Hi,
xou can write a handler for every single Action, and notify all desired
handlers when needed. Handlers are executed in the order inside the
handlers list.
theoretical example:
tasks:
- name: change config
action: do something
notify:
- enable_handler
- reload_handler
- start_handler
handlers:
- name: reload_handler
service: name=daemon state=reloaded
- name: enable_handler
service: name=daemon enabled=yes
- name: start_handler
service: name=daemon state=restarted
=> the handlers are executed in the order of the handlers list as reload ..
enable .. start independend of the order in the notify list. ;-)
Cheers
Ulli
Am Mittwoch, 11. November 2015 19:41:34 UTC+1 schrieb Dylan Martin:
>
> Hi all, I have a strange one that I hope you can help me with.
>
> I'm trying to make a role for systemd service unit files. This is the
> newfangled replacement for good ol' sysV init scripts in Rhel7, any recent
> Fedora and a lot of other linux distros.
>
> The workflow is supposed to go something like this.
>
> 1) edit/install a unit file, like /etc/systemd/system/myservice.service
> 2) run systemctl daemon-reload
> 3) run systemctl enable myservice
> 4) run systemctl start myservice
>
> daemon-reload tells the systemd daemon to re-read the unit files so it
> will know you changed something
>
> In ansible, I interpret that as looking like
>
> 1) template out unit file
> 2) notify daemon-reload handler if unit file changed
> 3) service enable=true state=started name=myservice
>
> The problem is, if I've changed the unit file, the daemon-reload runs
> after the service enable/start, so systemd doesn't know to re-read the unit
> file before trying to start/enable the service.
>
> I could just make it run daemon-reload every time the role runs, which
> kindof sucks. Also, if I'm installing a boatload of unit files, I'd like
> to do a daemon-reload only once to get them all. I could make the
> daemon-reload a normal task that only runs when the template changes, but
> that means I'd be running the daemon-reload once for every unit file, which
> sucks in the case where I'm installing a boatload of them. I looked at
> post_task, but that's not for roles.
>
> Does anyone know a good way to do this?
>
> Thanks!
> -Dylan
>
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