Move exporters to /opt/prometheus-exporters

[chef.git] / cookbooks / prometheus / recipes / default.rb

diff --git a/cookbooks/prometheus/recipes/default.rb b/cookbooks/prometheus/recipes/default.rb
index 9a929ed730e00d1532182daf9228b00e1ef69751..21200b8e93bb62e3c865a6d8972ca52febb69daa 100644 (file)
--- a/cookbooks/prometheus/recipes/default.rb
+++ b/cookbooks/prometheus/recipes/default.rb
@@ -20,6 +20,8 @@
 include_recipe "git"
 include_recipe "networking"
 
+package "ruby"
+
 if node.internal_ipaddress
   node.default[:prometheus][:mode] = "internal"
   node.default[:prometheus][:address] = node.internal_ipaddress
@@ -41,14 +43,10 @@ end
 
 directory "/opt/prometheus" do
   action :delete
-  owner "root"
-  group "root"
-  mode "755"
   recursive true
-  not_if { ::Dir.exist?("/opt/prometheus/.git") }
 end
 
-git "/opt/prometheus" do
+git "/opt/prometheus-exporters" do
   action :sync
   repository "https://github.com/openstreetmap/prometheus-exporters.git"
   revision "main"
@@ -64,13 +62,20 @@ directory "/etc/prometheus/collectors" do
   recursive true
 end
 
-directory "/var/lib/prometheus/node-exporter" do
+directory "/etc/prometheus/exporters" do
   owner "root"
   group "root"
   mode "755"
   recursive true
 end
 
+directory "/var/lib/prometheus/node-exporter" do
+  owner "root"
+  group "adm"
+  mode "775"
+  recursive true
+end
+
 template "/var/lib/prometheus/node-exporter/chef.prom" do
   source "chef.prom.erb"
   owner "root"
@@ -78,7 +83,60 @@ template "/var/lib/prometheus/node-exporter/chef.prom" do
   mode "644"
 end
 
+metric_relabel = []
+
+node[:hardware][:hwmon].each do |chip, details|
+  next unless details[:ignore]
+
+  sensors = details[:ignore].join("|")
+
+  metric_relabel << {
+    :source_labels => "chip,sensor",
+    :regex => "#{chip};(#{sensors})",
+    :action => "drop"
+  }
+end
+
 prometheus_exporter "node" do
   port 9100
-  options "--collector.ntp --collector.processes --collector.interrupts --collector.tcpstat --collector.textfile.directory=/var/lib/prometheus/node-exporter"
+  options %w[
+    --collector.textfile.directory=/var/lib/prometheus/node-exporter
+    --collector.interrupts
+    --collector.ntp
+    --collector.processes
+    --collector.systemd
+    --collector.tcpstat
+  ]
+  metric_relabel metric_relabel
+end
+
+unless node[:prometheus][:snmp].empty?
+  prometheus_exporter "snmp" do
+    port 9116
+    options "--config.file=/opt/prometheus-exporters/exporters/snmp/snmp.yml"
+    register_target false
+  end
+end
+
+if node[:prometheus][:files].empty?
+  prometheus_exporter "filestat" do
+    action :delete
+  end
+
+  file "/etc/prometheus/filestat.yml" do
+    action :delete
+  end
+else
+  template "/etc/prometheus/filestat.yml" do
+    source "filestat.yml.erb"
+    owner "root"
+    group "root"
+    mode "644"
+  end
+
+  prometheus_exporter "filestat" do
+    port 9943
+    options "--config.file=/etc/prometheus/filestat.yml"
+    subscribes :restart, "template[/etc/prometheus/filestat.yml]"
+  end
 end