#!/bin/bash
+usage () {
+ echo "Usage: launcher COMMAND CONFIG [--skip-prereqs] [--docker-args STRING]"
+ echo "Commands:"
+ echo " start: Start/initialize a container"
+ echo " stop: Stop a running container"
+ echo " restart: Restart a container"
+ echo " destroy: Stop and remove a container"
+ echo " enter: Open a shell to run commands inside the container"
+ echo " logs: View the Docker logs for a container"
+ echo " bootstrap: Bootstrap a container for the config based on a template"
+ echo " rebuild: Rebuild a container (destroy old, bootstrap, start new)"
+ echo " cleanup: Remove all containers that have stopped for > 24 hours"
+ echo
+ echo "Options:"
+ echo " --skip-prereqs Don't check launcher prerequisites"
+ echo " --docker-args Extra arguments to pass when running docker"
+ echo " --skip-mac-address Don't assign a mac address"
+ exit 1
+}
+
command=$1
config=$2
-opt=$3
+user_args=""
+
+while [ ${#} -gt 0 ]; do
+ case "${1}" in
+ --debug)
+ DEBUG="1"
+ ;;
+ --skip-prereqs)
+ SKIP_PREREQS="1"
+ ;;
+ --skip-mac-address)
+ SKIP_MAC_ADDRESS="1"
+ ;;
+ --docker-args)
+ user_args="$2"
+ shift
+ ;;
+ esac
+
+ shift 1
+done
+
+# Docker doesn't like uppercase characters, spaces or special characters, catch it now before we build everything out and then find out
+re='[A-Z/ !@#$%^&*()+~`=]'
+if [[ $config =~ $re ]];
+ then
+ echo
+ echo "ERROR: Config name must not contain upper case characters, spaces or special characters. Correct config name and rerun $0."
+ echo
+ exit 1
+fi
cd "$(dirname "$0")"
-docker_min_version='1.2.0'
-docker_rec_version='1.2.0'
+docker_min_version='1.8.0'
+docker_rec_version='1.8.0'
+git_min_version='1.8.0'
+git_rec_version='1.8.0'
config_file=containers/"$config".yml
-cidfile=cids/"$config".cid
-cidbootstrap=cids/"$config"_boostrap.cid
+cidbootstrap=cids/"$config"_bootstrap.cid
local_discourse=local_discourse
-image=samsaffron/discourse:1.0.5
+image=discourse/base:2.0.20170531
docker_path=`which docker.io || which docker`
+git_path=`which git`
if [ "${SUPERVISED}" = "true" ]; then
restart_policy="--restart=no"
attach_on_run="-d"
fi
-if [ -x "$(which ip 2>/dev/null)" ]; then
+if [ -n "$DOCKER_HOST" ]; then
+ docker_ip=`sed -e 's/^tcp:\/\/\(.*\):.*$/\1/' <<< "$DOCKER_HOST"`
+elif [ -x "$(which ip 2>/dev/null)" ]; then
docker_ip=`ip addr show docker0 | \
grep 'inet ' | \
awk '{ split($2,a,"/"); print a[1] }';`
awk -F: '{ print $3 }';`
fi
-
-usage () {
- echo "Usage: launcher COMMAND CONFIG [--skip-prereqs]"
- echo "Commands:"
- echo " start: Start/initialize a container"
- echo " stop: Stop a running container"
- echo " restart: Restart a container"
- echo " destroy: Stop and remove a container"
- echo " enter: Use nsenter to enter a container"
- echo " ssh: Start a bash shell in a running container"
- echo " logs: Docker logs for container"
- echo " mailtest: Test the mail settings in a container"
- echo " bootstrap: Bootstrap a container for the config based on a template"
- echo " rebuild: Rebuild a container (destroy old, bootstrap, start new)"
- echo
- echo "Options:"
- echo " --skip-prereqs Don't check prerequisites"
- exit 1
-}
-
compare_version() {
declare -a ver_a
declare -a ver_b
return 1 # They are equal
}
-prereqs() {
- # 1. docker daemon running?
- test=`$docker_path info >/dev/null`
+install_docker() {
+ echo "Docker is not installed, you will need to install Docker in order to run Launcher"
+ echo "See https://docs.docker.com/installation/"
+ exit 1
+}
+
+check_prereqs() {
+
+ if [ -z $docker_path ]; then
+ install_docker
+ fi
+ # 1. docker daemon running?
