startup / shutdown script (rc.d)
Jerry McAllister
jerrymc at msu.edu
Mon Jun 4 17:28:57 UTC 2007
On Mon, Jun 04, 2007 at 09:55:26AM -0700, gmoniey wrote:
>
> Hi,
>
> so i tried the script you mentioned, and it doesnt seem as if it is being
> called on startup. Here is my script (rails.sh):
>
> #!/bin/sh
> case "$1" in
> start)
> kldload accf_http
> mongrel_rails cluster::start -C
> /usr/local/www/app/config/mongrel_cluster.yml
> /usr/local/www/app/script/backgroundrb start
> ;;
> stop)
> mongrel_rails cluster::stop -C
> /usr/local/www/app/config/mongrel_cluster.yml
> /usr/local/www/app/script/backgroundrb stop
> ;;
> *)
> echo "Usage: `basename $0` {start|stop}" >&2
> exit 64
> ;;
> esac
>
try making it write to a file at the beginning and end of
the start and stop sections.
Something like:
echo "RAILS found start" >> /tmp/railstest
... other stuff ...
echo "RAILS finishing start" >> /tmp/railstest
or whatever makes sense to you.
Maybe your script is crashing for some other reason.
////jerry
>
> Also, I double checked that the permissions were correct (I made it the same
> as the other scripts in the rc.d directory). Here is the directory listing:
>
> -r-xr-xr-x 1 root wheel 179 Jun 3 17:26 000.apache2libs.sh
> -rwxr-x--- 1 root wheel 181 May 2 02:19 000.mysql-client.sh
> -r-xr-xr-x 1 root wheel 3524 Jun 3 12:07 apache2.sh
> -r-xr-xr-x 1 root wheel 1689 May 2 02:30 mysql-server.sh
> -r-xr-xr-x 1 root wheel 651 Jan 15 19:31 proftpd.sh
> -r-xr-xr-x 1 root wheel 445 Jun 3 17:26 rails.sh
>
>
> While looking through the other files in the rc.d directory, I noticed that
> 000.apache2libs.sh has the similar structure as the file you suggested, so I
> attempted to put my commands in there, but it seems as if they are not being
> called either (i.e. after reboot, when i do a ps aux, i dont see the
> commands i expect to be started)...
>
> I also tried adding rails_enable = "YES" in the rc.conf file, and that
> didn't work (although I didn't expect it to work, as I didn't assign a name
> in my script).
>
> any ideas?
>
>
> Jerry McAllister-2 wrote:
> >
> > On Thu, May 31, 2007 at 09:05:17PM -0700, gmoniey wrote:
> >
> >>
> >> Hi Noberto,
> >>
> >> I actually looked at the apache one, and it seemed so complicated, there
> >> were 2 files for it, one of which was relatively short and the other was
> >> significantly long.
> >>
> >> Now dont get me wrong, they aren't beyond comprehension, but i simply
> >> dont
> >> have the time right now to figure them out.
> >>
> >> I dont quite see how something as simple as "apachectl start" is expanded
> >> into so many lines.
> >
> > It is because those scripts take in to consideration so many
> > possible different conditions. In addition, lines like:
> >
> > # PROVIDE: apache22
> > # REQUIRE: NETWORKING SERVERS
> > # BEFORE: DAEMON
> > # KEYWORD: shutdown
> >
> > Deal with ordering of execution and integrating with other things.
> > They could be meaningful, but are probably not needed in a simple
> > routine like you seem to want.
> >
> > The basic scheme is that the system calls the scripts in rc.d
> > one at a time. During startup it calls them with an argument
> > of 'start' and when it is shutting down, it calls them with
> > an argument of 'stop'. So, all you script has to do is look
> > for a first argument (past the script name) and check for start
> > or stop and possibly error if it is anything else.
> >
> > Presuming you have one routine to run at startup
> > called /usr/local/bin/mystartuproutine
> > and one routine to run at shutdown
> > called /usr/local/bin/myshutdownroutine
> > and these two files have execute permission,
> > then something as simple as this would work.
> >
> > Put this little script in /usr/local/etc/rc.d/ with
> > a name something like mystuff.sh and give it execute permission.
> >
> >
> > #!/bin/sh
> > case "$1" in
> > start)
> > /usr/local/bin/mystartuproutine
> > ;;
> > stop)
> > /usr/local/bin/myshutdownroutine
> > ;;
> > *)
> > echo "Usage: `basename $0` {start|stop}" >&2
> > exit 64
> > ;;
> > esac
> >
> >
> > You might want to add some other checks and conditions such
> > as checking if those files exist and some niceties such as
> > making variables of your routine names later.
> >
> > ////jerry
> >
> >>
> >> maybe i will get some time in the near future to understand it...
> >>
> >>
> >> Norberto Meijome-2 wrote:
> >> >
> >> > On Thu, 31 May 2007 14:06:45 -0700 (PDT)
> >> > gmoniey <gmoniey at gmail.com> wrote:
> >> >
> >> >> I was wondering if there is a simple way to create 1 script that will
> >> be
> >> >> called during startup and shutdown. Basically, I am looking for
> >> something
> >> >> like this:
> >> >
> >> > the easiest way (for me) is to grab the rc script of anything that you
> >> > know
> >> > well (for example, apache) and modify it for your needs. anyway, at
> >> least
> >> > you
> >> > can learn from the one that is already made, without having to start
> >> from
> >> > scratch.
> >> >
> >> > B
> >> >
> >> > _________________________
> >> > {Beto|Norberto|Numard} Meijome
> >> >
> >> > "People demand freedom of speech to make up for the freedom of thought
> >> > which
> >> > they avoid. " Soren Aabye Kierkegaard
> >> >
> >> > I speak for myself, not my employer. Contents may be hot. Slippery when
> >> > wet.
> >> > Reading disclaimers makes you go blind. Writing them is worse. You have
> >> > been
> >> > Warned.
> >> > _______________________________________________
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> >> > "freebsd-questions-unsubscribe at freebsd.org"
> >> >
> >> >
> >>
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