Bug 11078: QA Follow-up for missing file permissions on lockfile
The original patch creates a lockfile in the ZEBRA_LOCKDIR.
It can fall back to /var/lock or even /tmp.
If the create fails, it dies. This can be considered as very
exceptional.
This followup adjusts the fallback location in /var/lock or /tmp
slightly. It appends the database name to the folder in order to
prevent interfering between multiple Koha instances. Creation of the
lockfile has been moved to a subroutine extending directory and file
creation testing.
In the very unlikely case that we cannot create the lockfile (after
three separate tries), this follow-up allows you to continue instead
of die. This is just as we did before we had file locking here. Every
time skipping a reindex could cause more harm than continuing and
having the race condition once in a while.
Test plan:
Test adding and removing lockdir from your koha-conf.xml. Check fallback.
Note that fallback in /var/lock or /tmp must contain database name.
Remove the lockdir config line and remove permissions from fallback. In
this case the reindex should continue but with a warning.
Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Tested with daemon and one-off invocation simultaneously.
Tested new wait parameter.
Tried all variations of lock directory (changing permissions etc.)
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