Merge pull request #3 from caruccio/plugin-installer

Automatic plugin install

Author: ncdc

bin/control

@@ -4,10 +4,39 @@ source $OPENSHIFT_CARTRIDGE_SDK_BASH
 
 PID_FILE=$OPENSHIFT_ELASTICSEARCH_DIR/run/elasticsearch.pid
 
+function _install_plugins()
+{
+  local PLUGIN_CMD="$OPENSHIFT_ELASTICSEARCH_DIR/usr/bin/plugin -Des.path.plugins=$OPENSHIFT_DATA_DIR/elasticsearch-plugins"
+
+  local old_plugins=$($PLUGIN_CMD --list | awk '/-/{print $2}' | xargs)
+  if [ -n "$old_plugins"  -a "$old_plugins" != "No" ]; then #ARGH!
+    echo "Removing old ElasticSearch plugins..."
+    for plugin in $old_plugins; do
+      $PLUGIN_CMD --remove $plugin
+    done
+  fi
+
+  echo "Installing ElasticSearch plugins..."
+
+  local plugins="$(grep -v '^#' $OPENSHIFT_REPO_DIR/plugins.txt 2>/dev/null | xargs)"
+
+  if [ "${plugins}" ]; then
+    for plugin in ${plugins}; do
+      local name=$(echo $plugin | cut -f 1 -d =)
+      local url=$(echo $plugin | cut -f 2 -d =)
+      if [ "$name" == "$url" ]; then
+        $PLUGIN_CMD --install $name
+      else
+        $PLUGIN_CMD --url $url --install $name
+      fi
+    done
+  fi
+}
+
 function _is_running() {
   if [ -f $PID_FILE ]; then
-    zpid=$(cat $PID_FILE 2> /dev/null)
-    myid=$(id -u)
+    local zpid=$(cat $PID_FILE 2> /dev/null)
+    local myid=$(id -u)
     if `ps -opid,args --pid $zpid 2>&1 &> /dev/null`; then
       return 0
     fi
@@ -34,14 +63,14 @@ function stop() {
   fi
 
   if [ -f $PID_FILE ]; then
-    zpid=$(cat $PID_FILE 2> /dev/null)
+    local zpid=$(cat $PID_FILE 2> /dev/null)
   fi
 
   if [ -n $zpid ]; then
     /bin/kill $zpid
-    ret=$?
+    local ret=$?
     if [ $ret -eq 0 ]; then
-      TIMEOUT=10
+      local TIMEOUT=10
       while [ $TIMEOUT -gt 0 ] &&  _is_running ; do
         /bin/kill -0 "$zpid" > /dev/null 2>&1  ||  break
         sleep 1
@@ -57,17 +86,23 @@ function restart() {
 }
 
 function status() {
+  local output=""
   if output=$(curl http://$OPENSHIFT_RUBY_IP:$OPENSHIFT_RUBY_PORT/ &> /dev/null); then
     client_result "Application is running"
   else
     client_result "Application is either stopped or inaccessible"
   fi
 }
 
+function deploy() {
+   _install_plugins
+}
+
 case "$1" in
   start)             start ;;
   stop)              stop ;;
   restart | reload ) restart $1 ;;
   status)            status ;;
+  deploy)            deploy ;;
   *)                 exit 0
 esac

bin/install

@@ -1,5 +1,5 @@
 #!/bin/bash -e
 
-mkdir -p $OPENSHIFT_ELASTICSEARCH_DIR/run $OPENSHIFT_DATA_DIR/elasticsearch
+mkdir -p $OPENSHIFT_ELASTICSEARCH_DIR/run $OPENSHIFT_DATA_DIR/{elasticsearch,elasticsearch-plugins}
 
 touch $OPENSHIFT_ELASTICSEARCH_DIR/env/OPENSHIFT_ELASTICSEARCH_CLUSTER

conf/elasticsearch.yml

@@ -162,7 +162,7 @@ path.logs: ${OPENSHIFT_ELASTICSEARCH_DIR}/logs
 
 # Path to where plugins are installed:
 #
-# path.plugins: /path/to/plugins
+path.plugins: ${OPENSHIFT_DATA_DIR}/elasticsearch-plugins
 
 
 #################################### Plugin ###################################

template/plugins.txt

@@ -0,0 +1,52 @@
+##
+## ElasticSearch plugins to install, one per line.
+## Edit this file, commit and push. All plugins will be
+## installed inside all gears.
+##
+## To use a specific URL to download plugin code from, use:
+##   [PLUGIN_NAME]=[URL]
+## Ex:
+##   myplugin=https://mysite.com/elasticsearch/my-awesome-plugin.zip
+##
+
+## Description:
+##   ElasticSearch-head is a web front end for browsing and
+##   interacting with an Elastic Search cluster.
+##
+## URL:
+##   http://mobz.github.io/elasticsearch-head
+
+## Uncomment line below to install this plugin
+#mobz/elasticsearch-head
+
+## Description:
+##   Paramedic is a simple yet sexy tool to monitor and inspect
+##   ElasticSearch clusters. It displays real-time statistics and
+##   information about your nodes and indices, as well as shard
+##   allocation within the cluster.
+##
+## URL:
+##   https://github.com/karmi/elasticsearch-paramedic
+
+## Uncomment line below to install this plugin
+#karmi/elasticsearch-paramedic
+
+## Description:
+##   Site plugin for Elasticsearch to help understand and debug queries.
+##
+## URL:
+##   https://github.com/polyfractal/elasticsearch-inquisitor
+
+## Uncomment line below to install this plugin
+#polyfractal/elasticsearch-inquisitor
+
+## Description:
+##   SegmentSpy is a tool to watch the segments in your indices.
+##   Segment graphs update in real-time, allowing you to watch as
+##   ElasticSearch (Lucene) merges your segments
+##
+## URL:
+##   https://github.com/polyfractal/elasticsearch-segmentspy
+
+## Uncomment line below to install this plugin
+#polyfractal/elasticsearch-segmentspy