# limitations under the License.
#
+unified_mode true
+
default_action :create
property :exporter, :kind_of => String, :name_property => true
-property :github_owner, :kind_of => String, :default => "prometheus"
-property :github_project, :kind_of => String
-property :version, :kind_of => String, :required => [:create]
+property :address, :kind_of => String
property :port, :kind_of => Integer, :required => [:create]
property :listen_switch, :kind_of => String, :default => "web.listen-address"
+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 :private_devices, [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 :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
action :create do
- package "prometheus-#{new_resource.exporter}-exporter" do
- action :purge
- end
-
- remote_file archive_file do
- action :create_if_missing
- source archive_url
- owner "root"
- group "root"
- mode "644"
- backup false
- end
-
- execute archive_file do
- action :nothing
- command "tar -xf #{archive_file}"
- cwd "/opt/prometheus"
- user "root"
- group "root"
- subscribes :run, "remote_file[#{archive_file}]"
- end
-
systemd_service service_name do
+ after "network-online.target"
+ wants "network-online.target"
description "Prometheus #{new_resource.exporter} exporter"
type "simple"
- user "root"
- exec_start "#{executable_path} #{executable_options}"
- private_tmp true
- protect_system "strict"
- protect_home true
- no_new_privileges true
+ 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
+ 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)
+ private_devices new_resource.private_devices if new_resource.property_is_set?(:private_devices)
+ 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
only_if { node[:prometheus][:mode] == "external" }
end
- node.default[:prometheus][:exporters][new_resource.exporter] = listen_address
+ 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,
+ :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 github_project
- new_resource.github_project || "#{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 archive_url
- "https://github.com/#{new_resource.github_owner}/#{github_project}/releases/download/v#{new_resource.version}/#{github_project}-#{new_resource.version}.linux-amd64.tar.gz"
+ def service_exists?
+ ::File.exist?("/etc/systemd/system/#{service_name}.service")
end
- def archive_file
- "#{Chef::Config[:file_cache_path]}/prometheus-#{new_resource.exporter}-exporter-#{new_resource.version}.tar.gz"
+ 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
- "prometheus-#{new_resource.exporter}-exporter"
+ def executable_directory
+ "/opt/prometheus-exporters/exporters/#{new_resource.exporter}"
end
- def executable_path
- "/opt/prometheus/#{github_project}-#{new_resource.version}.linux-amd64/#{github_project}"
+ def executable_name
+ "#{new_resource.exporter}_exporter"
+ end
+
+ def executable_architecture
+ node[:kernel][:machine]
end
def executable_options
- "--#{new_resource.listen_switch}=#{listen_address} #{Array(new_resource.options).join(' ')}"
+ "--#{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 node[:prometheus][:mode] == "wireguard"
+ 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