[Bug 1087183] [NEW] MaaS cloud-init configuration specifies 'manage_etc_hosts: localhost'

[James Page]

Public bug reported:

The default cloud-init configuration for MaaS uses 'manage_etc_hosts:
localhost'; this causes a line such as:

# Added by cloud-init
127.0.1.1	test-12.os.magners.qa.lexington test-12

To be added to /etc/hosts; this is problematic for a few reasons when
using Juju with MaaS as:

unit-get private-address

returns 'test-12.os.magners.qa.lexington'; and if I then try to bind
services or connect to services running locally using this hostname I
get connected/bound to '127.0.1.1'.  And then other services connecting
to `hostname` using relation-get private-address (which resolves to the
external IP address) can't actually connect to the service as its
running on 127.0.0.1.

This part of the configuration is coming from MaaS rather than Juju and
it makes the maas provider for Juju function in a different way to other
providers which I don't believe use this configuration option.

ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: maas (not installed)
ProcVersionSignature: Ubuntu 3.5.0-17.28-generic 3.5.5
Uname: Linux 3.5.0-17-generic x86_64
ApportVersion: 2.6.1-0ubuntu4
Architecture: amd64
Date: Thu Dec  6 04:31:58 2012
InstallationMedia: Ubuntu-Server 11.10 "Oneiric Ocelot" - Release amd64 (20111011)
MarkForUpload: True
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: maas
UpgradeStatus: Upgraded to quantal on 2012-05-01 (218 days ago)

** Affects: juju
     Importance: Undecided
         Status: New

** Affects: maas
     Importance: Undecided
         Status: New

** Affects: maas (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug quantal

** Also affects: maas
   Importance: Undecided
       Status: New

** Also affects: juju
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1087183

Title:
  MaaS cloud-init configuration specifies 'manage_etc_hosts: localhost'

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