Merge remote-tracking branch 'github/pull/447'

[chef.git] / cookbooks / prometheus / resources / exporter.rb

diff --git a/cookbooks/prometheus/resources/exporter.rb b/cookbooks/prometheus/resources/exporter.rb
index ba214b5d621c74804b2bb52dd4b883c6cc7e1b59..df5304b3c3aeeebf5a92332237dda68605a97a38 100644 (file)
--- a/cookbooks/prometheus/resources/exporter.rb
+++ b/cookbooks/prometheus/resources/exporter.rb
@@ -17,19 +17,30 @@
 # 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 :listen_type, :kind_of => String, :default => "address"
+property :user, :kind_of => String, :default => "root"
+property :command, :kind_of => String
 property :options, :kind_of => [String, Array]
+property :environment, :kind_of => Hash, :default => {}
+property :service, :kind_of => String
+property :metric_relabel, :kind_of => Array
+property :register_target, :kind_of => [TrueClass, FalseClass], :default => true
 
 action :create do
   systemd_service service_name do
     description "Prometheus #{new_resource.exporter} exporter"
     type "simple"
-    user "root"
-    exec_start "#{executable_path} #{executable_options}"
+    user new_resource.user
+    environment new_resource.environment
+    exec_start "#{executable_path} #{new_resource.command} #{executable_options}"
     private_tmp true
     protect_system "strict"
     protect_home true
@@ -50,7 +61,15 @@ action :create 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,
+      :metric_relabel => new_resource.metric_relabel
+    }
+  end
 end
 
 action :delete do
@@ -71,7 +90,11 @@ end
 
 action_class do
   def service_name
-    "prometheus-#{new_resource.exporter}-exporter"
+    if new_resource.service
+      "prometheus-#{new_resource.service}-exporter"
+    else
+      "prometheus-#{new_resource.exporter}-exporter"
+    end
   end
 
   def executable_path
@@ -79,11 +102,20 @@ action_class do
   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}"