+
+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
+ scrape_interval "1m"
+ scrape_timeout "1m"
+ 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"
+ restrict_address_families "AF_UNIX"
+ subscribes :restart, "template[/etc/prometheus/exporters/postgres_queries.yml]"
+end