yahoo-eng-team team mailing list archive

[Jason Zions <1823084@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

After merge 365065 (commit 0dc3a77f4), when an Azure VM (previously
provisioned via cloud-init) is rebooted, DataSourceAzure fails to
recreate a NetworkConfig, with multiple exceptions raised and caught.

When the ds is restored from obj.pkl in the instance directory,
self._network_config is reloaded as the string "_unset" rather than as a
dictionary. Comments in the datasource indicate this was a deliberate
decision; the intent was to force the datasource to rebuild the network
configuration at each boot based on information fetched from the Azure
control plane. The self._network_config dict is overwritten very quickly
after it is generated and used; the net result is that the "_unset"
string is deliberately saved as obj['ds']['network_config']

** Affects: cloud-init
     Importance: Undecided
         Status: New

** Attachment added: "cloud-init collect-logs output"
   https://bugs.launchpad.net/bugs/1823084/+attachment/5252625/+files/cloud-init.tar.gz

** Merge proposal linked:
   https://code.launchpad.net/~jasonzio/cloud-init/+git/cloud-init/+merge/365377

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https://bugs.launchpad.net/bugs/1823084

Title:
  DataSourceAzure doesn't rebuild network-config after reboot

Status in cloud-init:
  New

Bug description:
  After merge 365065 (commit 0dc3a77f4), when an Azure VM (previously
  provisioned via cloud-init) is rebooted, DataSourceAzure fails to
  recreate a NetworkConfig, with multiple exceptions raised and caught.

  When the ds is restored from obj.pkl in the instance directory,
  self._network_config is reloaded as the string "_unset" rather than as
  a dictionary. Comments in the datasource indicate this was a
  deliberate decision; the intent was to force the datasource to rebuild
  the network configuration at each boot based on information fetched
  from the Azure control plane. The self._network_config dict is
  overwritten very quickly after it is generated and used; the net
  result is that the "_unset" string is deliberately saved as
  obj['ds']['network_config']

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