Hi folks,
I'm tying myself in knots trying to figure out the best metaparameters
to use here. I want to define an exec that only runs when a service is
scheduled to be restarted. It should check the config file and if the
syntax is invalid, it should abort restarting the service (i.e. won't
kill a running service).
This is what I've got so far:
service { 'dhcpd':
ensure => running,
enable => true,
hasstatus => true,
hasrestart => true,
notify => Exec['dhcpd-config-test'],
}
# This exec tests the dhcpd config and fails if it's bad
# It isn't run every time puppet runs, but only when dhcpd is to be
restarted
exec { 'dhcpd-config-test':
command => '/usr/bin/sudo /usr/sbin/dhcpd -t',
returns => 0,
refreshonly => true,
logoutput => on_failure,
}
Notify on its own is no good, since if the exec fails, the service gets
restarted anyway.
Require on its own is no good, since the exec runs every time.
Is there some way to combine the two?
Thanks,
Jonathan
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