Add prometheus SNMP monitoring of switch and PDUs in Amsterdam

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

diff --git a/cookbooks/prometheus/recipes/server.rb b/cookbooks/prometheus/recipes/server.rb
index 7e4f4b2bf9ee83a05c866901bad9f07df45cbf3a..c8241a1f1d3ed0f5a8adcceee5cd360eef37b05c 100644 (file)
--- a/cookbooks/prometheus/recipes/server.rb
+++ b/cookbooks/prometheus/recipes/server.rb
@@ -37,13 +37,13 @@ package %w[
   prometheus-alertmanager
 ]
 
-promscale_version = "0.1.4"
+promscale_version = "0.2.0"
 
-database_cluster = node[:timescaledb][:cluster]
+database_cluster = "#{node[:timescaledb][:database_version]}/main"
 
 postgresql_user "prometheus" do
   cluster database_cluster
-  createrole true
+  superuser true
 end
 
 postgresql_database "promscale" do
@@ -51,11 +51,6 @@ postgresql_database "promscale" do
   owner "prometheus"
 end
 
-postgresql_extension "timescaledb" do
-  cluster database_cluster
-  database "promscale"
-end
-
 directory "/opt/promscale" do
   owner "root"
   group "root"
@@ -121,12 +116,6 @@ service "promscale" do
   subscribes :restart, "systemd_service[promscale]"
 end
 
-postgresql_extension "promscale" do
-  cluster database_cluster
-  database "promscale"
-  notifies :restart, "service[promscale]"
-end
-
 systemd_service "promscale-maintenance" do
   description "Promscale Maintenace"
   type "simple"
@@ -144,7 +133,24 @@ systemd_timer "promscale-maintenance" do
   on_unit_inactive_sec 1800
 end
 
+service "promscale-maintenance.timer" do
+  action [:enable, :start]
+end
+
+search(:node, "roles:gateway") do |gateway|
+  allowed_ips = gateway.interfaces(:role => :internal).map do |interface|
+    "#{interface[:network]}/#{interface[:prefix]}"
+  end
+
+  node.default[:networking][:wireguard][:peers] << {
+    :public_key => gateway[:networking][:wireguard][:public_key],
+    :allowed_ips => allowed_ips,
+    :endpoint => "#{gateway.name}:51820"
+  }
+end
+
 jobs = {}
+snmp_targets = []
 
 search(:node, "recipes:prometheus\\:\\:default").sort_by(&:name).each do |client|
   if client[:prometheus][:mode] == "wireguard"
@@ -173,6 +179,41 @@ search(:node, "recipes:prometheus\\:\\:default").sort_by(&:name).each do |client
       :metric_relabel => metric_relabel
     }
   end
+
+  Hash(client[:prometheus][:snmp]).each do |instance, details|
+    snmp_targets << {
+      :instance => instance,
+      :target => details[:address],
+      :module => details[:module],
+      :address => client[:prometheus][:addresses]["snmp"]
+    }
+  end
+end
+
+certificates = search(:node, "letsencrypt:certificates").each_with_object({}) do |n, c|
+  n[:letsencrypt][:certificates].each do |name, details|
+    c[name] ||= details.merge(:nodes => [])
+
+    c[name][:nodes] << {
+      :name => n[:fqdn],
+      :address => n.external_ipaddress || n.internal_ipaddress
+    }
+  end
+end
+
+template "/etc/prometheus/ssl.yml" do
+  source "ssl.yml.erb"
+  owner "root"
+  group "root"
+  mode "644"
+  variables :certificates => certificates
+end
+
+prometheus_exporter "ssl" do
+  address "127.0.0.1"
+  port 9219
+  options "--config.file=/etc/prometheus/ssl.yml"
+  register_target false
 end
 
 template "/etc/default/prometheus" do
@@ -187,7 +228,7 @@ template "/etc/prometheus/prometheus.yml" do
   owner "root"
   group "root"
   mode "644"
-  variables :jobs => jobs
+  variables :jobs => jobs, :snmp_targets => snmp_targets, :certificates => certificates
 end
 
 template "/etc/prometheus/alert_rules.yml" do