Add alert for node exporter text file scrape errors

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

diff --git a/cookbooks/prometheus/resources/exporter.rb b/cookbooks/prometheus/resources/exporter.rb
index 0e1d9d6e46a1be1ac8ffd8be33aa0cc836b58dcc..5075c5d6ae3a6ed17e928008a030659e3f15990a 100644 (file)
--- a/cookbooks/prometheus/resources/exporter.rb
+++ b/cookbooks/prometheus/resources/exporter.rb
@@ -42,12 +42,32 @@ 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
+  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
+
   systemd_service service_name do
     after "network-online.target"
     wants "network-online.target"
@@ -59,6 +79,7 @@ action :create do
     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)
@@ -78,9 +99,9 @@ action :create do
 
   firewall_rule "accept-prometheus-#{new_resource.exporter}" do
     action :accept
-    source "osm"
-    dest "fw"
-    proto "tcp"
+    context :incoming
+    protocol :tcp
+    source :osm
     dest_ports new_resource.port
     only_if { node[:prometheus][:mode] == "external" }
   end
@@ -91,6 +112,7 @@ action :create do
     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