Add all nodes with base role as node exporter targets

site-cookbooks/kosmos_prometheus/attributes/default.rb

@@ -13,7 +13,7 @@ node.default["kosmos_prometheus"]["global"] = {
 }
 
 node.default["kosmos_prometheus"]["jobs"] = {
-  "prometheus" => { "targets" => ["localhost:9090"] }
+  "prometheus" => { "targets" => ["localhost:9090"] },
 }
 
 node.default["kosmos_prometheus"]["rule_files"] = []

site-cookbooks/kosmos_prometheus/recipes/server.rb

@@ -62,6 +62,15 @@ file "/usr/local/bin/prometheus" do
   notifies :restart, "service[prometheus]", :delayed
 end
 
+node_targets = search(:node, "role:base").map { |n| n["knife_zero"]["host"] }
+                .compact
+                .sort_by { |ip| ip.split(".").map(&:to_i) }
+                .map { |ip| "#{ip}:9100" }
+
+jobs = node["kosmos_prometheus"]["jobs"].merge(
+  "node" => { "targets" => node_targets }
+)
+
 template "/etc/prometheus/prometheus.yml" do
   source "prometheus.yml.erb"
   owner "root"
@@ -69,7 +78,7 @@ template "/etc/prometheus/prometheus.yml" do
   mode "0644"
   variables(
     global_config: node["kosmos_prometheus"]["global"],
-    jobs: node["kosmos_prometheus"]["jobs"],
+    jobs: jobs,
     rule_files: node["kosmos_prometheus"]["rule_files"]
   )
   notifies :reload, "service[prometheus]", :delayed