Merge pull request #735 from imikushin/multiarch

Multi-arch build: amd64, arm

Dockerfile.dapper

@@ -1,9 +1,9 @@
-FROM debian:jessie
+FROM ubuntu:15.10
+
 RUN apt-get update && \
     apt-get -y install locales sudo vim less curl wget git rsync build-essential syslinux isolinux xorriso \
-        libblkid-dev libmount-dev libselinux1-dev cpio genisoimage qemu-kvm python-pip ca-certificates && \
-    rm -rf /var/lib/apt/lists/*
-RUN ln -s /usr/bin/genisoimage /usr/bin/mkisofs
+        libblkid-dev libmount-dev libselinux1-dev cpio genisoimage qemu-kvm python-pip ca-certificates
+
 RUN locale-gen en_US.UTF-8
 ENV LANG en_US.UTF-8
 ENV PATH $PATH:/usr/local/go/bin
@@ -14,8 +14,8 @@ ENV GO15VENDOREXPERIMENT 1
 
 RUN pip install tox
 RUN curl -sSL https://storage.googleapis.com/golang/go1.5.3.linux-amd64.tar.gz | tar -xz -C /usr/local
-RUN curl -sL https://get.docker.com/builds/Linux/x86_64/docker-1.9.1 > /usr/bin/docker
-RUN chmod +x /usr/bin/docker
+RUN curl -sL https://get.docker.com/builds/Linux/x86_64/docker-1.9.1 > /usr/local/bin/docker
+RUN chmod +x /usr/local/bin/docker
 
 ENV DAPPER_DOCKER_SOCKET true
 ENV DAPPER_SOURCE /go/src/github.com/rancher/os
@@ -25,3 +25,33 @@ ENV SHELL /bin/bash
 WORKDIR ${DAPPER_SOURCE}
 
 COPY .dockerignore.docker .dockerignore
+
+RUN cd /usr/local/src && \
+    for i in libselinux pcre3 util-linux; do \
+        apt-get build-dep -y $i && \
+        apt-get source -y $i \
+    ;done
+
+RUN apt-get install -y gcc-arm-linux-gnueabihf g++-arm-linux-gnueabihf
+RUN cd /usr/local/src/pcre3-* && \
+    autoreconf && \
+    CC=arm-linux-gnueabihf-gcc CXX=arm-linux-gnueabihf-g++ ./configure --host=arm-linux-gnueabihf --prefix=/usr/arm-linux-gnueabihf && \
+    make -j$(nproc) && \
+    make install
+
+RUN cd /usr/local/src/libselinux-* && \
+    CC=arm-linux-gnueabihf-gcc CXX=arm-linux-gnueabihf-g++ make CFLAGS=-Wall && \
+    make PREFIX=/usr/arm-linux-gnueabihf DESTDIR=/usr/arm-linux-gnueabihf install
+
+RUN cd /usr/local/src/util-linux-* && \
+    autoreconf && \
+    CC=arm-linux-gnueabihf-gcc CXX=arm-linux-gnueabihf-g++ ./configure --host=arm-linux-gnueabihf --prefix=/usr/arm-linux-gnueabihf \
+        --disable-all-programs \
+        --enable-libmount \
+        --enable-libblkid \
+        --enable-libuuid \
+        --enable-mount && \
+    make -j$(nproc) && \
+    make install
+
+CMD make all

Makefile

@@ -1,16 +1,22 @@
-include build.conf
 FORCE_PULL := 0
 DEV_BUILD  := 0
+ARCH       := amd64
+
+include build.conf
+include build.conf.$(ARCH)
 
 
-installer: minimal
-	docker build -t $(IMAGE_NAME):$(VERSION) .
-
-bin/rancheros:
+bin/ros:
 	mkdir -p $(dir $@)
-	go build -tags netgo -installsuffix netgo -ldflags "-X github.com/rancher/os/config.VERSION=$(VERSION) -linkmode external -extldflags -static" -o $@
-	strip --strip-all $@
+	ARCH=$(ARCH) VERSION=$(VERSION) ./scripts/mk-ros.sh $@
 
