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 = "2.38.0"
52 alertmanager_version = "0.24.0"
53 karma_version = "0.108"
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]"
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]"
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]"
114 promscale_version = "0.14.0"
116 database_version = node[:timescaledb][:database_version]
117 database_cluster = "#{database_version}/main"
121 prometheus-alertmanager
122 promscale-extension-postgresql-#{database_version}
125 postgresql_user "prometheus" do
126 cluster database_cluster
130 postgresql_database "promscale" do
131 cluster database_cluster
135 directory "/opt/promscale" do
141 directory "/opt/promscale/bin" do
147 remote_file "/opt/promscale/bin/promscale" do
149 source "https://github.com/timescale/promscale/releases/download/#{promscale_version}/promscale_#{promscale_version}_Linux_x86_64"
155 systemd_service "promscale" do
156 description "Promscale Connector"
159 exec_start "/opt/promscale/bin/promscale --db.uri postgresql:///promscale?host=/run/postgresql&port=5432 --db.connections-max 400"
162 protect_system "strict"
164 no_new_privileges true
167 if node[:prometheus][:promscale]
168 service "promscale" do
169 action [:enable, :start]
170 subscribes :restart, "remote_file[/opt/promscale/bin/promscale]"
171 subscribes :restart, "systemd_service[promscale]"
174 service "promscale" do
175 action [:disable, :stop]
179 search(:node, "roles:gateway") do |gateway|
180 allowed_ips = gateway.interfaces(:role => :internal).map do |interface|
181 "#{interface[:network]}/#{interface[:prefix]}"
184 node.default[:networking][:wireguard][:peers] << {
185 :public_key => gateway[:networking][:wireguard][:public_key],
186 :allowed_ips => allowed_ips,
187 :endpoint => "#{gateway.name}:51820"
194 search(:node, "recipes:prometheus\\:\\:default").sort_by(&:name).each do |client|
195 if client[:prometheus][:mode] == "wireguard"
196 node.default[:networking][:wireguard][:peers] << {
197 :public_key => client[:networking][:wireguard][:public_key],
198 :allowed_ips => client[:networking][:wireguard][:address],
199 :endpoint => "#{client.name}:51820"
203 client[:prometheus][:exporters].each do |key, exporter|
204 if exporter.is_a?(Hash)
205 name = exporter[:name]
206 address = exporter[:address]
208 scrape_interval = exporter[:scrape_interval]
209 scrape_timeout = exporter[:scrape_timeout]
210 metric_relabel = exporter[:metric_relabel] || []
215 scrape_interval = nil
224 :instance => client.name.split(".").first,
225 :scrape_interval => scrape_interval,
226 :scrape_timeout => scrape_timeout,
227 :metric_relabel => metric_relabel
231 Hash(client[:prometheus][:snmp]).each do |instance, details|
233 :instance => instance,
234 :target => details[:address],
235 :modules => details[:modules],
236 :address => client[:prometheus][:addresses]["snmp"],
237 :labels => Array(details[:labels])
242 certificates = search(:node, "letsencrypt:certificates").each_with_object({}) do |n, c|
243 n[:letsencrypt][:certificates].each do |name, details|
244 c[name] ||= details.merge(:nodes => [])
248 :address => n.external_ipaddress || n.internal_ipaddress
253 template "/etc/prometheus/ssl.yml" do
258 variables :certificates => certificates
261 prometheus_exporter "ssl" do
264 options "--config.file=/etc/prometheus/ssl.yml"
265 register_target false
268 systemd_service "prometheus-executable" do
271 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=30d"
273 notifies :restart, "service[prometheus]"
276 template "/etc/prometheus/prometheus.yml" do
277 source "prometheus.yml.erb"
281 variables :jobs => jobs, :snmp_targets => snmp_targets, :certificates => certificates
284 template "/etc/prometheus/alert_rules.yml" do
285 source "alert_rules.yml.erb"
291 service "prometheus" do
292 action [:enable, :start]
293 subscribes :reload, "template[/etc/prometheus/prometheus.yml]"
294 subscribes :reload, "template[/etc/prometheus/alert_rules.yml]"
295 subscribes :restart, "archive_file[#{cache_dir}/prometheus.linux-amd64.tar.gz]"
298 systemd_service "prometheus-alertmanager-executable" do
299 service "prometheus-alertmanager"
301 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"
302 notifies :restart, "service[prometheus-alertmanager]"
305 link "/usr/local/bin/promtool" do
306 to "/opt/prometheus-server/prometheus/promtool"
309 template "/etc/prometheus/alertmanager.yml" do
310 source "alertmanager.yml.erb"
316 service "prometheus-alertmanager" do
317 action [:enable, :start]
318 subscribes :reload, "template[/etc/prometheus/alertmanager.yml]"
319 subscribes :restart, "archive_file[#{cache_dir}/alertmanager.linux-amd64.tar.gz]"
322 directory "/etc/amtool" do
328 template "/etc/amtool/config.yml" do
329 source "amtool.yml.erb"
335 link "/usr/local/bin/amtool" do
336 to "/opt/prometheus-server/alertmanager/amtool"
339 template "/etc/prometheus/karma.yml" do
340 source "karma.yml.erb"
346 systemd_service "prometheus-karma" do
347 description "Alert dashboard for Prometheus Alertmanager"
349 exec_start "/opt/prometheus-server/karma/karma-linux-amd64 --config.file=/etc/prometheus/karma.yml"
352 protect_system "full"
354 no_new_privileges true
358 service "prometheus-karma" do
359 action [:enable, :start]
360 subscribes :reload, "template[/etc/prometheus/karma.yml]"
361 subscribes :restart, "archive_file[#{cache_dir}/karma-linux-amd64.tar.gz]"
364 package "grafana-enterprise"
366 template "/etc/grafana/grafana.ini" do
367 source "grafana.ini.erb"
371 variables :passwords => passwords
374 service "grafana-server" do
375 action [:enable, :start]
376 subscribes :restart, "template[/etc/grafana/grafana.ini]"
379 apache_module "alias"
380 apache_module "proxy_http"
382 ssl_certificate "prometheus.openstreetmap.org" do
383 domains ["prometheus.openstreetmap.org", "prometheus.osm.org"]
384 notifies :reload, "service[apache2]"
387 apache_site "prometheus.openstreetmap.org" do
388 template "apache.erb"
389 variables :admin_hosts => admins["hosts"]
392 template "/etc/cron.daily/prometheus-backup" do
393 source "backup.cron.erb"