From ac6ce38bf813657f97f024c97df0a032465db0f4 Mon Sep 17 00:00:00 2001
From: Valentin Lab <valentin.lab@kalysto.org>
Date: Thu, 18 Sep 2014 08:33:51 +0200
Subject: [PATCH] new: [docker] new charm.

This charms creates a docker LXC. Within this LXC, you can use docker
commands.

Note that this charm require LXC require privileges from apparmor to
allow nested LXC. Last version of lxc-scripts is able to use the
``config`` file to add it the final LXC config file.
---
 precise/docker/config                 |  1 +
 precise/docker/hooks/install          | 23 +++++++++++++++++++++++
 precise/docker/hooks/start            |  3 +++
 precise/docker/hooks/stop             |  3 +++
 precise/docker/metadata.yaml          |  8 ++++++++
 precise/docker/revision               |  1 +
 precise/docker/src/etc/default/docker | 15 +++++++++++++++
 7 files changed, 54 insertions(+)
 create mode 100644 precise/docker/config
 create mode 100755 precise/docker/hooks/install
 create mode 100755 precise/docker/hooks/start
 create mode 100755 precise/docker/hooks/stop
 create mode 100644 precise/docker/metadata.yaml
 create mode 100644 precise/docker/revision
 create mode 100644 precise/docker/src/etc/default/docker

diff --git a/precise/docker/config b/precise/docker/config
new file mode 100644
index 0000000..de6f698
--- /dev/null
+++ b/precise/docker/config
@@ -0,0 +1 @@
+lxc.aa_profile = unconfined
diff --git a/precise/docker/hooks/install b/precise/docker/hooks/install
new file mode 100755
index 0000000..a031f51
--- /dev/null
+++ b/precise/docker/hooks/install
@@ -0,0 +1,23 @@
+#!/bin/bash
+
+set -eux # -x for verbose logging to juju debug-log
+
+
+##
+## Install lxc, because docker can only work with lxc
+## see: https://github.com/docker/docker/issues/6783 
+
+apt-get -y install lxc
+
+##
+## Install docker
+##
+
+curl https://get.docker.io | sh
+
+##
+## Init.d and defaults running options
+##
+
+cp src/etc/default/docker /etc/default/
+
diff --git a/precise/docker/hooks/start b/precise/docker/hooks/start
new file mode 100755
index 0000000..9eb7853
--- /dev/null
+++ b/precise/docker/hooks/start
@@ -0,0 +1,3 @@
+#!/bin/bash
+
+juju-log "Nothing to Start for base."
diff --git a/precise/docker/hooks/stop b/precise/docker/hooks/stop
new file mode 100755
index 0000000..170162b
--- /dev/null
+++ b/precise/docker/hooks/stop
@@ -0,0 +1,3 @@
+#!/bin/bash
+
+juju-log "Nothing to stop for base."
diff --git a/precise/docker/metadata.yaml b/precise/docker/metadata.yaml
new file mode 100644
index 0000000..b30bf82
--- /dev/null
+++ b/precise/docker/metadata.yaml
@@ -0,0 +1,8 @@
+name: docker
+summary: "Docker Host"
+maintainer: "Valentin Lab <valentin.lab@kalysto.org>"
+inherit: base-0k
+description: |
+    Docker Host
+data-resources:
+  - /var/lib/docker
diff --git a/precise/docker/revision b/precise/docker/revision
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/precise/docker/revision
@@ -0,0 +1 @@
+0
diff --git a/precise/docker/src/etc/default/docker b/precise/docker/src/etc/default/docker
new file mode 100644
index 0000000..9ef7ce6
--- /dev/null
+++ b/precise/docker/src/etc/default/docker
@@ -0,0 +1,15 @@
+# Docker Upstart and SysVinit configuration file
+
+# Customize location of Docker binary (especially for development testing).
+#DOCKER="/usr/local/bin/docker"
+
+# Use DOCKER_OPTS to modify the daemon startup options.
+#DOCKER_OPTS="--dns 8.8.8.8 --dns 8.8.4.4"
+DOCKER_OPTS="--exec-driver=lxc"
+
+# If you need Docker to use an HTTP proxy, it can also be specified here.
+#export http_proxy="http://127.0.0.1:3128/"
+
+# This is also a handy place to tweak where Docker's temporary files go.
+#export TMPDIR="/mnt/bigdrive/docker-tmp"
+