+build/host_ros: bin/ros
+	mkdir -p $(dir $@)
+ifeq "$(ARCH)" "amd64"
+	ln -sf ../bin/ros $@
+else
+	ARCH=amd64 VERSION=$(VERSION) ./scripts/mk-ros.sh $@
+endif
 
 pwd := $(shell pwd)
 include scripts/build-common
@@ -22,6 +28,11 @@ assets/docker:
 	chmod +x $@
 
 
+ifdef COMPILED_KERNEL_URL
+
+installer: minimal
+	docker build -t $(IMAGE_NAME):$(VERSION) .
+
 $(DIST)/artifacts/vmlinuz: $(BUILD)/kernel/
 	mkdir -p $(dir $@)
 	mv $(BUILD)/kernel/boot/vmlinuz* $@
@@ -29,21 +40,41 @@ $(DIST)/artifacts/vmlinuz: $(BUILD)/kernel/
 
 $(BUILD)/kernel/:
 	mkdir -p $@
-	([ -e "$(COMPILED_KERNEL_URL)" ] && cat "$(COMPILED_KERNEL_URL)" || curl -L "$(COMPILED_KERNEL_URL)") | tar -xzf - -C $@
+	curl -L "$(COMPILED_KERNEL_URL)" | tar -xzf - -C $@
 
 
-$(BUILD)/images.tar: bin/rancheros
-	FORCE_PULL=$(FORCE_PULL) ./scripts/mk-images-tar.sh
-
-
-$(DIST)/artifacts/initrd: bin/rancheros assets/docker $(BUILD)/kernel/ $(BUILD)/images.tar
+$(DIST)/artifacts/initrd: bin/ros assets/docker $(BUILD)/kernel/ $(BUILD)/images.tar
 	mkdir -p $(dir $@)
-	DFS_IMAGE=$(DFS_IMAGE) DEV_BUILD=$(DEV_BUILD) ./scripts/mk-initrd.sh
+	ARCH=$(ARCH) DFS_IMAGE=$(DFS_IMAGE) DEV_BUILD=$(DEV_BUILD) ./scripts/mk-initrd.sh $@
 
 
 $(DIST)/artifacts/rancheros.iso: minimal
 	./scripts/mk-rancheros-iso.sh
 
+all: minimal installer iso
+
+initrd: $(DIST)/artifacts/initrd
+
+minimal: initrd $(DIST)/artifacts/vmlinuz
+
+iso: $(DIST)/artifacts/rancheros.iso $(DIST)/artifacts/iso-checksums.txt
+
+test: minimal
+	cd tests/integration && tox
+
+.PHONY: all minimal initrd iso installer test
+
+endif
+
+
+$(BUILD)/images.tar: build/host_ros
+	ARCH=$(ARCH) FORCE_PULL=$(FORCE_PULL) ./scripts/mk-images-tar.sh
+
+
+$(DIST)/artifacts/rootfs.tar.gz: bin/ros assets/docker $(BUILD)/images.tar
+	mkdir -p $(dir $@)
+	ARCH=$(ARCH) DFS_IMAGE=$(DFS_IMAGE) DEV_BUILD=$(DEV_BUILD) IS_ROOTFS=1 ./scripts/mk-initrd.sh $@
+
 
 $(DIST)/artifacts/iso-checksums.txt: $(DIST)/artifacts/rancheros.iso
 	./scripts/mk-iso-checksums-txt.sh
@@ -52,13 +83,6 @@ $(DIST)/artifacts/iso-checksums.txt: $(DIST)/artifacts/rancheros.iso
 version:
 	@echo $(VERSION)
 
