Squashed 'release-tools/' changes from c0a4fb1d..a6a1a797

kubernetes-csi/csi-release-tools@a6a1a797 Merge kubernetes-csi/csi-release-tools#176 from pohly/go-1.17.3
kubernetes-csi/csi-release-tools@0a2cf636 prow.sh: bump Go to 1.17.3
kubernetes-csi/csi-release-tools@fc29fdde Merge kubernetes-csi/csi-release-tools#141 from pohly/prune-replace-optional
kubernetes-csi/csi-release-tools@5b9a1e06 Merge kubernetes-csi/csi-release-tools#175 from jimdaga/patch-1
kubernetes-csi/csi-release-tools@5eeb6029 images: use k8s-staging-test-infra/gcb-docker-gcloud
kubernetes-csi/csi-release-tools@5489de6e Merge kubernetes-csi/csi-release-tools#174 from mauriciopoppe/bump-kind-version
kubernetes-csi/csi-release-tools@0c675d4c Bump kind version to v0.11.1
kubernetes-csi/csi-release-tools@ef69a88d Merge kubernetes-csi/csi-release-tools#173 from nick5616/add-ws2022
kubernetes-csi/csi-release-tools@44c710c5 added WS2022 to build platforms
kubernetes-csi/csi-release-tools@0883be4f Merge kubernetes-csi/csi-release-tools#171 from pohly/example-commands
kubernetes-csi/csi-release-tools@02cda510 build.make: support binaries outside of cmd, with optional go.mod
kubernetes-csi/csi-release-tools@65922ea2 Merge kubernetes-csi/csi-release-tools#170 from pohly/canary-snapshot-controller
kubernetes-csi/csi-release-tools@c0bdfb3a prow.sh: deploy canary snapshot-controller in canary jobs
kubernetes-csi/csi-release-tools@0438f15a Merge kubernetes-csi/csi-release-tools#167 from c0va23/feature/release-armv7-image
kubernetes-csi/csi-release-tools@4786f4d0 Merge kubernetes-csi/csi-release-tools#168 from msau42/update-release-prereq
kubernetes-csi/csi-release-tools@6a2dc64a Remove requirement to be top-level approver. Only maintainers membership is required to do a release
kubernetes-csi/csi-release-tools@30a4f7bb Release armv7 image
kubernetes-csi/csi-release-tools@ac8108f1 Merge kubernetes-csi/csi-release-tools#165 from consideRatio/pr/update-github-links-ref-to-master-to-HEAD
kubernetes-csi/csi-release-tools@999b483d docs: make github links reference HEAD instead of main
kubernetes-csi/csi-release-tools@fd670693 docs: make github links reference HEAD instead of master
kubernetes-csi/csi-release-tools@b46691a4 go-get-kubernetes.sh: make replace statement pruning optional

git-subtree-dir: release-tools
git-subtree-split: a6a1a7979bf3ebc2bb10d0e33dd11ab281d6d39e

README.md

@@ -42,7 +42,7 @@ images. Building from master creates the main `canary` image.
 Sharing and updating
 --------------------
 
-[`git subtree`](https://github.com/git/git/blob/master/contrib/subtree/git-subtree.txt)
+[`git subtree`](https://github.com/git/git/blob/HEAD/contrib/subtree/git-subtree.txt)
 is the recommended way of maintaining a copy of the rules inside the
 `release-tools` directory of a project. This way, it is possible to make
 changes also locally, test them and then push them back to the shared
@@ -89,7 +89,7 @@ main
 
 All Kubernetes-CSI repos are expected to switch to Prow. For details
 on what is enabled in Prow, see
-https://github.com/kubernetes/test-infra/tree/master/config/jobs/kubernetes-csi
+https://github.com/kubernetes/test-infra/tree/HEAD/config/jobs/kubernetes-csi
 
 Test results for periodic jobs are visible in
 https://testgrid.k8s.io/sig-storage-csi-ci

