🌱 setup-envtest: drop support for GCS

tools/setup-envtest/README.md

@@ -52,11 +52,6 @@ setup-envtest sideload 1.16.2 < downloaded-envtest.tar.gz
 # To download from a custom index use the following:
 setup-envtest use --index https://custom.com/envtest-releases.yaml
 
-# To download from the kubebuilder-tools GCS bucket: (default behavior before v0.18)
-# Note: This is a Google-owned bucket and it might be shutdown at any time
-# see: https://github.com/kubernetes/k8s.io/issues/2647#event-12439345373
-# Note: This flag will also be removed soon.
-setup-envtest use --use-deprecated-gcs
 ```
 
 ## Where does it put all those binaries?
@@ -107,8 +102,7 @@ Then, you have a few options for managing your binaries:
 
   `--use-env` makes the command unconditionally use the value of
   KUBEBUILDER_ASSETS as long as it contains the required binaries, and
-  `-i` indicates that we only ever want to work with installed binaries
-  (no reaching out the remote GCS storage).
+  `-i` indicates that we only ever want to work with installed binaries.
 
   As noted about, you can use `ENVTEST_INSTALLED_ONLY=true` to switch `-i`
   on by default, and you can use `ENVTEST_USE_ENV=true` to switch
@@ -123,25 +117,3 @@ Then, you have a few options for managing your binaries:
 - If you want to talk to some internal source via HTTP, you can simply set `--index`
   The index must contain references to envtest binary archives in the same format as:
   https://raw.githubusercontent.com/kubernetes-sigs/controller-tools/master/envtest-releases.yaml
-
-- If you want to talk to some internal source in a GCS "style", you can use the
-  `--remote-bucket` and `--remote-server` options together with `--use-deprecated-gcs`.
-  Note: This is deprecated and will be removed soon. The former sets which
-  GCS bucket to download from, and the latter sets the host to talk to as
-  if it were a GCS endpoint. Theoretically, you could use the latter
-  version to run an internal "mirror" -- the tool expects
-
-  - `HOST/storage/v1/b/BUCKET/o` to return JSON like
-
-    ```json
-    {"items": [
-        {"name": "kubebuilder-tools-X.Y.Z-os-arch.tar.gz", "md5Hash": "<base-64-encoded-md5-hash>"},
-        {"name": "kubebuilder-tools-X.Y.Z-os-arch.tar.gz", "md5Hash": "<base-64-encoded-md5-hash>"}
-    ]}
-    ```
-
-  - `HOST/storage/v1/b/BUCKET/o/TARBALL_NAME` to return JSON like
-    `{"name": "kubebuilder-tools-X.Y.Z-os-arch.tar.gz", "md5Hash": "<base-64-encoded-md5-hash>"}`
-
-  - `HOST/storage/v1/b/BUCKET/o/TARBALL_NAME?alt=media` to return the
-    actual file contents

tools/setup-envtest/env/env.go

@@ -42,10 +42,6 @@ type Env struct {
 	// contact remote services & re-download.
 	ForceDownload bool
 
-	// UseDeprecatedGCS signals if the GCS client is used.
-	// Note: This will be removed together with remote.GCSClient.
-	UseDeprecatedGCS bool
-
 	// Client is our remote client for contacting remote services.
 	Client remote.Client
 
@@ -291,7 +287,7 @@ func (e *Env) Fetch(ctx context.Context) {
 		}
 	})
 
-	archiveOut, err := e.FS.TempFile("", "*-"+e.Platform.ArchiveName(e.UseDeprecatedGCS, *e.Version.AsConcrete()))
+	archiveOut, err := e.FS.TempFile("", "*-"+e.Platform.ArchiveName(*e.Version.AsConcrete()))
 	if err != nil {
 		ExitCause(2, err, "unable to open file to write downloaded archive to")
 	}

tools/setup-envtest/main.go

@@ -50,16 +50,7 @@ var (
 	binDir = flag.String("bin-dir", "",
 		"directory to store binary assets (default: $OS_SPECIFIC_DATA_DIR/envtest-binaries)")
 
-	useDeprecatedGCS = flag.Bool("use-deprecated-gcs", false, "use GCS to fetch envtest binaries. Note: This is deprecated and will be removed soon. For more details see: https://github.com/kubernetes-sigs/controller-runtime/pull/2811")
-
-	// These flags are only used with --use-deprecated-gcs.
-	remoteBucket = flag.String("remote-bucket", "kubebuilder-tools", "remote GCS bucket to download from (only used with --use-deprecated-gcs)")
-	remoteServer = flag.String("remote-server", "storage.googleapis.com",
-		"remote server to query from.  You can override this if you want to run "+
-			"an internal storage server instead, or for testing. (only used with --use-deprecated-gcs)")
-
-	// This flag is only used if --use-deprecated-gcs is not set or false (default).