-all: minimal installer iso
+rootfs: $(DIST)/artifacts/rootfs.tar.gz
 
-minimal: $(DIST)/artifacts/initrd $(DIST)/artifacts/vmlinuz
-
-iso: $(DIST)/artifacts/rancheros.iso $(DIST)/artifacts/iso-checksums.txt
-
-test: minimal
-	cd tests/integration && tox
-
-.PHONY: build-all minimal iso installer version bin/rancheros integration-tests
+.PHONY: rootfs version bin/ros

build.conf

@@ -1,6 +1,3 @@
 IMAGE_NAME=rancher/os
 VERSION=v0.4.3-dev
-
-DOCKER_BINARY_URL=https://get.docker.com/builds/Linux/x86_64/docker-1.10.0
-COMPILED_KERNEL_URL=https://github.com/rancher/os-kernel/releases/download/Ubuntu-4.2.0-28.33-rancher/linux-4.2.8-ckt3-rancher-x86.tar.gz
 DFS_IMAGE=rancher/docker:1.10.0

build.conf.amd64

@@ -0,0 +1,2 @@
+COMPILED_KERNEL_URL=https://github.com/rancher/os-kernel/releases/download/Ubuntu-4.2.0-28.33-rancher/linux-4.2.8-ckt3-rancher-x86.tar.gz
+DOCKER_BINARY_URL=https://get.docker.com/builds/Linux/x86_64/docker-1.10.0

build.conf.arm

@@ -0,0 +1 @@
+DOCKER_BINARY_URL=https://github.com/rancher/docker/releases/download/v1.10.0-ros_arm/docker-1.10.0

build.sh

@@ -8,9 +8,9 @@ if [ "$1" != "--dev" ]; then
   echo
   echo For \"developer\" builds, run ./build.sh --dev
   echo
-  dapper -k make all
+  dapper make all
 else
-  dapper -k make DEV_BUILD=1 all
+  dapper make DEV_BUILD=1 all
 fi
 
 

init/bootstrap.go

@@ -1,7 +1,6 @@
 package init
 
 import (
-	"os"
 	"syscall"
 
 	"fmt"
@@ -61,7 +60,7 @@ func stopDocker(c chan interface{}) error {
 	c <- struct{}{}
 	<-c
 
-	return os.RemoveAll(config.DOCKER_SYSTEM_HOME)
+	return nil
 }
 
 func bootstrap(cfg *config.CloudConfig) error {

init/init.go

@@ -8,6 +8,7 @@ import (
 	"os"
 	"os/exec"
 	"strings"
+	"syscall"
 
 	log "github.com/Sirupsen/logrus"
 	"github.com/rancher/docker-from-scratch"
@@ -17,6 +18,9 @@ import (
 
 const (
 	STATE string = "/state"
+
+	TMPFS_MAGIC int64 = 0x01021994
+	RAMFS_MAGIC int64 = 0x858458f6
 )
 
 var (
@@ -140,6 +144,7 @@ func tryMountState(cfg *config.CloudConfig) error {
 }
 
 func tryMountAndBootstrap(cfg *config.CloudConfig) (*config.CloudConfig, error) {
+	if isInitrd() {
 		if err := tryMountState(cfg); !cfg.Rancher.State.Required && err != nil {
 			return cfg, nil
 		} else if err != nil {
@@ -150,6 +155,7 @@ func tryMountAndBootstrap(cfg *config.CloudConfig) (*config.CloudConfig, error)
 		if err := switchRoot(STATE, cfg.Rancher.State.Directory, cfg.Rancher.RmUsr); err != nil {
 			return cfg, err
 		}
+	}
 	return mountOem(cfg)
 }
 
@@ -170,10 +176,21 @@ func getLaunchConfig(cfg *config.CloudConfig, dockerCfg *config.DockerConfig) (*
 	return &launchConfig, args
 }
 
