[Bug 1885527] Re: cloud-init regenerating ssh-keys

2020-07-02 Thread Valery Tschopp
We have no problem about cloud-init still being active on the machine
after the first boot init.

My issue is:

On first instance boot, the metadata service is successfully contacted,
and the initialisation succeed (host ssh key generated, hostname set,
...)

But on any reboot, if the metadata service is DOWN or not reachable for
any reason, then cloud-init regenerates the host ssh keys.

My understanding is that determining if it is a first boot, or not, is
only based on the cached instance-id, compared to the data received from
the metadata service. So if the metadata service is DOWN or not
reachable, cloud-init will always think it is a first boot, right?

Isn't it possible to make this test more robust?

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Title:
  cloud-init regenerating ssh-keys

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[Bug 1885527] Re: cloud-init regenerating ssh-keys

2020-07-01 Thread Valery Tschopp
** Changed in: cloud-init (Ubuntu)
   Status: Incomplete => New

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Title:
  cloud-init regenerating ssh-keys

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[Bug 1885527] Re: cloud-init regenerating ssh-keys

2020-07-01 Thread Valery Tschopp
We have a similar issue:

1. At first boot cloud-init generated the host ssh keys
2. The metadata service crashed and went down :(
3. At reboot, cloud-init can NOT reach the metadata service and regenerates the 
host ssh keys

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Title:
  cloud-init regenerating ssh-keys

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