# limitations under the License.
#
+unified_mode true
+
default_action :create
property :exporter, :kind_of => String, :name_property => true
+property :address, :kind_of => String
property :port, :kind_of => Integer, :required => [:create]
property :listen_switch, :kind_of => String, :default => "web.listen-address"
-property :package, :kind_of => String
-property :package_options, :kind_of => String
-property :defaults, :kind_of => String
+property :listen_type, :kind_of => String, :default => "address"
+property :user, :kind_of => String
+property :group, :kind_of => String
+property :command, :kind_of => String
+property :options, :kind_of => [String, Array]
+property :environment, :kind_of => Hash, :default => {}
+property :protect_proc, String
+property :proc_subset, String
+property :capability_bounding_set, [String, Array]
+property :ambient_capabilities, [String, Array]
+property :private_devices, [true, false]
+property :private_users, [true, false]
+property :protect_clock, [true, false]
+property :restrict_address_families, [String, Array]
+property :remove_ipc, [true, false]
+property :system_call_filter, [String, Array]
property :service, :kind_of => String
+property :labels, :kind_of => Hash, :default => {}
+property :scrape_interval, :kind_of => String
+property :scrape_timeout, :kind_of => String
+property :metric_relabel, :kind_of => Array
+property :register_target, :kind_of => [TrueClass, FalseClass], :default => true
+property :ssh, [true, false]
action :create do
- package package_name do
- options new_resource.package_options
+ if new_resource.ssh && new_resource.user.nil?
+ keys = data_bag_item("prometheus", "keys")
+
+ directory "/var/lib/private/prometheus/#{new_resource.exporter}-exporter" do
+ mode "700"
+ recursive true
+ end
+
+ file "/var/lib/private/prometheus/#{new_resource.exporter}-exporter/id_rsa" do
+ content keys["ssh"].join("\n")
+ mode "400"
+ end
+
+ cookbook_file "/var/lib/private/prometheus/#{new_resource.exporter}-exporter/id_rsa.pub" do
+ mode "644"
+ end
end
- template defaults_name do
- source "defaults.erb"
- owner "root"
- group "root"
- mode "644"
- variables new_resource.to_hash.merge(:listen_address => listen_address)
+ systemd_service service_name do
+ after "network-online.target"
+ wants "network-online.target"
+ description "Prometheus #{new_resource.exporter} exporter"
+ type "simple"
+ user new_resource.user
+ dynamic_user new_resource.user.nil?
+ group new_resource.group
+ environment new_resource.environment
+ exec_start "#{executable_path} #{new_resource.command} #{executable_options}"
+ sandbox :enable_network => true
+ state_directory "prometheus/#{new_resource.exporter}-exporter" if new_resource.ssh && new_resource.user.nil?
+ protect_proc new_resource.protect_proc if new_resource.property_is_set?(:protect_proc)
+ proc_subset new_resource.proc_subset if new_resource.property_is_set?(:proc_subset)
+ capability_bounding_set new_resource.capability_bounding_set if new_resource.property_is_set?(:capability_bounding_set)
+ ambient_capabilities new_resource.ambient_capabilities if new_resource.property_is_set?(:ambient_capabilities)
+ private_devices new_resource.private_devices if new_resource.property_is_set?(:private_devices)
+ private_users new_resource.private_users if new_resource.property_is_set?(:private_users)
+ protect_clock new_resource.protect_clock if new_resource.property_is_set?(:protect_clock)
+ restrict_address_families new_resource.restrict_address_families if new_resource.property_is_set?(:restrict_address_families)
+ remove_ipc new_resource.remove_ipc if new_resource.property_is_set?(:remove_ipc)
+ system_call_filter new_resource.system_call_filter if new_resource.property_is_set?(:system_call_filter)
end
service service_name do
action [:enable, :start]
- subscribes :restart, "template[#{defaults_name}]"
+ subscribes :restart, "systemd_service[#{service_name}]"
end
- node.default[:prometheus][:exporters][new_resource.exporter] = listen_address
+ firewall_rule "accept-prometheus-#{new_resource.exporter}" do
+ action :accept
+ context :incoming
+ protocol :tcp
+ source :osm
+ dest_ports new_resource.port
+ only_if { node[:prometheus][:mode] == "external" }
+ end
+
+ node.default[:prometheus][:addresses][new_resource.exporter] = listen_address
+
+ if new_resource.register_target
+ node.default[:prometheus][:exporters][new_resource.port] = {
+ :name => new_resource.exporter,
+ :address => listen_address,
+ :labels => new_resource.labels,
+ :scrape_interval => new_resource.scrape_interval,
+ :scrape_timeout => new_resource.scrape_timeout,
+ :metric_relabel => new_resource.metric_relabel
+ }
+ end
end
action :delete do
action [:disable, :stop]
end
- package package_name do
- action :purge
+ systemd_service service_name do
+ action :delete
+ end
+end
+
+action :restart do
+ service service_name do
+ action :restart
+ only_if { service_exists? }
end
end
action_class do
- def package_name
- new_resource.package || "prometheus-#{new_resource.exporter}-exporter"
+ def service_name
+ if new_resource.service
+ "prometheus-#{new_resource.service}-exporter"
+ else
+ "prometheus-#{new_resource.exporter}-exporter"
+ end
end
- def defaults_name
- new_resource.defaults || "/etc/default/prometheus-#{new_resource.exporter}-exporter"
+ def service_exists?
+ ::File.exist?("/etc/systemd/system/#{service_name}.service")
end
- def listen_address
- "#{node.internal_ipaddress}:#{new_resource.port}"
+ def executable_path
+ if ::File.exist?("#{executable_directory}/#{executable_name}_#{executable_architecture}")
+ "#{executable_directory}/#{executable_name}_#{executable_architecture}"
+ else
+ "#{executable_directory}/#{executable_name}"
+ end
end
- def service_name
- new_resource.service || "prometheus-#{new_resource.exporter}-exporter"
+ def executable_directory
+ "/opt/prometheus-exporters/exporters/#{new_resource.exporter}"
+ end
+
+ def executable_name
+ "#{new_resource.exporter}_exporter"
+ end
+
+ def executable_architecture
+ node[:kernel][:machine]
+ end
+
+ def executable_options
+ "--#{new_resource.listen_switch}=#{listen_argument} #{Array(new_resource.options).join(' ')}"
end
+
+ def listen_argument
+ case new_resource.listen_type
+ when "address" then listen_address
+ when "url" then "http://#{listen_address}/metrics"
+ end
+ end
+
+ def listen_address
+ if new_resource.address
+ "#{new_resource.address}:#{new_resource.port}"
+ elsif node[:prometheus][:mode] == "wireguard"
+ "[#{node[:prometheus][:address]}]:#{new_resource.port}"
+ else
+ "#{node[:prometheus][:address]}:#{new_resource.port}"
+ end
+ end
+end
+
+def after_created
+ subscribes :restart, "git[/opt/prometheus-exporters]"
end