+ # we send stderr to /dev/null cause we don't care about warnings,
+ # it usually complains about swap which does not matter
+ test=`$docker_path info 2> /dev/null`
if [[ $? -ne 0 ]] ; then
echo "Cannot connect to the docker daemon - verify it is running and you have access"
exit 1
fi
- # 2. running aufs or btrfs
- test=`$docker_path info 2> /dev/null | grep 'Driver: '`
- if [[ "$test" =~ [aufs|btrfs] ]] ; then : ; else
- echo "Your Docker installation is not using the recommended AuFS (union filesystem) and may be unstable."
- echo "If you are unable to bootstrap / stop your image please report the issue at:"
- echo "https://meta.discourse.org/t/discourse-docker-installation-without-aufs/15639"
+ # 2. running an approved storage driver?
+ if ! $docker_path info 2> /dev/null | egrep -q '^Storage Driver: (aufs|btrfs|zfs|overlay|overlay2)$'; then
+ echo "Your Docker installation is not using a supported storage driver. If we were to proceed you may have a broken install."
+ echo "aufs is the recommended storage driver, although zfs/btrfs/overlay and overlay2 may work as well."
+ echo "Other storage drivers are known to be problematic."
+ echo "You can tell what filesystem you are using by running \"docker info\" and looking at the 'Storage Driver' line."
+ echo
+ echo "If you wish to continue anyway using your existing unsupported storage driver,"
+ echo "read the source code of launcher and figure out how to bypass this check."
+ exit 1
fi
# 3. running recommended docker version
test=($($docker_path --version)) # Get docker version string
test=${test[2]//,/} # Get version alone and strip comma if exists
- [[ "$test" =~ "0.12.0" ]] && echo "You are running a broken version of Docker, please upgrade ASAP. See: https://meta.discourse.org/t/the-installation-stopped-in-the-middle/16311/ for more details." && exit 1
-
- # At least minimum version
+ # At least minimum docker version
if compare_version "${docker_min_version}" "${test}"; then
echo "ERROR: Docker version ${test} not supported, please upgrade to at least ${docker_min_version}, or recommended ${docker_rec_version}"
exit 1
fi
- # Recommend best version
+ # Recommend newer docker version
if compare_version "${docker_rec_version}" "${test}"; then
echo "WARNING: Docker version ${test} deprecated, recommend upgrade to ${docker_rec_version} or newer."
fi
- # 4. able to attach stderr / out / tty
- test=`$docker_path run -i --rm -a stdout -a stderr $image echo working`
- if [[ "$test" =~ "working" ]] ; then : ; else
- echo "Your Docker installation is not working correctly"
+ # 4. discourse docker image is downloaded
+ test=`$docker_path images | awk '{print $1 ":" $2 }' | grep "$image"`
+
+ if [ -z "$test" ]; then
+ echo
+ echo "WARNING: We are about to start downloading the Discourse base image"
+ echo "This process may take anywhere between a few minutes to an hour, depending on your network speed"
+ echo
+ echo "Please be patient"
echo
- echo "See: https://meta.discourse.org/t/docker-error-on-bootstrap/13657/18?u=sam"
- exit 1
fi
-}
-
-if [ "$opt" != "--skip-prereqs" ] ; then
- prereqs
-fi
-get_ssh_pub_key() {
- local ${ssh_key_locations}
- ssh_key_locations=(
- ~/.ssh/id_ed25519.pub
- ~/.ssh/id_ecdsa.pub
- ~/.ssh/id_rsa.pub
- ~/.ssh/id_dsa.pub
- ~core/.ssh/authorized_keys
- )
-
- local $keyfile
- for keyfile in "${ssh_key_locations[@]}"; do
- if [[ -e ${keyfile} ]] ; then
- ssh_pub_key="$(cat ${keyfile})"
- return 0
- fi
- done
+ # 5. running recommended git version
+ test=($($git_path --version)) # Get git version string
+ test=${test[2]//,/} # Get version alone and strip comma if exists
- if tty -s ; then
- echo "This user has no SSH key, but a SSH key is required to access the Discourse Docker container."
