[Bug 812646] [NEW] Race in DataSourceNoCloudNet with kvm

[Tim Potter]

Public bug reported:

Hi there.  I'm trying to configure a 11.04 KVM instance using nocloud-
net and it sometimes works, sometimes not.

I have configured kernel args of init=/usr/lib/cloud-init/uncloud-init
ds=nocloud-net;s=http://192.168.122.1/;h=blah and have a user-data and
meta-data file at the address above.  Most of the time things work and
the VM starts up properly.

Some time, usually the very first boot of the VM, I get "get_data of
DataSourceNoCloudNet raised <urlopen error [Errno 101] Network is
unreachable> and cloud-init falls through to (non-existent)
DataSourceEc2.  A power down and power up again usually fixes this.

This looks like a race, though I can't figure exactly how the upstart
jobs run.

init: plymouth-splash main process (276) terminated with status 2
cloud-init start-local running: Tue, 19 Jul 2011 01:27:10 +0000. up 9.83 seconds
no instance data found in start-local
init: cloud-init-local main process (242) terminated with status 1
cloud-init start running: Tue, 19 Jul 2011 01:27:10 +0000. up 10.12 seconds
2011-08-19 01:27:10,371 - __init__.py[WARNING]: get_data of DataSourcenoCloudNet raised <urlopenerror [Errno 101] Network is unreachable>
2011-07-19 01:27:10,415 - DataSourceEc2.py[WARNING]: waiting for metadata service at http://169.254.159.254/2009-04-04/meta-data/instance-id
....

A successful boot looks like this:

init: plymouth-splash main process (339) terminated with status 2
cloud-init start running: Tue, 19 Jul 2011 02:00:56 +0000. up 2.50 seconds
found data source: DataSourceNoCloud [seed=cmdline,http://192.168.122.1/]
....

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: cloud-init (not installed)
ProcVersionSignature: Ubuntu 2.6.38-10.46-generic 2.6.38.7
Uname: Linux 2.6.38-10-generic x86_64
Architecture: amd64
Date: Tue Jul 19 11:52:48 2011
EcryptfsInUse: Yes
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007.1)
ProcEnviron:
 LANGUAGE=en_AU:en
 PATH=(custom, user)
 LANG=en_AU.UTF-8
 SHELL=/bin/bash
SourcePackage: cloud-init
UpgradeStatus: Upgraded to natty on 2011-05-18 (61 days ago)

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


** Tags: amd64 apport-bug natty running-unity

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Title:
  Race in DataSourceNoCloudNet with kvm

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