logging/ascii: Fix .shadow paths when using LogAscii::logdir

With the introduction of LogAscii::logdir, log filenames can now include
parent directories rather than being plain basenames. Enabling log rotation,
leftover log rotation and setting LogAscii::logdir broke due to not
handling this situation.

This change ensures that .shadow files are placed within the directory where
the respective .log file is created. Previously, the .shadow. (or .tmp.shadow.)
prefix was simply prepended, yielding non-sensical paths such as
.tmp.shadow.foo/bar/packet_filter.log for a logdir of foo/bar.

Additionally, respect LogAscii::logdir when searching for leftover log files
rather than defaulting to the current working directory.

The following quirk exist around LogAscii::logdir, but will be addressed
in a follow-up.

* By default, logs are currently rotated into the working directory of the
  process, rather than staying confined within LogAscii::logdir. One of
  the added tests shows this behavior.
This commit is contained in:
Arne Welzel 2022-06-29 12:59:06 +02:00
parent 8ba44c656a
commit 513ea7e04f
11 changed files with 335 additions and 35 deletions

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### BTest baseline data generated by btest-diff. Do not edit. Use "btest -U/-u" to update. Requires BTest >= 0.63.
leftover conn log
leftover dns log

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### BTest baseline data generated by btest-diff. Do not edit. Use "btest -U/-u" to update. Requires BTest >= 0.63.
### NOTE: This file has been sorted with diff-sort.
running my rotation postprocessor for path 'conn'
running my rotation postprocessor for path 'dns'