- read -p "Generate a SSH key? (Y/n) " -n 1 -r
- if [[ $REPLY =~ ^[Nn]$ ]] ; then
- echo
- echo WARNING: You may not be able to log in to your container.
- echo
- else
- echo
- echo Generating SSH key
- mkdir -p ~/.ssh && ssh-keygen -f ~/.ssh/id_rsa -t rsa -N ''
- echo
- ssh_pub_key="$(cat ~/.ssh/id_rsa.pub)"
- return 0
- fi
+ # At least minimum version
+ if compare_version "${git_min_version}" "${test}"; then
+ echo "ERROR: Git version ${test} not supported, please upgrade to at least ${git_min_version}, or recommended ${git_rec_version}"
+ exit 1
fi
- return 1
-}
-
+ # Recommend best version
+ if compare_version "${git_rec_version}" "${test}"; then
+ echo "WARNING: Git version ${test} deprecated, recommend upgrade to ${git_rec_version} or newer."
+ fi
-install_docker() {
+ # 6. able to attach stderr / out / tty
+ test=`$docker_path run $user_args -i --rm -a stdout -a stderr $image echo working`
+ if [[ "$test" =~ "working" ]] ; then : ; else
+ echo "Your Docker installation is not working correctly"
+ echo
+ echo "See: https://meta.discourse.org/t/docker-error-on-bootstrap/13657/18?u=sam"
+ exit 1
+ fi
- echo "Docker is not installed, make sure you are running on the 3.8 kernel"
- echo "The best supported Docker release is Ubuntu 12.04.03 for it run the following"
- echo
- echo "sudo apt-get update"
- echo "sudo apt-get install linux-image-generic-lts-raring linux-headers-generic-lts-raring"
- echo "sudo reboot"
- echo
+}
- echo "sudo sh -c \"wget -qO- https://get.docker.io/gpg | apt-key add -\""
- echo "sudo sh -c \"echo deb http://get.docker.io/ubuntu docker main > /etc/apt/sources.list.d/docker.list\""
- echo "sudo apt-get update"
- echo "sudo apt-get install lxc-docker"
- exit 1
-}
+if [ -z "$SKIP_PREREQS" ] ; then
+ check_prereqs
+fi
host_run() {
read -r -d '' env_ruby << 'RUBY'
end
RUBY
- host_run=`cat $config_file | $docker_path run --rm -i -a stdout -a stdin $image ruby -e "$env_ruby"`
+ host_run=`cat $config_file | $docker_path run $user_args --rm -i -a stdout -a stdin $image ruby -e "$env_ruby"`
while [ "$host_run" ] ; do
iter=${host_run%%--SEP--*}
set_volumes() {
- volumes=`cat $config_file | $docker_path run --rm -i -a stdout -a stdin $image ruby -e \
+ volumes=`cat $config_file | $docker_path run $user_args --rm -i -a stdout -a stdin $image ruby -e \
"require 'yaml'; puts YAML.load(STDIN.readlines.join)['volumes'].map{|v| '-v ' << v['volume']['host'] << ':' << v['volume']['guest'] << ' '}.join"`
}
set_links() {
- links=`cat $config_file | $docker_path run --rm -i -a stdout -a stdin $image ruby -e \
+ links=`cat $config_file | $docker_path run $user_args --rm -i -a stdout -a stdin $image ruby -e \
"require 'yaml'; puts YAML.load(STDIN.readlines.join)['links'].map{|l| '--link ' << l['link']['name'] << ':' << l['link']['alias'] << ' '}.join"`
}
-set_template_info() {
-
- templates=`cat $config_file | $docker_path run --rm -i -a stdin -a stdout $image ruby -e \
+find_templates() {
+ local templates=`cat $1 | $docker_path run $user_args --rm -i -a stdin -a stdout $image ruby -e \
"require 'yaml'; puts YAML.load(STDIN.readlines.join)['templates']"`
+ local arrTemplates=${templates// / }
+
+ if [ ! -z "$templates" ]; then
+ for template in "${arrTemplates[@]}"
+ do
+ local nested_templates=$(find_templates $template)
+
+ if [ ! -z "$nested_templates" ]; then
+ templates="$templates $nested_templates"
+ fi
+ done
+
+ echo $templates
+ else
+ echo ""
+ fi
+}
+
+set_template_info() {
+ templates=$(find_templates $config_file)
arrTemplates=(${templates// / })
config_data=$(cat $config_file)
input="hack: true"
-
for template in "${arrTemplates[@]}"
do
[ ! -z $template ] && {
puts env.map{|k,v| "-e\n#{k}=#{v}" }.join("\n")
RUBY
- raw=`exec echo "$input" | $docker_path run --rm -i -a stdin -a stdout $image ruby -e "$env_ruby"`
+ raw=`exec echo "$input" | $docker_path run $user_args --rm -i -a stdin -a stdout $image ruby -e "$env_ruby"`
env=()
ok=1
if [ "$ok" -ne 1 ]; then
echo "${env[@]}"
- echo "YAML syntax error. Please check your /var/docker/containers/*.yml config files."