SECURITY_CONTACTS

@@ -4,7 +4,7 @@
 # to for triaging and handling of incoming issues.
 #
 # The below names agree to abide by the
-# [Embargo Policy](https://github.com/kubernetes/sig-release/blob/master/security-release-process-documentation/security-release-process.md#embargo-policy)
+# [Embargo Policy](https://github.com/kubernetes/sig-release/blob/HEAD/security-release-process-documentation/security-release-process.md#embargo-policy)
 # and will be removed and replaced if they violate that agreement.
 #
 # DO NOT REPORT SECURITY VULNERABILITIES DIRECTLY TO THESE NAMES, FOLLOW THE

SIDECAR_RELEASE_PROCESS.md

@@ -9,13 +9,8 @@ The release manager must:
 * Be a member of the kubernetes-csi organization. Open an
   [issue](https://github.com/kubernetes/org/issues/new?assignees=&labels=area%2Fgithub-membership&template=membership.md&title=REQUEST%3A+New+membership+for+%3Cyour-GH-handle%3E) in
   kubernetes/org to request membership
-* Be a top level approver for the repository. To become a top level approver,
-  the candidate must demonstrate ownership and deep knowledge of the repository
-  through active maintenance, responding to and fixing issues, reviewing PRs,
-  test triage.
-* Be part of the maintainers or admin group for the repository. admin is a
-  superset of maintainers, only maintainers level is required for cutting a
-  release.  Membership can be requested by submitting a PR to kubernetes/org.
+* Be part of the maintainers group for the repository.
+  Membership can be requested by submitting a PR to kubernetes/org.
   [Example](https://github.com/kubernetes/org/pull/1467)
 
 ## Updating CI Jobs
@@ -31,16 +26,16 @@ naming convention `<hostpath-deployment-version>-on-<kubernetes-version>`.
 1. "-on-master" jobs are the closest reflection to the new Kubernetes version.
 1. Fixes to our prow.sh CI script can be tested in the [CSI hostpath
    repo](https://github.com/kubernetes-csi/csi-driver-host-path) by modifying
-   [prow.sh](https://github.com/kubernetes-csi/csi-driver-host-path/blob/master/release-tools/prow.sh)
+   [prow.sh](https://github.com/kubernetes-csi/csi-driver-host-path/blob/HEAD/release-tools/prow.sh)
    along with any overrides in
-   [.prow.sh](https://github.com/kubernetes-csi/csi-driver-host-path/blob/master/.prow.sh)
+   [.prow.sh](https://github.com/kubernetes-csi/csi-driver-host-path/blob/HEAD/.prow.sh)
    to mirror the failing environment. Once e2e tests are passing (verify-unit tests
    will fail), then the prow.sh changes can be submitted to [csi-release-tools](https://github.com/kubernetes-csi/csi-release-tools).
 1. Changes can then be updated in all the sidecar repos and hostpath driver repo
    by following the [update
-   instructions](https://github.com/kubernetes-csi/csi-release-tools/blob/master/README.md#sharing-and-updating).
+   instructions](https://github.com/kubernetes-csi/csi-release-tools/blob/HEAD/README.md#sharing-and-updating).
 1. New pull and CI jobs are configured by adding new K8s versions to the top of
-   [gen-jobs.sh](https://github.com/kubernetes/test-infra/blob/master/config/jobs/kubernetes-csi/gen-jobs.sh).
+   [gen-jobs.sh](https://github.com/kubernetes/test-infra/blob/HEAD/config/jobs/kubernetes-csi/gen-jobs.sh).
    New pull jobs that have been unverified should be initially made optional by
    setting the new K8s version as
    [experimental](https://github.com/kubernetes/test-infra/blob/a1858f46d6014480b130789df58b230a49203a64/config/jobs/kubernetes-csi/gen-jobs.sh#L40).
@@ -52,7 +47,7 @@ naming convention `<hostpath-deployment-version>-on-<kubernetes-version>`.
 1. Identify all issues and ongoing PRs that should go into the release, and
   drive them to resolution.
 1. Download v2.8+ [K8s release notes
-  generator](https://github.com/kubernetes/release/tree/master/cmd/release-notes)
+  generator](https://github.com/kubernetes/release/tree/HEAD/cmd/release-notes)
 1. Generate release notes for the release. Replace arguments with the relevant
   information.
     * Clean up old cached information (also needed if you are generating release
@@ -95,15 +90,15 @@ naming convention `<hostpath-deployment-version>-on-<kubernetes-version>`.
 1. Check [image build status](https://k8s-testgrid.appspot.com/sig-storage-image-build).
 1. Promote images from k8s-staging-sig-storage to k8s.gcr.io/sig-storage. From
    the [k8s image
-   repo](https://github.com/kubernetes/k8s.io/tree/main/k8s.gcr.io/images/k8s-staging-sig-storage),
+   repo](https://github.com/kubernetes/k8s.io/tree/HEAD/k8s.gcr.io/images/k8s-staging-sig-storage),
    run `./generate.sh > images.yaml`, and send a PR with the updated images.
    Once merged, the image promoter will copy the images from staging to prod.
 1. Update [kubernetes-csi/docs](https://github.com/kubernetes-csi/docs) sidecar
    and feature pages with the new released version.
 1. After all the sidecars have been released, update
-   CSI hostpath driver with the new sidecars in the [CSI repo](https://github.com/kubernetes-csi/csi-driver-host-path/tree/master/deploy)
+   CSI hostpath driver with the new sidecars in the [CSI repo](https://github.com/kubernetes-csi/csi-driver-host-path/tree/HEAD/deploy)
    and [k/k
-   in-tree](https://github.com/kubernetes/kubernetes/tree/master/test/e2e/testing-manifests/storage-csi/hostpath/hostpath)
+   in-tree](https://github.com/kubernetes/kubernetes/tree/HEAD/test/e2e/testing-manifests/storage-csi/hostpath/hostpath)
 
