bump version

[discourse_docker.git] / launcher

diff --git a/launcher b/launcher
index 72ea66c08a392576f6ca423bd3d643859a9f7d37..27b6a8d6e1e6ece0863a74f4a89b75375b4ee180 100755 (executable)
--- a/launcher
+++ b/launcher
@@ -1,8 +1,44 @@
 #!/bin/bash
 
 #!/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:      Use nsenter to get a shell into a 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"
+  exit 1
+}
+

 command=$1
 config=$2
 command=$1
 config=$2

-opt=$3
+user_args=""
+
+while [ ${#} -gt 0 ]; do
+  case "${1}" in
+  --debug)
+    DEBUG="1"
+    ;;
+  --skip-prereqs)
+    SKIP_PREREQS="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/ !@#$%^&*()+~`=]'
 
 # 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/ !@#$%^&*()+~`=]'


@@ -16,15 +52,17 @@ fi
 
 cd "$(dirname "$0")"
 
 
 cd "$(dirname "$0")"
 

-docker_min_version='1.6.0'
-docker_rec_version='1.6.0'
+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/"$config".yml
 cidbootstrap=cids/"$config"_bootstrap.cid
 local_discourse=local_discourse
 
 config_file=containers/"$config".yml
 cidbootstrap=cids/"$config"_bootstrap.cid
 local_discourse=local_discourse

-image=discourse/discourse:1.0.16
+image=discourse/discourse:1.3.2

 docker_path=`which docker.io || which docker`
 docker_path=`which docker.io || which docker`

-
+git_path=`which git`

 
 if [ "${SUPERVISED}" = "true" ]; then
   restart_policy="--restart=no"
 
 if [ "${SUPERVISED}" = "true" ]; then
   restart_policy="--restart=no"


@@ -48,27 +86,6 @@ else
                   awk -F: '{ print $3 }';`
 fi
 
                   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 "    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 prerequisites or resource requirements"
-  echo "    --docker-args    Extra arguments to pass when running docker"
-  exit 1
-}
-

 compare_version() {
     declare -a ver_a
     declare -a ver_b
 compare_version() {
     declare -a ver_a
     declare -a ver_b


@@ -90,13 +107,23 @@ compare_version() {
     return 1  # They are equal
 }
 
     return 1  # They are equal
 }
 

-prereqs() {
+
+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`
 
   # 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
   if [[ $? -ne 0 ]] ; then
     echo "Cannot connect to the docker daemon - verify it is running and you have access"
     exit 1


@@ -108,8 +135,8 @@ prereqs() {
     echo "Your Docker installation is not using a supported filesystem if we were to proceed you may have a broken install."
     echo "aufs is the recommended filesystem you should be using (zfs/btrfs and overlay may work as well)"
     echo "You can tell what filesystem you are using by running \"docker info\" and looking at the driver"
     echo "Your Docker installation is not using a supported filesystem if we were to proceed you may have a broken install."
     echo "aufs is the recommended filesystem you should be using (zfs/btrfs and overlay may work as well)"
     echo "You can tell what filesystem you are using by running \"docker info\" and looking at the driver"

-    echo ""
-    echo "If you wish to continue anyway using your existing unsupported filesystem"
+    echo
+    echo "If you wish to continue anyway using your existing unsupported filesystem, "

     echo "read the source code of launcher and figure out how to bypass this."
     exit 1
   fi
     echo "read the source code of launcher and figure out how to bypass this."
     exit 1
   fi


@@ -118,15 +145,13 @@ prereqs() {
   test=($($docker_path --version))  # Get docker version string
   test=${test[2]//,/}  # Get version alone and strip comma if exists
 
   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
 
   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 ${docker_rec_version} or newer."
   fi
   if compare_version "${docker_rec_version}" "${test}"; then
     echo "WARNING: Docker version ${test} deprecated, recommend upgrade to ${docker_rec_version} or newer."
   fi


@@ -141,113 +166,39 @@ prereqs() {
     echo
     echo "Please be patient"
     echo
     echo
     echo "Please be patient"
     echo