+ echo "YAML syntax error. Please check your containers/*.yml config files."
+ exit 1
+ fi
+
+ read -r -d '' labels_ruby << 'RUBY'
+ require 'yaml'
+
+ input=STDIN.readlines.join
+ # default to UTF-8 for the dbs sake
+ labels = {}
+ input.split('_FILE_SEPERATOR_').each do |yml|
+ yml.strip!
+ begin
+ labels.merge!(YAML.load(yml)['labels'] || {})
+ rescue Psych::SyntaxError => e
+ puts e
+ puts "*ERROR."
+ rescue => e
+ puts yml
+ p e
+ end
+ end
+ puts labels.map{|k,v| "-l\n#{k}=#{v}" }.join("\n")
+RUBY
+
+ raw=`exec echo "$input" | $docker_path run $user_args --rm -i -a stdin -a stdout $image ruby -e "$labels_ruby"`
+
+ labels=()
+ ok=1
+ while read i; do
+ if [ "$i" == "*ERROR." ]; then
+ ok=0
+ elif [ -n "$i" ]; then
+ labels[${#labels[@]}]=$i
+ fi
+ done <<< "$raw"
+
+ if [ "$ok" -ne 1 ]; then
+ echo "${labels[@]}"
+ echo "YAML syntax error. Please check your containers/*.yml config files."
exit 1
fi
- echo "Calculated ENV: ${env[@]}"
}
-[ -z $docker_path ] && {
+if [ -z $docker_path ]; then
install_docker
-}
+fi
+[ "$command" == "cleanup" ] && {
+ echo
+ echo "The following command will"
+ echo "- Delete all docker images for old containers"
+ echo "- Delete all stopped and orphan containers"
+ echo
+ read -p "Are you sure (Y/n): " -n 1 -r && echo
+ if [[ $REPLY =~ ^[Yy]$ || ! $REPLY ]]
+ then
+ space=$(df /var/lib/docker | awk '{ print $4 }' | grep -v Available)
+ echo "Starting Cleanup (bytes free $space)"
-[ $# -lt 2 ] && {
- usage
+ STATE_DIR=./.gc-state scripts/docker-gc
+
+ space=$(df /var/lib/docker | awk '{ print $4 }' | grep -v Available)
+ echo "Finished Cleanup (bytes free $space)"
+
+ else
+ exit 1
+ fi
+ exit 0
}
-if [ ! -e $config_file ]
- then
+if [ -z "$command" -a -z "$config" ]; then
+ usage
+fi
+
+if [ ! "$command" == "setup" ]; then
+ if [[ ! -e $config_file ]]; then
echo "Config file was not found, ensure $config_file exists"
- echo ""
+ echo
echo "Available configs ( `cd containers && ls -dm *.yml | tr -s '\n' ' ' | awk '{ gsub(/\.yml/, ""); print }'`)"
exit 1
+ fi
fi
-
docker_version=($($docker_path --version))
docker_version=${test[2]//,/}
+restart_policy=${restart_policy:---restart=always}
-if compare_version "1.2.0" "$docker_version"; then
- echo "We recommend you upgrade docker, the version you are running has no restart policies, on reboot your container may not start up"
- restart_policy=""
-else
- restart_policy=${restart_policy:---restart=always}
-fi
+set_existing_container(){
+ existing=`$docker_path ps -a | awk '{ print $1, $(NF) }' | grep " $config$" | awk '{ print $1 }'`
+}
+run_stop() {
-run_mailtest(){
- if [ ! -e $config_file ]; then
- echo "Config does not exist: $config_file" >&2
- exit 1
- fi
- exec scripts/mailtest $config_file
-}
+ set_existing_container
-run_stop(){
- if [ ! -e $cidfile ]
+ if [ ! -z $existing ]
then
- echo "No cid found"
- exit 1
+ (
+ set -x
+ $docker_path stop -t 10 $config
+ )
else
- $docker_path stop -t 10 `cat $cidfile`
+ echo "$config was not started !"
