Add manifest support for release images

kubernetes · Feb 24, 2018 · d903ce6 · d903ce6
1 parent 635cc3b
commit d903ce6
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Showing 3 changed files with 37 additions and 36 deletions.
diff --git a/anago b/anago
@@ -357,6 +357,16 @@ check_prerequisites () {
   for rb in ${WRITE_RELEASE_BUCKETS[*]}; do
     release::gcs::ensure_release_bucket $rb || return 1
   done
+
+  logecho -n "Checking for manifest-tool: "
+  if [[ ! -f $(which manifest-tool) ]]; then
+    logecho -r "$FAILED"
+    logecho "No manifest-tool found in the path. Please install it from" \
+            "https://github.com/estesp/manifest-tool/releases and ensure it is on the PATH"
+    logecho
+    return 1
+  fi
+  logecho -r "$OK"
 }
 
 ###############################################################################

diff --git a/build/Dockerfile.k8s-cloud-builder b/build/Dockerfile.k8s-cloud-builder
@@ -48,3 +48,7 @@ RUN \
 
 ARG DOCKER_VERSION=17.09.0~ce-0~ubuntu
 RUN apt-get install -y docker-ce=${DOCKER_VERSION} unzip
+
+ARG MANIFEST_TOOL_VERSION=v0.7.0
+ADD https://github.com/estesp/manifest-tool/releases/download/${MANIFEST_TOOL_VERSION}/manifest-tool-linux-amd64 /usr/local/bin/manifest-tool
+RUN chmod +x /usr/local/bin/manifest-tool
diff --git a/lib/releaselib.sh b/lib/releaselib.sh
@@ -910,6 +910,8 @@ release::docker::release () {
     "kube-proxy"
     "hyperkube"
   )
+  # platforms should be in the os1/arch1,os2/arch2,os3/arch3 form
+  local -r platforms= $(IFS=, ; echo "${KUBE_SERVER_PLATFORMS[*]}")
 
   if [[ -n $G_AUTH_USER && $registry == "gcr.io/google_containers" ]];then
     logrun $GCLOUD config set account $G_AUTH_USER
@@ -927,8 +929,8 @@ release::docker::release () {
 
     # 'gcloud docker' gives lots of internal_failure's so add retries to
     # all of the invocations
-    for arch in "${KUBE_SERVER_PLATFORMS[@]##*/}"; do
-      for binary in "${binaries[@]}"; do
+    for binary in "${binaries[@]}"; do
+      for arch in "${KUBE_SERVER_PLATFORMS[@]##*/}"; do
         docker_target="$binary-$arch:$version"
         if ! logrun -r 5 ${docker_push_cmd[@]} \
                          history "$registry/$docker_target"; then
@@ -939,23 +941,10 @@ release::docker::release () {
         logecho "Release $docker_target:"
         logecho -n "- Pushing: "
         logrun -r 5 -s ${docker_push_cmd[@]} push "$registry/$docker_target"
-
-        # If we have a amd64 docker image. Tag it without -amd64 also
-        # and push it for compatibility with earlier versions
-        if [[ $arch == "amd64" ]]; then
-          legacy_docker_target="$binary:$version"
-          logecho "Release legacy $legacy_docker_target:"
-
-          logecho -n "- Tagging: "
-          logrun docker rmi "$registry/$legacy_docker_target" || true
-          logrun -r 5 -s docker tag "$registry/$docker_target" \
-                                "$registry/$legacy_docker_target" 2>/dev/null
-
-          logecho -n "- Pushing: "
-          logrun -r 5 -s ${docker_push_cmd[@]} \
-                         push "$registry/$legacy_docker_target"
-        fi
       done
+      logecho -n "- Pushing manifest image: "
+      # This command will push a manifest list: "${registry}/${binary}-ARCH:${version}" that points to each architecture depending on which platform you're pulling from
+      logrun -r 5 -s manifest-tool push from-args --platforms ${platforms} --template ${registry}/${binary}-ARCH:${version} --target ${registry}/${binary}:${version}
     done
   fi
 
@@ -986,6 +975,7 @@ release::docker::release_from_tarfiles () {
   local binary
   local -a new_tags
   local new_tag
+  local -A manifest_images
 
   [[ "$registry" =~ gcr.io/ ]] && docker_push_cmd=("$GCLOUD" "docker" "--")
 
@@ -1003,28 +993,25 @@ release::docker::release_from_tarfiles () {
       fi
       binary=${BASH_REMATCH[1]}
 
-      # If amd64, tag both the legacy tag and -amd64 tag
-      if [[ "$arch" == "amd64" ]]; then
-        # binary may or may not already contain -amd64, so strip it first
-        new_tags=(\
-          "$registry/${binary/-amd64/}:$version"
-          "$registry/${binary/-amd64/}-amd64:$version"
-        )
-      else
-        new_tags=("$registry/$binary:$version")
-      fi
+      new_tag="$registry/${binary/-$arch/}"
+      new_tag_with_arch=("$new_tag-$arch:$version")
+      manifest_images["${new_tag}"]+=" linux/$arch"
 
       docker load -qi $tarfile >/dev/null
-      for new_tag in ${new_tags[@]}; do
-        docker tag $orig_tag $new_tag
-        logecho -n "Pushing $new_tag: "
-        # 'gcloud docker' gives lots of internal_failure's so add retries
-        logrun -r 5 -s ${docker_push_cmd[@]} push "$new_tag" || return 1
-      done
-      docker rmi $orig_tag ${new_tags[@]} &>/dev/null || true
-
+      docker tag $orig_tag ${new_tag_with_arch}
+      logecho -n "Pushing ${new_tag_with_arch}: "
+      # 'gcloud docker' gives lots of internal_failure's so add retries
+      logrun -r 5 -s ${docker_push_cmd[@]} push "${new_tag_with_arch}" || return 1
+      docker rmi $orig_tag ${new_tag_with_arch} &>/dev/null || true
     done
   done
+
+  for image in "${!manifest_images[@]}"; do
+    logecho "Pushing manifest image $image..."
+    local manifest_platforms=$(echo "${manifest_images[$image]}" | sed -e 's/^[[:space:]]*//' | sed -e 's/[[:space:]]/,/g')
+    # This command will push a manifest list: "${registry}/${image}-ARCH:${version}" that points to each architecture depending on which platform you're pulling from
+    logrun -r 5 -s manifest-tool push from-args --platforms ${manifest_platforms} --template ${image}-ARCH:${version} --target ${image}:${version} || return 1
+  done
 }
 
 ###############################################################################