canonical / core18

The core18 base snap
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static: add snapd.seeded.service to core18 #99

Closed mvo5 closed 5 years ago

mvo5 commented 5 years ago

After discussing internally we decided that we need the snapd.seeded unit in the core snap. It is an interface that external groups may use and that is also used internally by cloud-config.service.

This PR adds a very simple systemd unit to core18. It will run after core18.start-snapd has finished at which point the system is fully seeded on UC18. This ensures that the sematnic of the unit is correct.

During the seeding the unit is replaced with the right one from snapd (in /etc/systemd/system/snapd.seeded). This means we can remove the rather nasty hack to restart snapd.seeeded in the core18.start-snapd unit because snap wait will not start until snapd is ready (because of the After=core18.start-snapd clause).