template "ohai.rb.erb"
end
-template "/etc/prometheus/exporters/postgres_queries.yml" do
- source "postgres_queries.yml.erb"
- owner "root"
- group "root"
- mode "644"
-end
-
package "pgtop"
package "libdbd-pg-perl"
clusters = node[:postgresql][:clusters] || []
+passwords = data_bag_item("postgresql", "passwords")
clusters.each do |name, details|
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"
- user "postgres"
- options "--no-collector.process_idle --extend.query-path=/etc/prometheus/exporters/postgres_queries.yml"
- environment "DATA_SOURCE_NAME" => "postgres:///#{prometheus_database}?host=/run/postgresql&port=#{details[:port]}"
+ 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"
- remove_ipc false
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("/", ":")
munin_plugin "postgres_bgwriter_#{munin_suffix}" do
conf_variables :port => details[:port]
end
end
-
-service "prometheus-postgres-exporter" do
- action [:stop, :disable]
-end
-
-systemd_service "prometheus-postgres-exporter" do
- action :delete
-end