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@@ -9,14 +9,29 @@
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# This plugin uses CURL to access the Drupal instance over HTTP. For most
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# plugin modules, this could also work in CLI mode using Drush, and a Drush
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# plugin implementation is a no-brainer. However, in most cases, this will be a
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-# lower performance option, because CLI code is not cached in APC itself,
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-# causing extra server load to fetch the files from disk everytime, whereas they
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-# will normally be cache in APC itself when using HTTP access.
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+# lower performance option, because CLI code is not cached in APC, causing
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+# extra I/O load to fetch the files from disk everytime, whereas they will
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+# normally be cached in APC when using HTTP access.
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SUB=$(basename $0 | sed s/drupal_/munin_/)
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-CURL="/usr/bin/env curl"
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+# The timeout needs to be "not too short", because on
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+# system reboot, munin will often send probes before
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+# Apache is ready and, if they timeout, will not register
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+# the Munin plugins invoking this scripts for further
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+# probes, and it will have to be restarted manually.
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+#
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+# In addition, if you encounter "Connection refused" errors after system
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+# reboot, you may want to force a munin-node restart. In Ubuntu 10.10,
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+# for example, this can be done by adding:
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+#
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+# @reboot /bin/sleep 60 ; /usr/sbin/restart munin-node
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+#
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+# in /etc/cron.d/munin to force a munin restart 1 minute after cron restart.
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+#
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+CURL="/usr/bin/env curl --connect-timeout 60"
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+echo $CURL
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case $1 in
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config)
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$CURL http://$HOST/munin_api/$SUB/config
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