Add altermanager section to prometheus config

site-cookbooks/kosmos_prometheus/attributes/default.rb

@@ -12,6 +12,14 @@ node.default["kosmos_prometheus"]["global"] = {
   "evaluation_interval" => "30s",
 }
 
+node.default["kosmos_prometheus"]["alerting"] = {
+  "alertmanagers" => [
+    "static_configs" => [
+      { "targets" => ["127.0.0.1:9093"] }
+    ]
+  ]
+}
+
 node.default["kosmos_prometheus"]["jobs"] = {
   "prometheus" => { "targets" => [{ "target" => "localhost:9090", "instance" => "localhost" }] },
 }

site-cookbooks/kosmos_prometheus/recipes/server.rb

@@ -92,6 +92,7 @@ template "/etc/prometheus/prometheus.yml" do
   mode "0644"
   variables(
     global_config: node["kosmos_prometheus"]["global"],
+    alerting: node["kosmos_prometheus"]["alerting"],
     jobs: jobs,
     rule_files: node["kosmos_prometheus"]["rule_files"]
   )

site-cookbooks/kosmos_prometheus/templates/default/prometheus.yml.erb

@@ -3,6 +3,20 @@ global:
   <%= k %>: "<%= v %>"
 <% end %>
 
+<% if @alerting %>
+alerting:
+  alertmanagers:
+<% @alerting['alertmanagers'].each do |am| %>
+    - static_configs:
+<% am['static_configs'].each do |sc| %>
+        - targets:
+<% sc['targets'].each do |target| %>
+            - <%= target %>
+<% end %>
+<% end %>
+<% end %>
+<% end %>
+
 scrape_configs:
 <% @jobs.each do |name, job| %>
 - job_name: "<%= name %>"