cloud-init-dev team mailing list archive

[Garrett Holmstrom <gholms@xxxxxxxxxxxxxxxxx>]

IIRC, since Ubuntu uses debconf to manage host keys sshd is free to start without them and wait for something like cloud-init generate them at its leisure.  On Fedora, though, sshd-keygen.service generates them.  Since that always runs immediately prior to sshd.service it is much more difficult to make sshd start without host keys.  If cloud-init.service does not finish before sshd-keygen.service starts then sshd will need a restart to pick up whatever changes cloud-init happens to make to it.

Strictly speaking, this patch is incorrect -- cloud-init.service should precede sshd.service *and* sshd-keygen.service.
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https://code.launchpad.net/~jordane/cloud-init/sshd-systemd-fix/+merge/224353
Your team cloud init development team is requested to review the proposed merge of lp:~jordane/cloud-init/sshd-systemd-fix into lp:cloud-init.