#
include_recipe "apt::postgresql"
-include_recipe "munin"
include_recipe "prometheus"
package "locales-all"
template "ohai.rb.erb"
end
-file "/etc/prometheus/exporters/postgres_queries.yml" do
- action :delete
-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 %w[
--collector.database_wraparound
--collector.long_running_transactions
--collector.stat_wal_receiver
--collector.statio_user_indexes
]
- environment "DATA_SOURCE_NAME" => "postgres:///#{prometheus_database}?host=/run/postgresql&port=#{details[:port]}"
+ 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
- munin_suffix = name.tr("/", ":")
-
- munin_plugin "postgres_bgwriter_#{munin_suffix}" do
- target "postgres_bgwriter"
- conf "munin.erb"
- conf_variables :port => details[:port]
- end
-
- munin_plugin "postgres_checkpoints_#{munin_suffix}" do
- target "postgres_checkpoints"
- conf "munin.erb"
- conf_variables :port => details[:port]
- end
-
- munin_plugin "postgres_connections_db_#{munin_suffix}" do
- target "postgres_connections_db"
- conf "munin.erb"
- conf_variables :port => details[:port]
- end
-
- munin_plugin "postgres_users_#{munin_suffix}" do
- target "postgres_users"
- conf "munin.erb"
- conf_variables :port => details[:port]
- end
-
- munin_plugin "postgres_xlog_#{munin_suffix}" do
- target "postgres_xlog"
- conf "munin.erb"
- conf_variables :port => details[:port]
- 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
- next unless File.exist?("/var/lib/postgresql/#{details[:version]}/main/recovery.conf")
+ 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
- munin_plugin "postgres_replication_#{munin_suffix}" do
- target "postgres_replication"
- conf "munin.erb"
- conf_variables :port => details[:port]
+ file "/etc/prometheus/exporters/sql_exporter.yml" do
+ action :delete
+ end
end
end
-
-service "prometheus-postgres-exporter" do
- action [:stop, :disable]
-end
-
-systemd_service "prometheus-postgres-exporter" do
- action :delete
-end