Commit | Line | Data |
---|---|---|
ace450bd | 1 | #!/bin/bash |
7e738616 S |
2 | |
3 | command=$1 | |
4 | config=$2 | |
8dea575c | 5 | config_file=containers/"$config".yml |
7e738616 | 6 | cidfile=cids/"$config".cid |
1acce9e4 | 7 | cidbootstrap=cids/"$config"_boostrap.cid |
5efded6a | 8 | local_discourse=local_discourse |
d69fe0fb | 9 | image=samsaffron/discourse:0.1.2 |
52388b87 | 10 | docker_path=`which docker` |
7e738616 | 11 | |
80c11be3 SS |
12 | docker_ip=`/sbin/ifconfig | \ |
13 | grep -B1 "inet addr" | \ | |
14 | awk '{ if ( $1 == "inet" ) { print $2 } else if ( $2 == "Link" ) { printf "%s:" ,$1 } }' | \ | |
15 | grep docker0 | \ | |
16 | awk -F: '{ print $3 }';` | |
17 | ||
18 | ||
5f803fb4 | 19 | usage () { |
7e738616 S |
20 | echo "Usage: launcher COMMAND CONFIG" |
21 | echo "Commands:" | |
1acce9e4 SS |
22 | echo " start: Start/initialize a container" |
23 | echo " stop: Stop a running container" | |
24 | echo " restart: Restart a container" | |
25 | echo " destroy: Stop and remove a container" | |
5f803fb4 | 26 | echo " ssh: Start a bash shell in a running container" |
1acce9e4 | 27 | echo " logs: Docker logs for container" |
408a9c19 | 28 | echo " bootstrap: Bootstrap a container for the config based on a template" |
7e738616 S |
29 | exit 1 |
30 | } | |
31 | ||
a3e18d95 S |
32 | prereqs() { |
33 | ||
34 | # 1. running aufs | |
35 | test=`docker info 2> /dev/null | grep 'Driver: aufs'` | |
36 | if [[ "$test" =~ "aufs" ]] ; then : ; else | |
37 | echo "Your Docker installation is not using aufs" | |
38 | echo "Device mapper and other experimental drivers are unstable" | |
39 | echo | |
40 | echo "Please ensure your kernel is running linux extras and aufs" | |
41 | echo "Please follow the installation guide for Docker here: http://docs.docker.io/en/latest/installation/ubuntulinux/" | |
42 | exit 1 | |
43 | fi | |
44 | ||
45 | # 2. running docker 0.9+ | |
46 | test=`docker --version | grep 0.9` | |
47 | ||
48 | if [[ "$test" =~ "0.9" ]] ; then : ; else | |
49 | echo "Your Docker installation is old, please upgrade to 0.9.0 or up" | |
50 | exit 1 | |
51 | fi | |
52 | ||
53 | # 3. able to attach stderr / out / tty | |
54 | test=`docker run -i -t --rm -a stdin -a stdout -a stderr $image echo working` | |
55 | if [[ "$test" =~ "working" ]] ; then : ; else | |
56 | echo "Your Docker installation is not working correctly" | |
57 | echo | |
58 | echo "See: https://meta.discourse.org/t/docker-error-on-bootstrap/13657/18?u=sam" | |
59 | exit 1 | |
60 | fi | |
61 | } | |
62 | ||
63 | prereqs | |
64 | ||
52388b87 SS |
65 | install_docker() { |
66 | ||
67 | echo "Docker is not installed, make sure you are running on the 3.8 kernel" | |
68 | echo "The best supported Docker release is Ubuntu 12.04.03 for it run the following" | |
69 | echo | |
70 | echo "sudo apt-get update" | |
71 | echo "sudo apt-get install linux-image-generic-lts-raring linux-headers-generic-lts-raring" | |
72 | echo "sudo reboot" | |
73 | echo | |
74 | ||
75 | echo "sudo sh -c \"wget -qO- https://get.docker.io/gpg | apt-key add -\"" | |
76 | echo "sudo sh -c \"echo deb http://get.docker.io/ubuntu docker main > /etc/apt/sources.list.d/docker.list\"" | |
77 | echo "sudo apt-get update" | |
78 | echo "sudo apt-get install lxc-docker" | |
79 | ||
80 | exit 1 | |
81 | } | |
82 | ||
d90671f3 | 83 | set_volumes() { |
c4498636 | 84 | volumes=`cat $config_file | docker run --rm -i -a stdout -a stdin $image ruby -e \ |
d90671f3 SS |
