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startup: preserve the database #203

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hannesm opened this issue Dec 15, 2024 · 0 comments · Fixed by ocaml/opam-repository#27377
Closed

startup: preserve the database #203

hannesm opened this issue Dec 15, 2024 · 0 comments · Fixed by ocaml/opam-repository#27377

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@hannesm
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hannesm commented Dec 15, 2024

There can be arbitrary complexity / stuff broken when starting albatross daemon:

  • bridges may be missing (or being disabled)
  • tap interfaces are not set to up_on_open
  • whatever else

This leads to albatross starting, but all unikernels failing to start --> sigabort or some other issue with solo5-hvt dumping core. A fix of the system is good, but won't bring us back the unikernels <--> manual intervention needed.

It would be great to first copy the "albatross.state" to a "albatross.state.started" backup file, so we can recover (manually) from such failures, without needing to deal with each unikernel individually.
hannesm added a commit that referenced this issue Feb 4, 2025
@hannesm
albatrossd: on startup, back up state file, fixes #203
001dc82
@reynir reynir closed this as completed in 49aab77 Feb 5, 2025
reynir added a commit that referenced this issue Feb 5, 2025
@reynir
Merge pull request #206 from robur-coop/backup-state
a952b7b 
albatrossd: on startup, back up state file, fixes #203
@hannesm hannesm mentioned this issue Feb 5, 2025
Merged
hannesm added a commit to hannesm/opam-repository that referenced this issue Feb 5, 2025
@hannesm
[new release] albatross (2.4.0)
5f50add 
CHANGES:

* albatross-daemon: on startup backup the state file (robur-coop/albatross#206 @hannesm, fixes robur-coop/albatross#203)
* Add block size to info command, adapt types slightly (robur-coop/albatross#195 @hannesm)
* Allow the arguments in restart to be changed (robur-coop/albatross#195 @hannesm)
* Update to ocaml-solo5-elftool 0.4.0 - bump OCaml lower bound to 4.14
  (robur-coop/albatross#207 @reynir, robur-coop/albatross#208)
* BUGFIX: restart command kills the unikernel first (robur-coop/albatross#205 @reynir)
* Print manifest on mismatch (robur-coop/albatross#196 @reynir)
* Albatross-console: use physical equality for file descriptors (robur-coop/albatross#200 @reynir)
* Albatross-console: allow multiple subscribers (robur-coop/albatross#194 @reynir)
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[new release] albatross (2.4.0) hannesm/opam-repository
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