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 "networking"
24 passwords = data_bag_item("prometheus", "passwords")
25 tokens = data_bag_item("prometheus", "tokens")
26 admins = data_bag_item("apache", "admins")
28 prometheus_exporter "fastly" do
30 listen_switch "listen"
31 environment "FASTLY_API_TOKEN" => tokens["fastly"]
34 prometheus_exporter "fastly_healthcheck" do
37 environment "FASTLY_API_TOKEN" => tokens["fastly"]
40 prometheus_exporter "statuscake" do
44 environment "STATUSCAKE_APIKEY" => tokens["statuscake"]
47 template "/etc/prometheus/cloudwatch.yml" do
48 source "cloudwatch.yml.erb"
54 prometheus_exporter "cloudwatch" do
57 listen_switch "listen-address"
59 --config.file=/etc/prometheus/cloudwatch.yml
60 --enable-feature=aws-sdk-v2
61 --enable-feature=always-return-info-metrics
63 environment "AWS_ACCESS_KEY_ID" => "AKIASQUXHPE7JHG37EA6",
64 "AWS_SECRET_ACCESS_KEY" => tokens["cloudwatch"]
65 subscribes :restart, "template[/etc/prometheus/cloudwatch.yml]"
68 cache_dir = Chef::Config[:file_cache_path]
70 prometheus_version = "2.45.0"
71 alertmanager_version = "0.25.0"
72 karma_version = "0.114"
74 directory "/opt/prometheus-server" do
80 prometheus_arch = if arm?
86 remote_file "#{cache_dir}/prometheus.linux.tar.gz" do
87 source "https://github.com/prometheus/prometheus/releases/download/v#{prometheus_version}/prometheus-#{prometheus_version}.linux-#{prometheus_arch}.tar.gz"
94 archive_file "#{cache_dir}/prometheus.linux.tar.gz" do
96 destination "/opt/prometheus-server/prometheus"
101 subscribes :extract, "remote_file[#{cache_dir}/prometheus.linux.tar.gz]", :immediately
104 remote_file "#{cache_dir}/alertmanager.linux.tar.gz" do
105 source "https://github.com/prometheus/alertmanager/releases/download/v#{alertmanager_version}/alertmanager-#{alertmanager_version}.linux-#{prometheus_arch}.tar.gz"
112 archive_file "#{cache_dir}/alertmanager.linux.tar.gz" do
114 destination "/opt/prometheus-server/alertmanager"
119 subscribes :extract, "remote_file[#{cache_dir}/alertmanager.linux.tar.gz]", :immediately
122 remote_file "#{cache_dir}/karma-linux.tar.gz" do
123 source "https://github.com/prymitive/karma/releases/download/v#{karma_version}/karma-linux-#{prometheus_arch}.tar.gz"
130 archive_file "#{cache_dir}/karma-linux.tar.gz" do
132 destination "/opt/prometheus-server/karma"
136 subscribes :extract, "remote_file[#{cache_dir}/karma-linux.tar.gz]", :immediately
139 search(:node, "roles:gateway") do |gateway|
140 allowed_ips = gateway.ipaddresses(:role => :internal).map(&:subnet)
142 node.default[:networking][:wireguard][:peers] << {
143 :public_key => gateway[:networking][:wireguard][:public_key],
144 :allowed_ips => allowed_ips,
145 :endpoint => "#{gateway.name}:51820"
153 search(:node, "recipes:prometheus\\:\\:default").sort_by(&:name).each do |client|
154 if client[:prometheus][:mode] == "wireguard"
155 node.default[:networking][:wireguard][:peers] << {
156 :public_key => client[:networking][:wireguard][:public_key],
157 :allowed_ips => client[:networking][:wireguard][:address],
158 :endpoint => "#{client.name}:51820"
162 client[:prometheus][:exporters].each do |key, exporter|
163 if exporter.is_a?(Hash)
164 name = exporter[:name]
165 address = exporter[:address]
167 labels = Array(exporter[:labels])
168 scrape_interval = exporter[:scrape_interval]
169 scrape_timeout = exporter[:scrape_timeout]
170 metric_relabel = exporter[:metric_relabel] || []
176 scrape_interval = nil
185 :instance => client.name.split(".").first,
187 :scrape_interval => scrape_interval,
188 :scrape_timeout => scrape_timeout,
189 :metric_relabel => metric_relabel
193 Hash(client[:prometheus][:junos]).each do |instance, details|
195 :instance => instance,
196 :target => details[:address],
197 :address => client[:prometheus][:addresses]["junos"],
198 :labels => Array(details[:labels])