+func isInitrd() bool {
+	var stat syscall.Statfs_t
+	syscall.Statfs("/", &stat)
+	return int64(stat.Type) == TMPFS_MAGIC || int64(stat.Type) == RAMFS_MAGIC
+}
+
 func RunInit() error {
 	os.Setenv("PATH", "/sbin:/usr/sbin:/usr/bin")
+	if isInitrd() {
+		log.Debug("Booting off an in-memory filesystem")
 		// Magic setting to tell Docker to do switch_root and not pivot_root
 		os.Setenv("DOCKER_RAMDISK", "true")
+	} else {
+		log.Debug("Booting off a persistent filesystem")
+	}
 
 	initFuncs := []config.CfgFunc{
 		func(c *config.CloudConfig) (*config.CloudConfig, error) {

init/sysinit.go

@@ -27,7 +27,7 @@ func findImages(cfg *config.CloudConfig) ([]string, error) {
 
 	dir, err := os.Open(config.IMAGES_PATH)
 	if os.IsNotExist(err) {
-		log.Debugf("Not loading images, %s does not exist")
+		log.Debugf("Not loading images, %s does not exist", config.IMAGES_PATH)
 		return result, nil
 	}
 	if err != nil {

main.go

@@ -56,7 +56,10 @@ func main() {
 	registerCmd("/usr/sbin/wait-for-network", waitfornetwork.Main)
 	registerCmd("/usr/sbin/wait-for-docker", wait.Main)
 
+	if !reexec.Init() {
+		reexec.Register(os.Args[0], control.Main)
 		if !reexec.Init() {
 			log.Fatalf("Failed to find an entry point for %s", os.Args[0])
 		}
 	}
+}

os-config.yml

@@ -1,3 +1,4 @@
+hostname: rancher
 rancher:
   bootstrap:
     state-script:

