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"
21 include_recipe "apt::grafana"
22 include_recipe "apt::timescaledb"
23 include_recipe "networking"
24 include_recipe "timescaledb"
26 passwords = data_bag_item("prometheus", "passwords")
27 tokens = data_bag_item("prometheus", "tokens")
28 admins = data_bag_item("apache", "admins")
30 prometheus_exporter "fastly" do
32 listen_switch "listen"
33 environment "FASTLY_API_TOKEN" => tokens["fastly"]
36 prometheus_exporter "fastly_healthcheck" do
39 environment "FASTLY_API_TOKEN" => tokens["fastly"]
42 prometheus_exporter "statuscake" do
46 environment "STATUSCAKE_APIKEY" => tokens["statuscake"]
49 cache_dir = Chef::Config[:file_cache_path]
51 prometheus_version = "2.41.0"
52 alertmanager_version = "0.24.0"
53 karma_version = "0.111"
55 directory "/opt/prometheus-server" do
61 remote_file "#{cache_dir}/prometheus.linux-amd64.tar.gz" do
62 source "https://github.com/prometheus/prometheus/releases/download/v#{prometheus_version}/prometheus-#{prometheus_version}.linux-amd64.tar.gz"
69 archive_file "#{cache_dir}/prometheus.linux-amd64.tar.gz" do
71 destination "/opt/prometheus-server/prometheus"
76 subscribes :extract, "remote_file[#{cache_dir}/prometheus.linux-amd64.tar.gz]", :immediately
79 remote_file "#{cache_dir}/alertmanager.linux-amd64.tar.gz" do
80 source "https://github.com/prometheus/alertmanager/releases/download/v#{alertmanager_version}/alertmanager-#{alertmanager_version}.linux-amd64.tar.gz"
87 archive_file "#{cache_dir}/alertmanager.linux-amd64.tar.gz" do
89 destination "/opt/prometheus-server/alertmanager"
94 subscribes :extract, "remote_file[#{cache_dir}/alertmanager.linux-amd64.tar.gz]", :immediately
97 remote_file "#{cache_dir}/karma-linux-amd64.tar.gz" do
98 source "https://github.com/prymitive/karma/releases/download/v#{karma_version}/karma-linux-amd64.tar.gz"
105 archive_file "#{cache_dir}/karma-linux-amd64.tar.gz" do
107 destination "/opt/prometheus-server/karma"
111 subscribes :extract, "remote_file[#{cache_dir}/karma-linux-amd64.tar.gz]", :immediately
114 promscale_version = "0.17.0"
115 promscale_extension_version = "0.8.0-1"
117 database_version = node[:timescaledb][:database_version]
118 database_cluster = "#{database_version}/main"
122 promscale-extension-postgresql-#{database_version}
125 package "promscale-extension-postgresql-#{database_version}" do
126 version promscale_extension_version
129 apt_preference "promscale-extension-postgresql" do
130 pin "version #{promscale_extension_version}"
134 postgresql_user "prometheus" do
135 cluster database_cluster
139 postgresql_database "promscale" do
140 cluster database_cluster
144 directory "/opt/promscale" do
150 directory "/opt/promscale/bin" do
156 remote_file "/opt/promscale/bin/promscale" do
158 source "https://github.com/timescale/promscale/releases/download/#{promscale_version}/promscale_#{promscale_version}_Linux_x86_64"
164 systemd_service "promscale" do
165 description "Promscale Connector"
168 exec_start "/opt/promscale/bin/promscale --db.uri postgresql:///promscale?host=/run/postgresql&port=5432 --db.connections-max 400"
170 sandbox :enable_network => true
171 restrict_address_families "AF_UNIX"
174 if node[:prometheus][:promscale]
175 service "promscale" do
176 action [:enable, :start]
177 subscribes :restart, "remote_file[/opt/promscale/bin/promscale]"
178 subscribes :restart, "systemd_service[promscale]"
181 service "promscale" do
182 action [:disable, :stop]
186 search(:node, "roles:gateway") do |gateway|
187 allowed_ips = gateway.ipaddresses(:role => :internal).map(&:subnet)
189 node.default[:networking][:wireguard][:peers] << {
190 :public_key => gateway[:networking][:wireguard][:public_key],
191 :allowed_ips => allowed_ips,
192 :endpoint => "#{gateway.name}:51820"
199 search(:node, "recipes:prometheus\\:\\:default").sort_by(&:name).each do |client|
200 if client[:prometheus][:mode] == "wireguard"
201 node.default[:networking][:wireguard][:peers] << {
202 :public_key => client[:networking][:wireguard][:public_key],
203 :allowed_ips => client[:networking][:wireguard][:address],
204 :endpoint => "#{client.name}:51820"
208 client[:prometheus][:exporters].each do |key, exporter|
209 if exporter.is_a?(Hash)
210 name = exporter[:name]
211 address = exporter[:address]
