azure/aria/aria-extension-cloudify/examples/aws-hello-world/scripts/start.sh

   1 #!/bin/bash
   2
   3 set -e
   4
   5 TEMP_DIR=/tmp
   6 PYTHON_FILE_SERVER_ROOT="$TEMP_DIR/python-simple-http-webserver"
   7 PID_FILE=server.pid
   8 PORT=$(ctx node properties port)
   9 URL="http://localhost:$PORT"
  10
  11 ctx logger info [ "Starting web server at: $PYTHON_FILE_SERVER_ROOT." ]
  12
  13 cd "$PYTHON_FILE_SERVER_ROOT"
  14 nohup python -m SimpleHTTPServer "$PORT" > /dev/null 2>&1 &
  15 echo $! > "$PID_FILE"
  16
  17 server_is_up() {
  18         if which wget >/dev/null; then
  19                 if wget "$URL" >/dev/null; then
  20                         return 0
  21                 fi
  22         elif which curl >/dev/null; then
  23                 if curl "$URL" >/dev/null; then
  24                         return 0
  25                 fi
  26         else
  27                 ctx logger error [ "Both curl and wget were not found in path." ]
  28                 exit 1
  29         fi
  30         return 1
  31 }
  32
  33 ctx logger info [ "Waiting for web server to launch on port $PORT..." ]
  34 STARTED=false
  35 for i in $(seq 1 15)
  36 do
  37         if server_is_up; then
  38                 ctx logger info [ "Web server is up." ]
  39                 STARTED=true
  40         break
  41         else
  42                 ctx logger info [ "Web server not up. waiting 1 second." ]
  43                 sleep 1
  44         fi
  45 done
  46
  47 if [ "$STARTED" = false ]; then
  48         ctx logger error [ "Web server did not start within 15 seconds." ]
  49         exit 1
  50 fi