Configure prometheus monitoring for mysql

[chef.git] / cookbooks / mysql / recipes / default.rb

diff --git a/cookbooks/mysql/recipes/default.rb b/cookbooks/mysql/recipes/default.rb
index 07835e729908255066921f67fa3c2a97eda69e4a..d0d7b1679230c2448f0d7278c9207913923cf7ea 100644 (file)
--- a/cookbooks/mysql/recipes/default.rb
+++ b/cookbooks/mysql/recipes/default.rb
@@ -1,14 +1,14 @@
 #
-# Cookbook Name:: mysql
+# Cookbook:: mysql
 # Recipe:: default
 #
-# Copyright 2013, OpenStreetMap Foundation
+# Copyright:: 2013, OpenStreetMap Foundation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
 #
-#     http://www.apache.org/licenses/LICENSE-2.0
+#     https://www.apache.org/licenses/LICENSE-2.0
 #
 # Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
@@ -17,6 +17,9 @@
 # limitations under the License.
 #
 
+include_recipe "munin"
+include_recipe "prometheus"
+
 package "mysql-server"
 package "mysql-client"
 
@@ -25,29 +28,18 @@ service "mysql" do
   supports :status => true, :restart => true
 end
 
-file "/etc/mysql/conf.d/chef.cnf" do
-  action :delete
-  notifies :restart, "service[mysql]"
-end
-
-conf_file = if node[:lsb][:release].to_f >= 16.04
-              "/etc/mysql/mysql.conf.d/zzz-chef.cnf"
-            else
-              "/etc/mysql/conf.d/zzz-chef.cnf"
-            end
-
-template conf_file do
+template "/etc/mysql/mysql.conf.d/zzz-chef.cnf" do
   source "my.cnf.erb"
   owner "root"
   group "root"
-  mode 0o644
+  mode "644"
   notifies :restart, "service[mysql]"
 end
 
 package "libdbd-mysql-perl"
 package "libcache-cache-perl"
 
-%w(
+%w[
   commands connections files handler_read handler_tmp handler_transaction
   handler_write innodb_bpool innodb_bpool_act innodb_history_list_length
   innodb_insert_buf innodb_io innodb_io_pend innodb_log innodb_queries
@@ -55,16 +47,29 @@ package "libcache-cache-perl"
   innodb_tnx max_mem mrr myisam_indexes network_traffic performance
   qcache qcache_mem select_types slow sorts table_definitions table_locks
   tmp_tables
-).each do |stat|
+].each do |stat|
   munin_plugin "mysql_#{stat}" do
     target "mysql_"
   end
 end
 
-%w(
+%w[
   bin_relay_log files_tables replication
-).each do |stat|
+].each do |stat|
   munin_plugin "mysql_#{stat}" do
     action :delete
   end
 end
+
+mysql_password = persistent_token("mysql", "prometheus", "password")
+
+mysql_user "prometheus" do
+  password mysql_password
+  process true
+  repl_client true
+end
+
+prometheus_exporter "mysqld" do
+  port 9104
+  environment "DATA_SOURCE_NAME" => "prometheus:#{mysql_password}@(localhost:3306)/"
+end