112 lines
3.3 KiB
Plaintext
112 lines
3.3 KiB
Plaintext
UPSSCHED.CONF(5)
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================
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NAME
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----
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upssched.conf - Configuration for upssched timer program
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DESCRIPTION
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-----------
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This file controls the operations of linkman:upssched[8], the timer-based
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helper program for linkman:upsmon[8].
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CONFIGURATION DIRECTIVES
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------------------------
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*CMDSCRIPT* 'scriptname'::
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Required. This must be above any AT lines. This script is used to
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invoke commands when your timers are triggered. It receives a single
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argument which is the name of the timer that caused it to trigger.
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*PIPEFN* 'filename'::
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Required. This sets the file name of the socket which will be used for
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interprocess communications. This should be in a directory where normal
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users can't create the file, due to the possibility of symlinking
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and other evil.
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CAUTION: if you are running Solaris or similar, the permissions that
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upssched sets on this file *are not enough* to keep you safe. If
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your OS ignores the permissions on a FIFO, then you MUST put this in a
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protected directory!
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NOTE: by default, linkman:upsmon[8] will run upssched as whatever user
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you have defined with RUN_AS_USER in linkman:upsmon.conf[8]. Make sure
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that user can create files and write to files in the path you use for
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PIPEFN and LOCKFN.
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My recommendation: create a special directory for upssched, make it
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owned by your upsmon user, then use it for both.
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The stock version of the upssched.conf ships with PIPEFN disabled
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to make you visit this portion of the documentation and think about how
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your system works before potentially opening a security hole.
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*LOCKFN* 'filename'::
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Required. upssched attempts to create this file in order to avoid a
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race condition when two events are dispatched from upsmon at nearly
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the same time. This file will only exist briefly. It must not be
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created by any other process.
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+
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You should put this in the same directory as PIPEFN.
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*AT* 'notifytype' 'upsname' 'command'::
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Define a handler for a specific event 'notifytype' on UPS
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'upsname'. 'upsname' can be the special value * to apply this
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handler to every UPS.
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+
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This will perform the command 'command' when the 'notifytype'
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and 'upsname' match the current activity. Possible values for
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'command' are:
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*START-TIMER* 'timername' 'interval';;
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Start a timer of 'interval' seconds. When it triggers, it
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will pass the argument 'timername' as an argument to your
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CMDSCRIPT.
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+
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Example:
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+
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Start a timer that will execute when any UPS (*) has been
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gone for 10 seconds
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AT COMMBAD * START-TIMER upsgone 10
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*CANCEL-TIMER* 'timername' ['cmd'];;
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Cancel a running timer called 'timername', if possible.
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If the timer has passed then pass the optional argument
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'cmd' to CMDSCRIPT.
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+
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Example:
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+
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If a specific UPS (+myups@localhost+) comes back online, then
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stop the timer before it triggers
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AT COMMOK myups@localhost CANCEL-TIMER upsgone
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*EXECUTE* 'command';;
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Immediately pass 'command' as an argument to CMDSCRIPT.
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+
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Example:
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+
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If any UPS (*) reverts to utility power, then execute
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`ups-back-on-line` via CMDSCRIPT.
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AT ONLINE * EXECUTE ups-back-on-line
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Note that any AT that matches both the 'notifytype' and the
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'upsname' for the current event will be used.
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For a complete list of 'notifytype' possible values, refer to the section
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NOTIFY EVENTS in linkman:upsmon[8].
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SEE ALSO
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--------
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linkman:upssched[8], linkman:upsmon[8]
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Internet resources:
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~~~~~~~~~~~~~~~~~~~
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The NUT (Network UPS Tools) home page: http://www.networkupstools.org/
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