 ## Adding support for a new Kubernetes release
 
@@ -134,7 +129,7 @@ naming convention `<hostpath-deployment-version>-on-<kubernetes-version>`.
 1. Once all sidecars for the new Kubernetes release are released,
    either bump the version number of the images in the existing
    [csi-driver-host-path
-   deployments](https://github.com/kubernetes-csi/csi-driver-host-path/tree/master/deploy)
+   deployments](https://github.com/kubernetes-csi/csi-driver-host-path/tree/HEAD/deploy)
    and/or create a new deployment, depending on what Kubernetes
    release an updated sidecar is compatible with. If no new deployment
    is needed, then add a symlink to document that there intentionally

build.make

@@ -21,6 +21,10 @@ SHELL := /bin/bash
 # set in main Makefile of a repository.
 # CMDS=
 
+# Normally, commands are expected in "cmd". That can be changed for a
+# repository to something else by setting CMDS_DIR before including build.make.
+CMDS_DIR ?= cmd
+
 # This is the default. It can be overridden in the main Makefile after
 # including build.make.
 REGISTRY_NAME?=quay.io/k8scsi
@@ -90,15 +94,15 @@ $(CMDS:%=build-%): build-%: check-go-version-go
 		if ! [ $${#os_arch_seen_pre} = $${#os_arch_seen} ]; then \
 			continue; \
 		fi; \
-		if ! (set -x; CGO_ENABLED=0 GOOS="$$os" GOARCH="$$arch" go build $(GOFLAGS_VENDOR) -a -ldflags '$(FULL_LDFLAGS)' -o "./bin/$*$$suffix" ./cmd/$*); then \
+		if ! (set -x; cd ./$(CMDS_DIR)/$* && CGO_ENABLED=0 GOOS="$$os" GOARCH="$$arch" go build $(GOFLAGS_VENDOR) -a -ldflags '$(FULL_LDFLAGS)' -o "$(abspath ./bin)/$*$$suffix" .); then \
 			echo "Building $* for GOOS=$$os GOARCH=$$arch failed, see error(s) above."; \
 			exit 1; \
 		fi; \
 		os_arch_seen+=";$$os-$$arch"; \
 	done
 
