+ prometheus_suffix = name.tr("/", "-")
+ prometheus_database = node[:postgresql][:monitor_database]
+
+ postgresql_user "prometheus" do
+ cluster name
+ password passwords["prometheus"]
+ roles "pg_monitor"
+ not_if { ::File.exist?("/var/lib/postgresql/#{name}/standby.signal") }
+ end
+
+ prometheus_exporter "postgres" do
+ port 10000 + details[:port].to_i
+ service "postgres-#{prometheus_suffix}"
+ labels "cluster" => name
+ scrape_interval "1m"
+ scrape_timeout "1m"
+ options %w[
+ --collector.database_wraparound
+ --collector.long_running_transactions
+ --collector.process_idle
+ --collector.stat_activity_autovacuum
+ --collector.stat_wal_receiver
+ --collector.statio_user_indexes
+ ]
+ environment "DATA_SOURCE_NAME" => "postgres:///#{prometheus_database}?host=/run/postgresql&port=#{details[:port]}&user=prometheus&password=#{passwords['prometheus']}"
+ restrict_address_families "AF_UNIX"
+ subscribes :restart, "template[/etc/prometheus/exporters/postgres_queries.yml]"
+ end
+
+ if node[:postgresql][:monitor_queries]
+ template "/etc/prometheus/exporters/sql_exporter.yml" do
+ source "sql_exporter.yml.erb"
+ owner "root"
+ group "root"
+ mode "644"
+ end
+
+ prometheus_exporter "sql" do
+ port 20000 + details[:port].to_i
+ service "sql-#{prometheus_suffix}"
+ labels "cluster" => name
+ scrape_interval "1m"
+ scrape_timeout "1m"
+ options "--config.file=/etc/prometheus/exporters/sql_exporter.yml"
+ environment "SQLEXPORTER_TARGET_DSN" => "postgres://prometheus:#{passwords['prometheus']}@/run/postgresql:#{details[:port]}/#{prometheus_database}"
+ restrict_address_families "AF_UNIX"
+ subscribes :restart, "template[/etc/prometheus/exporters/sql_exporter.yml]"
+ end
+ else
+ prometheus_exporter "sql" do
+ action :delete
+ service "sql-#{prometheus_suffix}"
+ end
+
+ file "/etc/prometheus/exporters/sql_exporter.yml" do
+ action :delete
+ end
+ end
+
+ munin_suffix = name.tr("/", ":")