202 Hash(client[:prometheus][:snmp]).each do |instance, details|
204 :instance => instance,
205 :target => details[:address],
206 :modules => details[:modules],
207 :address => client[:prometheus][:addresses]["snmp"],
208 :labels => Array(details[:labels])
213 certificates = search(:node, "letsencrypt:certificates").each_with_object({}) do |n, c|
214 n[:letsencrypt][:certificates].each do |name, details|
215 c[name] ||= details.merge(:nodes => [])
219 :address => n.external_ipaddress || n.internal_ipaddress
224 template "/etc/prometheus/ssl.yml" do
229 variables :certificates => certificates
232 prometheus_exporter "ssl" do
235 options "--config.file=/etc/prometheus/ssl.yml"
236 register_target false
241 systemd_service "prometheus-executable" do
244 exec_start "/opt/prometheus-server/prometheus/prometheus --config.file=/etc/prometheus/prometheus.yml --web.enable-admin-api --web.external-url=https://prometheus.openstreetmap.org/prometheus --storage.tsdb.path=/var/lib/prometheus/metrics2 --storage.tsdb.retention.time=540d"
246 notifies :restart, "service[prometheus]"
249 template "/etc/prometheus/prometheus.yml" do
250 source "prometheus.yml.erb"
254 variables :jobs => jobs, :junos_targets => junos_targets, :snmp_targets => snmp_targets, :certificates => certificates
257 template "/etc/prometheus/alert_rules.yml" do
258 source "alert_rules.yml.erb"
264 service "prometheus" do
265 action [:enable, :start]
266 subscribes :reload, "template[/etc/prometheus/prometheus.yml]"
267 subscribes :reload, "template[/etc/prometheus/alert_rules.yml]"
268 subscribes :restart, "archive_file[#{cache_dir}/prometheus.linux.tar.gz]"
271 systemd_service "prometheus-alertmanager" do
272 description "Prometheus alert manager"
275 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"
276 exec_reload "/bin/kill -HUP $MAINPID"
279 notifies :restart, "service[prometheus-alertmanager]"
282 link "/usr/local/bin/promtool" do
283 to "/opt/prometheus-server/prometheus/promtool"
286 template "/etc/prometheus/alertmanager.yml" do
287 source "alertmanager.yml.erb"
293 directory "/var/lib/prometheus/alertmanager" do
299 service "prometheus-alertmanager" do
300 action [:enable, :start]
301 subscribes :reload, "template[/etc/prometheus/alertmanager.yml]"
302 subscribes :restart, "systemd_service[prometheus-alertmanager]"
303 subscribes :restart, "archive_file[#{cache_dir}/alertmanager.linux.tar.gz]"
306 directory "/etc/amtool" do
312 template "/etc/amtool/config.yml" do
313 source "amtool.yml.erb"
319 link "/usr/local/bin/amtool" do
320 to "/opt/prometheus-server/alertmanager/amtool"
323 template "/etc/prometheus/karma.yml" do
324 source "karma.yml.erb"
330 systemd_service "prometheus-karma" do
331 description "Alert dashboard for Prometheus Alertmanager"
333 exec_start "/opt/prometheus-server/karma/karma-linux-#{prometheus_arch} --config.file=/etc/prometheus/karma.yml"
334 sandbox :enable_network => true
338 service "prometheus-karma" do
339 action [:enable, :start]
340 subscribes :restart, "template[/etc/prometheus/karma.yml]"
341 subscribes :restart, "archive_file[#{cache_dir}/karma-linux.tar.gz]"
342 subscribes :restart, "systemd_service[prometheus-karma]"
345 package "grafana-enterprise"
347 template "/etc/grafana/grafana.ini" do
348 source "grafana.ini.erb"
352 variables :passwords => passwords
355 service "grafana-server" do
356 action [:enable, :start]
357 subscribes :restart, "template[/etc/grafana/grafana.ini]"
360 apache_module "alias"
361 apache_module "proxy_http"
362 apache_module "proxy_wstunnel"
364 ssl_certificate "prometheus.openstreetmap.org" do
365 domains ["prometheus.openstreetmap.org", "prometheus.osm.org"]
366 notifies :reload, "service[apache2]"
369 apache_site "prometheus.openstreetmap.org" do
370 template "apache.erb"
371 variables :admin_hosts => admins["hosts"]
374 template "/etc/cron.daily/prometheus-backup" do
375 source "backup.cron.erb"