-	index = flag.String("index", remote.DefaultIndexURL, "index to discover envtest binaries (only used if --use-deprecated-gcs is not set, or set to false)")
+	index = flag.String("index", remote.DefaultIndexURL, "index to discover envtest binaries")
 )
 
 // TODO(directxman12): handle interrupts?
@@ -88,29 +79,18 @@ func setupEnv(globalLog logr.Logger, version string) *envp.Env {
 	}
 	log.V(1).Info("using binaries directory", "dir", *binDir)
 
-	var client remote.Client
-	if useDeprecatedGCS != nil && *useDeprecatedGCS {
-		client = &remote.GCSClient{ //nolint:staticcheck // deprecation accepted for now
-			Log:    globalLog.WithName("storage-client"),
-			Bucket: *remoteBucket,
-			Server: *remoteServer,
-		}
-		log.V(1).Info("using deprecated GCS client", "bucket", *remoteBucket, "server", *remoteServer)
-	} else {
-		client = &remote.HTTPClient{
-			Log:      globalLog.WithName("storage-client"),
-			IndexURL: *index,
-		}
-		log.V(1).Info("using HTTP client", "index", *index)
+	client := &remote.HTTPClient{
+		Log:      globalLog.WithName("storage-client"),
+		IndexURL: *index,
 	}
+	log.V(1).Info("using HTTP client", "index", *index)
 
 	env := &envp.Env{
-		Log:              globalLog,
-		UseDeprecatedGCS: useDeprecatedGCS != nil && *useDeprecatedGCS,
-		Client:           client,
-		VerifySum:        *verify,
-		ForceDownload:    *force,
-		NoDownload:       *installedOnly,
+		Log:           globalLog,
+		Client:        client,
+		VerifySum:     *verify,
+		ForceDownload: *force,
+		NoDownload:    *installedOnly,
 		Platform: versions.PlatformItem{
 			Platform: versions.Platform{
 				OS:   *targetOS,
@@ -189,7 +169,7 @@ Commands:
 
 	use:
 		get information for the requested version, downloading it if necessary and allowed.
-		Needs a concrete platform (no wildcards), but wilcard versions are supported.
+		Needs a concrete platform (no wildcards), but wildcard versions are supported.
 
 	list:
 		list installed *and* available versions matching the given version & platform.

tools/setup-envtest/store/store.go

@@ -38,7 +38,7 @@ func (i Item) String() string {
 }
 
 // Filter is a version spec & platform selector (i.e. platform
-// potentially with wilcards) to filter store items.
+// potentially with wildcards) to filter store items.
 type Filter struct {
 	Version  versions.Spec
 	Platform versions.Platform

tools/setup-envtest/store/store_test.go

@@ -125,36 +125,6 @@ var _ = Describe("Store", func() {
 		})
 	})
 
-	Describe("adding items (GCS archives)", func() {
-		archiveName := "kubebuilder-tools-1.16.3-linux-amd64.tar.gz"
-
-		It("should support .tar.gz input", func() {
-			Expect(st.Add(logCtx(), newItem, makeFakeArchive(archiveName, "kubebuilder/bin/"))).To(Succeed())
-			Expect(st.Has(newItem)).To(BeTrue(), "should have the item after adding it")
-		})
-
-		It("should extract binaries from the given archive to a directly to the item's directory, regardless of path", func() {
-			Expect(st.Add(logCtx(), newItem, makeFakeArchive(archiveName, "kubebuilder/bin/"))).To(Succeed())
-
-			dirName := newItem.Platform.BaseName(newItem.Version)
-			Expect(afero.ReadFile(st.Root, filepath.Join("k8s", dirName, "some-file"))).To(HavePrefix(archiveName + "some-file"))
-			Expect(afero.ReadFile(st.Root, filepath.Join("k8s", dirName, "other-file"))).To(HavePrefix(archiveName + "other-file"))
-		})
-
-		It("should clean up any existing item directory before creating the new one", func() {
-			item := localVersions[0]
-			Expect(st.Add(logCtx(), item, makeFakeArchive(archiveName, "kubebuilder/bin/"))).To(Succeed())
-			Expect(st.Root.Stat(filepath.Join("k8s", item.Platform.BaseName(item.Version)))).NotTo(BeNil(), "new files should exist")
-		})
-		It("should clean up if it errors before finishing", func() {
-			item := localVersions[0]
-			Expect(st.Add(logCtx(), item, new(bytes.Buffer))).NotTo(Succeed(), "should fail to extract")
-			_, err := st.Root.Stat(filepath.Join("k8s", item.Platform.BaseName(item.Version)))
-			Expect(err).To(HaveOccurred(), "the binaries dir for the item should be gone")
-
-		})
-	})
-
 	Describe("adding items (controller-tools archives)", func() {
 		archiveName := "envtest-v1.16.3-linux-amd64.tar.gz"