[Freeipa-devel] [PATCH] 324 Add fallback for httpd restarts

[Rob Crittenden]

Martin Kosek wrote:
> Attaching a script I used to reproduce the issue on machine with sysV (RHEL 6.4
> in my case). With the patch applied, httpd restarts correctly fallback-ed.
>
> If you think that the wait is not enough, I can add a more complicated
> procedure, like this one:
>
> wait_time = 5
> retries = 3
>
> for x in xrange(retries):
>      try:
>         sleep(wait_time)
>         http.stop()
>         sleep(wait_time)
>         http.start()
>      except CalledProcessError:
>         wait_time = wait_time * 2
>         continue
>      break
>
>
> ----
>
> httpd init script on sysV based platforms cannot guarantee that two
> consecutive httpd service restarts succeed when run in a small
> time distance.
>
> Add fallback procedure that adds additional waiting time after such
> failed restart attempt, and then try to stop and start the service
> again.
>
> https://fedorahosted.org/freeipa/ticket/2965


Should we attempt to retrieve a file to ensure that the service is up? 
The ipa.crt would be a candidate for this.

rob