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[James Falcon <1893770@xxxxxxxxxxxxxxxxxx>]

Tracked in Github Issues as https://github.com/canonical/cloud-
init/issues/3777

** Bug watch added: github.com/canonical/cloud-init/issues #3777
   https://github.com/canonical/cloud-init/issues/3777

** Changed in: cloud-init
       Status: In Progress => Expired

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https://bugs.launchpad.net/bugs/1893770

Title:
  Cloudinit resets network scripts to default configuration DHCP once
  Config Drive is removed after sometime

Status in cloud-init:
  Expired

Bug description:
  Cloudinit version: 19.1
  Platform: OpenStack based.
  OS: RHEL, SUSE

  We use config drive(/dev/sr0) as a data source to configure network
  interfaces in the guest but configdrive is not always available and
  may be removed after couple of hours from the hypervisor.

  On a first boot cloudinit uses data provided in config drive and
  updates system level network scripts /etc/sysconfig/ifcfg-* (Static
  configuration of networks) files and also configures the interface in
  the guest.

  As long as the configdrive is available, reboots will relay on system
  scripts for the configuring network but once configdrive is removed,
  datasource becomes None meaning it neither system script nor config
  drive

  which makes cloud init to configure default network which is DHCP

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