 $(CMDS:%=container-%): container-%: build-%
-	docker build -t $*:latest -f $(shell if [ -e ./cmd/$*/Dockerfile ]; then echo ./cmd/$*/Dockerfile; else echo Dockerfile; fi) --label revision=$(REV) .
+	docker build -t $*:latest -f $(shell if [ -e ./$(CMDS_DIR)/$*/Dockerfile ]; then echo ./$(CMDS_DIR)/$*/Dockerfile; else echo Dockerfile; fi) --label revision=$(REV) .
 
 $(CMDS:%=push-%): push-%: container-%
 	set -ex; \
@@ -133,7 +137,7 @@ DOCKER_BUILDX_CREATE_ARGS ?=
 # This target builds a multiarch image for one command using Moby BuildKit builder toolkit.
 # Docker Buildx is included in Docker 19.03.
 #
-# ./cmd/<command>/Dockerfile[.Windows] is used if found, otherwise Dockerfile[.Windows].
+# ./$(CMDS_DIR)/<command>/Dockerfile[.Windows] is used if found, otherwise Dockerfile[.Windows].
 # It is currently optional: if no such file exists, Windows images are not included,
 # even when Windows is listed in BUILD_PLATFORMS. That way, projects can test that
 # Windows binaries can be built before adding a Dockerfile for it.
@@ -146,8 +150,8 @@ $(CMDS:%=push-multiarch-%): push-multiarch-%: check-pull-base-ref build-%
 	export DOCKER_CLI_EXPERIMENTAL=enabled; \
 	docker buildx create $(DOCKER_BUILDX_CREATE_ARGS) --use --name multiarchimage-buildertest; \
 	trap "docker buildx rm multiarchimage-buildertest" EXIT; \
-	dockerfile_linux=$$(if [ -e ./cmd/$*/Dockerfile ]; then echo ./cmd/$*/Dockerfile; else echo Dockerfile; fi); \
-	dockerfile_windows=$$(if [ -e ./cmd/$*/Dockerfile.Windows ]; then echo ./cmd/$*/Dockerfile.Windows; else echo Dockerfile.Windows; fi); \
+	dockerfile_linux=$$(if [ -e ./$(CMDS_DIR)/$*/Dockerfile ]; then echo ./$(CMDS_DIR)/$*/Dockerfile; else echo Dockerfile; fi); \
+	dockerfile_windows=$$(if [ -e ./$(CMDS_DIR)/$*/Dockerfile.Windows ]; then echo ./$(CMDS_DIR)/$*/Dockerfile.Windows; else echo Dockerfile.Windows; fi); \
 	if [ '$(BUILD_PLATFORMS)' ]; then build_platforms='$(BUILD_PLATFORMS)'; else build_platforms="linux amd64"; fi; \
 	if ! [ -f "$$dockerfile_windows" ]; then \
 		build_platforms="$$(echo "$$build_platforms" | sed -e 's/windows *[^ ]* *.exe *[^ ]* *[^ ]*//g' -e 's/; *;/;/g' -e 's/;[ ]*$$//')"; \

cloudbuild.yaml

@@ -10,10 +10,10 @@
 #   because binaries will get built for different architectures and then
 #   get copied from the built host into the container image
 #
-# See https://github.com/kubernetes/test-infra/blob/master/config/jobs/image-pushing/README.md
+# See https://github.com/kubernetes/test-infra/blob/HEAD/config/jobs/image-pushing/README.md
 # for more details on image pushing process in Kubernetes.
 #
-# To promote release images, see https://github.com/kubernetes/k8s.io/tree/main/k8s.gcr.io/images/k8s-staging-sig-storage.
+# To promote release images, see https://github.com/kubernetes/k8s.io/tree/HEAD/k8s.gcr.io/images/k8s-staging-sig-storage.
 
