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Merge branch 'collectd-5.4' into collectd-5.5
[collectd.git]
/
src
/
collectd-exec.pod
diff --git
a/src/collectd-exec.pod
b/src/collectd-exec.pod
index
ff4f279
..
654db40
100644
(file)
--- a/
src/collectd-exec.pod
+++ b/
src/collectd-exec.pod
@@
-17,7
+17,7
@@
collectd-exec - Documentation of collectd's C<exec plugin>
=head1 DESCRIPTION
=head1 DESCRIPTION
-The C<exec plugin> forks of an executable either to receive values or to
+The C<exec plugin> forks of
f
an executable either to receive values or to
dispatch notifications to the outside world. The syntax of the configuration is
explained in L<collectd.conf(5)> but summarized in the above synopsis.
dispatch notifications to the outside world. The syntax of the configuration is
explained in L<collectd.conf(5)> but summarized in the above synopsis.
@@
-42,7
+42,7
@@
time and continuously write values to C<STDOUT>.
See L<EXEC DATA FORMAT> below for a description of the output format expected
from these programs.
See L<EXEC DATA FORMAT> below for a description of the output format expected
from these programs.
-B<Warning:> If the executable only writes one value and then exits
I
will be
+B<Warning:> If the executable only writes one value and then exits
it
will be
executed every I<Interval> seconds. If I<Interval> is short (the default is 10
seconds) this may result in serious system load.
executed every I<Interval> seconds. If I<Interval> is short (the default is 10
seconds) this may result in serious system load.
@@
-94,7
+94,7
@@
I<Valuelist> is a colon-separated list of the time and the values, each either
an integer if the data-source is a counter, or a double if the data-source is
of type "gauge". You can submit an undefined gauge-value by using B<U>. When
submitting B<U> to a counter the behavior is undefined. The time is given as
an integer if the data-source is a counter, or a double if the data-source is
of type "gauge". You can submit an undefined gauge-value by using B<U>. When
submitting B<U> to a counter the behavior is undefined. The time is given as
-epoch (i.E<nbsp>e. standard UNIX time).
+epoch (i.E<nbsp>e. standard UNIX time)
or B<N> to use the current time
.
You can mix options and values, but the order is important: Options only
effect following values, so specifying an option as last field is allowed, but
You can mix options and values, but the order is important: Options only
effect following values, so specifying an option as last field is allowed, but
@@
-169,6
+169,19
@@
table. All the options are optional, but B<plugin_instance> without B<plugin>
or B<type_instance> without B<type> doesn't make much sense and should be
avoided.
or B<type_instance> without B<type> doesn't make much sense and should be
avoided.
+=item B<type:key=>I<value>
+
+Sets user defined meta information. The B<type> key is a single character
+defining the type of the meta information.
+
+The current supported types are:
+
+=over 8
+
+=item B<s> A string passed as-is.
+
+=back
+
=back
=back
=back
=back
@@
-188,13
+201,13
@@
The data is passed to the executables over C<STDIN> in a format very similar to
HTTP: At first there is a "header" with one line per field. Every line consists
of a field name, ended by a colon, and the associated value until end-of-line.
The "header" is ended by two newlines immediately following another,
HTTP: At first there is a "header" with one line per field. Every line consists
of a field name, ended by a colon, and the associated value until end-of-line.
The "header" is ended by two newlines immediately following another,
-i.
E<nbsp>e. an empty line. The rest, basically the "body", is the message of
-
the
notification.
+i.
e. an empty line. The rest, basically the "body", is the message of the
+notification.
The following is an example notification passed to a program:
Severity: FAILURE
The following is an example notification passed to a program:
Severity: FAILURE
- Time: 1200928930
+ Time: 1200928930
.515
Host: myhost.mydomain.org
\n
This is a test notification to demonstrate the format
Host: myhost.mydomain.org
\n
This is a test notification to demonstrate the format
@@
-210,7
+223,9
@@
Severity of the notification. May either be B<FAILURE>, B<WARNING>, or B<OKAY>.
=item B<Time>
=item B<Time>
-The time in epoch, i.E<nbsp>e. as seconds since 1970-01-01 00:00:00 UTC.
+The time in epoch, i.e. as seconds since 1970-01-01 00:00:00 UTC. The value
+currently has millisecond precision (i.e. three decimal places), but scripts
+should accept arbitrary numbers of decimal places, including no decimal places.
=item B<Host>
=item B<Host>