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feat: use systemctl json output to build up fact for internal services #499

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@rwaffen rwaffen commented Nov 14, 2024

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@rwaffen rwaffen added the enhancement New feature or request label Nov 14, 2024
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Certainly on EL8 the json option does nothing good:

# systemctl list-unit-files "systemd-*" -t service --state=enabled,disabled,enabled-runtime,indirect -o json
UNIT FILE                STATE   
[email protected]  disabled
systemd-pstore.service   enabled 
systemd-resolved.service disabled

3 unit files listed.

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rwaffen commented Nov 14, 2024

hmpf, damnit :(

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rwaffen commented Nov 14, 2024

okay, this feature comes in with version 239 (May 2017)

lines.each_with_object({}) do |(service, status, *), result|
result[service] = status
end
command_output = Facter::Util::Resolution.exec('systemctl list-unit-files "systemd-*" -t service --state=enabled,disabled,enabled-runtime,indirect -o json')
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I didn't use it in the past because not all systemctl versions support the option. Do you know when the option was introduced?

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Or we can add an acceptance test 🤔

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google told me: version 239 (May 2017). maybe i drop this PR. if we still have to support older systemds the more "hacky" version was a better approach for this 🤔

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may i wait until the older osses are dropped 😆
#496

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EL8 will not be dropped with that patch and EOL for EL8 is 2029.

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ah damnit okay... then i think i drop it for the moment. the current implementation is working for older and newer versions of systemd. didnt know the feature is this "new" 😆

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Certainly on EL8 the json option does nothing good:

# systemctl list-unit-files "systemd-*" -t service --state=enabled,disabled,enabled-runtime,indirect -o json
UNIT FILE                STATE   
[email protected]  disabled
systemd-pstore.service   enabled 
systemd-resolved.service disabled

3 unit files listed.

It's documented as working in EL8. I'll report it as a bug to Redhat. Maybe it will get fixed.

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3 participants