Initial commit

Signed-off-by: Alan Orth <alan.orth@gmail.com>

roles/munin/files/munin.conf

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+# Example configuration file for Munin, generated by 'make build'
+
+# The next three variables specifies where the location of the RRD
+# databases, the HTML output, logs and the lock/pid files.  They all
+# must be writable by the user running munin-cron.  They are all
+# defaulted to the values you see here.
+#
+#dbdir	/var/lib/munin
+#htmldir /var/cache/munin/www
+#logdir /var/log/munin
+#rundir  /var/run/munin
+
+# Where to look for the HTML templates
+#
+#tmpldir	/etc/munin/templates
+
+# Where to look for the static www files
+#
+#staticdir /etc/munin/static
+
+# temporary cgi files are here. note that it has to be writable by 
+# the cgi user (usually nobody or httpd).
+#
+# cgitmpdir /var/lib/munin/cgi-tmp
+
+# (Exactly one) directory to include all files from.
+includedir /etc/munin/munin-conf.d
+
+# 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 simple host tree
+[localhost.localdomain]
+    address 127.0.0.1
+    use_node_name yes
+
+#
+# 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
+#

roles/munin/handlers/main.yml

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+---
+# file: roles/munin/handlers/main.yml
+- name: restart munin-node
+  service: name=munin-node state=restarted

roles/munin/tasks/main.yml

@@ -0,0 +1,6 @@
+---
+- include: munin.yml
+  tags: munin
+
+- include: munin-node.yml
+  tags: munin-node

roles/munin/tasks/munin-node.yml

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+---
+- name: Install munin-node
+  action: "{{ ansible_pkg_mgr }} name={{ item }} state=latest"
+  with_items:
+    - munin-node
+
+# some nice things to have for munin-node on Ubuntu
+- name: Install munin-node deps
+  when: ansible_distribution == "Ubuntu"
+  apt: name={{ item }} state=present
+  with_items:
+    - libwww-perl #for munin's nginx_status check
+
+- name: Create munin-node.conf
+  template: src=munin-node.conf.j2 dest=/etc/munin/munin-node.conf
+  notify: 
+    - restart munin-node
+
+- name: Configure munin-node
+  shell: munin-node-configure --shell --families=contrib,auto | sh -x
+  notify:
+    - restart munin-node
+
+- name: Start munin-node
+  service: name=munin-node state=started enabled=true
+
+# vim: set ts=2 sw=2:

roles/munin/tasks/munin.yml

@@ -0,0 +1,10 @@
+---
+- name: Install munin package
+  action: "{{ ansible_pkg_mgr }} name={{ item }} state=latest"
+  with_items:
+    - munin
+
+- name: Create munin configuration file
+  template: src=munin.conf.j2 dest=/etc/munin/munin.conf owner=root group=root mode=0644
+
+# vim: set ts=2 sw=2:

roles/munin/templates/munin-node.conf.j2

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+#
+# Example config-file for munin-node
+#
+
+log_level 4
+{% if ansible_distribution == "Ubuntu" %}
+log_file /var/log/munin/munin-node.log
+{% else %}
+log_file /var/log/munin-node/munin-node.log
+{% endif %}
+pid_file /var/run/munin/munin-node.pid
+
+background 1
+setsid 1
+
+user root
+group root
+
+# This is the timeout for the whole transaction.
+# Units are in sec. Default is 15 min
+#
+# global_timeout 900
+
+# This is the timeout for each plugin.
+# Units are in sec. Default is 1 min
+#
+# timeout 60
+
+# Regexps for files to ignore
+ignore_file [\#~]$
+ignore_file DEADJOE$
+ignore_file \.bak$
+ignore_file %$
+ignore_file \.dpkg-(tmp|new|old|dist)$
+ignore_file \.rpm(save|new)$
+ignore_file \.pod$
+
+# Set this if the client doesn't report the correct hostname when
+# telnetting to localhost, port 4949
+#
+host_name {{ inventory_hostname }}
+
+# A list of addresses that are allowed to connect.  This must be a
+# regular expression, since Net::Server does not understand CIDR-style
+# network notation unless the perl module Net::CIDR is installed.  You
+# may repeat the allow line as many times as you'd like
+
+allow ^127\.0\.0\.1$
+allow ^::1$
+
+# If you have installed the Net::CIDR perl module, you can use one or more
+# cidr_allow and cidr_deny address/mask patterns.  A connecting client must
+# match any cidr_allow, and not match any cidr_deny.  Note that a netmask
+# *must* be provided, even if it's /32
+#
+# Example:
+#
+# cidr_allow 127.0.0.1/32
+# cidr_allow 192.0.2.0/24
+# cidr_deny  192.0.2.42/32
+
+{% if munin_master_host is defined %}
+cidr_allow {{ munin_master_host }}
+{% endif %}
+
+# Which address to bind to;
+host *
+# host 127.0.0.1
+
+# And which port
+port 4949

roles/munin/templates/munin.conf.j2

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+# Example configuration file for Munin, generated by 'make build'
+
+# The next three variables specifies where the location of the RRD
+# databases, the HTML output, logs and the lock/pid files.  They all
+# must be writable by the user running munin-cron.  They are all
+# defaulted to the values you see here.
+#
+#dbdir	/var/lib/munin
+#htmldir /var/cache/munin/www
+#logdir /var/log/munin
+#rundir  /var/run/munin
+
+# Where to look for the HTML templates
+#
+#tmpldir	/etc/munin/templates
+
+# Where to look for the static www files
+#
+#staticdir /etc/munin/static
+
+# temporary cgi files are here. note that it has to be writable by 
+# the cgi user (usually nobody or httpd).
+#
+# cgitmpdir /var/lib/munin/cgi-tmp
+
+# (Exactly one) directory to include all files from.
+includedir /etc/munin/munin-conf.d
+
+# 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 simple host tree
+[{{ inventory_hostname }}.{{ dns_domain }}]
+    address 127.0.0.1
+    use_node_name yes
+
+#
+# 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
+#

roles/munin/templates/tomcat.conf.j2

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+[tomcat_*]
+    env.host 127.0.0.1
+    env.port 8081
+    env.user {{ munin_tomcat_user }}
+    env.password {{ munin_tomcat_password }}