Merge pull request #370 from davidtaylorhq/node-8

[discourse_docker.git] / launcher

diff --git a/launcher b/launcher
index 8779a7794b23598b6662ae716fe7904a78f8282e..0a90baa27d643a7e5715f06288b54a1aff020daf 100755 (executable)
--- a/launcher
+++ b/launcher
@@ -64,7 +64,7 @@ git_rec_version='1.8.0'
 config_file=containers/"$config".yml
 cidbootstrap=cids/"$config"_bootstrap.cid
 local_discourse=local_discourse
-image=discourse/discourse:1.3.7
+image=discourse/base:2.0.20170728
 docker_path=`which docker.io || which docker`
 git_path=`which git`
 
@@ -133,15 +133,15 @@ check_prereqs() {
     exit 1
   fi
 
-  # 2. running aufs or btrfs
-  test=`$docker_path info 2> /dev/null | grep 'Driver: '`
-  if [[ "$test" =~ [aufs|btrfs|zfs|overlay] ]] ; then : ; else
-    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"
+  # 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 filesystem, "
-    echo "read the source code of launcher and figure out how to bypass this."
+    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
 
@@ -196,10 +196,27 @@ check_prereqs() {
     exit 1
   fi
 
+  # 7. enough space for the bootstrap on docker folder
+  folder=`$docker_path info --format '{{.DockerRootDir}}'`
+  safe_folder=${folder:-/var/lib/docker}
+  test=$(($(stat -f --format="%a*%S" $safe_folder)/1024**3 < 5))
+  if [[ $test -ne 0 ]] ; then
+    echo "You have less than 5GB of free space on the disk where $safe_folder is located. You will need more space to continue"
+    df -h $safe_folder
+    echo
+    read -p "Would you like to attempt to recover space by cleaning docker images and containers in the system?(y/N)" -n 1 -r
+    echo
+    if [[ $REPLY =~ ^[Yy]$ ]]
+    then
+      docker system prune
+      echo "If the cleanup was successful, you may try again now"
+    fi
+    exit 1
+  fi
 }
 
 
-if [ -z "$SKIP_PREREQS" ] ; then
+if [ -z "$SKIP_PREREQS" ] && [ "$command" != "cleanup" ]; then
   check_prereqs
 fi
 
@@ -517,8 +534,8 @@ run_start() {
      fi
 
      set -x
-     $docker_path run $user_args $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 \
+     $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
 
    )
@@ -562,7 +579,7 @@ run_bootstrap() {
   echo $run_command
 
   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 $image \
+  (exec echo "$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
@@ -644,7 +661,7 @@ case "$command" in
         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]}