include_recipe "apache"
include_recipe "apt"
+include_recipe "networking"
+include_recipe "timescaledb"
passwords = data_bag_item("prometheus", "passwords")
+tokens = data_bag_item("prometheus", "tokens")
+admins = data_bag_item("apache", "admins")
-package "prometheus"
+prometheus_exporter "fastly" do
+ port 8080
+ listen_switch "endpoint"
+ listen_type "url"
+ environment "FASTLY_API_TOKEN" => tokens["fastly"]
+end
+
+cache_dir = Chef::Config[:file_cache_path]
+
+prometheus_version = "2.31.1"
+alertmanager_version = "0.23.0"
+karma_version = "0.93"
+
+directory "/opt/prometheus-server" do
+ owner "root"
+ group "root"
+ mode "755"
+end
+
+remote_file "#{cache_dir}/prometheus.linux-amd64.tar.gz" do
+ source "https://github.com/prometheus/prometheus/releases/download/v#{prometheus_version}/prometheus-#{prometheus_version}.linux-amd64.tar.gz"
+ owner "root"
+ group "root"
+ mode "644"
+ backup false
+end
+
+archive_file "#{cache_dir}/prometheus.linux-amd64.tar.gz" do
+ action :nothing
+ destination "/opt/prometheus-server/prometheus"
+ overwrite true
+ strip_components 1
+ owner "root"
+ group "root"
+ subscribes :extract, "remote_file[#{cache_dir}/prometheus.linux-amd64.tar.gz]"
+end
+
+remote_file "#{cache_dir}/alertmanager.linux-amd64.tar.gz" do
+ source "https://github.com/prometheus/alertmanager/releases/download/v#{alertmanager_version}/alertmanager-#{alertmanager_version}.linux-amd64.tar.gz"
+ owner "root"
+ group "root"
+ mode "644"
+ backup false
+end
+
+archive_file "#{cache_dir}/alertmanager.linux-amd64.tar.gz" do
+ action :nothing
+ destination "/opt/prometheus-server/alertmanager"
+ overwrite true
+ strip_components 1
+ owner "root"
+ group "root"
+ subscribes :extract, "remote_file[#{cache_dir}/alertmanager.linux-amd64.tar.gz]"
+end
+
+remote_file "#{cache_dir}/karma-linux-amd64.tar.gz" do
+ source "https://github.com/prymitive/karma/releases/download/v#{karma_version}/karma-linux-amd64.tar.gz"
+ owner "root"
+ group "root"
+ mode "644"
+ backup false
+end
+
+archive_file "#{cache_dir}/karma-linux-amd64.tar.gz" do
+ action :nothing
+ destination "/opt/prometheus-server/karma"
+ overwrite true
+ owner "root"
+ group "root"
+ subscribes :extract, "remote_file[#{cache_dir}/karma-linux-amd64.tar.gz]"
+end
+
+package %w[
+ prometheus
+ prometheus-alertmanager
+]
+
+promscale_version = "0.10.0"
+promscale_extension_version = "0.3.2"
+
+database_version = node[:timescaledb][:database_version]
+database_cluster = "#{database_version}/main"
+
+postgresql_user "prometheus" do
+ cluster database_cluster
+ superuser true
+end
+
+postgresql_database "promscale" do
+ cluster database_cluster
+ owner "prometheus"
+end
+
+directory "/opt/promscale" do
+ owner "root"
+ group "root"
+ mode "755"
+end
+
+remote_file "#{cache_dir}/promscale_extension.pg#{database_version}.x86_64.deb" do
+ source "https://github.com/timescale/promscale_extension/releases/download/#{promscale_extension_version}/promscale_extension-#{promscale_extension_version}.pg#{database_version}.x86_64.deb"
+ owner "root"
+ group "root"
+ mode "644"
+ backup false
+end
+
+dpkg_package "promscale-extension-postgresql-#{database_version}" do
+ source "#{cache_dir}/promscale_extension.pg#{database_version}.x86_64.deb"
+ version "#{promscale_extension_version}-1"
+end
+
+directory "/opt/promscale/bin" do
+ owner "root"
+ group "root"
+ mode "755"
+end
+
+remote_file "/opt/promscale/bin/promscale" do
+ action :create
+ source "https://github.com/timescale/promscale/releases/download/#{promscale_version}/promscale_#{promscale_version}_Linux_x86_64"
+ owner "root"
+ group "root"
+ mode "755"
+end
+
+systemd_service "promscale" do
+ description "Promscale Connector"
+ type "simple"
+ user "prometheus"
+ exec_start "/opt/promscale/bin/promscale --db.uri postgresql:///promscale?host=/run/postgresql&port=5432 --db.connections-max 400"
+ limit_nofile 16384
+ private_tmp true
+ protect_system "strict"
+ protect_home true
+ no_new_privileges true
+end
+
+if node[:prometheus][:promscale]
+ service "promscale" do
+ action [:enable, :start]
+ subscribes :restart, "remote_file[/opt/promscale/bin/promscale]"
+ subscribes :restart, "systemd_service[promscale]"
+ end
+else
+ service "promscale" do
+ action [:disable, :stop]
+ end
+end
+
+search(:node, "roles:gateway") do |gateway|
+ allowed_ips = gateway.interfaces(:role => :internal).map do |interface|
+ "#{interface[:network]}/#{interface[:prefix]}"
+ end
+
+ node.default[:networking][:wireguard][:peers] << {
+ :public_key => gateway[:networking][:wireguard][:public_key],
+ :allowed_ips => allowed_ips,
+ :endpoint => "#{gateway.name}:51820"
