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1c5d54b2df
In general, it's better to avoid a negation. And "!" is special, because it is
used for history expansion, i.e. the same command would behave differently if
pasted on the command line.
Inspired by 4a899c5a23.
100 lines
3.1 KiB
Bash
Executable File
100 lines
3.1 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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# Test OnSuccess= + Uphold= + PropagatesStopTo= + BindsTo=
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systemd-analyze log-level debug
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systemd-analyze log-target journal
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# Idea is this:
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# 1. we start testsuite-23-success.service
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# 2. which through OnSuccess= starts testsuite-23-fail.service,
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# 3. which through OnFailure= starts testsuite-23-uphold.service,
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# 4. which through Uphold= starts/keeps testsuite-23-short-lived.service running,
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# 5. which will sleep 1s when invoked, and on the 5th invocation send us a SIGUSR1
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# 6. once we got that we finish cleanly
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sigusr1=0
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trap sigusr1=1 SIGUSR1
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trap -p SIGUSR1
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systemctl start testsuite-23-success.service
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while [ "$sigusr1" -eq 0 ] ; do
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sleep .5
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done
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systemctl stop testsuite-23-uphold.service
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systemctl enable testsuite-23-upheldby-install.service
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# Idea is this:
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# 1. we start testsuite-23-retry-uphold.service
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# 2. which through Uphold= starts testsuite-23-retry-upheld.service
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# 3. which through Requires= starts testsuite-23-retry-fail.service
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# 4. which fails as /tmp/testsuite-23-retry-fail does not exist, so testsuite-23-retry-upheld.service
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# is no longer restarted
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# 5. we create /tmp/testsuite-23-retry-fail
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# 6. now testsuite-23-retry-upheld.service will be restarted since upheld, and its dependency will
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# be satisfied
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rm -f /tmp/testsuite-23-retry-fail
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systemctl start testsuite-23-retry-uphold.service
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systemctl is-active testsuite-23-upheldby-install.service
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until systemctl is-failed testsuite-23-retry-fail.service ; do
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sleep .5
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done
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(! systemctl is-active testsuite-23-retry-upheld.service)
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touch /tmp/testsuite-23-retry-fail
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until systemctl is-active testsuite-23-retry-upheld.service ; do
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sleep .5
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done
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systemctl stop testsuite-23-retry-uphold.service testsuite-23-retry-fail.service testsuite-23-retry-upheld.service
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# Idea is this:
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# 1. we start testsuite-23-prop-stop-one.service
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# 2. which through Wants=/After= pulls in testsuite-23-prop-stop-two.service as well
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# 3. testsuite-23-prop-stop-one.service then sleeps indefinitely
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# 4. testsuite-23-prop-stop-two.service sleeps a short time and exits
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# 5. the StopPropagatedFrom= dependency between the two should ensure *both* will exit as result
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# 6. an ExecStopPost= line on testsuite-23-prop-stop-one.service will send us a SIGUSR2
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# 7. once we got that we finish cleanly
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sigusr2=0
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trap sigusr2=1 SIGUSR2
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systemctl start testsuite-23-prop-stop-one.service
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while [ "$sigusr2" -eq 0 ] ; do
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sleep .5
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done
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# Idea is this:
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# 1. we start testsuite-23-binds-to.service
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# 2. which through BindsTo=/After= pulls in testsuite-23-bound-by.service as well
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# 3. testsuite-23-bound-by.service suddenly dies
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# 4. testsuite-23-binds-to.service should then also be pulled down (it otherwise just hangs)
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# 6. an ExecStopPost= line on testsuite-23-binds-to.service will send us a SIGRTMIN1+1
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# 7. once we got that we finish cleanly
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sigrtmin1=0
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trap sigrtmin1=1 SIGRTMIN+1
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systemctl start testsuite-23-binds-to.service
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while [ "$sigrtmin1" -eq 0 ] ; do
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sleep .5
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done
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systemd-analyze log-level info
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