 # This must be specified in seconds. If omitted, defaults to 600s (10 mins).
 # Building three images in external-snapshotter takes roughly half an hour,
@@ -27,7 +27,7 @@ steps:
   # The image must contain bash and curl. Ideally it should also contain
   # the desired version of Go (currently defined in release-tools/prow.sh),
   # but that just speeds up the build and is not required.
-  - name: 'gcr.io/k8s-testimages/gcb-docker-gcloud:v20210331-c732583'
+  - name: 'gcr.io/k8s-staging-test-infra/gcb-docker-gcloud:v20210917-12df099d55'
     entrypoint: ./.cloudbuild.sh
     env:
     - GIT_TAG=${_GIT_TAG}

go-get-kubernetes.sh

@@ -26,14 +26,43 @@ set -o pipefail
 cmd=$0
 
 function help () {
-    echo "$cmd <kubernetes version = x.y.z> - update all components from kubernetes/kubernetes to that version"
+    cat <<EOF
+$cmd -p <kubernetes version = x.y.z>
+
+Update all components from kubernetes/kubernetes to that version.
+
+By default, replace statements are added for all Kubernetes packages,
+whether they are used or not.  This is useful when preparing a
+repository for using k8s.io/kubernetes, because those replace
+statements are needed to avoid "unknown revision v0.0.0" errors
+(https://github.com/kubernetes/kubernetes/issues/79384).
+
+With the optional -p flag, all unused replace statements are
+pruned. This makes go.mod smaller, but isn't required.
+
+The replace statements are needed for "go get -u ./..." which
+otherwise ends up updating Kubernetes packages like client-go to
+incompatible versions (in that case, a very old 1.x release which
+happens to have a "higher" version number than the current
+0.<Kubernetes minor version>.<Kubernetes patch version> numbers.
+EOF
 }
 
+prune=false
+
+while getopts "ph" o; do
+    case "$o" in
+        h) help; exit 0;;
+        p) prune=true;;
+        *) help; exit 1;;
+    esac
+done
+shift $((OPTIND-1))
+
 if [ $# -ne 1 ]; then
     help
     exit 1
 fi
-case "$1" in -h|--help|help) help; exit 0;; esac
 
 die () {
     echo >&2 "$@"
@@ -55,7 +84,7 @@ mods=$( (set -x; curl --silent --show-error --fail "https://raw.githubuserconten
           sed -n 's|.*k8s.io/\(.*\) => ./staging/src/k8s.io/.*|k8s.io/\1|p'
    ) || die "failed to determine Kubernetes staging modules"
 for mod in $mods; do
-    if ! (env GO111MODULE=on go mod graph) | grep "$mod@" > /dev/null; then
+    if $prune && ! (env GO111MODULE=on go mod graph) | grep "$mod@" > /dev/null; then
         echo "Kubernetes module $mod is not used, skipping"
         # Remove the module from go.mod "replace" that was added by an older version of this script.
         (set -x;  env GO111MODULE=on go mod edit "-dropreplace=$mod") || die "'go mod edit' failed"

prow.sh

@@ -78,15 +78,15 @@ version_to_git () {
 # the list of windows versions was matched from:
 # - https://hub.docker.com/_/microsoft-windows-nanoserver
 # - https://hub.docker.com/_/microsoft-windows-servercore
-configvar CSI_PROW_BUILD_PLATFORMS "linux amd64; linux ppc64le -ppc64le; linux s390x -s390x; linux arm64 -arm64; windows amd64 .exe nanoserver:1809 servercore:ltsc2019; windows amd64 .exe nanoserver:1909 servercore:1909; windows amd64 .exe nanoserver:2004 servercore:2004; windows amd64 .exe nanoserver:20H2 servercore:20H2" "Go target platforms (= GOOS + GOARCH) and file suffix of the resulting binaries"
+configvar CSI_PROW_BUILD_PLATFORMS "linux amd64; linux ppc64le -ppc64le; linux s390x -s390x; linux arm -arm; linux arm64 -arm64; windows amd64 .exe nanoserver:1809 servercore:ltsc2019; windows amd64 .exe nanoserver:1909 servercore:1909; windows amd64 .exe nanoserver:2004 servercore:2004; windows amd64 .exe nanoserver:20H2 servercore:20H2; windows amd64 .exe nanoserver:ltsc2022 servercore:ltsc2022" "Go target platforms (= GOOS + GOARCH) and file suffix of the resulting binaries"
 