+ }
+end
+
+jobs = {}
+snmp_targets = []
+
+search(:node, "recipes:prometheus\\:\\:default").sort_by(&:name).each do |client|
+ if client[:prometheus][:mode] == "wireguard"
+ node.default[:networking][:wireguard][:peers] << {
+ :public_key => client[:networking][:wireguard][:public_key],
+ :allowed_ips => client[:networking][:wireguard][:address],
+ :endpoint => "#{client.name}:51820"
+ }
+ end
-clients = search(:node, "recipes:prometheus\\:\\:default").sort_by(&:name)
+ client[:prometheus][:exporters].each do |key, exporter|
+ if exporter.is_a?(Hash)
+ name = exporter[:name]
+ address = exporter[:address]
+ sni = exporter[:sni]
+ metric_relabel = exporter[:metric_relabel] || []
+ else
+ name = key
+ address = exporter
+ sni = nil
+ metric_relabel = []
+ end
-prometheus_jobs = clients.each_with_object({}) do |client, jobs|
- client[:prometheus][:exporters].each do |name, address|
jobs[name] ||= []
- jobs[name] << address
+ jobs[name] << {
+ :address => address,
+ :sni => sni,
+ :instance => client.name.split(".").first,
+ :metric_relabel => metric_relabel
+ }
+ end
+
+ Hash(client[:prometheus][:snmp]).each do |instance, details|
+ snmp_targets << {
+ :instance => instance,
+ :target => details[:address],
+ :module => details[:module],
+ :address => client[:prometheus][:addresses]["snmp"],
+ :labels => Array(details[:labels])
+ }
end
end
+certificates = search(:node, "letsencrypt:certificates").each_with_object({}) do |n, c|
+ n[:letsencrypt][:certificates].each do |name, details|
+ c[name] ||= details.merge(:nodes => [])
+
+ c[name][:nodes] << {
+ :name => n[:fqdn],
+ :address => n.external_ipaddress || n.internal_ipaddress
+ }
+ end
+end
+
+template "/etc/prometheus/ssl.yml" do
+ source "ssl.yml.erb"
+ owner "root"
+ group "root"
+ mode "644"
+ variables :certificates => certificates
+end
+
+prometheus_exporter "ssl" do
+ address "127.0.0.1"
+ port 9219
+ options "--config.file=/etc/prometheus/ssl.yml"
+ register_target false
+end
+
+systemd_service "prometheus-executable" do
+ service "prometheus"
+ dropin "executable"
+ 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"
+ notifies :restart, "service[prometheus]"
+end
+
template "/etc/prometheus/prometheus.yml" do
source "prometheus.yml.erb"
owner "root"
group "root"
mode "644"
- variables :jobs => prometheus_jobs
+ variables :jobs => jobs, :snmp_targets => snmp_targets, :certificates => certificates
+end
+
+template "/etc/prometheus/alert_rules.yml" do
+ source "alert_rules.yml.erb"
+ owner "root"
+ group "root"
+ mode "644"
end
service "prometheus" do
action [:enable, :start]
subscribes :reload, "template[/etc/prometheus/prometheus.yml]"
+ subscribes :reload, "template[/etc/prometheus/alert_rules.yml]"
+ subscribes :restart, "archive_file[#{cache_dir}/prometheus.linux-amd64.tar.gz]"
+end
+
+systemd_service "prometheus-alertmanager-executable" do
+ service "prometheus-alertmanager"
+ dropin "executable"
+ 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"
+ notifies :restart, "service[prometheus-alertmanager]"
+end
+
+template "/etc/prometheus/alertmanager.yml" do
+ source "alertmanager.yml.erb"
+ owner "root"
+ group "root"
+ mode "644"
+end
+
+service "prometheus-alertmanager" do
+ action [:enable, :start]
+ subscribes :reload, "template[/etc/prometheus/alertmanager.yml]"
+ subscribes :restart, "archive_file[#{cache_dir}/alertmanager.linux-amd64.tar.gz]"
+end
+
+template "/etc/prometheus/amtool.yml" do
+ source "amtool.yml.erb"
+ owner "root"
+ group "root"
+ mode "644"
+end
+
+template "/etc/prometheus/karma.yml" do
+ source "karma.yml.erb"
+ owner "root"
+ group "root"
+ mode "644"
+end
+
+systemd_service "prometheus-karma" do
+ description "Alert dashboard for Prometheus Alertmanager"
+ user "prometheus"
+ exec_start "/opt/prometheus-server/karma/karma-linux-amd64 --config.file=/etc/prometheus/karma.yml"
+ private_tmp true
+ private_devices true
+ protect_system "full"
+ protect_home true
+ no_new_privileges true
+ restart "on-failure"
+end
+
+service "prometheus-karma" do
+ action [:enable, :start]
+ subscribes :reload, "template[/etc/prometheus/karma.yml]"
+ subscribes :restart, "archive_file[#{cache_dir}/karma-linux-amd64.tar.gz]"
end
package "grafana-enterprise"
service "grafana-server" do
action [:enable, :start]
+ subscribes :restart, "template[/etc/grafana/grafana.ini]"
end
apache_module "alias"
apache_site "prometheus.openstreetmap.org" do
template "apache.erb"
+ variables :admin_hosts => admins["hosts"]
+end
+
+template "/etc/cron.daily/prometheus-backup" do
+ source "backup.cron.erb"
+ owner "root"
+ group "root"
+ mode "750"
end
projects / chef.git / blobdiff