`/api/v1/signing-key.gpg` spawns a `gpg` process,
which is great to test if `gpg` is available
and can be invoked from in the unit.
Which is somewhat relevant, since `gpg` was
missing from the unit's `$PATH` until recently.
And even after adding `gpg` to the unit's `$PATH`,
configuring commit signing for a instance
resulted in http/500s nonetheless.
That's due to `@memlock` being present in
`SystemCallFilter=~` and `gpg` trying to
use `mlock` (probably to prevent secrets
in the memory to swap), resulting in an
immediate `SIGKILL` of any spawned `gpg` processes.
The defaults conflicts with the defaults of `services.httpd`:
```
error: The option `nodes.machine.services.logrotate.enable' has conflicting definition values:
- In `/home/thomas/Workspace/Packaging/nixpkgs/nixos/modules/profiles/minimal.nix': false
- In `/home/thomas/Workspace/Packaging/nixpkgs/nixos/modules/services/web-servers/apache-httpd/default.nix': true
Use `lib.mkForce value` or `lib.mkDefault value` to change the priority on any of these definitions.
(use '--show-trace' to show detailed location information)
```
`nixos/profile/minimal` is not used in the majority of the tests and it does not
seem to have a specific reason to use it for the HAProxy test.
It looks like the systemd-initrd variant of the systemd-shutdown test
(systemd-initrd-shutdown) did not actually enable the systemd-initrd and
so was just evaluating to the same store path before this change.
The test was failing because it was timing out. Turns out it was waiting
for `foo.kdbx`, which couldn't be "seen" even if it actually existed
(probably some contrast issues with the theme and OCR couldn't find it).
Fixed it by delegating the check to the next screen, where the full path
to the file is displayed in a bigger size. The test seems to pass.
Prepare the tests for a change in dependency handling, by not relying on
bespoke files dropped into the package output.
Instead we now check the journal log for whether a configured component
was setup, once for the initial specialisation another time for the one
introducing esphome configuration.
Also improve abstractions for getting journal data relative to a cursor
and generally make a few things more concise.
using readFile instead of fileContents (or using indented strings) can
leave a trailing newline that causes build errors in systemd units and
has previously caused runtime errors in wireguard scripts. use
singleLineStr to strip a trailing newline if it exists, and to fail if
more than one is present.
...but still allow for setting `dataDir` to a custom path. This gets
rid of the use of the deprecated option PermissionsStartOnly. Also, add
the ability to customize user and group, since that could be useful
with a custom `dataDir`.