 # If we have a vendor directory, then use it. We must be careful to only
 # use this for "make" invocations inside the project's repo itself because
 # setting it globally can break other go usages (like "go get <some command>"
 # which is disabled with GOFLAGS=-mod=vendor).
 configvar GOFLAGS_VENDOR "$( [ -d vendor ] && echo '-mod=vendor' )" "Go flags for using the vendor directory"
 
-configvar CSI_PROW_GO_VERSION_BUILD "1.16" "Go version for building the component" # depends on component's source code
+configvar CSI_PROW_GO_VERSION_BUILD "1.17.3" "Go version for building the component" # depends on component's source code
 configvar CSI_PROW_GO_VERSION_E2E "" "override Go version for building the Kubernetes E2E test suite" # normally doesn't need to be set, see install_e2e
 configvar CSI_PROW_GO_VERSION_SANITY "${CSI_PROW_GO_VERSION_BUILD}" "Go version for building the csi-sanity test suite" # depends on CSI_PROW_SANITY settings below
 configvar CSI_PROW_GO_VERSION_KIND "${CSI_PROW_GO_VERSION_BUILD}" "Go version for building 'kind'" # depends on CSI_PROW_KIND_VERSION below
@@ -138,7 +138,7 @@ kind_version_default () {
         latest|master)
             echo main;;
         *)
-            echo v0.11.0;;
+            echo v0.11.1;;
     esac
 }
 
@@ -149,14 +149,15 @@ configvar CSI_PROW_KIND_VERSION "$(kind_version_default)" "kind"
 
 # kind images to use. Must match the kind version.
 # The release notes of each kind release list the supported images.
-configvar CSI_PROW_KIND_IMAGES "kindest/node:v1.21.1@sha256:fae9a58f17f18f06aeac9772ca8b5ac680ebbed985e266f711d936e91d113bad
-kindest/node:v1.20.7@sha256:e645428988191fc824529fd0bb5c94244c12401cf5f5ea3bd875eb0a787f0fe9
-kindest/node:v1.19.11@sha256:7664f21f9cb6ba2264437de0eb3fe99f201db7a3ac72329547ec4373ba5f5911
-kindest/node:v1.18.19@sha256:530378628c7c518503ade70b1df698b5de5585dcdba4f349328d986b8849b1ee
-kindest/node:v1.17.17@sha256:c581fbf67f720f70aaabc74b44c2332cc753df262b6c0bca5d26338492470c17
-kindest/node:v1.16.15@sha256:430c03034cd856c1f1415d3e37faf35a3ea9c5aaa2812117b79e6903d1fc9651
-kindest/node:v1.15.12@sha256:8d575f056493c7778935dd855ded0e95c48cb2fab90825792e8fc9af61536bf9
-kindest/node:v1.14.10@sha256:6033e04bcfca7c5f2a9c4ce77551e1abf385bcd2709932ec2f6a9c8c0aff6d4f" "kind images"
+configvar CSI_PROW_KIND_IMAGES "kindest/node:v1.22.0@sha256:b8bda84bb3a190e6e028b1760d277454a72267a5454b57db34437c34a588d047
+kindest/node:v1.21.1@sha256:69860bda5563ac81e3c0057d654b5253219618a22ec3a346306239bba8cfa1a6
+kindest/node:v1.20.7@sha256:cbeaf907fc78ac97ce7b625e4bf0de16e3ea725daf6b04f930bd14c67c671ff9
+kindest/node:v1.19.11@sha256:07db187ae84b4b7de440a73886f008cf903fcf5764ba8106a9fd5243d6f32729
+kindest/node:v1.18.19@sha256:7af1492e19b3192a79f606e43c35fb741e520d195f96399284515f077b3b622c
+kindest/node:v1.17.17@sha256:66f1d0d91a88b8a001811e2f1054af60eef3b669a9a74f9b6db871f2f1eeed00
+kindest/node:v1.16.15@sha256:83067ed51bf2a3395b24687094e283a7c7c865ccc12a8b1d7aa673ba0c5e8861
+kindest/node:v1.15.12@sha256:b920920e1eda689d9936dfcf7332701e80be12566999152626b2c9d730397a95
+kindest/node:v1.14.10@sha256:f8a66ef82822ab4f7569e91a5bccaf27bceee135c1457c512e54de8c6f7219f8" "kind images"
 
