Public bug reported:
Right now, cloud-init.py has:
# parse the user data (ec2-run-userdata.py)
try:
cloud.sem_and_run("consume_userdata", "once-per-instance",
cloud.consume_userdata,[],False)
except:
warn("consuming user data failed!\n")
raise
What that means is that the consume_userdata code only happens once per
instance.
consume_userdata is what then walks the userdata, with callbacks for each type.
The types at the moment are:
'text/x-shellscript' : self.handle_user_script,
'text/cloud-config' : self.handle_cloud_config,
'text/upstart-job' : self.handle_upstart_job,
'text/part-handler' : self.handle_handler,
'text/cloud-boothook' : self.handle_cloud_boothook
if the user-data changes, these will not be called again unless
'consume_userdata' lock has also been removed.
That means that
* changes to cloud-config dont get realized (old cloud-config would be used)
* upstart jobs are not re-written
* handlers are not updated
* handlers will not be called more than once per instance
* boothooks are not called more than once (they are documented that they are)
ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: cloud-init 0.6.1-0ubuntu12
ProcVersionSignature: User Name 3.0.0-7.8-virtual 3.0.0
Uname: Linux 3.0.0-7-virtual x86_64
Architecture: amd64
Date: Mon Aug 1 20:29:57 2011
Ec2AMI: ami-318e4858
Ec2AMIManifest: (unknown)
Ec2AvailabilityZone: us-east-1b
Ec2InstanceType: t1.micro
Ec2Kernel: aki-825ea7eb
Ec2Ramdisk: unavailable
PackageArchitecture: all
ProcEnviron:
PATH=(custom, user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: cloud-init
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: cloud-init (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug ec2-images oneiric
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https://bugs.launchpad.net/bugs/819507
Title:
consume_userdata is only called once per instance
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