[Bug 933566] Re: Stopping resolvconf doesn't disable updates

[Thomas Hood]

I actually upgraded to 1.4-0ubuntu7 yesterday so when I look in
/var/log/upstart/resolvconf.log now I see the results of several
reboots: yes, there they are, repeated instances of:

    cp: cannot create regular file `/var/spool/postfix/etc/resolv.conf': Read-only file system^M
    run-parts: /etc/resolvconf/update-libc.d/postfix exited with return code 1^M
    run-parts: /etc/resolvconf/update.d/libc exited with return code 1^M

I uninstalled postfix and now, after boot,

    $ status resolvconf
    resolvconf start/running

with this Upstart job definition:

    $ cat /etc/init/resolvconf.conf
    # upstart script for resolvconf
    description "Initialize or finalize resolvconf"
    start on mounted MOUNTPOINT=/run
    stop on runlevel [06]
    pre-start script
	mkdir -p /run/resolvconf/interface
	# Request a postponed update (needed in case the base file has content).
	touch /run/resolvconf/postponed-update
	# Enable updates and perform the postponed update.
	resolvconf --enable-updates
    end script
    post-stop script
	resolvconf --disable-updates
    end script

Furthermore, starting and stopping the resolvconf job does the right
thing.

# status resolvconf
resolvconf start/running
# ls -l /run/resolvconf
total 4
-rw-r--r-- 1 root root   0 2012-02-17 12:17 enable-updates
drwxr-xr-x 2 root root  60 2012-02-17 11:58 interface
-rw-r--r-- 1 root root 177 2012-02-17 11:58 resolv.conf
# stop resolvconf
resolvconf stop/waiting
# ls -l /run/resolvconf
total 4
drwxr-xr-x 2 root root  60 2012-02-17 11:58 interface
-rw-r--r-- 1 root root 177 2012-02-17 11:58 resolv.conf
# start resolvconf
resolvconf start/running
# ls -l /run/resolvconf
total 4
-rw-r--r-- 1 root root   0 2012-02-17 12:17 enable-updates
drwxr-xr-x 2 root root  60 2012-02-17 11:58 interface
-rw-r--r-- 1 root root 177 2012-02-17 11:58 resolv.conf

-- 
Thomas

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

Title:
  Stopping resolvconf doesn't disable updates

Status in “resolvconf” package in Ubuntu:
  Fix Committed
Status in “upstart” package in Ubuntu:
  New

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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