85 | "require 'yaml'; puts YAML.load(STDIN.readlines.join)['volumes'].map{|v| '-v ' << v['volume']['host'] << ':' << v['volume']['guest'] << ' '}.join"` |
86 | } | |
87 | ||
7f77c274 SS |
88 | set_template_info() { |
89 | ||
c4498636 | 90 | templates=`cat $config_file | docker run --rm -i -a stdin -a stdout $image ruby -e \ |
7f77c274 SS |
91 | "require 'yaml'; puts YAML.load(STDIN.readlines.join)['templates']"` |
92 | ||
93 | ||
94 | arrTemplates=(${templates// / }) | |
95 | config_data=$(cat $config_file) | |
96 | ||
97 | input="hack: true" | |
98 | ||
99 | ||
100 | for template in "${arrTemplates[@]}" | |
101 | do | |
102 | [ ! -z $template ] && { | |
103 | input="$input _FILE_SEPERATOR_ $(cat $template)" | |
104 | } | |
105 | done | |
106 | ||
107 | # we always want our config file last so it takes priority | |
108 | input="$input _FILE_SEPERATOR_ $config_data" | |
109 | ||
110 | read -r -d '' env_ruby << 'RUBY' | |
111 | require 'yaml' | |
112 | ||
113 | input=STDIN.readlines.join | |
114 | env = {} | |
115 | input.split('_FILE_SEPERATOR_').each do |yml| | |
116 | yml.strip! | |
117 | begin | |
118 | env.merge!(YAML.load(yml)['env'] || {}) | |
119 | rescue => e | |
120 | puts yml | |
121 | p e | |
122 | end | |
123 | end | |
4b563ee8 | 124 | puts env.map{|k,v| "-e\n#{k}=#{v}" }.join("\n") |
7f77c274 SS |
125 | RUBY |
126 | ||
c4498636 | 127 | raw=`exec echo "$input" | docker run --rm -i -a stdin -a stdout $image ruby -e "$env_ruby"` |
4b563ee8 SS |
128 | |
129 | env=() | |
130 | while read i; do | |
131 | env[${#env[@]}]=$i | |
132 | done <<< "$raw" | |
133 | ||
134 | echo "Calculated ENV: ${env[@]}" | |
7f77c274 SS |
135 | } |
136 | ||
52388b87 SS |
137 | [ -z $docker_path ] && { |
138 | install_docker | |
139 | } | |
140 | ||
5f803fb4 SS |
141 | |
142 | [ $# -ne 2 ] && { | |
143 | usage | |
144 | } | |
145 | ||
7e738616 S |
146 | if [ ! -e $config_file ] |
147 | then | |
148 | echo "Config file was not found, ensure $config_file exists" | |
149 | exit 1 | |
150 | fi | |
151 | ||
5f803fb4 SS |
152 | case "$command" in |
153 | bootstrap) | |
38c09f5e MB |
154 | # Is the image available? |
155 | # If not, pull it here so the user is aware what's happening. | |
156 | docker history $image >/dev/null 2>&1 || docker pull $image | |
93149421 | 157 | |
7f77c274 | 158 | set_template_info |
93149421 | 159 | |
c4498636 | 160 | base_image=`cat $config_file | docker run --rm -i -a stdin -a stdout $image ruby -e \ |
b9c7b50e SS |
161 | "require 'yaml'; puts YAML.load(STDIN.readlines.join)['base_image']"` |
162 | ||
c4498636 | 163 | update_pups=`cat $config_file | docker run --rm -i -a stdin -a stdout $image ruby -e \ |
b9c7b50e SS |
164 | "require 'yaml'; puts YAML.load(STDIN.readlines.join)['update_pups']"` |
165 | ||
b9c7b50e SS |
166 | if [[ ! X"" = X"$base_image" ]]; then |
167 | image=$base_image | |
168 | fi | |
169 | ||
d90671f3 SS |
170 | set_volumes |
171 | ||
2162f1d4 SS |
172 | rm -f $cidbootstrap |
173 | ||
b9c7b50e SS |
174 | run_command="cd /pups &&" |
175 | if [[ ! "false" = $update_pups ]]; then | |
176 | run_command="$run_command git pull &&" | |
177 | fi | |
178 | run_command="$run_command /pups/bin/pups --stdin" | |
179 | ||
c4498636 S |
180 | echo $run_command |
181 | ||
182 | (exec echo "$input" | docker run "${env[@]}" -e DOCKER_HOST_IP=$docker_ip --cidfile $cidbootstrap -i -a stdin -a stdout -a stderr $volumes $image \ | |
b9c7b50e | 183 | /bin/bash -c "$run_command") \ |
2162f1d4 | 184 | || (docker rm `cat $cidbootstrap` && rm $cidbootstrap) |
9fb5f2d3 | 185 | |
2162f1d4 SS |
