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Expand drop-in search paths

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* top-level (pod.d)
* truncated (unit-.container.d)

Signed-off-by: Bennie Milburn-Town <63211101+benniekiss@users.noreply.github.com>
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benniekiss
2024-07-12 13:39:45 -04:00
committed by Bennie Milburn-Town
parent 89432899a7
commit 3c52ef43f5
5 changed files with 182 additions and 25 deletions
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14
docs/source/markdown/podman-systemd.unit.5.md
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@ -50,11 +50,15 @@ other sections are passed on untouched, allowing the use of any normal systemd c
like dependencies or cgroup limits.
The source files also support drop-ins in the same [way systemd does](https://www.freedesktop.org/software/systemd/man/latest/systemd.unit.html).
For a given source file (say `foo.container`), the corresponding `.d`directory (in this
case `foo.container.d`) will be scanned for files with a `.conf` extension that are merged into
the base file in alphabetical order. The format of these drop-in files is the same as the base file.
This is useful to alter or add configuration settings for a unit, without having to modify unit
files.
For a given source file (`foo.container`), the corresponding `.d` directory (`foo.container.d`) will
be scanned for files with a `.conf` extension, which are then merged into the base file in alphabetical
order. Top-level type drop-ins (`container.d`) will also be included. If the unit contains dashes ("-")
in the name (`foo-bar-baz.container`), then the drop-in directories generated by truncating the name after
the dash are searched as well (`foo-.container.d` and `foo-bar-.container.d`). Drop-in files with the same name
further down the hierarchy override those further up (`foo-bar-baz.container.d/10-override.conf` overrides
`foo-bar-.container.d/10-override.conf`, which overrides `foo-.service.d/10-override.conf`, which overrides
`container.d/10-override.conf`). The format of these drop-in files is the same as the base file. This is useful
to alter or add configuration settings for a unit, without having to modify unit files.
For rootless containers, when administrators place Quadlet files in the
/etc/containers/systemd/users directory, all users' sessions execute the