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]
26 property :environment, :kind_of => Hash, :default => {}
29 systemd_service service_name do
30 description "Prometheus #{new_resource.exporter} exporter"
33 environment new_resource.environment
34 exec_start "#{executable_path} #{executable_options}"
36 protect_system "strict"
38 no_new_privileges true
41 service service_name do
42 action [:enable, :start]
43 subscribes :restart, "systemd_service[#{service_name}]"
46 firewall_rule "accept-prometheus-#{new_resource.exporter}" do
51 dest_ports new_resource.port
52 only_if { node[:prometheus][:mode] == "external" }
55 node.default[:prometheus][:exporters][new_resource.exporter] = listen_address
59 service service_name do
60 action [:disable, :stop]
63 systemd_service service_name do
69 service service_name do
76 "prometheus-#{new_resource.exporter}-exporter"
80 "/opt/prometheus/exporters/#{new_resource.exporter}/#{new_resource.exporter}_exporter"
83 def executable_options
84 "--#{new_resource.listen_switch}=#{listen_address} #{Array(new_resource.options).join(' ')}"
88 if node[:prometheus][:mode] == "wireguard"
89 "[#{node[:prometheus][:address]}]:#{new_resource.port}"
91 "#{node[:prometheus][:address]}:#{new_resource.port}"
97 subscribes :restart, "git[/opt/prometheus]"