 	} else {
 		// download the manifests base from GitHub
 		if manifestsBase == "" {
-			manifestsBase, err = ioutil.TempDir("", options.Namespace)
+			manifestsBase, err = os.MkdirTemp("", options.Namespace)
 			if err != nil {
 				return nil, fmt.Errorf("temp dir error: %w", err)
 			}
@@ -78,7 +77,7 @@ func Generate(options Options, manifestsBase string) (*manifestgen.Manifest, err
 		}
 	}
 
-	content, err := ioutil.ReadFile(output)
+	content, err := os.ReadFile(output)
 	if err != nil {
 		return nil, err
 	}

pkg/manifestgen/install/manifests.go

@@ -20,7 +20,6 @@ import (
 	"bytes"
 	"context"
 	"fmt"
-	"io/ioutil"
 	"net/http"
 	"os"
 	"path"
@@ -103,12 +102,12 @@ func generate(base string, options Options) error {
 	// workaround for kustomize not being able to patch the SA in ClusterRoleBindings
 	defaultNS := MakeDefaultOptions().Namespace
 	if defaultNS != options.Namespace {
-		rbac, err := ioutil.ReadFile(rbacFile)
+		rbac, err := os.ReadFile(rbacFile)
 		if err != nil {
 			return fmt.Errorf("reading rbac file failed: %w", err)
 		}
 		rbac = bytes.ReplaceAll(rbac, []byte(defaultNS), []byte(options.Namespace))
-		if err := ioutil.WriteFile(rbacFile, rbac, os.ModePerm); err != nil {
+		if err := os.WriteFile(rbacFile, rbac, os.ModePerm); err != nil {
 			return fmt.Errorf("replacing service account namespace in rbac failed: %w", err)
 		}
 	}

pkg/manifestgen/kustomization/kustomization.go

@@ -17,7 +17,6 @@ limitations under the License.
 package kustomization
 
 import (
-	"io/ioutil"
 	"os"
 	"path/filepath"
 
@@ -113,7 +112,7 @@ func Generate(options Options) (*manifestgen.Manifest, error) {
 		}, nil
 	}
 
-	kd, err := ioutil.ReadFile(abskfile)
+	kd, err := os.ReadFile(abskfile)
 	if err != nil {
 		return nil, err
 	}

pkg/manifestgen/manifest.go

@@ -18,7 +18,6 @@ package manifestgen
 
 import (
 	"fmt"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 
@@ -46,7 +45,7 @@ func (m *Manifest) WriteFile(rootDir string) (string, error) {
 		return "", fmt.Errorf("unable to create dir, error: %w", err)
 	}
 
-	if err := ioutil.WriteFile(output, []byte(m.Content), os.ModePerm); err != nil {
+	if err := os.WriteFile(output, []byte(m.Content), os.ModePerm); err != nil {
 		return "", fmt.Errorf("unable to write file, error: %w", err)
 	}
 	return output, nil

pkg/manifestgen/sourcesecret/sourcesecret.go

@@ -19,8 +19,8 @@ package sourcesecret
 import (
 	"bytes"
 	"fmt"
-	"io/ioutil"
 	"net"
+	"os"
 	"path"
 	"time"
 
@@ -62,17 +62,17 @@ func Generate(options Options) (*manifestgen.Manifest, error) {
 
 	var caFile []byte
 	if options.CAFilePath != "" {
-		if caFile, err = ioutil.ReadFile(options.CAFilePath); err != nil {
+		if caFile, err = os.ReadFile(options.CAFilePath); err != nil {
 			return nil, fmt.Errorf("failed to read CA file: %w", err)
 		}
 	}
 
 	var certFile, keyFile []byte
 	if options.CertFilePath != "" && options.KeyFilePath != "" {
-		if certFile, err = ioutil.ReadFile(options.CertFilePath); err != nil {
+		if certFile, err = os.ReadFile(options.CertFilePath); err != nil {
 			return nil, fmt.Errorf("failed to read cert file: %w", err)
 		}
-		if keyFile, err = ioutil.ReadFile(options.KeyFilePath); err != nil {
+		if keyFile, err = os.ReadFile(options.KeyFilePath); err != nil {
 			return nil, fmt.Errorf("failed to read key file: %w", err)
 		}
 	}
@@ -129,7 +129,7 @@ func buildSecret(keypair *ssh.KeyPair, hostKey, caFile, certFile, keyFile []byte
 }
 
 func loadKeyPair(path string, password string) (*ssh.KeyPair, error) {
-	b, err := ioutil.ReadFile(path)
+	b, err := os.ReadFile(path)
 	if err != nil {
 		return nil, fmt.Errorf("failed to open private key file: %w", err)
 	}

pkg/manifestgen/sourcesecret/sourcesecret_test.go

@@ -17,7 +17,6 @@ limitations under the License.
 package sourcesecret
 
 import (
-	"io/ioutil"
 	"os"
 	"reflect"
 	"testing"
@@ -43,8 +42,8 @@ func Test_passwordLoadKeyPair(t *testing.T) {
 
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			pk, _ := ioutil.ReadFile(tt.privateKeyPath)
-			ppk, _ := ioutil.ReadFile(tt.publicKeyPath)
+			pk, _ := os.ReadFile(tt.privateKeyPath)
+			ppk, _ := os.ReadFile(tt.publicKeyPath)
 
 			got, err := loadKeyPair(tt.privateKeyPath, tt.password)
 			if err != nil {
@@ -65,7 +64,7 @@ func Test_passwordLoadKeyPair(t *testing.T) {
 func Test_PasswordlessLoadKeyPair(t *testing.T) {
 	for algo, privateKey := range testdata.PEMBytes {
 		t.Run(algo, func(t *testing.T) {
-			f, err := ioutil.TempFile("", "test-private-key-")
+			f, err := os.CreateTemp("", "test-private-key-")
 			if err != nil {
 				t.Fatalf("unable to create temporary file. err: %s", err)
 			}
@@ -81,7 +80,7 @@ func Test_PasswordlessLoadKeyPair(t *testing.T) {
 				return
 			}
 
-			pk, _ := ioutil.ReadFile(f.Name())
+			pk, _ := os.ReadFile(f.Name())
 			if !reflect.DeepEqual(got.PrivateKey, pk) {
 				t.Errorf("PrivateKey %s != %s", got.PrivateKey, string(privateKey))
 			}