[Gluster-devel] Init script

[Michael Fincham]

I've got a nice init script I wrote for Ubuntu Server as well. I will
submit it when I get back in to the office.

-Michael


> On my (debian) system, the 'initlog' command doesn't exist, so this
> script prints out a lot of errors, and there are some issues with how
> 'kill' works.
>
> init.d scripts are pretty hard to get working across multiple
> distributions.  The best way I know of is to only rely on commands in
> /lib/lsb/init-functions.
>
> The attached script runs cleanly on my system.
>
> On 8/7/07, Anand Avati <avati at zresearch.com> wrote:
>> committed the script under extras/init.d/glusterfsd. Thanks a bunch!
>>
>> avati
>>
>> 2007/8/3, Christopher Hawkins <chawkins at veracitynetworks.com>:
>> >
>> > > Subject: Re: [Gluster-devel] Updated debian patch
>> > >
>> > >
>> > > > Chris,
>> > > >  any patches you would want us to apply to the codebase (init.d
>> > > > script?) which might make your life easier?
>> > >
>> > > Absolutly. A well maintained init.d script in the code base
>> > > would be fantastic, and then usable on any system, not just debian.
>> > >
>> > >
>> > >
>> > > Thanx Matt.
>> >
>> > Hi guys,
>> >
>> > Here's an init script I put together that should work on any system,
>> > though
>> > I have only tried it so far on Centos. It's self contained... doesn't
>> use
>> > any init functions in the hope that it will portable across distro's.
>> So
>> > far
>> > it's been good to me and I was going to post it anyway, so I guess now
>> is
>> > the time! It's not fancy, doesn't check mounts or anything like that,
>> but
>> > it
>> > seems to work well and reliably.
>> >
>> > PS - I am not a developer by any stretch of the imagination, so in the
>> > event
>> > that my scripting is ugly in the eyes of a real coder, have a laugh at
>> my
>> > expense but please fix it and re-post.  ;-)  And thanks from all of us
>> to
>> > the gluster team for all the great work. This is a fantastic project!
>> >
>> > #!/bin/bash
>> > #
>> > # chkconfig: 35 90 12
>> > # description: Glusterfsd server
>> > #
>> >
>> > # Get function from functions library
>> > # . /etc/rc.d/init.d/functions
>> >
>> > BASE=glusterfsd
>> > GSERVER="/sbin/$BASE -f /etc/glusterfs/glusterfs-server.vol"
>> >
>> > # A function to stop gluster
>> > killgluster()
>> > {
>> >         killlevel="-9"
>> >         # Find pid.
>> >         pid=
>> >         if [ -f /var/run/$BASE.pid ]; then
>> >                 local line p
>> >                 read line < /var/run/$BASE.pid
>> >                 for p in $line ; do
>> >                         [ -z "${p//[0-9]/}" -a -d "/proc/$p" ] &&
>> > pid="$pid
>> > $p"
>> >                 done
>> >         fi
>> >         if [ -z "$pid" ]; then
>> >                 pid=`pidof -o $$ -o $PPID -o %PPID -x $1 || \
>> >                         pidof -o $$ -o $PPID -o %PPID -x $BASE`
>> >         fi
>> >         # Kill it.
>> >         kill $killlevel $pid
>> >         if [ "$?" = 0 ]
>> >           then
>> >              echo "Gluster process $pid has been killed"
>> >              initlog -n "Kill gluster" -e 1
>> >           else
>> >              echo "Failed: Gluster process $pid has not been killed"
>> >              initlog -n "Kill gluster" -e 2
>> >         fi
>> >
>> >         # Remove pid and lock file if any.
>> >          if [ -f /var/run/$BASE.pid ]
>> >             then
>> >               rm -f /var/run/$BASE.pid && initlog -n "Remove
>> $BASE.pid:"
>> > -e
>> > 1
>> >             else echo "$BASE.pid not found" && initlog -n "Remove
>> > $BASE.pid:" -e 2
>> >          fi
>> >
>> >          if [ -f /var/lock/subsys/$BASE ]
>> >             then
>> >               rm -f /var/lock/subsys/$BASE && initlog -n "Remove $BASE
>> > lock
>> > file:" -e 1
>> >             else echo "$BASE lock file not found" && initlog -n
>> "Remove
>> > $BASE lock file:" -e 2
>> >          fi
>> > }
>> >
>> > # Start the service $BASE
>> > start()
>> > {
>> >         initlog -c "echo -n Starting $BASE:"
>> >         $GSERVER
>> >         if [ $? = 0 ]
>> >          then
>> >            touch /var/lock/subsys/$BASE
>> >            initlog -n "Starting $BASE" -e 1
>> >            echo "  [OK]"
>> >          else
>> >            echo "$BASE start failed."
>> >            initlog -n "$BASE start" -e 2
>> >         fi
>> > }
>> >
>> > # Stop the service $BASE
>> > stop()
>> > {
>> >         echo "Stopping $BASE:"
>> >         killgluster
>> > }
>> > status()
>> > {
>> >         if test "`lsof |grep -c /sbin/$BASE`" = "0"
>> >           then echo "$BASE is stopped."
>> >           else echo "$BASE is running..."
>> >         fi
>> > }
>> >
>> > ### service arguments ###
>> > case $1 in
>> >   start)
>> >         start
>> >         ;;
>> >   stop)
>> >         stop
>> >         ;;
>> >   status)
>> >         status
>> >         ;;
>> >   restart|reload|condrestart)
>> >         stop
>> >         start
>> >         ;;
>> >   *)
>> >         echo $.Usage: $0 {start|stop|restart|reload|status}.
>> >         exit 1
>> > esac
>> >
>> > exit 0
>> >
>> >
>> >
>> > _______________________________________________
>> > Gluster-devel mailing list
>> > Gluster-devel at nongnu.org
>> > http://lists.nongnu.org/mailman/listinfo/gluster-devel
>> >
>>
>>
>>
>> --
>> It always takes longer than you expect, even when you take into account
>> Hofstadter's Law.
>>
>> -- Hofstadter's Law
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>>
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-- 
-Michael Fincham
Unleash Technology Solutions