-

   fi
 
   fi
 

-  # 5. 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"
+  # 5. running recommended git version
+  test=($($git_path --version))  # Get git version string
+  test=${test[2]//,/}  # Get version alone and strip comma if exists
+
+  # At least minimum version
+  if compare_version "${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
 
     exit 1
   fi
 

-}
-
-check_resources() {
-  # Memory
-  resources="ok"
-  avail_mem="$(LANG=C free -m | grep '^Mem:' | awk '{print $2}')"
-  if [ "$avail_mem" -lt 900 ]; then
-    resources="insufficient"
-    echo "WARNING: You do not appear to have sufficient memory to run Discourse."
-    echo
-    echo "Your system may not work properly, or future upgrades of Discourse may"
-    echo "not complete successfully."
-    echo
-    echo "See https://github.com/discourse/discourse/blob/master/docs/INSTALL-cloud.md#create-new-cloud-server"
-  elif [ "$avail_mem" -lt 1800 ]; then
-    total_swap="$(LANG=C free -m | grep ^Swap: | awk '{print $2}')"
-    if [ "$total_swap" -lt 1000 ]; then
-      resources="insufficient"
-      echo "WARNING: You must have at least 1GB of swap when running with less"
-      echo "than 2GB of RAM."
-      echo
-      echo "Your system may not work properly, or future upgrades of Discourse may"
-      echo "not complete successfully."
-      echo
-      echo "See https://github.com/discourse/discourse/blob/master/docs/INSTALL-cloud.md#set-up-swap-if-needed"
-    fi
+  # 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
 
   fi
 

-  # Disk space
-  free_disk="$(df /var | tail -n 1 | awk '{print $4}')"
-  if [ "$free_disk" -lt 5000 ]; then
-    resources="insufficient"
-    echo "WARNING: You must have at least 5GB of *free* disk space to run Discourse."
-    echo
-    echo "Insufficient disk space may result in problems running your site, and may"
-    echo "not even allow Discourse installation to complete successfully."
+  # 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

-    echo "Please free up some space, or expand your disk, before continuing."
+    echo "See: https://meta.discourse.org/t/docker-error-on-bootstrap/13657/18?u=sam"

     exit 1
   fi
 
     exit 1
   fi
 

-  if [ -t 0 ] && [ "$resources" != "ok" ]; then
-    echo
-    read -p "Press ENTER to continue, or Ctrl-C to exit and give your system more resources"
-  fi

 }
 
 }
 

-if [ "$opt" != "--skip-prereqs" ] ; then
-  prereqs
-fi

 
 

-if [ "$opt" == "--docker-args" ] ; then
-  user_args=$4
-else
-  user_args=""
+if [ -z "$SKIP_PREREQS" ] ; then
+  check_prereqs

 fi
 
 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 ${keyfile})"
-      return 0
-    fi
-  done
-
-  return 0
-}
-
-
-install_docker() {
-
-  echo "Docker is not installed, you will need to install Docker in order to run Discourse"
-  echo "Please visit https://docs.docker.com/installation/ for instructions on how to do this for your system"
-  echo
-  echo "If you are running Ubuntu Trusty or later, you can try the following:"
-  echo
-
-  echo "sudo apt-key adv --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys 58118E89F3A912897C070ADBF76221572C52609D"
-  echo "sudo sh -c \"echo deb https://apt.dockerproject.org/repo ubuntu-$(lsb_release -sc) main > /etc/apt/sources.list.d/docker.list\""
-  echo "sudo apt-get update"
-  echo "sudo apt-get install docker-engine"
-
-  exit 1
-}
-

 host_run() {
   read -r -d '' env_ruby << 'RUBY'
   require 'yaml'
 host_run() {
   read -r -d '' env_ruby << 'RUBY'
   require 'yaml'


@@ -294,13 +245,11 @@ set_template_info() {
     templates=`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)['templates']"`
 
     templates=`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)['templates']"`
 

-

     arrTemplates=(${templates// / })
     config_data=$(cat $config_file)
 
     input="hack: true"
 
     arrTemplates=(${templates// / })
     config_data=$(cat $config_file)
 
     input="hack: true"
 

