mirror of
https://github.com/schoebel/mars
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35 lines
1.2 KiB
SYSTEMD
35 lines
1.2 KiB
SYSTEMD
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@eval{%let{mntpath}{%subst{%{mntname}}{-}{/}}}
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[Unit]
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Description=MARS TESTING (u)mount delay for /@{mntpath}/@{res}
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Documentation=https://github.com/schoebel/mars/docu/mars-user-manual.pdf
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## No markers for the template processor are necessary here, because
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## this unit is indirectly referenced from other units.
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## The template engine will follow all known dependencies and instantiate
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## this one when necessary.
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## HINT: in addition to the combination of BindsTo= with After= as
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## documented in "man systemd.unit" to get an _ordering_ dependency for
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## startup, it looks like we also need PartOf= to get _another_ ordering
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## dependency for _stopping_ in the right order.
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## The docs were not particularly clear about this, I found this by testing.
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##
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BindsTo=@{mntname}-@escvar{res}.mount
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After=@{mntname}-@escvar{res}.mount
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PartOf=@{mntname}-@escvar{res}.mount
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ConditionPathIsMountPoint=/@{mntpath}/@{res}
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[Service]
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Type=oneshot
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RemainAfterExit=yes
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# Important for avoiding failures: do not send any signals
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KillMode=none
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## Simulate typical runtime behaviour by random delays
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ExecStart=/bin/bash -c 'sleep $(( RANDOM * 3 / 32767 ))'
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ExecStop=/bin/bash -c 'sleep $(( RANDOM * 4 / 32767 ))'
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[Install]
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WantedBy=mars.service
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