DO NOT MERGE: get kind fix for Kubernetes master image building

.prow.sh

@@ -12,6 +12,8 @@ CSI_PROW_HOSTPATH_DRIVER_NAME="hostpath.csi.k8s.io"
 
 CSI_PROW_TESTS_SANITY="sanity"
 
+CSI_PROW_KIND_VERSION="2555d8e09d5a77ee718414cec9f6083dfa028dc5"
+
 . release-tools/prow.sh
 
 main

release-tools/prow.sh

@@ -379,8 +379,8 @@ install_kind () {
     if run curl --fail --location -o "${CSI_PROW_WORK}/bin/kind" "https://github.com/kubernetes-sigs/kind/releases/download/${CSI_PROW_KIND_VERSION}/kind-linux-amd64"; then
         chmod u+x "${CSI_PROW_WORK}/bin/kind"
     else
-        git_checkout https://github.com/kubernetes-sigs/kind "$GOPATH/src/sigs.k8s.io/kind" "${CSI_PROW_KIND_VERSION}" --depth=1 &&
-        run_with_go "${CSI_PROW_GO_VERSION_KIND}" go build -o "${CSI_PROW_WORK}/bin/kind" sigs.k8s.io/kind
+        git_checkout https://github.com/kubernetes-sigs/kind "${GOPATH}/src/sigs.k8s.io/kind" "${CSI_PROW_KIND_VERSION}" --depth=1 &&
+        (cd "${GOPATH}/src/sigs.k8s.io/kind && make install" INSTALL_DIR="${CSI_PROW_WORK}/bin")
     fi
 }
 
@@ -427,6 +427,30 @@ git_checkout () {
     (cd "$path" && run git clean -fdx) || die "failed to clean $path"
 }
 
+# This clones out a repo ("https://github.com/kubernetes/kubernetes")
+# in a certain location ("$GOPATH/src/k8s.io/kubernetes") at
+# a certain revision (a hex commit hash, v1.13.1, master). The directory
+# cannot exist.
+git_clone () {
+    local repo path revision parent
+    repo="$1"
+    shift
+    path="$1"
+    shift
+    revision="$1"
+    shift
+
+    parent="$(dirname "$path")"
+    mkdir -p "$parent"
+    (cd "$parent" && run git clone "$repo" "$path") || die "cloning $repo" failed
+    if [ "$revision" != "latest" ]; then
+        (cd "$path" && run git reset --hard "$revision") || die "resetting $repo to $revision failed"
+    fi
+    # This is useful for local testing or when switching between different revisions in the same
+    # repo.
+    (cd "$path" && run git clean -fdx) || die "failed to clean $path"
+}
+
 list_gates () (
     set -f; IFS=','
     # Ignore: Double quote to prevent globbing and word splitting.
@@ -469,28 +493,10 @@ start_cluster () {
     if [[ "${CSI_PROW_KUBERNETES_VERSION}" =~ ^release-|^latest$ ]]; then
         if ! ${csi_prow_kind_have_kubernetes}; then
             local version="${CSI_PROW_KUBERNETES_VERSION}"
-            if [ "$version" = "latest" ]; then
-                version=master
-            fi
-            git_checkout https://github.com/kubernetes/kubernetes "$GOPATH/src/k8s.io/kubernetes" "$version" --depth=1 || die "checking out Kubernetes $version failed"
-
-            # "kind build" and/or the Kubernetes build rules need at least one tag, which we don't have
-            # when doing a shallow fetch. Therefore we fake one:
-            # release-1.12 -> v1.12.0-release.<rev>.csiprow
-            # latest or <revision> -> v1.14.0-<rev>.csiprow
-            case "${CSI_PROW_KUBERNETES_VERSION}" in
-                release-*)
-                    # Ignore: See if you can use ${variable//search/replace} instead.
-                    # shellcheck disable=SC2001
-                    tag="$(echo "${CSI_PROW_KUBERNETES_VERSION}" | sed -e 's/release-\(.*\)/v\1.0-release./')";;
-                *)
-                    # We have to make something up. v1.0.0 did not work for some reasons.
-                    tag="v999.999.999-";;
-            esac
-            tag="$tag$(cd "$GOPATH/src/k8s.io/kubernetes" && git rev-list --abbrev-commit HEAD).csiprow"
-            (cd "$GOPATH/src/k8s.io/kubernetes" && run git tag -f "$tag") || die "git tag failed"
-            go_version="$(go_version_for_kubernetes "$GOPATH/src/k8s.io/kubernetes" "$version")" || die "cannot proceed without knowing Go version for Kubernetes"
-            run_with_go "$go_version" kind build node-image --type bazel --image csiprow/node:latest --kube-root "$GOPATH/src/k8s.io/kubernetes" || die "'kind build node-image' failed"
+            git_clone https://github.com/kubernetes/kubernetes "${CSI_PROW_WORK}/src/kubernetes" "$version" || die "checking out Kubernetes $version failed"
+
+            go_version="$(go_version_for_kubernetes "${CSI_PROW_WORK}/src/kubernetes" "$version")" || die "cannot proceed without knowing Go version for Kubernetes"
+            run_with_go "$go_version" kind build node-image --type bazel --image csiprow/node:latest --kube-root "${CSI_PROW_WORK}/src/kubernetes" || die "'kind build node-image' failed"
             csi_prow_kind_have_kubernetes=true
         fi
         image="csiprow/node:latest"