logwatcher.init-sample

#!/bin/sh
#
# Copyright 2015 CityGrid Media, LLC
#
#  Licensed under the Apache License, Version 2.0 (the "License");
#  you may not use this file except in compliance with the License.
#  You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
#  Unless required by applicable law or agreed to in writing, software
#  distributed under the License is distributed on an "AS IS" BASIS,
#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#  See the License for the specific language governing permissions and
#  limitations under the License.
#
#
# init script for logwatcher.py
# Looks in the defined config_dir and starts an intstance for any files
# matching the name logwatcher_*.ini
#
# chkconfig: 3 99 00
# description: logwatcher.py - report on access logs on the fly

# Configure these in /etc/sysconfig/logwatcher to override.
daemon_args=""
pkg_dir="/usr/local/lib/python2.7/site-packages/logwatcher"
py_bin="/usr/local/bin/python2.7"
config_dir="/app/logwatcher/conf"
lw_user=root

if [ -f /etc/sysconfig/logwatcher ] ; then
    . /etc/sysconfig/logwatcher
fi

lw="${py_bin} ${pkg_dir}/run.py ${daemon_args}"
echo "Starting : ${lw}"

# GMOND Style
# lw="python2.7 ${pkg_dir}/run.py"
# Basic graphite
# lw="python2.7 ${pkg_dir}/run.py -g graphite"
#lw="/usr/local/bin/python2.7 ${pkg_dir}/run.py -g graphite -P 3003 -R 'LW.' -m trp"

# initialize other variables
class=`hostname | sed 's/^.......\([a-z]*\)[0-9]*$/\1/'`
errors=0


if [ -d $config_dir ]; then
        config_files=`ls $config_dir/logwatcher_*.ini`
else
        echo 'Logwatcher Configuration directory ($config_dir) does not exist.'
        exit 1;
fi

if [ ! "$config_files" ]; then
        echo 'There do not appear to be any valid Logwatcher Configuration Files deployed.'
        exit 1;
fi


# start, restart, status, stop
case $1 in
   start)
        for cf in $config_files; do
          pid=`ps auxww | egrep py[t]hon.*$cf | awk '{ print $2 }'`
          if [ "x$pid" != "x" ]; then
             echo 'logwatcher is running!'
             exit 1
          fi
        done

        for cf in $config_files; do
           echo "$lw -d -c $cf"
           su -c "$lw -d -c $cf" $lw_user
        done
   ;;
   restart)
        $0 stop
        $0 start
   ;;
   # FIXME: Will need to do a better of status when checking multiple logwatcher configuration files
   status)
        for cf in $config_files; do
          pid=`ps auxww | egrep py[t]hon.*logwatcher.*.ini | awk '{ print $2 }'`
          if [ "x$pid" != "x" ]; then
             echo 'logwatcher is running!'
             exit 0;
          fi
        done
        echo 'logwatcher is not running!'
        exit 1;
   ;;
   stop)
        pids=`ps auxww | egrep py[t]hon.*logwatcher.*.ini | awk '{ print $2 }'`
        for p in $pids; do
           if [ "x$p" != "x" ]; then
              echo stopping $p
              su -c "kill $p" $lw_user
              echo stopped $p
              if [ $? = 0 ]; then
                 echo looking for pid file
                 for cf in $config_files; do
                        pidfile=`egrep "^pidfile: " $cf | awk '{ print $2 }'`
                        if [ -f "$pidfile" ]; then
                                echo found pid file
                                su -c "rm $pidfile" $lw_user
                                if [ $? != 0 ]; then
                                        echo "ERROR: $0: couldn't remove $pidfile"
                                        errors=`expr $errors + 1`
                                fi
                        fi
                 done
              fi
           fi
        done
   ;;
   *)    
        echo "Usage: $0 (start|stop|restart|status)"
   ;;
esac

exit $errors




# CONFIGS:
#
#Chostname ini_name [ini_name ...]
#
#Cesh esh_events esh_roundup
#Cssa ss_data ss_query
#Cssb ss_data ss_query
#Cssc ss_data ss_query