os-config_arm.yml

@@ -0,0 +1,328 @@
+hostname: rancher
+rancher:
+  bootstrap:
+    state-script:
+      image: rancher/os-statescript:v0.4.3-dev_arm
+      labels:
+        io.rancher.os.detach: "false"
+        io.rancher.os.scope: system
+        io.rancher.os.after: udev-bootstrap
+      log_driver: json-file
+      net: host
+      uts: host
+      privileged: true
+      volumes:
+      - /dev:/host/dev
+      - /lib/modules:/lib/modules
+      - /lib/firmware:/lib/firmware
+      - /usr/bin/ros:/usr/bin/ros:ro
+      - /usr/share/ros:/usr/share/ros:ro
+    udev-bootstrap:
+      image: rancher/os-udev:v0.4.3-dev_arm
+      environment:
+      - BOOTSTRAP=true
+      labels:
+        io.rancher.os.detach: "false"
+        io.rancher.os.scope: system
+      log_driver: json-file
+      net: host
+      uts: host
+      privileged: true
+      volumes:
+      - /dev:/host/dev
+      - /lib/modules:/lib/modules
+      - /lib/firmware:/lib/firmware
+  autoformat:
+    autoformat:
+      image: rancher/os-autoformat:v0.4.3-dev_arm
+      labels:
+        io.rancher.os.detach: "false"
+        io.rancher.os.scope: system
+      log_driver: json-file
+      net: none
+      privileged: true
+    udev-autoformat:
+      image: rancher/os-udev:v0.4.3-dev_arm
+      labels:
+        io.rancher.os.detach: "false"
+        io.rancher.os.scope: system
+        io.rancher.os.after: autoformat
+      log_driver: json-file
+      net: host
+      uts: host
+      privileged: true
+      volumes:
+      - /dev:/host/dev
+      - /lib/modules:/lib/modules
+      - /lib/firmware:/lib/firmware
+  bootstrap_docker:
+    args: [daemon, -s, overlay, -b, none, --restart=false, -g, /var/lib/system-docker,
+        -G, root, -H, 'unix:///var/run/system-docker.sock', --userland-proxy=false]
+  cloud_init:
+    datasources:
+    - configdrive:/media/config-2
+  network:
+    dns:
+      nameservers: [8.8.8.8, 8.8.4.4]
+    interfaces:
+      eth*:
+        dhcp: true
+      lo:
+        address: 127.0.0.1/8
+  repositories:
+    core:
+      url: https://raw.githubusercontent.com/rancher/os-services/v0.4.3-dev_arm
+  state:
+    fstype: auto
+    dev: LABEL=RANCHER_STATE
+    oem_fstype: auto
+    oem_dev: LABEL=RANCHER_OEM
+  services:
+    all-volumes:
+      image: rancher/os-state:v0.4.3-dev_arm
+      labels:
+        io.rancher.os.createonly: "true"
+        io.rancher.os.scope: system
+      log_driver: json-file
+      net: none
+      privileged: true
+      read_only: true
+      volumes_from:
+      - container-data-volumes
+      - command-volumes
+      - user-volumes
+      - system-volumes
+    cloud-init:
+      image: rancher/os-cloudinit:v0.4.3-dev_arm
+      labels:
+        io.rancher.os.detach: "false"
+        io.rancher.os.reloadconfig: "true"
+        io.rancher.os.scope: system
+        io.rancher.os.after: cloud-init-pre, wait-for-network
+      net: host
+      uts: host
+      privileged: true
+      volumes_from:
+      - command-volumes
+      - system-volumes
+    cloud-init-pre:
+      image: rancher/os-cloudinit:v0.4.3-dev_arm
+      environment:
+      - CLOUD_INIT_NETWORK=false
+      labels:
+        io.rancher.os.detach: "false"
+        io.rancher.os.reloadconfig: "true"
+        io.rancher.os.scope: system
+        io.rancher.os.after: preload-system-images
+      net: host
+      uts: host
+      privileged: true
+      volumes_from:
+      - command-volumes
+      - system-volumes
+    command-volumes:
+      image: rancher/os-state:v0.4.3-dev_arm
+      labels:
+        io.rancher.os.createonly: "true"
+        io.rancher.os.scope: system
+      log_driver: json-file
+      net: none
+      privileged: true
+      read_only: true
+      volumes:
+      - /usr/bin/docker:/usr/bin/docker.dist:ro
+      - /usr/bin/ros:/usr/bin/dockerlaunch:ro
+      - /usr/bin/ros:/usr/bin/user-docker:ro
+      - /usr/bin/ros:/usr/bin/system-docker:ro
+      - /usr/bin/ros:/sbin/poweroff:ro
+      - /usr/bin/ros:/sbin/reboot:ro
+      - /usr/bin/ros:/sbin/halt:ro
+      - /usr/bin/ros:/sbin/shutdown:ro
+      - /usr/bin/ros:/usr/bin/respawn:ro
+      - /usr/bin/ros:/usr/bin/ros:ro
+      - /usr/bin/ros:/usr/bin/cloud-init:ro
+      - /usr/bin/ros:/usr/sbin/netconf:ro
+      - /usr/bin/ros:/usr/sbin/wait-for-network:ro
+      - /usr/bin/ros:/usr/sbin/wait-for-docker:ro
+    console:
+      image: rancher/os-console:v0.4.3-dev_arm
+      labels:
+        io.rancher.os.scope: system
+        io.rancher.os.after: cloud-init
+        io.docker.compose.rebuild: always
+      net: host
+      uts: host
+      pid: host
+      ipc: host
+      privileged: true
+      restart: always
+      volumes_from:
+      - all-volumes
+      volumes:
+      - /usr/bin/iptables:/sbin/iptables:ro
+    container-data-volumes:
+      image: rancher/os-state:v0.4.3-dev_arm
+      labels:
+        io.rancher.os.createonly: "true"