186 | [ ! -e $cidbootstrap ] && echo "FAILED TO BOOTSTRAP" && exit 1 |
187 | ||
188 | sleep 5 | |
9fb5f2d3 | 189 | |
5efded6a | 190 | docker commit `cat $cidbootstrap` $local_discourse/$config || echo 'FAILED TO COMMIT' |
4b3aebe1 | 191 | docker rm `cat $cidbootstrap` && rm $cidbootstrap |
2162f1d4 | 192 | |
2dd2e330 | 193 | echo "Successfully bootstrapped, to startup use ./launcher start $config" |
4b3aebe1 | 194 | exit 0 |
5f803fb4 | 195 | ;; |
1acce9e4 | 196 | |
5f803fb4 SS |
197 | ssh) |
198 | if [ ! -e $cidfile ] | |
199 | then | |
200 | echo "No cid found" | |
201 | exit 1 | |
202 | else | |
203 | cid="`cat $cidfile`" | |
204 | address="`docker port $cid 22`" | |
205 | split=(${address//:/ }) | |
38c09f5e | 206 | exec ssh -o StrictHostKeyChecking=no root@${split[0]} -p ${split[1]} |
5f803fb4 SS |
207 | fi |
208 | ;; | |
7e738616 | 209 | |
5f803fb4 SS |
210 | stop) |
211 | if [ ! -e $cidfile ] | |
212 | then | |
213 | echo "No cid found" | |
214 | exit 1 | |
215 | else | |
216 | docker stop -t 10 `cat $cidfile` | |
217 | exit 0 | |
218 | fi | |
219 | ;; | |
7e738616 | 220 | |
5f803fb4 | 221 | logs) |
7e738616 | 222 | |
5f803fb4 SS |
223 | if [ ! -e $cidfile ] |
224 | then | |
225 | echo "No cid found" | |
226 | exit 1 | |
227 | else | |
228 | docker logs `cat $cidfile` | |
229 | exit 0 | |
230 | fi | |
231 | ;; | |
7e738616 | 232 | |
5f803fb4 | 233 | start) |
7e738616 | 234 | |
5f803fb4 SS |
235 | if [ ! -e $cidfile ] |
236 | then | |
237 | echo "No cid found, creating a new container" | |
c4498636 | 238 | ports=`cat $config_file | docker run --rm -i -a stdout -a stdin $image ruby -e \ |
36941588 | 239 | "require 'yaml'; puts YAML.load(STDIN.readlines.join)['expose'].map{|p| '-p ' << p.to_s << ' '}.join"` |
d90671f3 | 240 | |
7f77c274 | 241 | set_template_info |
d90671f3 SS |
242 | set_volumes |
243 | ||
2aa2732e | 244 | existing=`docker ps -a | awk '{ print $1, $(NF) }' | grep "$config$" | awk '{ print $1 }'` |
90506274 SS |
245 | if [ ! -z $existing ] |
246 | then | |
247 | echo "Found an existing container by its name, recovering cidfile, please rerun" | |
248 | echo $existing > $cidfile | |
249 | exit 1 | |
250 | fi | |
251 | ||
a2d22fdf | 252 | docker run "${env[@]}" -h "`hostname`-$config" -e DOCKER_HOST_IP=$docker_ip --name $config -t --cidfile $cidfile $ports \ |
80c11be3 SS |
253 | -d $volumes $local_discourse/$config /usr/bin/runsvdir -P /etc/service |
254 | ||
5f803fb4 SS |
255 | exit 0 |
256 | else | |
90506274 SS |
257 | cid=`cat $cidfile` |
258 | ||
259 | if [ -z $cid ] | |
260 | then | |
261 | echo "Detected empty cid file, deleting, please re-run" | |
262 | rm $cidfile | |
263 | exit 1 | |
264 | fi | |
265 | ||
a2d22fdf | 266 | found=`docker ps -q -a --no-trunc | grep $cid` |
90506274 SS |
267 | if [ -z $found ] |
268 | then | |
269 | echo "Invalid cid file, deleting, please re-run" | |
270 | rm $cidfile | |
271 | exit 1 | |
272 | fi | |
273 | ||
5f803fb4 SS |
274 | echo "cid found, ensuring container is started" |
275 | docker start `cat $cidfile` | |
276 | exit 0 | |
277 | fi | |
278 | ;; | |
7e738616 | 279 | |
7e738616 | 280 | |
5f803fb4 SS |
281 | destroy) |
282 | if [ -e $cidfile ] | |
283 | then | |
284 | echo "destroying container $cidfile" | |
285 | docker stop -t 10 `cat $cidfile` | |
286 | docker rm `cat $cidfile` && rm $cidfile | |
287 | exit 0 | |
288 | else | |
289 | echo "nothing to destroy cidfile does not exist" | |
290 | exit 1 | |
291 | fi | |
292 | ;; | |
293 | esac | |
7e738616 | 294 | |
5f803fb4 | 295 | usage |