mirror of
https://github.com/systemd/systemd.git
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702d74b62a
Useful in scripts when one wants to wait for a specific signal before continuing
113 lines
5.9 KiB
Bash
Executable File
113 lines
5.9 KiB
Bash
Executable File
#!/usr/bin/env bash
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# SPDX-License-Identifier: LGPL-2.1-or-later
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set -eux
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set -o pipefail
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# Unset $PAGER so we don't have to use --no-pager everywhere
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export PAGER=
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busctl --help
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busctl help
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busctl --version
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busctl
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busctl list --no-pager --allow-interactive-authorization=no
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busctl list
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busctl list --unique --show-machine --full
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# Pass the JSON output (-j) through jq to check if it's valid
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busctl list --acquired --activatable --no-legend -j | jq
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busctl status
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busctl status --machine=.host --augment-creds=no
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busctl status --user --machine=testuser@.host
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busctl status org.freedesktop.systemd1
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# Ignore the exit code here, since this runs during machine bootup, so busctl
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# might attempt to introspect a job that already finished and fail, i.e.:
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# Failed to introspect object /org/freedesktop/systemd1/job/335 of service org.freedesktop.systemd1: Unknown object '/org/freedesktop/systemd1/job/335'.
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busctl tree || :
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busctl tree org.freedesktop.login1
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busctl tree --list org.freedesktop.login1
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busctl introspect org.freedesktop.systemd1 /org/freedesktop/systemd1
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busctl introspect --watch-bind=yes --xml-interface org.freedesktop.systemd1 /org/freedesktop/LogControl1
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busctl introspect org.freedesktop.systemd1 /org/freedesktop/systemd1 org.freedesktop.systemd1.Manager
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busctl call org.freedesktop.systemd1 /org/freedesktop/systemd1 org.freedesktop.systemd1.Manager \
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GetDefaultTarget
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# Pass both JSON outputs through jq to check if the response JSON is valid
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busctl call --json=pretty \
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org.freedesktop.systemd1 /org/freedesktop/systemd1 org.freedesktop.systemd1.Manager \
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ListUnitsByNames as 2 "systemd-journald.service" "systemd-logind.service" | jq
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busctl call --json=short \
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org.freedesktop.systemd1 /org/freedesktop/systemd1 org.freedesktop.systemd1.Manager \
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ListUnitsByNames as 2 "systemd-journald.service" "systemd-logind.service" | jq
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# Get all properties on the org.freedesktop.systemd1.Manager interface and dump
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# them as JSON to exercise the internal JSON transformations
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busctl call -j \
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org.freedesktop.systemd1 /org/freedesktop/systemd1 org.freedesktop.DBus.Properties \
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GetAll s "org.freedesktop.systemd1.Manager" | jq -c
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busctl call --verbose --timeout=60 --expect-reply=yes \
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org.freedesktop.systemd1 /org/freedesktop/systemd1 org.freedesktop.systemd1.Manager \
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ListUnitsByPatterns asas 1 "active" 2 "systemd-*.socket" "*.mount"
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busctl emit /org/freedesktop/login1 org.freedesktop.login1.Manager \
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PrepareForSleep b false
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busctl emit --auto-start=no --destination=systemd-logind.service \
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/org/freedesktop/login1 org.freedesktop.login1.Manager \
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PrepareForShutdown b false
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busctl get-property org.freedesktop.systemd1 /org/freedesktop/systemd1 org.freedesktop.systemd1.Manager \
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Version
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busctl get-property --verbose \
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org.freedesktop.systemd1 /org/freedesktop/systemd1 org.freedesktop.systemd1.Manager \
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LogLevel LogTarget SystemState Version
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# Pass both JSON outputs through jq to check if the response JSON is valid
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busctl get-property --json=pretty \
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org.freedesktop.systemd1 /org/freedesktop/systemd1 org.freedesktop.systemd1.Manager \
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LogLevel LogTarget SystemState Version | jq
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busctl get-property --json=short \
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org.freedesktop.systemd1 /org/freedesktop/systemd1 org.freedesktop.systemd1.Manager \
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LogLevel LogTarget SystemState Version | jq
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# Set a property and check if it was indeed set
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busctl set-property org.freedesktop.systemd1 /org/freedesktop/systemd1 org.freedesktop.systemd1.Manager \
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KExecWatchdogUSec t 666
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busctl get-property -j \
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org.freedesktop.systemd1 /org/freedesktop/systemd1 org.freedesktop.systemd1.Manager \
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KExecWatchdogUSec | jq -e '.data == 666'
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(! busctl status org.freedesktop.systemd2)
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(! busctl tree org.freedesktop.systemd2)
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(! busctl introspect org.freedesktop.systemd1)
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(! busctl introspect org.freedesktop.systemd1 /org/freedesktop/systemd2)
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(! busctl introspect org.freedesktop.systemd2 /org/freedesktop/systemd1)
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# Invalid method
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(! busctl call org.freedesktop.systemd1 /org/freedesktop/systemd1 org.freedesktop.systemd1.Manager \
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ThisMethodDoesntExist)
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# Invalid signature
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(! busctl call org.freedesktop.systemd1 /org/freedesktop/systemd1 org.freedesktop.systemd1.Manager \
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ListUnitsByNames ab 1 false)
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# Invalid arguments
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(! busctl call org.freedesktop.systemd1 /org/freedesktop/systemd1 org.freedesktop.systemd1.Manager \
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GetUnitByPID u "hello")
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(! busctl call org.freedesktop.systemd1 /org/freedesktop/systemd1 org.freedesktop.systemd1.Manager \
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-- ListUnitsByNames as -1 "systemd-journald.service")
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# Not enough arguments
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(! busctl call org.freedesktop.systemd1 /org/freedesktop/systemd1 org.freedesktop.systemd1.Manager \
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ListUnitsByNames as 99 "systemd-journald.service")
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(! busctl get-property org.freedesktop.systemd1 /org/freedesktop/systemd1 org.freedesktop.systemd1.Manager \
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NonexistentProperty)
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(! busctl get-property org.freedesktop.systemd1 /org/freedesktop/systemd1 org.freedesktop.systemd1.Manager \
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Version NonexistentProperty Version)
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# Invalid property
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(! busctl set-property org.freedesktop.systemd1 /org/freedesktop/systemd1 org.freedesktop.systemd1.Manager \
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NonexistentProperty t 666)
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# Invalid signature
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(! busctl set-property org.freedesktop.systemd1 /org/freedesktop/systemd1 org.freedesktop.systemd1.Manager \
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KExecWatchdogUSec s 666)
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# Invalid argument
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(! busctl set-property org.freedesktop.systemd1 /org/freedesktop/systemd1 org.freedesktop.systemd1.Manager \
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KExecWatchdogUSec t "foo")
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busctl --quiet --timeout 1 --num-matches 1 --match "interface=org.freedesktop.systemd1.Manager" monitor >/dev/null
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