Switch launcher to use PG 10.

[discourse_docker.git] / launcher

diff --git a/launcher b/launcher
index 466640e50083024b143a8df4baa74476daeb8237..e7ff177aa507f1ab163552d42f07a476d1c6d04b 100755 (executable)
--- a/launcher
+++ b/launcher
@@ -56,15 +56,15 @@ fi
 
 cd "$(dirname "$0")"
 
-docker_min_version='1.8.0'
-docker_rec_version='1.8.0'
+docker_min_version='17.03.1'
+docker_rec_version='17.06.2'
 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
-image=discourse/discourse:1.3.10
+image=discourse/base:2.0.20180404
 docker_path=`which docker.io || which docker`
 git_path=`which git`
 
@@ -90,25 +90,27 @@ else
                   awk -F: '{ print $3 }';`
 fi
 
+# From https://stackoverflow.com/a/44660519/702738
 compare_version() {
-    declare -a ver_a
-    declare -a ver_b
-    IFS=. read -a ver_a <<< "$1"
-    IFS=. read -a ver_b <<< "$2"
-
-    while [[ -n $ver_a ]]; do
-        if (( ver_a > ver_b )); then
-            return 0
-        elif (( ver_b > ver_a )); then
+    if [[ $1 == $2 ]]; then
+        return 1
+    fi
+    local IFS=.
+    local i a=(${1%%[^0-9.]*}) b=(${2%%[^0-9.]*})
+    local arem=${1#${1%%[^0-9.]*}} brem=${2#${2%%[^0-9.]*}}
+    for ((i=0; i<${#a[@]} || i<${#b[@]}; i++)); do
+        if ((10#${a[i]:-0} < 10#${b[i]:-0})); then
             return 1
-        else
-            unset ver_a[0]
-            ver_a=("${ver_a[@]}")
-            unset ver_b[0]
-            ver_b=("${ver_b[@]}")
+        elif ((10#${a[i]:-0} > 10#${b[i]:-0})); then
+            return 0
         fi
     done
-    return 1  # They are equal
+    if [ "$arem" '<' "$brem" ]; then
+        return 1
+    elif [ "$arem" '>' "$brem" ]; then
+        return 0
+    fi
+    return 1
 }
 
 
@@ -134,9 +136,9 @@ check_prereqs() {
   fi
 
   # 2. running an approved storage driver?
-  if ! $docker_path info 2> /dev/null | egrep -q '^Storage Driver: (aufs|btrfs|zfs|overlay)$'; then
+  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 and overlay may work as well."
+    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
@@ -196,10 +198,27 @@ 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
 
@@ -352,7 +371,7 @@ RUBY
       if [ "$i" == "*ERROR." ]; then
         ok=0
       elif [ -n "$i" ]; then
-        labels[${#labels[@]}]=$i
+        labels[${#labels[@]}]=$(echo $i | sed s/{{config}}/${config}/g)
       fi
     done <<< "$raw"
 
@@ -644,7 +663,7 @@ 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]}