+        io.rancher.os.scope: system
+      log_driver: json-file
+      net: none
+      privileged: true
+      read_only: true
+      volumes:
+      - /var/lib/docker:/var/lib/docker
+      - /var/lib/rkt:/var/lib/rkt
+    network:
+      image: rancher/os-network:v0.4.3-dev_arm
+      labels:
+        io.rancher.os.scope: system
+        io.rancher.os.after: cloud-init-pre
+      net: host
+      uts: host
+      pid: host
+      privileged: true
+      volumes_from:
+      - command-volumes
+      - system-volumes
+    wait-for-network:
+      image: rancher/os-network:v0.4.3-dev_arm
+      command: wait-for-network
+      labels:
+        io.rancher.os.detach: "false"
+        io.rancher.os.scope: system
+        io.rancher.os.after: network
+      pid: host
+      privileged: true
+      volumes_from:
+      - command-volumes
+      - system-volumes
+    ntp:
+      image: rancher/os-ntp:v0.4.3-dev_arm
+      labels:
+        io.rancher.os.scope: system
+        io.rancher.os.after: cloud-init, wait-for-network
+      net: host
+      uts: host
+      privileged: true
+      restart: always
+    preload-system-images:
+      image: rancher/os-preload:v0.4.3-dev_arm
+      labels:
+        io.rancher.os.detach: "false"
+        io.rancher.os.scope: system
+      privileged: true
+      volumes:
+      - /var/run/system-docker.sock:/var/run/docker.sock
+      - /var/lib/system-docker/preload:/mnt/preload
+      volumes_from:
+      - command-volumes
+      - system-volumes
+    preload-user-images:
+      image: rancher/os-preload:v0.4.3-dev_arm
+      labels:
+        io.rancher.os.detach: "false"
+        io.rancher.os.scope: system
+        io.rancher.os.after: console
+      privileged: true
+      volumes:
+      - /var/run/docker.sock:/var/run/docker.sock
+      - /var/lib/docker/preload:/mnt/preload
+      volumes_from:
+      - command-volumes
+      - system-volumes
+    syslog:
+      image: rancher/os-syslog:v0.4.3-dev_arm
+      labels:
+        io.rancher.os.scope: system
+      log_driver: json-file
+      net: host
+      uts: host
+      privileged: true
+      restart: always
+      volumes_from:
+      - system-volumes
+    system-volumes:
+      image: rancher/os-state:v0.4.3-dev_arm
+      labels:
+        io.rancher.os.createonly: "true"
+        io.rancher.os.scope: system
+      log_driver: json-file
+      net: none
+      privileged: true
+      read_only: true
+      volumes:
+      - /dev:/host/dev
+      - /etc/docker:/etc/docker
+      - /etc/hosts:/etc/hosts
+      - /etc/resolv.conf:/etc/resolv.conf
+      - /etc/rkt:/etc/rkt
+      - /etc/ssl/certs/ca-certificates.crt:/etc/ssl/certs/ca-certificates.crt.rancher
+      - /lib/firmware:/lib/firmware
+      - /lib/modules:/lib/modules
+      - /run:/run
+      - /usr/share/ros:/usr/share/ros
+      - /var/lib/rancher/conf:/var/lib/rancher/conf
+      - /var/lib/rancher:/var/lib/rancher
+      - /var/log:/var/log
+      - /var/run:/var/run
+    udev-cold:
+      image: rancher/os-udev:v0.4.3-dev_arm
+      labels:
+        io.rancher.os.scope: system
+        io.rancher.os.before: udev
+      net: host
+      uts: host
+      privileged: true
+      volumes_from:
+      - system-volumes
+    udev:
+      image: rancher/os-udev:v0.4.3-dev_arm
+      environment:
+      - DAEMON=true
+      labels:
+        io.rancher.os.detach: "true"
+        io.rancher.os.scope: system
+      net: host
+      uts: host
+      privileged: true
+      restart: always
+      volumes_from:
+      - system-volumes
+    user-volumes:
+      image: rancher/os-state:v0.4.3-dev_arm
+      labels:
+        io.rancher.os.createonly: "true"
+        io.rancher.os.scope: system
+      log_driver: json-file
+      net: none
+      privileged: true
+      read_only: true
+      volumes:
+      - /home:/home
+      - /opt:/opt
+    docker:
+      image: rancher/os-docker:v0.4.3-dev_arm
+      labels:
+        io.rancher.os.scope: system
+        io.rancher.os.after: console
+      net: host
+      pid: host
+      ipc: host
+      uts: host
+      privileged: true
+      restart: always
+      volumes_from:
+      - all-volumes
+      volumes:
+      - /sys/fs/cgroup:/host/sys/fs/cgroup
+  system_docker:
+    args: [daemon, --log-opt, max-size=25m, --log-opt, max-file=2, -s, overlay, -b, docker-sys,
+      --fixed-cidr, 172.18.42.1/16, --restart=false, -g, /var/lib/system-docker, -G, root,
+      -H, 'unix:///var/run/system-docker.sock', --userland-proxy=false]
+  upgrade:
+    url: https://releases.rancher.com/os/releases_arm.yml
+    image: rancher/os
+  docker:
+    tls_args: [--tlsverify, --tlscacert=/etc/docker/tls/ca.pem, --tlscert=/etc/docker/tls/server-cert.pem, --tlskey=/etc/docker/tls/server-key.pem,
+      '-H=0.0.0.0:2376']
+    args: [daemon, --log-opt, max-size=25m, --log-opt, max-file=2, -s, overlay, -G, docker, -H, 'unix:///var/run/docker.sock', --userland-proxy=false]