213 scrape_interval = exporter[:scrape_interval]
214 scrape_timeout = exporter[:scrape_timeout]
215 metric_relabel = exporter[:metric_relabel] || []
220 scrape_interval = nil
229 :instance => client.name.split(".").first,
230 :scrape_interval => scrape_interval,
231 :scrape_timeout => scrape_timeout,
232 :metric_relabel => metric_relabel
236 Hash(client[:prometheus][:snmp]).each do |instance, details|
238 :instance => instance,
239 :target => details[:address],
240 :modules => details[:modules],
241 :address => client[:prometheus][:addresses]["snmp"],
242 :labels => Array(details[:labels])
247 certificates = search(:node, "letsencrypt:certificates").each_with_object({}) do |n, c|
248 n[:letsencrypt][:certificates].each do |name, details|
249 c[name] ||= details.merge(:nodes => [])
253 :address => n.external_ipaddress || n.internal_ipaddress
258 template "/etc/prometheus/ssl.yml" do
263 variables :certificates => certificates
266 prometheus_exporter "ssl" do
269 options "--config.file=/etc/prometheus/ssl.yml"
270 register_target false
273 systemd_service "prometheus-executable" do
276 exec_start "/opt/prometheus-server/prometheus/prometheus --config.file=/etc/prometheus/prometheus.yml --web.external-url=https://prometheus.openstreetmap.org/prometheus --storage.tsdb.path=/var/lib/prometheus/metrics2 --storage.tsdb.retention.time=540d"
278 notifies :restart, "service[prometheus]"
281 template "/etc/prometheus/prometheus.yml" do
282 source "prometheus.yml.erb"
286 variables :jobs => jobs, :snmp_targets => snmp_targets, :certificates => certificates
289 template "/etc/prometheus/alert_rules.yml" do
290 source "alert_rules.yml.erb"
296 service "prometheus" do
297 action [:enable, :start]
298 subscribes :reload, "template[/etc/prometheus/prometheus.yml]"
299 subscribes :reload, "template[/etc/prometheus/alert_rules.yml]"
300 subscribes :restart, "archive_file[#{cache_dir}/prometheus.linux-amd64.tar.gz]"
303 systemd_service "prometheus-alertmanager" do
304 description "Prometheus alert manager"
307 exec_start "/opt/prometheus-server/alertmanager/alertmanager --config.file=/etc/prometheus/alertmanager.yml --storage.path=/var/lib/prometheus/alertmanager --web.external-url=https://prometheus.openstreetmap.org/alertmanager"
308 exec_reload "/bin/kill -HUP $MAINPID"
311 notifies :restart, "service[prometheus-alertmanager]"
314 link "/usr/local/bin/promtool" do
315 to "/opt/prometheus-server/prometheus/promtool"
318 template "/etc/prometheus/alertmanager.yml" do
319 source "alertmanager.yml.erb"
325 directory "/var/lib/prometheus/alertmanager" do
331 service "prometheus-alertmanager" do
332 action [:enable, :start]
333 subscribes :reload, "template[/etc/prometheus/alertmanager.yml]"
334 subscribes :restart, "systemd_service[prometheus-alertmanager]"
335 subscribes :restart, "archive_file[#{cache_dir}/alertmanager.linux-amd64.tar.gz]"
338 directory "/etc/amtool" do
344 template "/etc/amtool/config.yml" do
345 source "amtool.yml.erb"
351 link "/usr/local/bin/amtool" do
352 to "/opt/prometheus-server/alertmanager/amtool"
355 template "/etc/prometheus/karma.yml" do
356 source "karma.yml.erb"
362 systemd_service "prometheus-karma" do
363 description "Alert dashboard for Prometheus Alertmanager"
365 exec_start "/opt/prometheus-server/karma/karma-linux-amd64 --config.file=/etc/prometheus/karma.yml"
366 sandbox :enable_network => true
370 service "prometheus-karma" do
371 action [:enable, :start]
372 subscribes :restart, "template[/etc/prometheus/karma.yml]"
373 subscribes :restart, "archive_file[#{cache_dir}/karma-linux-amd64.tar.gz]"
374 subscribes :restart, "systemd_service[prometheus-karma]"
377 package "grafana-enterprise"
379 template "/etc/grafana/grafana.ini" do
380 source "grafana.ini.erb"
384 variables :passwords => passwords
387 service "grafana-server" do
388 action [:enable, :start]
389 subscribes :restart, "template[/etc/grafana/grafana.ini]"
392 apache_module "alias"
393 apache_module "proxy_http"
395 ssl_certificate "prometheus.openstreetmap.org" do
396 domains ["prometheus.openstreetmap.org", "prometheus.osm.org"]
397 notifies :reload, "service[apache2]"
400 apache_site "prometheus.openstreetmap.org" do
401 template "apache.erb"
402 variables :admin_hosts => admins["hosts"]
405 template "/etc/cron.daily/prometheus-backup" do
406 source "backup.cron.erb"