Make the pause image a manifest list

build/pause/Makefile

@@ -12,11 +12,13 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-.PHONY: all push push-legacy container clean orphan
+.PHONY: all push container clean orphan all-push push-manifest
+
+include ../../hack/make-rules/Makefile.manifest
 
 REGISTRY ?= gcr.io/google_containers
-IMAGE = $(REGISTRY)/pause-$(ARCH)
-LEGACY_AMD64_IMAGE = $(REGISTRY)/pause
+IMAGE = $(REGISTRY)/pause
+IMAGE_WITH_ARCH = $(IMAGE)-$(ARCH)
 
 TAG = 3.1
 REV = $(shell git describe --contains --always --match='v*')
@@ -56,6 +58,11 @@ endif
 # If you want to build AND push all containers, see the 'all-push' rule.
 all: all-container
 
+all-push: all-push-images push-manifest
+
+push-manifest: manifest-tool
+	manifest-tool push from-args --platforms $(call join_platforms,$(ALL_ARCH)) --template $(IMAGE)-ARCH:$(TAG) --target $(IMAGE):$(TAG)
+
 sub-container-%:
 	$(MAKE) ARCH=$* container
 
@@ -64,7 +71,7 @@ sub-push-%:
 
 all-container: $(addprefix sub-container-,$(ALL_ARCH))
 
-all-push: $(addprefix sub-push-,$(ALL_ARCH))
+all-push-images: $(addprefix sub-push-,$(ALL_ARCH))
 
 build: bin/$(BIN)-$(ARCH)
 
@@ -79,23 +86,12 @@ bin/$(BIN)-$(ARCH): $(SRCS)
 
 container: .container-$(ARCH)
 .container-$(ARCH): bin/$(BIN)-$(ARCH)
-	docker build --pull -t $(IMAGE):$(TAG) --build-arg ARCH=$(ARCH) .
-ifeq ($(ARCH),amd64)
-	docker rmi $(LEGACY_AMD64_IMAGE):$(TAG) 2>/dev/null || true
-	docker tag $(IMAGE):$(TAG) $(LEGACY_AMD64_IMAGE):$(TAG)
-endif
+	docker build --pull -t $(IMAGE_WITH_ARCH):$(TAG) --build-arg ARCH=$(ARCH) .
 	touch $@
 
 push: .push-$(ARCH)
 .push-$(ARCH): .container-$(ARCH)
-	gcloud docker -- push $(IMAGE):$(TAG)
-	touch $@
-
-push-legacy: .push-legacy-$(ARCH)
-.push-legacy-$(ARCH): .container-$(ARCH)
-ifeq ($(ARCH),amd64)
-	gcloud docker -- push $(LEGACY_AMD64_IMAGE):$(TAG)
-endif
+	gcloud docker -- push $(IMAGE_WITH_ARCH):$(TAG)
 	touch $@
 
 # Useful for testing, not automatically included in container image

hack/make-rules/Makefile.manifest

+# Copyright 2018 The Kubernetes Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+.PHONY: manifest-tool 
+
+MANIFEST_TOOL_DIR := $(shell mktemp -d)
+export PATH := $(MANIFEST_TOOL_DIR):$(PATH)
+
+MANIFEST_TOOL_VERSION := v0.7.0
+
+space :=
+space +=
+comma := ,
+prefix_linux = $(addprefix linux/,$(strip $1))
+join_platforms = $(subst $(space),$(comma),$(call prefix_linux,$(strip $1)))
+
+manifest-tool:
+	curl -sSL https://github.com/estesp/manifest-tool/releases/download/$(MANIFEST_TOOL_VERSION)/manifest-tool-linux-amd64 > $(MANIFEST_TOOL_DIR)/manifest-tool
+	chmod +x $(MANIFEST_TOOL_DIR)/manifest-tool