2 # Cookbook:: prometheus
3 # Resource:: prometheus_exporter
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 default_action :create
22 property :exporter, :kind_of => String, :name_property => true
23 property :port, :kind_of => Integer, :required => [:create]
24 property :listen_switch, :kind_of => String, :default => "web.listen-address"
25 property :options, :kind_of => [String, Array]
28 systemd_service service_name do
29 description "Prometheus #{new_resource.exporter} exporter"
32 exec_start "#{executable_path} #{executable_options}"
34 protect_system "strict"
36 no_new_privileges true
39 service service_name do
40 action [:enable, :start]
41 subscribes :restart, "systemd_service[#{service_name}]"
44 firewall_rule "accept-prometheus-#{new_resource.exporter}" do
49 dest_ports new_resource.port
50 only_if { node[:prometheus][:mode] == "external" }
53 node.default[:prometheus][:exporters][new_resource.exporter] = listen_address
57 service service_name do
58 action [:disable, :stop]
61 systemd_service service_name do
67 service service_name do
74 "prometheus-#{new_resource.exporter}-exporter"
78 "/opt/prometheus/exporters/#{new_resource.exporter}/#{new_resource.exporter}_exporter"
81 def executable_options
82 "--#{new_resource.listen_switch}=#{listen_address} #{Array(new_resource.options).join(' ')}"
86 if node[:prometheus][:mode] == "wireguard"
87 "[#{node[:prometheus][:address]}]:#{new_resource.port}"
89 "#{node[:prometheus][:address]}:#{new_resource.port}"
95 subscribes :restart, "git[/opt/prometheus]"