releases.yml

@@ -3,4 +3,5 @@ available:
   - rancher/os:v0.4.0
   - rancher/os:v0.4.1
   - rancher/os:v0.4.2
-current: rancher/os:v0.4.2
+  - rancher/os:v0.4.3
+current: rancher/os:v0.4.3

releases_arm.yml

@@ -0,0 +1,4 @@
+---
+available:
+  - rancher/os:v0.4.3_arm
+current: rancher/os:v0.4.3_arm

scripts/mk-images-tar.sh

@@ -1,13 +1,15 @@
 #!/bin/bash
 set -ex
 
+suffix=""
+[ "$ARCH" == "amd64" ] || suffix="_${ARCH}"
+
 cd $(dirname $0)/..
 . scripts/build-common
 
-ln -sf bin/rancheros ./ros
-
-for i in `./ros c images -i os-config.yml`; do
+images="$(build/host_ros c images -i os-config${suffix}.yml)"
+for i in ${images}; do
     [ "${FORCE_PULL}" != "1" ] && docker inspect $i >/dev/null 2>&1 || docker pull $i;
 done
 
-docker save `./ros c images -i os-config.yml` > ${BUILD}/images.tar
+docker save ${images} > ${BUILD}/images.tar

scripts/mk-initrd.sh

@@ -1,6 +1,17 @@
 #!/bin/bash
 set -ex
 
+TARGET=${1}
+
+ARCH=${ARCH:-"amd64"}
+DFS_IMAGE=${DFS_IMAGE:?"DFS_IMAGE not set"}
+IS_ROOTFS=${IS_ROOTFS:-0}
+
+suffix=""
+[ "$ARCH" == "amd64" ] || suffix="_${ARCH}"
+
+DFS_ARCH_IMAGE=${DFS_IMAGE}${suffix}
+
 cd $(dirname $0)/..
 . scripts/build-common
 
@@ -8,18 +19,25 @@ INITRD_DIR=${BUILD}/initrd
 
 rm -rf ${INITRD_DIR}/{usr,init}
 mkdir -p ${INITRD_DIR}/usr/{bin,share/ros}
+mkdir -p ${INITRD_DIR}/var/lib/system-docker
 
-cp -rf ${BUILD}/kernel/lib ${INITRD_DIR}/usr
+if [ "$IS_ROOTFS" == "0" ]; then
+  cp -rf ${BUILD}/kernel/lib ${INITRD_DIR}/usr/
+fi
 cp assets/docker           ${INITRD_DIR}/usr/bin/docker
-cp ${BUILD}/images.tar     ${INITRD_DIR}/usr/share/ros
-cp os-config.yml           ${INITRD_DIR}/usr/share/ros/
-cp bin/rancheros           ${INITRD_DIR}/usr/bin/ros
+if [ "$IS_ROOTFS" == "0" ]; then
+  cp ${BUILD}/images.tar     ${INITRD_DIR}/usr/share/ros/
+fi
+cp os-config${suffix}.yml  ${INITRD_DIR}/usr/share/ros/os-config.yml
+cp bin/ros                 ${INITRD_DIR}/usr/bin/
 ln -s usr/bin/ros          ${INITRD_DIR}/init
 ln -s bin                  ${INITRD_DIR}/usr/sbin
+ln -s usr/sbin             ${INITRD_DIR}/sbin
 
