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.
 
  21 include_recipe "networking"
 
  25 if node.internal_ipaddress
 
  26   node.default[:prometheus][:mode] = "internal"
 
  27   node.default[:prometheus][:address] = node.internal_ipaddress
 
  28 elsif node[:networking][:wireguard][:enabled]
 
  29   node.default[:prometheus][:mode] = "wireguard"
 
  30   node.default[:prometheus][:address] = node[:networking][:wireguard][:address]
 
  32   search(:node, "roles:prometheus") do |server|
 
  33     node.default[:networking][:wireguard][:peers] << {
 
  34       :public_key => server[:networking][:wireguard][:public_key],
 
  35       :allowed_ips => server[:networking][:wireguard][:address],
 
  36       :endpoint => "#{server.name}:51820"
 
  40   node.default[:prometheus][:mode] = "external"
 
  41   node.default[:prometheus][:address] = node.external_ipaddress(:family => :inet)
 
  44 directory "/opt/prometheus" do
 
  49 git "/opt/prometheus-exporters" do
 
  51   repository "https://github.com/openstreetmap/prometheus-exporters.git"
 
  58 directory "/etc/prometheus/collectors" do
 
  65 directory "/etc/prometheus/exporters" do
 
  72 directory "/var/lib/prometheus/node-exporter" do
 
  79 template "/var/lib/prometheus/node-exporter/chef.prom" do
 
  80   source "chef.prom.erb"
 
  88 node[:hardware][:hwmon].each do |chip, details|
 
  89   next unless details[:ignore]
 
  91   sensors = details[:ignore].join("|")
 
  94     :source_labels => "chip,sensor",
 
  95     :regex => "#{chip};(#{sensors})",
 
 100 prometheus_exporter "node" do
 
 103     --collector.textfile.directory=/var/lib/prometheus/node-exporter
 
 104     --collector.interrupts
 
 106     --collector.processes
 
 107     --collector.rapl.enable-zone-label
 
 111   metric_relabel metric_relabel
 
 114 unless node[:prometheus][:snmp].empty?
 
 115   prometheus_exporter "snmp" do
 
 117     options "--config.file=/opt/prometheus-exporters/exporters/snmp/snmp.yml"
 
 118     register_target false
 
 122 if node[:prometheus][:files].empty?
 
 123   prometheus_exporter "filestat" do
 
 127   file "/etc/prometheus/filestat.yml" do
 
 131   template "/etc/prometheus/filestat.yml" do
 
 132     source "filestat.yml.erb"
 
 138   prometheus_exporter "filestat" do
 
 140     options "--config.file=/etc/prometheus/filestat.yml"
 
 141     subscribes :restart, "template[/etc/prometheus/filestat.yml]"