[Bug 933566] Re: Stopping resolvconf doesn't disable updates because Upstart doesn't run the pre-stop script

[Thomas Hood]

> If and when that bug is fixed, the pre-stop script will
> have the exact same effect.

If and when the bug is fixed the wiki documentation at 
http://upstart.ubuntu.com/wiki/Stanzas#pre-stop 
should also be updated so that it no longer implies
(by omission, compared with post-stop) that the pre-stop
command isn't executed if the job fails to launch the
main process or the pre-start command fails.

** Summary changed:

- Stopping resolvconf doesn't disable updates
+ Stopping resolvconf doesn't disable updates because Upstart doesn't run the pre-stop script

** Changed in: upstart (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/933566

Title:
  Stopping resolvconf doesn't disable updates because Upstart doesn't
  run the pre-stop script

Status in “resolvconf” package in Ubuntu:
  Fix Released
Status in “upstart” package in Ubuntu:
  Confirmed

Bug description:
  Stopping the resolvconf job should disable updates by means of
  deleting the enable-updates flag file, but this does not happen.

  # ls -l /run/resolvconf
  total 4
  -rw-r--r-- 1 root root   0 2012-02-16 17:02 enable-updates
  drwxr-xr-x 2 root root  60 2012-02-16 17:02 interface
  -rw-r--r-- 1 root root 177 2012-02-16 17:02 resolv.conf
  # stop resolvconf
  stop: Unknown instance: 
  # ls -l /run/resolvconf
  total 4
  -rw-r--r-- 1 root root   0 2012-02-16 17:02 enable-updates
  drwxr-xr-x 2 root root  60 2012-02-16 17:02 interface
  -rw-r--r-- 1 root root 177 2012-02-16 17:02 resolv.conf
  # start resolvconf 
  resolvconf start/running
  # stop resolvconf
  resolvconf stop/waiting
  # ls -l /run/resolvconf
  total 4
  -rw-r--r-- 1 root root   0 2012-02-16 17:06 enable-updates
  drwxr-xr-x 2 root root  60 2012-02-16 17:02 interface
  -rw-r--r-- 1 root root 177 2012-02-16 17:02 resolv.conf

  
  The following change seems to fix this.

  
  --- /etc/init/resolvconf.conf_ORIG	2012-02-16 17:09:22.313489458 +0100
  +++ /etc/init/resolvconf.conf	2012-02-16 17:08:31.398957282 +0100
  @@ -14,6 +14,6 @@
   	resolvconf --enable-updates
   end script
   
  -pre-stop script
  +post-stop script
   	resolvconf --disable-updates
   end script

  
  # stop resolvconf
  resolvconf stop/waiting
  # ls -l /run/resolvconf
  total 4
  drwxr-xr-x 2 root root  60 2012-02-16 17:02 interface
  -rw-r--r-- 1 root root 177 2012-02-16 17:02 resolv.conf

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