diff --git a/puppet/zulip_ops/templates/munin/munin.conf.erb b/puppet/zulip_ops/templates/munin/munin.conf.erb index 3042b823fe..ef2f707ccd 100644 --- a/puppet/zulip_ops/templates/munin/munin.conf.erb +++ b/puppet/zulip_ops/templates/munin/munin.conf.erb @@ -6,6 +6,9 @@ htmldir /var/www/munin logdir /var/log/munin rundir /var/run/munin +# (Exactly one) directory to include all files from. +includedir /etc/munin/munin-conf.d + [nagios] address 127.0.0.1 use_node_name yes @@ -23,3 +26,118 @@ i = 0 i += 1 end -%> + +# Default munin comments from Xenial below + +# You can choose the time reference for "DERIVE" like graphs, and show +# "per minute", "per hour" values instead of the default "per second" +# +#graph_period second + +# Graphics files are generated either via cron or by a CGI process. +# See http://munin-monitoring.org/wiki/CgiHowto2 for more +# documentation. +# Since 2.0, munin-graph has been rewritten to use the cgi code. +# It is single threaded *by design* now. +# +#graph_strategy cron + +# munin-cgi-graph is invoked by the web server up to very many times at the +# same time. This is not optimal since it results in high CPU and memory +# consumption to the degree that the system can thrash. Again the default is +# 6. Most likely the optimal number for max_cgi_graph_jobs is the same as +# max_graph_jobs. +# +#munin_cgi_graph_jobs 6 + +# If the automatic CGI url is wrong for your system override it here: +# +#cgiurl_graph /munin-cgi/munin-cgi-graph + +# max_size_x and max_size_y are the max size of images in pixel. +# Default is 4000. Do not make it too large otherwise RRD might use all +# RAM to generate the images. +# +#max_size_x 4000 +#max_size_y 4000 + +# HTML files are normally generated by munin-html, no matter if the +# files are used or not. You can change this to on-demand generation +# by following the instructions in http://munin-monitoring.org/wiki/CgiHowto2 +# +# Notes: +# - moving to CGI for HTML means you cannot have graph generated by cron. +# - cgi html has some bugs, mostly you still have to launch munin-html by hand +# +#html_strategy cron + +# munin-update runs in parallel. +# +# The default max number of processes is 16, and is probably ok for you. +# +# If set too high, it might hit some process/ram/filedesc limits. +# If set too low, munin-update might take more than 5 min. +# +# If you want munin-update to not be parallel set it to 0. +# +#max_processes 16 + +# RRD updates are per default, performed directly on the rrd files. +# To reduce IO and enable the use of the rrdcached, uncomment it and set it to +# the location of the socket that rrdcached uses. +# +#rrdcached_socket /var/run/rrdcached.sock + +# Drop somejuser@fnord.comm and anotheruser@blibb.comm an email everytime +# something changes (OK -> WARNING, CRITICAL -> OK, etc) +#contact.someuser.command mail -s "Munin notification" somejuser@fnord.comm +#contact.anotheruser.command mail -s "Munin notification" anotheruser@blibb.comm +# +# For those with Nagios, the following might come in handy. In addition, +# the services must be defined in the Nagios server as well. +#contact.nagios.command /usr/bin/send_nsca nagios.host.comm -c /etc/nsca.conf + +# +# A more complex example of a host tree +# +## First our "normal" host. +# [fii.foo.com] +# address foo +# +## Then our other host... +# [fay.foo.com] +# address fay +# +## IPv6 host. note that the ip adress has to be in brackets +# [ip6.foo.com] +# address [2001::1234:1] +# +## Then we want totals... +# [foo.com;Totals] #Force it into the "foo.com"-domain... +# update no # Turn off data-fetching for this "host". +# +# # The graph "load1". We want to see the loads of both machines... +# # "fii=fii.foo.com:load.load" means "label=machine:graph.field" +# load1.graph_title Loads side by side +# load1.graph_order fii=fii.foo.com:load.load fay=fay.foo.com:load.load +# +# # The graph "load2". Now we want them stacked on top of each other. +# load2.graph_title Loads on top of each other +# load2.dummy_field.stack fii=fii.foo.com:load.load fay=fay.foo.com:load.load +# load2.dummy_field.draw AREA # We want area instead the default LINE2. +# load2.dummy_field.label dummy # This is needed. Silly, really. +# +# # The graph "load3". Now we want them summarised into one field +# load3.graph_title Loads summarised +# load3.combined_loads.sum fii.foo.com:load.load fay.foo.com:load.load +# load3.combined_loads.label Combined loads # Must be set, as this is +# # not a dummy field! +# +## ...and on a side note, I want them listen in another order (default is +## alphabetically) +# +# # Since [foo.com] would be interpreted as a host in the domain "com", we +# # specify that this is a domain by adding a semicolon. +# [foo.com;] +# node_order Totals fii.foo.com fay.foo.com +#