[Bug 720440] [NEW] /etc/hosts is updated based on /etc/cloud/templates/hosts.tmpl

[John Baptist]

Public bug reported:

Binary package hint: cloud-init

The /etc/cloud/templates/ contains templates which are used to update
various configuration files in response to changing cloud metadata. The
files /etc/apt/sources.list and /etc/default/locale are updated in this
manner. However, the file  /etc/cloud/templates/hosts.tmpl, which should
be a template for /etc/hosts, is ignored. Changes to this files,
followed by reboots or calls to cloud-init will not result in changes to
/etc/hosts. This is especially problematic, because it's important to
update the /etc/hosts files so that the cloud can refer to itself by its
own hostname.

I'm testing this on Ubuntu 10.04.2, using cloud-init 0.5.10-0ubuntu1.5,
but the problem persists even on cloud-init version 0.6.0.

** Affects: cloud-init (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/720440

Title:
  /etc/hosts is updated based on /etc/cloud/templates/hosts.tmpl