yahoo-eng-team team mailing list archive

[meister <benjamin.jorand@xxxxxxxxx>]

Public bug reported:

Hi,

Instance SSHd host keys are rewritten by cloud-init when GCE reboot my VM. 
I have seen that the instance-id has changed after GCE has moved my VM from a dead hypervisor to a new one. 
I checked /var/lib/cloud/instances/ and can confirm instance-id changed between reboots.
We may be able to define in cloud-init configuration what is the idempotent identifier of a server such as the hostname which does not change between reboots.

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

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https://bugs.launchpad.net/bugs/1634825

Title:
  cloud-init rewrites sshd host keys when reboot occurs in GCE

Status in cloud-init:
  New

Bug description:
  Hi,

  Instance SSHd host keys are rewritten by cloud-init when GCE reboot my VM. 
  I have seen that the instance-id has changed after GCE has moved my VM from a dead hypervisor to a new one. 
  I checked /var/lib/cloud/instances/ and can confirm instance-id changed between reboots.
  We may be able to define in cloud-init configuration what is the idempotent identifier of a server such as the hostname which does not change between reboots.

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