 # By default, this script tests sidecars with the CSI hostpath driver,
 # using the install_csi_driver function. That function depends on
@@ -292,7 +293,7 @@ tests_need_alpha_cluster () {
     tests_enabled "parallel-alpha" "serial-alpha"
 }
 
-# Enabling mock tests adds the "CSI mock volume" tests from https://github.com/kubernetes/kubernetes/blob/master/test/e2e/storage/csi_mock_volume.go
+# Enabling mock tests adds the "CSI mock volume" tests from https://github.com/kubernetes/kubernetes/blob/HEAD/test/e2e/storage/csi_mock_volume.go
 # to the e2e.test invocations (serial, parallel, and the corresponding alpha variants).
 # When testing canary images, those get used instead of the images specified
 # in the e2e.test's normal YAML files.
@@ -795,7 +796,7 @@ install_snapshot_controller() {
       kind load docker-image --name csi-prow ${NEW_IMG} || die "could not load the snapshot-controller:csiprow image into the kind cluster"
 
       # deploy snapshot-controller
-      echo "Deploying snapshot-controller"
+      echo "Deploying snapshot-controller from ${SNAPSHOT_CONTROLLER_YAML} with $NEW_IMG."
       # Replace image in SNAPSHOT_CONTROLLER_YAML with snapshot-controller:csiprow and deploy
       # NOTE: This logic is similar to the logic here:
       # https://github.com/kubernetes-csi/csi-driver-host-path/blob/v1.4.0/deploy/util/deploy-hostpath.sh#L155
@@ -832,8 +833,19 @@ install_snapshot_controller() {
               echo "$modified"
               exit 1
           fi
-	  echo "kubectl apply -f ${SNAPSHOT_CONTROLLER_YAML}(modified)"
       done
+  elif [ "${CSI_PROW_DRIVER_CANARY}" = "canary" ]; then
+      echo "Deploying snapshot-controller from ${SNAPSHOT_CONTROLLER_YAML} with canary images."
+      yaml="$(kubectl apply --dry-run=client -o yaml -f "$SNAPSHOT_CONTROLLER_YAML")"
+      # Ignore: See if you can use ${variable//search/replace} instead.
+      # shellcheck disable=SC2001
+      modified="$(echo "$yaml" | sed -e "s;image: .*/\([^/:]*\):.*;image: ${CSI_PROW_DRIVER_CANARY_REGISTRY}/\1:canary;")"
+      diff <(echo "$yaml") <(echo "$modified")
+      if ! echo "$modified" | kubectl apply -f -; then
+          echo "modified version of $SNAPSHOT_CONTROLLER_YAML:"
+          echo "$modified"
+          exit 1
+      fi
   else
       echo "kubectl apply -f $SNAPSHOT_CONTROLLER_YAML"
       kubectl apply -f "$SNAPSHOT_CONTROLLER_YAML"