+ exit 1
fi
}
-run_start(){
+set_run_image() {
+ run_image=`cat $config_file | $docker_path run $user_args --rm -i -a stdin -a stdout $image ruby -e \
+ "require 'yaml'; puts YAML.load(STDIN.readlines.join)['run_image']"`
- host_run
+ if [ -z "$run_image" ]; then
+ run_image="$local_discourse/$config"
+ fi
+}
+
+set_boot_command() {
+ boot_command=`cat $config_file | $docker_path run $user_args --rm -i -a stdin -a stdout $image ruby -e \
+ "require 'yaml'; puts YAML.load(STDIN.readlines.join)['boot_command']"`
+
+ if [ -z "$boot_command" ]; then
+
+ no_boot_command=`cat $config_file | $docker_path run $user_args --rm -i -a stdin -a stdout $image ruby -e \
+ "require 'yaml'; puts YAML.load(STDIN.readlines.join)['no_boot_command']"`
+
+ if [ -z "$no_boot_command" ]; then
+ boot_command="/sbin/boot"
+ fi
+ fi
+}
- if [ ! -e $cidfile ]
+run_start() {
+
+ existing=`$docker_path ps | awk '{ print $1, $(NF) }' | grep " $config$" | awk '{ print $1 }'`
+ echo $existing
+ if [ ! -z $existing ]
+ then
+ echo "Nothing to do, your container has already started!"
+ exit 0
+ fi
+
+ existing=`$docker_path ps -a | awk '{ print $1, $(NF) }' | grep " $config$" | awk '{ print $1 }'`
+ if [ ! -z $existing ]
+ then
+ echo "starting up existing container"
+ (
+ set -x
+ $docker_path start $config
+ )
+ exit 0
+ fi
+
+ host_run
+
+ ports=`cat $config_file | $docker_path run $user_args --rm -i -a stdout -a stdin $image ruby -e \
+ "require 'yaml'; puts YAML.load(STDIN.readlines.join)['expose'].map{|p| \"-p #{p}\"}.join(' ')"`
+
+ docker_args=`cat $config_file | $docker_path run $user_args --rm -i -a stdout -a stdin $image ruby -e \
+ "require 'yaml'; puts YAML.load(STDIN.readlines.join)['docker_args']"`
+
+ set_template_info
+ set_volumes
+ set_links
+ set_run_image
+ set_boot_command
+
+ # get hostname and settings from container configuration
+ for envar in "${env[@]}"
+ do
+ if [[ $envar == DOCKER_USE_HOSTNAME* ]] || [[ $envar == DISCOURSE_HOSTNAME* ]]
then
- echo "No cid found, creating a new container"
- ports=`cat $config_file | $docker_path run --rm -i -a stdout -a stdin $image ruby -e \
- "require 'yaml'; puts YAML.load(STDIN.readlines.join)['expose'].map{|p| '-p ' << p.to_s << ' '}.join"`
-
- set_template_info
- set_volumes
- set_links
-
- existing=`$docker_path ps -a | awk '{ print $1, $(NF) }' | grep "$config$" | awk '{ print $1 }'`
- if [ ! -z $existing ]
- then
- echo "Found an existing container by its name, recovering cidfile, please rerun"
- echo $existing > $cidfile
- exit 1
- fi
-
- $docker_path run $links $attach_on_run $restart_policy "${env[@]}" -h "`hostname`-$config" -e DOCKER_HOST_IP=$docker_ip --name $config -t --cidfile $cidfile $ports \
