skyquake/scripts/launch_ui.sh

   1 #!/bin/bash
   2
   3 #
   4 #   Copyright 2016 RIFT.IO Inc
   5 #
   6 #   Licensed under the Apache License, Version 2.0 (the "License");
   7 #   you may not use this file except in compliance with the License.
   8 #   You may obtain a copy of the License at
   9 #
  10 #       http://www.apache.org/licenses/LICENSE-2.0
  11 #
  12 #   Unless required by applicable law or agreed to in writing, software
  13 #   distributed under the License is distributed on an "AS IS" BASIS,
  14 #   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15 #   See the License for the specific language governing permissions and
  16 #   limitations under the License.
  17 #
  18
  19 usage() {
  20         echo "usage: launch_ui.sh [--enable-https --keyfile-path=<keyfile_path> --certfile-path=<certfile-path>]"
  21 }
  22
  23 function handle_received_signal() {
  24     forever stopall
  25     echo "Stopped Skyquake and API servers started with forever"
  26     exit
  27 }
  28
  29
  30 start_servers() {
  31         cd $THIS_DIR
  32         echo "Stopping any previous instances of Skyquake and API servers started with forever"
  33         forever stopall
  34
  35
  36         echo "Running Node.js Skyquake server. HTTPS Enabled: ${ENABLE_HTTPS}"
  37         cd ..
  38         if [ ! -z "${ENABLE_HTTPS}" ]; then
  39                 forever start -a -l /dev/null -o out.log -e err.log skyquake.js --enable-https --keyfile-path="${KEYFILE_PATH}" --certfile-path="${CERTFILE_PATH}"
  40         else
  41                 forever start -a -l /dev/null -o out.log -e err.log skyquake.js
  42         fi
  43 }
  44
  45 function extract_node_modules() {
  46     tar xf node_modules.tar
  47     touch timestamp.txt
  48 }
  49
  50 function handle_plugin_node_modules() {
  51     cd $THIS_DIR
  52     echo "Handling plugin node modules"
  53
  54     cd ../plugins
  55     for dir in */; do
  56         echo "Checking plugin "${dir}" for newer node_modules"
  57         cd ${dir}
  58         if [ ! -f timestamp.txt ]; then
  59             echo "timestamp file not found ... node_modules need to be expanded and timestamp needs to be touched"
  60             extract_node_modules
  61         else
  62             echo "Checking if node_modules.tar has a newer timestamp than timestamp.txt"
  63             if [[ node_modules.tar -nt timestamp.txt ]]; then
  64                 echo "node_modules.tar is newer than timestamp ... node modules need to be expanded and timestamp needs to be touched"
  65                 extract_node_modules
  66             else
  67                 echo "node_modules.tar is older than timestamp ... nothing needs to be done"
  68             fi
  69         fi
  70         cd ..
  71         echo "Checking plugin "${dir}" for newer node_modules ...done"
  72     done
  73 }
  74
  75
  76 # Begin work
  77 for i in "$@"
  78 do
  79 case $i in
  80     -k=*|--keyfile-path=*)
  81     KEYFILE_PATH="${i#*=}"
  82     shift # past argument=value
  83     ;;
  84     -c=*|--certfile-path=*)
  85     CERTFILE_PATH="${i#*=}"
  86     shift # past argument=value
  87     ;;
  88     -h|--help)
  89     usage
  90     exit
  91     ;;
  92     -e|--enable-https)
  93     ENABLE_HTTPS=YES
  94     shift # past argument=value
  95     ;;
  96     *)
  97         # unknown option
  98     ;;
  99 esac
 100 done
 101
 102 if [[ ! -z "${ENABLE_HTTPS}" ]]; then
 103         if [ -z "${KEYFILE_PATH}" ] || [ -z "${CERTFILE_PATH}" ]; then
 104                 usage
 105                 exit
 106         fi
 107 fi
 108
 109
 110 # change to the directory of this script
 111 THIS_DIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
 112
 113 # Call function to handle tarred node_modules as cpack+RPM cannot handle a lot of files
 114 handle_plugin_node_modules
 115
 116 # Call function to start web and API servers
 117 start_servers
 118
 119
 120 # Ensure that the forever script is stopped when this script exits
 121 trap "echo \"Received EXIT\"; handle_received_signal" EXIT
 122 trap "echo \"Received SIGINT\"; handle_received_signal" SIGINT
 123 trap "echo \"Received SIGKILL\"; handle_received_signal" SIGKILL
 124 trap "echo \"Received SIGABRT\"; handle_received_signal" SIGABRT
 125 trap "echo \"Received SIGQUIT\"; handle_received_signal" SIGQUIT
 126 trap "echo \"Received SIGSTOP\"; handle_received_signal" SIGSTOP
 127 trap "echo \"Received SIGTERM\"; handle_received_signal" SIGTERM
 128 trap "echo \"Received SIGTRAP\"; handle_received_signal" SIGTRAP
 129
 130 # Keep this script in the foreground so the system doesn't think that the
 131 # server crashed.
 132 while true; do
 133   sleep 5
 134 done