Versions:
- Ruby 2.1.1
- Capistrano 2
- Rake / Rails / etc
Platform:
- Working on.... RHEL 6
- Deploying to... RHEL 6
A part of the Deploy.rb:
#before "deploy", "deploy:stop_app"
#after "deploy", "deploy:start_app"
after "deploy", "deploy:restart_app"
namespace :deploy do
task :update_code, :roles => :web, :except => { :no_release => true } do
on_rollback { puts "DO NOT WANT TO ROLL BACK?" }
strategy.deploy!
finalize_update
end
task :stop_app, :roles => :web do
run "sudo /etc/init.d/xyz stop", :shell => :bash
end
task :start_app, :roles => :web do
run "sudo /etc/init.d/xyz start", :shell => :bash
end
task :restart_app, :roles => :web do
run "sudo /etc/init.d/xyz restart", :shell => :bash
end
end
I have the parameter in the 'deploy.rb',
*set :user, 'a_user'*
Q: Which user performs the task to restart the service (xyz) after the
deployment of app (xyz)? I am getting the errors saying the xyz.pid doesn't
exist, when it actually does. This is a part of the shell script while
stopping the service.
A part of the /etc/init.d/xyz
case "$1" in
start)
printf "%-50s" "Starting $DAEMON_NAME..."
cd $DIR
[ -d $LOGPATH ] || mkdir $LOGPATH
[ -f $LOGFILE ] || su $DAEMON_USER -c 'touch $LOGFILE'
PID=`$PYTHON $DAEMON $DAEMON_OPTS > $LOGFILE 2>&1 & echo $!`
#echo "Saving PID" $PID " to " $PIDFILE
if [ -z $PID ]; then
printf "%s\n" "Fail"
else
echo $PID > $PIDFILE
printf "%s\n" "Ok"
fi
;;
status)
printf "%-50s" "Checking $DAEMON_NAME..."
if [ -f $PIDFILE ]; then
PID=`cat $PIDFILE`
if [ -z "`ps axf | grep ${PID} | grep -v grep`" ]; then
printf "%s\n" "Process dead but pidfile exists"
else
echo "Running"
fi
else
printf "%s\n" "Service not running"
fi
;;
stop)
printf "%-50s" "Stopping $DAEMONNAME"
PID=`cat $PIDFILE`
cd $DIR
if [ -f $PIDFILE ]; then
kill -HUP $PID
printf "%s\n" "Ok"
rm -f $PIDFILE
else
printf "%s\n" "pidfile not found"
fi
;;
restart)
$0 stop
$0 start
;;
*)
echo "Usage: $0 {status|start|stop|restart}"
exit 1
esac
Capistrano log
* executing `deploy:restart_app'
* executing multiple commands in parallel
-> "else" :: "sudo /etc/init.d/xyz restart"
-> "else" :: "sudo /etc/init.d/xyz restart"
-> "else" :: "sudo /etc/init.d/xyz restart"
-> "else" :: "sudo /etc/init.d/xyz restart"
servers: ["server1", "server2", "server3", "server4"]
[server1] executing command
[server2] executing command
[server3] executing command
[server4] executing command
** [out :: server1] Stopping
** [out :: server1] cat: /var/run/xyz.pid: No such file or directory
** [out :: server1] pidfile not found
** [out :: server1] Starting xyz...
** [out :: server2] Stopping
** [out :: server2] cat: /var/run/xyz.pid: No such file or directory
** [out :: server2] pidfile not found
** [out :: server2] Starting xyz...
** [out :: server2] Ok
** [out :: server1] Ok
** [out :: server3] Stopping
** [out :: server3] cat: /var/run/xyz.pid: No such file or directory
** [out :: server3] pidfile not found
** [out :: server4] Stopping
** [out :: server4] Ok
** [out :: server3] Starting xyz...
** [out :: server3] Ok
** [out :: server4] Starting xyz...
** [out :: server4] Ok
command finished in 659ms
Finished: SUCCESS
I can cat the file as the deploy user just fine.
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