- $volumes $local_discourse/$config /sbin/boot
-
- exit 0
+ # use as environment variable
+ eval $envar
+ fi
+ done
+
+ (
+ hostname=`hostname -s`
+ # overwrite hostname
+ if [ "$DOCKER_USE_HOSTNAME" = "true" ]
+ then
+ hostname=$DISCOURSE_HOSTNAME
else
- cid=`cat $cidfile`
-
- if [ -z $cid ]
- then
- echo "Detected empty cid file, deleting, please re-run"
- rm $cidfile
- exit 1
- fi
-
- found=`$docker_path ps -q -a --no-trunc | grep $cid`
- if [ -z $found ]
- then
- echo "Invalid cid file, deleting, please re-run"
- rm $cidfile
- exit 1
- fi
-
- echo "cid found, ensuring container is started"
- $docker_path start $attach_on_start `cat $cidfile`
- exit 0
- fi
+ hostname=$hostname-$config
+ fi
+
+ # we got to normalize so we only have allowed strings, this is more comprehensive but lets see how bash does first
+ # hostname=`$docker_path run $user_args --rm $image ruby -e 'print ARGV[0].gsub(/[^a-zA-Z-]/, "-")' $hostname`
+ # docker added more hostname rules
+ hostname=${hostname//_/-}
+
+
+ if [ -z "$SKIP_MAC_ADDRESS" ] ; then
+ mac_address="--mac-address $($docker_path run $user_args -i --rm -a stdout -a stderr $image /bin/sh -c "echo $hostname | md5sum | sed 's/^\(..\)\(..\)\(..\)\(..\)\(..\).*$/02:\1:\2:\3:\4:\5/'")"
+ fi
+
+ set -x
+ $docker_path run $links $attach_on_run $restart_policy "${env[@]}" "${labels[@]}" -h "$hostname" \
+ -e DOCKER_HOST_IP="$docker_ip" --name $config -t $ports $volumes $mac_address $docker_args $user_args \
+ $run_image $boot_command
+
+ )
+ exit 0
}
-run_bootstrap(){
- host_run
+run_bootstrap() {
- get_ssh_pub_key
+ # I got no frigging clue what this does, ask Sam Saffron. It RUNS STUFF ON THE HOST I GUESS?
+ host_run
# Is the image available?
# If not, pull it here so the user is aware what's happening.
set_template_info
- base_image=`cat $config_file | $docker_path run --rm -i -a stdin -a stdout $image ruby -e \
+ base_image=`cat $config_file | $docker_path run $user_args --rm -i -a stdin -a stdout $image ruby -e \
"require 'yaml'; puts YAML.load(STDIN.readlines.join)['base_image']"`
- update_pups=`cat $config_file | $docker_path run --rm -i -a stdin -a stdout $image ruby -e \
+ update_pups=`cat $config_file | $docker_path run $user_args --rm -i -a stdin -a stdout $image ruby -e \
"require 'yaml'; puts YAML.load(STDIN.readlines.join)['update_pups']"`
if [[ ! X"" = X"$base_image" ]]; then
echo $run_command
- env=("${env[@]}" "-e" "SSH_PUB_KEY=$ssh_pub_key")
+ unset ERR
+ (exec echo "$input" | $docker_path run $user_args $links "${env[@]}" -e DOCKER_HOST_IP="$docker_ip" --cidfile $cidbootstrap -i -a stdin -a stdout -a stderr $volumes $image \
+ /bin/bash -c "$run_command") || ERR=$?
