X-Git-Url: https://git.openstreetmap.org./chef.git/blobdiff_plain/aeaa46f3071de018b5c5e0f5678cb5b4082e3ddc..7eb3680b81fdf339e466d9279584805f17a54c0f:/cookbooks/postgresql/recipes/default.rb

diff --git a/cookbooks/postgresql/recipes/default.rb b/cookbooks/postgresql/recipes/default.rb
index 4e5068712..47ec3e80b 100644
--- a/cookbooks/postgresql/recipes/default.rb
+++ b/cookbooks/postgresql/recipes/default.rb
@@ -19,6 +19,7 @@
 
 include_recipe "apt"
 include_recipe "munin"
+include_recipe "prometheus"
 
 package "locales-all"
 package "postgresql-common"
@@ -152,3 +153,24 @@ clusters.each do |name, details|
     conf_variables :port => details[:port]
   end
 end
+
+uris = clusters.collect do |_, details|
+  "postgres@:#{details[:port]}/postgres?host=/run/postgresql"
+end
+
+template "/etc/prometheus/exporters/postgres_queries.yml" do
+  source "postgres_queries.yml.erb"
+  owner "root"
+  group "root"
+  mode "644"
+end
+
+prometheus_exporter "postgres" do
+  port 9187
+  user "postgres"
+  options "--extend.query-path=/etc/prometheus/exporters/postgres_queries.yml"
+  environment "DATA_SOURCE_URI" => uris.sort.uniq.first,
+              "PG_EXPORTER_AUTO_DISCOVER_DATABASES" => "true",
+              "PG_EXPORTER_EXCLUDE_DATABASES" => "postgres,template0,template1"
+  subscribes :restart, "template[/etc/prometheus/exporters/postgres_queries.yml]"
+end