Merge pull request #284 from nathanleclaire/azure

Add support for Azure (VHD) build to Moby

alpine/packages/azure/etc/init.d/azure

@@ -0,0 +1,116 @@
+#!/sbin/openrc-run
+
+description="Bootstrap procedure if running on Docker Azure edition"
+
+depend()
+{
+	need docker
+	need networking
+}
+
+start()
+{
+	[ "$(mobyplatform)" != "azure" ] && exit 0
+	ebegin "Running Azure-specific initialization"
+
+	einfo "Setting hostname"
+
+	# TODO: This is probably quite fragile (splitting the returned JSON by
+	# quotes instead of properly parsing).  Would bundling 'jq' in Moby be
+	# too much overhead?
+	hostname $(wget -qO- http://169.254.169.254/metadata/v1/instanceinfo | awk -F '"' '{ print $4; }')
+
+	for i in $(seq 1 20)
+	do
+		einfo "Pulling Windows Azure Linux Agent container"
+
+		docker pull nathanleclaire/walinuxagent >/dev/null
+
+		einfo "Running Windows Azure Linux Agent container"
+
+		docker run -d \
+			--name waagent \
+			--privileged \
+			--restart unless-stopped \
+			--net host \
+			--ipc host \
+			--pid host \
+			-v /home:/home \
+			-v /etc:/etc \
+			-v /lib/modules:/lib/modules \
+			-v /lib/firmware:/lib/firmware \
+			-v /var/log:/var/log \
+			-v /var/lib/waagent:/var/lib/waagent \
+			nathanleclaire/walinuxagent
+
+		if [ $? -eq 0 ]
+		then
+			break
+		fi
+
+		# Wait for... network to come up?  DNS servers to be reachable?
+		# Not certain, but Azure continually fails to achieve this pull so
+		# far because it can't dial the DNS lookup properly.
+		# 
+		# TODO: Debug.
+		sleep 5
+	done
+
+	# Wait for custom data to arrive
+	while [ ! -f /var/lib/waagent/CustomData ]
+	do
+		sleep 5
+	done
+
+	source /var/lib/waagent/CustomData
+
+	if [ "${ROLE}" == "MANAGER" ]
+	then
+		docker swarm init \
+			--auto-accept manager \
+			--auto-accept worker
+
+		# TODO: Make this cleaner.
+		# User gets added by waagent.
+		# Need to unlock it to login via SSH.
+		passwd -u docker
+
+		checkpath --directory --mode 0700 /home/docker/.ssh
+
+		einfo "Pulling taco shell"
+
+		docker pull nathanleclaire/taco-shell >/dev/null
+
+		einfo "Running taco shell"
+
+		# Container for inbound shell access.
+		#
+		#  TODO: Move this into another service?
+		docker run -d \
+			--name taco-shell \
+			--net host \
+			--restart always \
+			-p 22:22 \
+			-v /usr/bin/docker:/usr/docker/bin/docker:ro \
+			-v /var/run/docker.sock:/var/run/docker.sock \
+			-v /home/docker/.ssh:/home/docker/.ssh:ro \
+			-v /etc/passwd:/etc/passwd:ro \
+			-v /etc/shadow:/etc/shadow:ro \
+			-v /var/log:/var/log:ro \
+			-v /etc/ssh/ssh_host_rsa_key:/etc/ssh/ssh_host_rsa_key:ro \
+			-v /etc/ssh/ssh_host_rsa_key.pub:/etc/ssh/ssh_host_rsa_key.pub:ro \
+			nathanleclaire/taco-shell
+	else
+		docker swarm join "${MANAGER_IP}:2377"
+	fi
+
+	eend 0
+}
+
+stop()
+{
+	[ "$(mobyplatform)" != "azure" ] && exit 0
+	docker rm -f waagent || true
+	docker rm -f taco-shell || true
+	passwd -l docker
+}