+
+ unset FAILED
+ # magic exit code that indicates a retry
+ if [[ "$ERR" == 77 ]]; then
+ $docker_path rm `cat $cidbootstrap`
+ rm $cidbootstrap
+ exit 77
+ elif [[ "$ERR" > 0 ]]; then
+ FAILED=TRUE
+ fi
- (exec echo "$input" | $docker_path run $links "${env[@]}" -e DOCKER_HOST_IP=$docker_ip --cidfile $cidbootstrap -i -a stdin -a stdout -a stderr $volumes $image \
- /bin/bash -c "$run_command") \
- || ($docker_path rm `cat $cidbootstrap` && rm $cidbootstrap)
+ if [[ $FAILED = "TRUE" ]]; then
+ if [[ ! -z "$DEBUG" ]]; then
+ $docker_path commit `cat $cidbootstrap` $local_discourse/$config-debug || echo 'FAILED TO COMMIT'
+ echo "** DEBUG ** Maintaining image for diagnostics $local_discourse/$config-debug"
+ fi
- [ ! -e $cidbootstrap ] && echo "FAILED TO BOOTSTRAP" && exit 1
+ $docker_path rm `cat $cidbootstrap`
+ rm $cidbootstrap
+ echo "** FAILED TO BOOTSTRAP ** please scroll up and look for earlier error messages, there may be more than one"
+ exit 1
+ fi
sleep 5
$docker_path rm `cat $cidbootstrap` && rm $cidbootstrap
}
+
+
case "$command" in
bootstrap)
run_bootstrap
exit 0
;;
- mailtest)
- run_mailtest
- exit 0
- ;;
-
enter)
-
- if [ ! -e $cidfile ]
- then
- echo "No cid found"
- exit 1
- fi
-
- if [ ! $UID -eq 0 ] ;
- then
- echo "enter command must run as root, will attempt to sudo"
- echo
- fi
-
- if [ ! -e bin/nsenter ]
- then
- echo "Downloading nsenter"
- $docker_path pull samsaffron/nsenter
- ($docker_path run --rm samsaffron/nsenter cat /nsenter > bin/nsenter1) || exit 1
- cp bin/nsenter1 bin/nsenter
- chmod +x bin/nsenter
- fi
-
- PID=$($docker_path inspect --format {{.State.Pid}} `cat $cidfile`)
- SHELL=/bin/bash sudo -E bin/nsenter --target $PID --mount --uts --ipc --net --pid
-
- exit 0;
- ;;
-
- ssh)
- if [ ! -e $cidfile ]
- then
- echo "No cid found"
- exit 1
- else
- cid="`cat $cidfile`"
- address="`$docker_path port $cid 22`"
- split=(${address//:/ })
- exec ssh -o StrictHostKeyChecking=no root@${split[0]} -p ${split[1]}
- fi
+ exec $docker_path exec -it $config /bin/bash --login
;;
stop)
logs)
- if [ ! -e $cidfile ]
- then
- echo "No cid found"
- exit 1
- else
- $docker_path logs `cat $cidfile`
- exit 0
- fi
+ $docker_path logs $config
+ exit 0
;;
restart)
rebuild)
if [ "$(git symbolic-ref --short HEAD)" == "master" ]; then
- echo "Updating discourse docker"
- git pull || (echo 'failed to update' && exit 1)
+ echo "Ensuring launcher is up to date"
+
+ git remote update
+
+ LOCAL=$(git rev-parse @)
+ REMOTE=$(git rev-parse @{u})
+ BASE=$(git merge-base @ @{u})
+
+ if [ $LOCAL = $REMOTE ]; then
+ echo "Launcher is up-to-date"
+
+ elif [ $LOCAL = $BASE ]; then
+ echo "Updating Launcher"
+ git pull || (echo 'failed to update' && exit 1)
+
+ for (( i=${#BASH_ARGV[@]}-1,j=0; i>=0,j<${#BASH_ARGV[@]}; i--,j++ ))
+ do
+ args[$j]=${BASH_ARGV[$i]}
+ done
+ exec /bin/bash $0 "${args[@]}" # $@ is empty, because of shift at the beginning. Use BASH_ARGV instead.
+
+ elif [ $REMOTE = $BASE ]; then
+ echo "Your version of Launcher is ahead of origin"
+
+ else
+ echo "Launcher has diverged source, this is only expected in Dev mode"
+ fi
+
fi
- if [ -e $cidfile ]
+
+ set_existing_container
+
+ if [ ! -z $existing ]
then
echo "Stopping old container"
- $docker_path stop -t 10 `cat $cidfile`
+ (
+ set -x
+ $docker_path stop -t 10 $config
+ )
fi
run_bootstrap
- if [ -e $cidfile ]
+ if [ ! -z $existing ]
then
- $docker_path rm `cat $cidfile` && rm $cidfile
+ echo "Removing old container"
+ (
+ set -x
+ $docker_path rm $config
+ )
fi
run_start
destroy)
- if [ -e $cidfile ]
- then
- echo "destroying container $cidfile"
- $docker_path stop -t 10 `cat $cidfile`
- $docker_path rm `cat $cidfile` && rm $cidfile
- exit 0
- else
- echo "nothing to destroy cidfile does not exist"
- exit 1
- fi
+ (set -x; $docker_path stop -t 10 $config && $docker_path rm $config) || (echo "$config was not found" && exit 0)
+ exit 0
;;
esac