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[http_load_] Document running from cron with munin-run

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When running from cron, nothing sets MUNIN_PLUGSTATE as needed. Runnig
any of the http_load_ plugins through munin-run with the cron argument
fixes the issue, otherwise the plugin cannot find its cache, and no data
is output.

While at it, we also rope-in MUNIN_DEDUG, so we can use --pidebug from
munin-run.

Signed-off-by: Olivier Mehani <shtrom@ssji.net>
This commit is contained in:
Olivier Mehani 2017-06-12 21:01:20 +10:00
parent 7825fc9ed2
commit ee72efe041
1 changed files with 10 additions and 5 deletions
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15
plugins/http/http_load_
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@ -36,10 +36,12 @@
# $ echo "http://www.intrafish.no/" >> /etc/munin/urls.txt
#
# 3. Add a cron job running the plugin with cron as the argument:
# */15 * * * * <user> /usr/share/munin/plugins/http_load_ cron
# <user> should be the user that has write permission to
# the $cachedir directory set below. Set the intervals to
# whatever you want.
# */15 * * * * <user> /usr/sbin/munin-run http_load_<site>_loadtime cron
# <user> should be the user that has write permission to the $cachedir
# directory set below. <site> should be any of the configured sites (all
# sites will get updated), likewise, you should replace loadtime by any
# metric that is enabled for that site (all metrics will get updated).
# Set the intervals to whatever you want.
#
# For verbose output (for debugging) you can do:
# sudo -u <user> /usr/share/munin/plugins/http_load_ cron verbose
@ -241,7 +243,10 @@ if($ARGV[0] and $ARGV[0] eq "autoconf") {
# read from
my $verbose=0;
if($ARGV[1] and $ARGV[1] eq "verbose") {
if(
$ENV{MUNIN_DEBUG} eq "1" or
$ARGV[1] and $ARGV[1] eq "verbose"
) {
$verbose=1;
print "Verbose output\n";
}