Files
galaxy/rolling_restart.sh
T
2014-05-15 09:48:17 -05:00

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1.3 KiB
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#!/bin/bash
cd `dirname $0`
check_if_not_started(){
# Search for all pids in the logs and tail for the last one
latest_pid=`egrep '^Starting server in PID [0-9]+\.$' $1 -o | sed 's/Starting server in PID //g;s/\.$//g' | tail -n 1`
# Grab the current pid from the file we were given
current_pid_in_file=$(cat $2);
# If they're equivalent, then the current pid file agrees with our logs
# and we've succesfully started
if [[ $latest_pid -eq $current_pid_in_file ]];
then
echo 0;
else
echo 1;
fi
}
servers=`sed -n 's/^\[server:\(.*\)\]/\1/ p' universe_wsgi.ini | xargs echo`
for server in $servers;
do
# If there's a pid
if [[ -e $server.pid ]]
then
# Then kill it
echo "Killing $server"
pid=`cat $server.pid`
kill $pid
else
# Otherwise just continue
echo "$server not running"
fi
# Start the server (and background) (should this be nohup'd?)
python ./scripts/paster.py serve universe_wsgi.ini --server-name=$server --pid-file=$server.pid --log-file=$server.log --daemon $@
# Wait for the server to start
sleep 1
# Grab the new pid
pid=`cat $server.pid`
result=1
# Wait for the latest pid in the file to be the pid we've grabbed
while [[ $result -eq 1 ]]
do
result=$(check_if_not_started $server.log $server.pid)
echo -n "."
sleep 1
done
echo ""
done