cloud-init resolv.conf updates

[Loic Dachary <loic@dachary.org>]

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Hi Mehdi,

I tried to 

manage_resolv_conf: true

resolv_conf:
  nameservers: ['8.8.4.4', '8.8.8.8']

but did not get any result and according to /var/log/cloud-init.log it does not seem to be taken into account.

It looks like this is still an open issue according to 

https://answers.launchpad.net/ubuntu/+source/cloud-init/+question/234041 
https://bugs.launchpad.net/cloud-init/+bug/1394061

even when you get past the misleading example that spells manage-resolv-conf instead of manag_resolv_conf at

http://cloudinit.readthedocs.org/en/stable/topics/examples.html#configure-an-instances-resolv-conf

It looks like there would be a need to add

cloud_config_modules:
 - resolv_conf

according to http://bazaar.launchpad.net/~cloud-init-dev/cloud-init/trunk/view/head:/doc/examples/cloud-config.txt#L300 but I don't know which modules I need and which are optional and if the list is going to be merged with the default or override.

so I ended up doing:

#cloud-config
bootcmd:
 - echo "nameserver 10.0.3.31" | sudo tee -a /etc/resolvconf/resolv.conf.d/head
 - sudo resolvconf -u

Which works for Ubuntu 14.04 but isn't going to work for every operating system ;-)

I'm sure you faced something similar in the past and I'd very much appreciate a pointer in the right direction.

Cheers

-- 
Loïc Dachary, Artisan Logiciel Libre


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