-

     for template in "${arrTemplates[@]}"
     do
       [ ! -z $template ] && {
     for template in "${arrTemplates[@]}"
     do
       [ ! -z $template ] && {


@@ -329,8 +278,6 @@ set_template_info() {
         p e
        end
     end
         p e
        end
     end

-    # strip out blank env
-    env.delete_if{|k,v| v && v.empty?}

     puts env.map{|k,v| "-e\n#{k}=#{v}" }.join("\n")
 RUBY
 
     puts env.map{|k,v| "-e\n#{k}=#{v}" }.join("\n")
 RUBY
 


@@ -348,14 +295,14 @@ RUBY
 
     if [ "$ok" -ne 1 ]; then
       echo "${env[@]}"
 
     if [ "$ok" -ne 1 ]; then
       echo "${env[@]}"

-      echo "YAML syntax error. Please check your /var/discourse/containers/*.yml config files."
+      echo "YAML syntax error. Please check your containers/*.yml config files."

       exit 1
     fi
 }
 
       exit 1
     fi
 }
 

-[ -z $docker_path ] && {
+if [ -z $docker_path ]; then

   install_docker
   install_docker

-}
+fi

 
 [ "$command" == "cleanup" ] && {
   echo
 
 [ "$command" == "cleanup" ] && {
   echo


@@ -380,34 +327,28 @@ RUBY
   exit 0
 }
 
   exit 0
 }
 

-[ $# -lt 2 ] && {
+if [ -z "$command" -a -z "$config" ]; then

   usage
   usage

-}
+fi

 
 

-if [ ! -e $config_file ]
-  then
+if [ ! "$command" == "setup" ]; then
+  if [[ ! -e $config_file ]]; then

     echo "Config file was not found, ensure $config_file exists"
     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
     echo "Available configs ( `cd containers && ls -dm *.yml | tr -s '\n' ' ' | awk '{ gsub(/\.yml/, ""); print }'`)"
     exit 1

+  fi

 fi
 
 fi
 

-

 docker_version=($($docker_path --version))
 docker_version=${test[2]//,/}
 docker_version=($($docker_path --version))
 docker_version=${test[2]//,/}

-
-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
+restart_policy=${restart_policy:---restart=always}

 
 set_existing_container(){
   existing=`$docker_path ps -a | awk '{ print $1, $(NF) }' | grep " $config$" | awk '{ print $1 }'`
 }
 
 
 set_existing_container(){
   existing=`$docker_path ps -a | awk '{ print $1, $(NF) }' | grep " $config$" | awk '{ print $1 }'`
 }
 

-run_stop(){
+run_stop() {

 
   set_existing_container
 
 
   set_existing_container
 


@@ -447,14 +388,14 @@ set_boot_command() {
   fi
 }
 
   fi
 }
 

-run_start(){
+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!"
 
    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 1
+     exit 0

    fi
 
    existing=`$docker_path ps -a | awk '{ print $1, $(NF) }' | grep " $config$" | awk '{ print $1 }'`
    fi
 
    existing=`$docker_path ps -a | awk '{ print $1, $(NF) }' | grep " $config$" | awk '{ print $1 }'`


@@ -469,8 +410,9 @@ run_start(){
    fi
 
    host_run
    fi
 
    host_run

+

    ports=`cat $config_file | $docker_path run $user_args --rm -i -a stdout -a stdin $image ruby -e \
    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.to_s << ' '}.join"`
+         "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']"`
 
    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']"`


@@ -481,27 +423,49 @@ run_start(){
    set_run_image
    set_boot_command
 
    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
+       # use as environment variable
+       eval $envar
+     fi
+   done
+

    (
    (

-     hostname=`hostname`
+     hostname=`hostname -s`
+     # overwrite hostname
+     if [ "$DOCKER_USE_HOSTNAME" = "true" ]
+     then
+       hostname=$DISCOURSE_HOSTNAME
+     else
+       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//_/-}
+
+     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/'")"
+

      set -x
      set -x

-     $docker_path run $user_args $links $attach_on_run $restart_policy "${env[@]}" -h "$hostname-$config" \
-        -e DOCKER_HOST_IP=$docker_ip --name $config -t $ports $volumes $docker_args $run_image $boot_command
+     $docker_path run $user_args $links $attach_on_run $restart_policy "${env[@]}" -h "$hostname" \
+        -e DOCKER_HOST_IP=$docker_ip --name $config -t $ports $volumes $mac_address $docker_args \
+        $run_image $boot_command

