From: Tom Hughes <tom@compton.nu>
Date: Wed, 18 Nov 2020 22:29:08 +0000 (+0000)
Subject: Configure prometheus monitoring for mysql
X-Git-Url: https://git.openstreetmap.org./chef.git/commitdiff_plain/d8d084648bf4378681327622bd0561740bf3739b

Configure prometheus monitoring for mysql
---

diff --git a/cookbooks/mysql/metadata.rb b/cookbooks/mysql/metadata.rb
index 6dd2041bb..4f94d6099 100644
--- a/cookbooks/mysql/metadata.rb
+++ b/cookbooks/mysql/metadata.rb
@@ -6,4 +6,6 @@ description       "Installs and configures mysql"
 
 version           "1.0.0"
 supports          "ubuntu"
+depends           "chef"
 depends           "munin"
+depends           "prometheus"
diff --git a/cookbooks/mysql/recipes/default.rb b/cookbooks/mysql/recipes/default.rb
index 99c086519..d0d7b1679 100644
--- a/cookbooks/mysql/recipes/default.rb
+++ b/cookbooks/mysql/recipes/default.rb
@@ -18,6 +18,7 @@
 #
 
 include_recipe "munin"
+include_recipe "prometheus"
 
 package "mysql-server"
 package "mysql-client"
@@ -59,3 +60,16 @@ end
     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