From 39af2472338d2a2543e6d8a09723f9f2a2bee642 Mon Sep 17 00:00:00 2001
From: Kostas Lekkas <kostas@resin.io>
Date: Tue, 5 Jul 2016 20:48:14 +0300
Subject: [PATCH] dind: add helper scripts to speed-up development with bind
 mounts

---
 Makefile                                      |  6 +-
 tools/dev/dev_s.sh                            | 96 +++++++++++++++++++
 .../services/resin-supervisor-dind.service    |  1 +
 3 files changed, 101 insertions(+), 2 deletions(-)
 create mode 100755 tools/dev/dev_s.sh

diff --git a/Makefile b/Makefile
index 3989cfa0d..79a59bd96 100644
--- a/Makefile
+++ b/Makefile
@@ -16,7 +16,7 @@ ifdef use_proxy_at_runtime
 	rt_no_proxy=$(no_proxy)
 endif
 
-DISABLE_CACHE= 'false'
+DISABLE_CACHE = 'false'
 
 ARCH = rpi# rpi/amd64/i386/armv7hf/armel
 BASE_DISTRO =
@@ -70,6 +70,8 @@ else
 	PRELOADED_IMAGE=
 endif
 
+SUPERVISOR_EXTRA_MOUNTS =
+
 clean:
 	-rm Dockerfile
 
@@ -78,7 +80,7 @@ supervisor-dind:
 
 run-supervisor: supervisor-dind stop-supervisor
 	cd tools/dind \
-	&& echo "SUPERVISOR_IMAGE=$(SUPERVISOR_IMAGE)\nPRELOADED_IMAGE=$(PRELOADED_IMAGE)" > config/localenv \
+	&& echo "SUPERVISOR_IMAGE=$(SUPERVISOR_IMAGE)\nPRELOADED_IMAGE=$(PRELOADED_IMAGE)\nSUPERVISOR_EXTRA_MOUNTS=$(SUPERVISOR_EXTRA_MOUNTS)" > config/localenv \
 	&& docker run -d --name resin_supervisor_1 --privileged ${SUPERVISOR_DIND_MOUNTS} resin/resin-supervisor-dind:$(SUPERVISOR_VERSION)
 
 stop-supervisor:
diff --git a/tools/dev/dev_s.sh b/tools/dev/dev_s.sh
new file mode 100755
index 000000000..860e86da3
--- /dev/null
+++ b/tools/dev/dev_s.sh
@@ -0,0 +1,96 @@
+#!/bin/bash
+
+set -o errexit
+set -o pipefail
+# set -o xtrace
+
+DIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
+SUPERVISOR_BASE_DIR="${DIR}/../.."
+
+ARCH=${ARCH:-"amd64"}
+DEPLOY_REGISTRY=${DEPLOY_REGISTRY:-"registry.resindev.io/"}
+PASSWORDLESS_DROPBEAR=${PASSWORDLESS_DROPBEAR:-"false"}
+SUPERVISOR_EXTRA_MOUNTS=
+
+function showHelp {
+	echo
+	echo "	This script can be used to facilitate supervisor development. Its core feature is allowing"
+	echo "	faster development iterations by bind-mounting the local './src' directly into the running"
+	echo "	supervisor container."
+	echo
+	echo "	Setting the '--mount-nm' flag in either 'bindrun' or 'deploybindrun' action will bind-mount"
+	echo "	'./node_modules/' into the running supervisor as well. In this case, it's up to the developer"
+	echo "	to make sure that the correct dependencies are installed."
+	echo
+	echo "	Usage: [environment] $0 action [options]"
+	echo
+	echo "	Environment Variables:"
+	echo "		ARCH [=amd64]"
+	echo "		DEPLOY_REGISTRY [=registry.resindev.io/]"
+	echo "		PASSWORDLESS_DROPBEAR [=false]"
+	echo "	Actions:"
+	echo "		deploy				build supervisor image and deploy it to the registry"
+	echo "		run [options]			build dind supervisor host container, run it, then pull supervisor container and run it as well"
+	echo "		deployrun [options]		run 'deploy' and 'run'"
+	echo "		refresh				recompile sources in './src' with 'coffee -c' and restart supervisor container on dind host"
+	echo "		stop				stop dind supervisor host container"
+	echo "	Options:"
+	echo "		--mount-src			bind-mount './src/' from local development environment into supervisor container"
+	echo "		--mount-nm			bind-mount './node_modules/' from local development environment into supervisor container"
+	echo
+}
+
+function deploySupervisor {
+	make -C "$SUPERVISOR_BASE_DIR" deploy
+}
+
+function runDind {
+	for arg in "$@"
+	do
+		case $arg in
+			--mount-src)
+				coffee -c "$SUPERVISOR_BASE_DIR/src"
+				SUPERVISOR_EXTRA_MOUNTS="$SUPERVISOR_EXTRA_MOUNTS -v /resin-supervisor/src:/app/src"
+				shift
+				;;
+			--mount-nm)
+				SUPERVISOR_EXTRA_MOUNTS="$SUPERVISOR_EXTRA_MOUNTS -v /resin-supervisor/node_modules:/app/node_modules"
+				shift
+				;;
+			*)
+				;;
+		esac
+	done
+
+	make -C "$SUPERVISOR_BASE_DIR" \
+		PASSWORDLESS_DROPBEAR="$PASSWORDLESS_DROPBEAR" \
+		SUPERVISOR_EXTRA_MOUNTS="$SUPERVISOR_EXTRA_MOUNTS" \
+		SUPERVISOR_IMAGE="registry.resindev.io/resin/${ARCH}-supervisor:master" \
+		run-supervisor
+}
+
+case $1 in
+	deploy)
+		deploySupervisor
+		;;
+	run)
+		shift
+		runDind "$@"
+		;;
+	deployrun)
+		shift
+		deploySupervisor && runDind "$@"
+		;;
+	refresh)
+		echo " * Compiling CoffeeScript.." \
+		&& coffee -c "$SUPERVISOR_BASE_DIR/src" \
+		&& echo " * Restarting supervisor container.." \
+		&& docker exec -ti resin_supervisor_1 docker restart resin_supervisor
+		;;
+	stop)
+		make -C "$SUPERVISOR_BASE_DIR" stop-supervisor
+		;;
+	*)
+		showHelp
+esac
+
diff --git a/tools/dind/config/services/resin-supervisor-dind.service b/tools/dind/config/services/resin-supervisor-dind.service
index ce742fb17..98e3df579 100644
--- a/tools/dind/config/services/resin-supervisor-dind.service
+++ b/tools/dind/config/services/resin-supervisor-dind.service
@@ -24,6 +24,7 @@ ExecStart=/bin/bash -c 'source /usr/src/app/resin-vars && \
 	-v /var/log/supervisor-log:/var/log \
 	-v /:/mnt/root \
 	-v /etc/resolv.conf:/etc/resolv.conf:rw \
+	${SUPERVISOR_EXTRA_MOUNTS} \
 	-e "API_ENDPOINT=$API_ENDPOINT" \
 	-e "REGISTRY_ENDPOINT=$REGISTRY_ENDPOINT" \
 	-e "PUBNUB_SUBSCRIBE_KEY=$PUBNUB_SUBSCRIBE_KEY" \