Configure munin nodes & master.

Interhost communications are protected by stunnel4.  The graphs are only
visible on the master itself, and content is generated by Fast CGI.

1 files changed, 35 insertions, 0 deletions

diff --git a/roles/common-SQL/tasks/main.yml b/roles/common-SQL/tasks/main.yml
index b5c6773..9541be8 100644
--- a/roles/common-SQL/tasks/main.yml
+++ b/roles/common-SQL/tasks/main.yml
@@ -1,45 +1,80 @@
 # XXX If #742046 gets fixed, we should preseed mysql-server to use
 # auth_socket as auth_plugin once the fix enters stable.
 - name: Install MySQL
   apt: pkg={{ item }}
   with_items:
     # XXX: In non-interactive mode apt-get doesn't put a password on
     # MySQL's root user; we fix that on the next task, but an intruder
     # could exploit the race condition and for instance create dummy
     # users.
     - mysql-common
     - mysql-server
     - python-mysqldb
+    # for the 'mysql_' munin plugin
+    - libcache-cache-perl
 
 - name: Copy MySQL's configuration
   copy: src=etc/mysql/my.cnf
         dest=/etc/mysql/my.cnf
         owner=root group=root
         mode=0644
   register: r
   notify:
     - Restart MySQL
 
 # We need to restart now and load the relevant authplugin before we
 # connect to the database.
 - meta: flush_handlers
 
 # XXX Dirty fix for #742046
 - name: Force root to use UNIX permissions
   mysql_user: name=root password= auth_plugin=auth_socket
               state=present
 
 - name: Disallow anonymous and TCP/IP root login
   mysql_user: name={{ item.name|default('') }} host={{ item.host }}
               state=absent
   with_items:
     - {             host: '{{ inventory_hostname_short }}' }
     - {             host: 'localhost' }
     - {             host: '127.0.0.1'}
     - {             host: '::1'}
     - { name: root, host: '{{ inventory_hostname_short }}' }
     - { name: root, host: '127.0.0.1'}
     - { name: root, host: '::1'}
 
 - name: Start MySQL
   service: name=mysql state=started
+
+
+- name: Install 'mysql_' Munin wildcard plugin
+  file: src=/usr/share/munin/plugins/mysql_
+        dest=/etc/munin/plugins/mysql_{{ item }}
+        owner=root group=root
+        state=link force=yes
+  with_items:
+    # sudo /usr/share/munin/plugins/mysql_ suggest
+    - bin_relay_log
+    - commands
+    - connections
+    - files_tables
+    - innodb_bpool
+    - innodb_bpool_act
+    - innodb_io
+    - innodb_log
+    - innodb_rows
+    - innodb_semaphores
+    - innodb_tnx
+    - myisam_indexes
+    - qcache
+    - qcache_mem
+    - select_types
+    - slow
+    - sorts
+    - table_locks
+    - tmp_tables
+  tags:
+    - munin
+    - munin-node
+  notify:
+    - Restart munin-node