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postfix-wrapper.sh for supervisord in docker. Controls postfix as it gets controlled by supervisord.
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| #!/usr/bin/env bash | |
| # postfix-wrapper.sh, version 0.1.0 | |
| # | |
| # You cannot start postfix in some foreground mode and | |
| # it's more or less important that docker doesn't kill | |
| # postfix and its chilren if you stop the container. | |
| # | |
| # Use this script with supervisord and it will take | |
| # care about starting and stopping postfix correctly. | |
| # | |
| # supervisord config snippet for postfix-wrapper: | |
| # | |
| # [program:postfix] | |
| # process_name = postfix | |
| # command = /path/to/postfix-wrapper.sh | |
| # startsecs = 0 | |
| # autorestart = false | |
| # | |
| trap "postfix stop" SIGINT | |
| trap "postfix stop" SIGTERM | |
| trap "postfix reload" SIGHUP | |
| # force new copy of hosts there (otherwise links could be outdated) | |
| cp /etc/hosts /var/spool/postfix/etc/hosts | |
| # start postfix | |
| postfix start | |
| # lets give postfix some time to start | |
| sleep 3 | |
| # wait until postfix is dead (triggered by trap) | |
| while kill -0 "`cat /var/spool/postfix/pid/master.pid`"; do | |
| sleep 5 | |
| done |
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