#!/bin/bash
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#
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# Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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#
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# Author: Dale Curtis (dalecurtis@google.com)
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#
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# Small cron script which uses a PID file to check if Dev Server is running. If
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# not, the Dev Server is started and the PID is recorded.
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#
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# Script is written with the layout of Kirkland test lab's Dev Server in mind.
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#
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# Path to Dev Server source code.
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declare -r DEV_SERVER_PATH="/usr/local/google/chromeos/src/platform/dev/"
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# Path to Dev Server images directory.
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declare -r IMAGES_PATH="/usr/local/google/images"
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# PID file location.
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declare -r PID_FILE="/tmp/dev_server.pid"
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function start_dev_server {
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echo "Starting a new Dev Server instance..."
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cd ${DEV_SERVER_PATH}
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python devserver.py 8080 --archive_dir ${IMAGES_PATH} -t &>/dev/null&
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echo $!>${PID_FILE}
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}
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# First check for PID file, then check if PID is valid. If either are false,
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# start a new Dev Server instance.
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if [ -f ${PID_FILE} ]; then
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ps $(cat ${PID_FILE}) | grep -q devserver.py || start_dev_server
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else
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start_dev_server
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fi
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