-DFS=$(docker create ${DFS_IMAGE})
-trap "docker rm -fv ${DFS}" EXIT
-docker export ${DFS} | tar xvf - -C ${INITRD_DIR}  --exclude=usr/bin/dockerlaunch \
+DFS_ARCH=$(docker create ${DFS_ARCH_IMAGE})
+trap "docker rm -fv ${DFS_ARCH}" EXIT
+
+docker export ${DFS_ARCH} | tar xvf - -C ${INITRD_DIR} --exclude=usr/bin/dockerlaunch \
                                                        --exclude=usr/bin/docker       \
                                                        --exclude=usr/share/git-core   \
                                                        --exclude=usr/bin/git          \
@@ -27,10 +45,22 @@ docker export ${DFS} | tar xvf - -C ${INITRD_DIR}  --exclude=usr/bin/dockerlaunc
                                                        --exclude=usr/libexec/git-core \
                                                        usr
 
-if [ "$DEV_BUILD" == "1" ]; then
-    COMPRESS="gzip -1"
+if [ "$IS_ROOTFS" == "1" ]; then
+  DFS=$(docker run -d --privileged -v /lib/modules/$(uname -r):/lib/modules/$(uname -r) ${DFS_IMAGE})
+  trap "docker rm -fv ${DFS_ARCH} ${DFS}" EXIT
+  docker exec -i ${DFS} docker load < ${BUILD}/images.tar
+  docker stop ${DFS}
+  docker run --rm --volumes-from=${DFS} debian:jessie tar -c -C /var/lib/docker ./image | tar -x -C ${INITRD_DIR}/var/lib/system-docker
+  docker run --rm --volumes-from=${DFS} debian:jessie tar -c -C /var/lib/docker ./overlay | tar -x -C ${INITRD_DIR}/var/lib/system-docker
+
+  cd ${INITRD_DIR}
+
+  tar -czf ${TARGET} .
 else
   COMPRESS=lzma
-fi
+  [ "$DEV_BUILD" == "1" ] && COMPRESS="gzip -1"
 
-cd ${INITRD_DIR} && find | cpio -H newc -o | ${COMPRESS} > ${DIST}/artifacts/initrd
+  cd ${INITRD_DIR}
+
+  find | cpio -H newc -o | ${COMPRESS} > ${TARGET}
+fi

scripts/mk-ros.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+set -ex
+
+ros="$1"
+
+ARCH=${ARCH:?"ARCH not set"}
+VERSION=${VERSION:?"VERSION not set"}
+
+cd $(dirname $0)/..
+
+strip_bin=$(which strip)
+if [ "${ARCH}" == "arm" ]; then
+  export GOARM=6
+  export CC=/usr/bin/arm-linux-gnueabihf-gcc
+  export CGO_ENABLED=1
+  strip_bin=/usr/arm-linux-gnueabihf/bin/strip
+fi
+GOARCH=${ARCH} go build -tags netgo -installsuffix netgo -ldflags "-X github.com/rancher/os/config.VERSION=${VERSION} -linkmode external -extldflags -static" -o ${ros}
+${strip_bin} --strip-all ${ros}

scripts/run

@@ -101,8 +101,8 @@ if [ "$REBUILD" == "1" ]; then
     ln -s ${INITRD_TMP} ${INITRD_CURRENT}
 
     mkdir -p ${INITRD_TMP}/usr/{bin,share/ros}
-    cp bin/rancheros ${INITRD_TMP}/usr/bin/ros
-    cp -f os-config.yml ${INITRD_TMP}/usr/share/ros
+    cp bin/ros ${INITRD_TMP}/usr/bin/
+    cp -f os-config.yml ${INITRD_TMP}/usr/share/ros/
 
     pushd ${INITRD_TMP}
     find . | cpio -H newc -o | gzip > ${INITRD_TEST}