Add back code to push kernel to hub

- Accidentally removed from top level Makefile, now in kernel Makefile.

Signed-off-by: Justin Cormack <justin.cormack@docker.com>

kernel/.gitignore

@@ -3,3 +3,4 @@ etc/
 lib/
 usr/
 sbin/
+bzImage

kernel/Makefile

@@ -1,38 +1,58 @@
 DEBUG ?= 0
 
-TAR2INITRD_IMAGE=mobylinux/tar2initrd:d5711601eb5b89de0f052d87365e18388ff3f1b5@sha256:58d377e65845f91400e173ce9fca93462f2f237947eef2b0d2c17bb4f2da5ee8
-
-all:	x86_64/vmlinuz64 x86_64/kernel.img
-
-x86_64/kernel.tar: x86_64/bzImage
-	tar cf - etc lib usr sbin > $@
-
-x86_64/kernel.img: x86_64/kernel.tar x86_64/vmlinuz64
-	cat $< | docker run --rm --read-only --net=none --log-driver=none --tmpfs /tmp -i $(TAR2INITRD_IMAGE) > $@
+all:	bzImage push
 
 ifdef AUFS
-kernel.tag: Dockerfile.aufs kernel_config kernel_config.debug kernel_config.aufs patches-4.9
+DEPS=Dockerfile.aufs kernel_config kernel_config.debug kernel_config.aufs patches-4.9
 else
 ifdef LTS4.4
-kernel.tag: Dockerfile.4.4 kernel_config kernel_config.debug kernel_config.4.4 patches-4.4
+DEPS=Dockerfile.4.4 kernel_config kernel_config.debug kernel_config.4.4 patches-4.4
 else
-kernel.tag: Dockerfile kernel_config kernel_config.debug patches-4.9
+DEPS=Dockerfile kernel_config kernel_config.debug patches-4.9
 endif
 endif
+kernel.tag: $(DEPS)
 	BUILD=$$( tar cf - $^ | docker build -f $< --build-arg DEBUG=$(DEBUG) -q - ) && [ -n "$$BUILD" ] && echo "Built $$BUILD" && echo "$$BUILD" > $@
 
-x86_64/vmlinuz64: x86_64/bzImage
-	cp -a $< $@
-
-x86_64/bzImage: kernel.tag
+bzImage: kernel.tag
 	rm -rf etc/kernel-patches
 	mkdir -p x86_64 etc lib usr sbin etc/kernel-patches
-	docker run --rm --net=none --log-driver=none $(shell cat kernel.tag) cat kernel-source-info > etc/kernel-source-info
 	docker run --rm --net=none --log-driver=none $(shell cat kernel.tag) tar cf - bzImage kernel-dev.tar kernel-headers.tar vmlinux kernel-modules.tar | tar xf - -C x86_64
-	docker run --rm --net=none --log-driver=none $(shell cat kernel.tag) tar cf - -C patches . | tar xf - -C etc/kernel-patches
-	tar xf x86_64/kernel-modules.tar
+	cp x86_64/kernel-modules.tar kernel.tar
+	cp x86_64/bzImage $@
 
+.PHONY: push tag
+
+MEDIA_TOYBOX=mobylinux/toybox-media:0a26fe5f574e444849983f9c4148ef74b3804d55@sha256:5ac38f77b66deb194c9016591b9b096e81fcdc9f7c3e6d01566294a6b4b4ebd2
+SHASUM=alpine:3.5
+
+BASE="$MEDIA_TOYBOX"
+IMAGE=kernel
+
+default: push
+
+Dockerfile.media:
+	printf "FROM $(MEDIA_TOYBOX)\nADD . /\n" > $@
+
+hash: Dockerfile.media bzImage kernel.tar $(DEPS)
+	tar cf - $^ | docker build --no-cache -t $(IMAGE):build -f Dockerfile.media -
+	tar cf - $^ | DOCKER_CONTENT_TRUST=1 docker run --rm -i $(SHASUM) sha1sum | sed 's/ .*//' > $@
+
+push: hash
+	docker pull mobylinux/$(IMAGE):$(shell cat hash) || \
+		(docker tag $(IMAGE):build mobylinux/$(IMAGE):$(shell cat hash) && \
+		 docker push mobylinux/$(IMAGE):$(shell cat hash))
+	docker rmi $(IMAGE):build
+	rm -f hash
+
+tag: hash
+	docker pull mobylinux/$(IMAGE):$(shell cat hash) || \
+		docker tag $(IMAGE):build mobylinux/$(IMAGE):$(shell cat hash)
+	docker rmi $(IMAGE):build
+	rm -f hash
+
+.PHONY: clean
 clean:
-	rm -rf x86_64 lib etc usr sbin kernel.tag
+	rm -rf x86_64 lib usr sbin kernel.tag hash Dockerfile.media bzImage kernel.tar
 
 .DELETE_ON_ERROR:

moby.yaml

@@ -1,4 +1,4 @@
-kernel: "mobylinux/kernel:7fa748810d7866797fd807a5682d5cb3c9c98111"
+kernel: "mobylinux/kernel:598481c08deafa37dccb33c88ad69fdecda57909"
 init: "mobylinux/init:99cd639fa724a706e2d85575cabc4b645b71a727"
 system:
   - name: binfmt

test.yaml

@@ -1,4 +1,4 @@
-kernel: "mobylinux/kernel:7fa748810d7866797fd807a5682d5cb3c9c98111"
+kernel: "mobylinux/kernel:598481c08deafa37dccb33c88ad69fdecda57909"
 init: "mobylinux/init:99cd639fa724a706e2d85575cabc4b645b71a727"
 system:
   - name: binfmt