Make prometheus exporters start after the network is available

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

diff --git a/cookbooks/prometheus/resources/exporter.rb b/cookbooks/prometheus/resources/exporter.rb
index df5304b3c3aeeebf5a92332237dda68605a97a38..e1f56b09cf71799bbe74ee735b4e6a3ed181caba 100644 (file)
--- a/cookbooks/prometheus/resources/exporter.rb
+++ b/cookbooks/prometheus/resources/exporter.rb
@@ -36,6 +36,8 @@ property :register_target, :kind_of => [TrueClass, FalseClass], :default => true
 
 action :create do
   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
@@ -85,6 +87,7 @@ end
 action :restart do
   service service_name do
     action :restart
+    only_if { service_exists? }
   end
 end
 
@@ -97,8 +100,12 @@ action_class do
     end
   end
 
+  def service_exists?
+    ::File.exist?("/etc/systemd/system/#{service_name}.service")
+  end
+
   def executable_path
-    "/opt/prometheus/exporters/#{new_resource.exporter}/#{new_resource.exporter}_exporter"
+    "/opt/prometheus-exporters/exporters/#{new_resource.exporter}/#{new_resource.exporter}_exporter"
   end
 
   def executable_options
@@ -124,5 +131,5 @@ action_class do
 end
 
 def after_created
-  subscribes :restart, "git[/opt/prometheus]"
+  subscribes :restart, "git[/opt/prometheus-exporters]"
 end