supervising (Re: using runit as init)

[Charlie Brady <charlieb-supervision@budge.apana.org.au>]

On Sat, 12 Jan 2008, Bernhard Graf wrote:

> You don't run mysql, do you?

What's so hard about mysql (other than the parent process not passing on 
signals to children)?

-bash-3.00$ cat run
#! /bin/sh

exec 2>&1

exec /usr/libexec/mysqld \
  --defaults-file=/etc/my.cnf \
   --basedir=/usr \
    --datadir=/var/lib/mysql \
     --user=mysql \
      --pid-file=/var/run/mysqld/mysqld.pid
-bash-3.00$
-bash-3.00$ for i in control/* ; do sudo echo $i: ; sudo cat $i  ; done
control/d:
#! /bin/sh

exec kill -TERM $(cat /var/run/mysqld/mysqld.pid)
control/i:
#! /bin/sh

exec kill -INT $(cat /var/run/mysqld/mysqld.pid)
control/q:
#! /bin/sh

exec kill -QUIT $(cat /var/run/mysqld/mysqld.pid)
control/t:
#! /bin/sh

exec kill -TERM $(cat /var/run/mysqld/mysqld.pid)