 
    )
    exit 0
 
 }
 
 
    )
    exit 0
 
 }
 

-run_bootstrap(){

 
 

-  if [ "$opt" != "--skip-prereqs" ] ; then
-    check_resources
-  fi
+run_bootstrap() {

 
 

+  # I got no frigging clue what this does, ask Sam Saffron. It RUNS STUFF ON THE HOST I GUESS?

   host_run
 
   host_run
 

-  get_ssh_pub_key
-

   # Is the image available?
   # If not, pull it here so the user is aware what's happening.
   $docker_path history $image >/dev/null 2>&1 || $docker_path pull $image
   # Is the image available?
   # If not, pull it here so the user is aware what's happening.
   $docker_path history $image >/dev/null 2>&1 || $docker_path pull $image


@@ -531,13 +495,21 @@ run_bootstrap(){
 
   echo $run_command
 
 
   echo $run_command
 

-  env=("${env[@]}" "-e" "SSH_PUB_KEY=$ssh_pub_key")
-
+  unset FAILED

   (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 $image \
   (exec echo "$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 "$run_command") \
-     || ($docker_path rm `cat $cidbootstrap` && rm $cidbootstrap)
+     /bin/bash -c "$run_command") || FAILED="TRUE"

 
 

-  [ ! -e $cidbootstrap ] && echo "** FAILED TO BOOTSTRAP ** please scroll up and look for earlier error messages, there may be more than one" && exit 1
+  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
+
+    $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
 
 
   sleep 5
 


@@ -555,20 +527,7 @@ case "$command" in
       ;;
 
   enter)
       ;;
 
   enter)

-      exec $docker_path exec -it $config /bin/bash
-      ;;
-
-  ssh)
-       existing=`$docker_path ps | awk '{ print $1, $(NF) }' | grep " $config$" | awk '{ print $1 }'`
-
-       if [[ ! -z $existing ]]; then
-         address="`$docker_path port $config 22`"
-         split=(${address//:/ })
-         exec ssh -o StrictHostKeyChecking=no root@${split[0]} -p ${split[1]}
-       else
-         echo "$config is not running!"
-         exit 1
-       fi
+      exec $docker_path exec -it $config /bin/bash --login

       ;;
 
   stop)
       ;;
 
   stop)


@@ -595,7 +554,7 @@ case "$command" in
 
   rebuild)
       if [ "$(git symbolic-ref --short HEAD)" == "master" ]; then
 
   rebuild)
       if [ "$(git symbolic-ref --short HEAD)" == "master" ]; then

-        echo "Ensuring discourse docker is up to date"
+        echo "Ensuring launcher is up to date"

 
         git remote update
 
 
         git remote update
 


@@ -604,18 +563,18 @@ case "$command" in
         BASE=$(git merge-base @ @{u})
 
         if [ $LOCAL = $REMOTE ]; then
         BASE=$(git merge-base @ @{u})
 
         if [ $LOCAL = $REMOTE ]; then

-          echo "Discourse Docker is up-to-date"
+          echo "Launcher is up-to-date"

 
         elif [ $LOCAL = $BASE ]; then
 
         elif [ $LOCAL = $BASE ]; then

-          echo "Updating Discourse Docker"
+          echo "Updating Launcher"

           git pull || (echo 'failed to update' && exit 1)
           exec /bin/bash $0 $@
 
         elif [ $REMOTE = $BASE ]; then
           git pull || (echo 'failed to update' && exit 1)
           exec /bin/bash $0 $@
 
         elif [ $REMOTE = $BASE ]; then

-          echo "Your version of Discourse Docker is ahead of origin"
+          echo "Your version of Launcher is ahead of origin"

 
         else
 
         else

-          echo "Discourse Docker has diverged source, this is only expected in Dev mode"
+          echo "Launcher has diverged source, this is only expected in Dev mode"

         fi
 
       fi
         fi
 
       fi