2 # Cookbook:: prometheus
5 # Copyright:: 2020, OpenStreetMap Foundation
7 # Licensed under the Apache License, Version 2.0 (the "License");
8 # you may not use this file except in compliance with the License.
9 # You may obtain a copy of the License at
11 # https://www.apache.org/licenses/LICENSE-2.0
13 # Unless required by applicable law or agreed to in writing, software
14 # distributed under the License is distributed on an "AS IS" BASIS,
15 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 # See the License for the specific language governing permissions and
17 # limitations under the License.
20 include_recipe "apache"
22 include_recipe "networking"
23 include_recipe "timescaledb"
25 passwords = data_bag_item("prometheus", "passwords")
26 tokens = data_bag_item("prometheus", "tokens")
28 prometheus_exporter "fastly" do
30 listen_switch "endpoint"
32 environment "FASTLY_API_TOKEN" => tokens["fastly"]
37 prometheus-alertmanager
40 promscale_version = "0.3.0"
42 database_cluster = "#{node[:timescaledb][:database_version]}/main"
44 postgresql_user "prometheus" do
45 cluster database_cluster
49 postgresql_database "promscale" do
50 cluster database_cluster
54 directory "/opt/promscale" do
68 git "/opt/promscale/extension" do
70 repository "https://github.com/timescale/promscale_extension.git"
76 execute "/opt/promscale/extension/Makefile" do
78 command "make install"
79 cwd "/opt/promscale/extension"
82 subscribes :run, "git[/opt/promscale/extension]", :immediately
83 notifies :restart, "service[postgresql]", :immediately
86 directory "/opt/promscale/bin" do
92 remote_file "/opt/promscale/bin/promscale" do
94 source "https://github.com/timescale/promscale/releases/download/#{promscale_version}/promscale_#{promscale_version}_Linux_x86_64"
100 systemd_service "promscale" do
101 description "Promscale Connector"
104 exec_start "/opt/promscale/bin/promscale --db-host /run/postgresql --db-port 5432 --db-user prometheus --db-name promscale --db-connections-max 400"
105 # exec_start lazy { "/opt/promscale/bin/promscale --db-host /run/postgresql --db-port #{node[:postgresql][:clusters][database_cluster][:port]} --db-user prometheus --db-name promscale --db-max-connections 400" }
108 protect_system "strict"
110 no_new_privileges true
113 service "promscale" do
114 action [:enable, :start]
115 subscribes :restart, "remote_file[/opt/promscale/bin/promscale]"
116 subscribes :restart, "systemd_service[promscale]"
119 systemd_service "promscale-maintenance" do
120 description "Promscale Maintenace"
123 exec_start "/usr/bin/psql --command='CALL prom_api.execute_maintenance()' promscale"
125 protect_system "strict"
127 no_new_privileges true
130 systemd_timer "promscale-maintenance" do
131 description "Promscale Maintenace"
133 on_unit_inactive_sec 1800
136 service "promscale-maintenance.timer" do
137 action [:enable, :start]
140 search(:node, "roles:gateway") do |gateway|
141 allowed_ips = gateway.interfaces(:role => :internal).map do |interface|
142 "#{interface[:network]}/#{interface[:prefix]}"
145 node.default[:networking][:wireguard][:peers] << {
146 :public_key => gateway[:networking][:wireguard][:public_key],
147 :allowed_ips => allowed_ips,
148 :endpoint => "#{gateway.name}:51820"
155 search(:node, "recipes:prometheus\\:\\:default").sort_by(&:name).each do |client|
156 if client[:prometheus][:mode] == "wireguard"
157 node.default[:networking][:wireguard][:peers] << {
158 :public_key => client[:networking][:wireguard][:public_key],
159 :allowed_ips => client[:networking][:wireguard][:address],
160 :endpoint => "#{client.name}:51820"
164 client[:prometheus][:exporters].each do |key, exporter|
165 if exporter.is_a?(Hash)
166 name = exporter[:name]
167 address = exporter[:address]
168 metric_relabel = exporter[:metric_relabel] || []
178 :instance => client.name.split(".").first,
179 :metric_relabel => metric_relabel
183 Hash(client[:prometheus][:snmp]).each do |instance, details|
185 :instance => instance,
186 :target => details[:address],
187 :module => details[:module],
188 :address => client[:prometheus][:addresses]["snmp"],
189 :labels => Array(details[:labels])
194 certificates = search(:node, "letsencrypt:certificates").each_with_object({}) do |n, c|
195 n[:letsencrypt][:certificates].each do |name, details|
196 c[name] ||= details.merge(:nodes => [])
200 :address => n.external_ipaddress || n.internal_ipaddress
205 template "/etc/prometheus/ssl.yml" do
210 variables :certificates => certificates
213 prometheus_exporter "ssl" do
216 options "--config.file=/etc/prometheus/ssl.yml"
217 register_target false
220 template "/etc/default/prometheus" do
221 source "default.prometheus.erb"
227 template "/etc/prometheus/prometheus.yml" do
228 source "prometheus.yml.erb"
232 variables :jobs => jobs, :snmp_targets => snmp_targets, :certificates => certificates
235 template "/etc/prometheus/alert_rules.yml" do
236 source "alert_rules.yml.erb"
242 service "prometheus" do
243 action [:enable, :start]
244 subscribes :restart, "template[/etc/default/prometheus]"
245 subscribes :reload, "template[/etc/prometheus/prometheus.yml]"
246 subscribes :reload, "template[/etc/prometheus/alert_rules.yml]"
249 template "/etc/default/prometheus-alertmanager" do
250 source "default.alertmanager.erb"
256 template "/etc/prometheus/alertmanager.yml" do
257 source "alertmanager.yml.erb"
263 service "prometheus-alertmanager" do
264 action [:enable, :start]
265 subscribes :restart, "template[/etc/default/prometheus-alertmanager]"
266 subscribes :reload, "template[/etc/prometheus/alertmanager.yml]"
269 template "/etc/prometheus/amtool.yml" do
270 source "amtool.yml.erb"
276 package "grafana-enterprise"
278 template "/etc/grafana/grafana.ini" do
279 source "grafana.ini.erb"
283 variables :passwords => passwords
286 service "grafana-server" do
287 action [:enable, :start]
288 subscribes :restart, "template[/etc/grafana/grafana.ini]"
291 apache_module "alias"
292 apache_module "proxy_http"
294 ssl_certificate "prometheus.openstreetmap.org" do
295 domains ["prometheus.openstreetmap.org", "prometheus.osm.org"]
296 notifies :reload, "service[apache2]"
299 apache_site "prometheus.openstreetmap.org" do
300 template "apache.erb"
303 template "/etc/cron.daily/prometheus-backup" do
304 source "backup.cron.erb"