2 # Cookbook:: prometheus
3 # Resource:: prometheus_collector
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.
22 default_action :create
24 property :collector, :kind_of => String, :name_property => true
25 property :interval, :kind_of => [Integer, String], :required => [:create]
26 property :options, :kind_of => [String, Array]
27 property :environment, :kind_of => Hash, :default => {}
30 systemd_service service_name do
31 description "Prometheus #{new_resource.collector} collector"
33 environment new_resource.environment
34 standard_output "file:/var/lib/prometheus/node-exporter/#{new_resource.collector}.new"
35 standard_error "journal"
36 exec_start "#{executable_path} #{executable_options}"
37 exec_start_post "/bin/mv /var/lib/prometheus/node-exporter/#{new_resource.collector}.new /var/lib/prometheus/node-exporter/#{new_resource.collector}.prom"
39 protect_system "strict"
41 read_write_paths ["/var/lib/prometheus/node-exporter", "/var/lock", "/var/log"]
42 no_new_privileges true
45 systemd_timer service_name do
46 description "Prometheus #{new_resource.collector} collector"
48 on_unit_active_sec new_resource.interval
51 service "#{service_name}.timer" do
52 action [:enable, :start]
53 subscribes :restart, "systemd_timer[#{service_name}]"
58 service "#{service_name}.timer" do
59 action [:disable, :stop]
62 systemd_timer service_name do
66 systemd_service service_name do
70 file "/var/lib/prometheus/node-exporter/#{new_resource.collector}.prom" do
77 "prometheus-#{new_resource.collector}-collector"
81 "/opt/prometheus-exporters/collectors/#{new_resource.collector}/#{new_resource.collector}_collector"
84 def executable_options
85 Array(new_resource.options).join(" ")