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cmdmon+client: add selectopts command

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This command uses the new source function to modify configured selection
options of an NTP source or reference clock.
This commit is contained in:
Miroslav Lichvar
2022-12-14 16:04:43 +01:00
parent cd278d1826
commit 26889a8cb7
7 changed files with 118 additions and 4 deletions
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17
doc/chronyc.adoc
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@@ -522,6 +522,23 @@ This column displays the current leap status of the source.
* _-_ indicates that a leap second will be deleted at the end of the month.
* _?_ indicates the unknown status (i.e. no valid measurement was made).
[[selectopts]]*selectopts* _address|refid_ [_+|-option_]...::
The *selectopts* command modifies the configured selection options of an NTP
source specified by IP address (or the _ID#XXXXXXXXXX_ identifier used for
unknown addresses), or a reference clock specified by reference ID as a string.
+
The selection options can be added with the *+* symbol or removed with the *-*
symbol. The *selectdata* command can be used to verify the configuration. The
modified options will be applied in the next source selection, e.g. when a new
measurement is made, or the *reselect* command is executed.
+
An example of using this command is shown below.
+
----
selectopts 1.2.3.4 -noselect +prefer
selectopts GPS +trust
----
[[reselect]]*reselect*::
To avoid excessive switching between sources, *chronyd* can stay synchronised
to a source even when it is not currently the best one among the available