Add caching for Gitea Actions, improve performance

site-cookbooks/kosmos_gitea/recipes/runner.rb

@@ -35,14 +35,39 @@ directory "#{working_directory}/runners" do
   mode  "0700"
 end
 
-runners.each do |runner|
+execute "create_gitea_actions_network" do
+  command "docker network create --subnet 172.20.0.0/16 gitea-actions"
+  not_if  "docker network inspect gitea-actions"
+end
+
+runners.each_with_index do |runner, index|
   runner_name = "gitea-runner-#{runner["org"]}"
   runner_dir = "#{working_directory}/runners/#{runner["org"]}"
+  cache_port = node["gitea"]["runner"]["cache_base_port"] + index
 
   directory runner_dir do
     mode  "0700"
   end
 
+  runner_config = node["gitea"]["runner"]["config"].to_hash
+  runner_config["cache"] = runner_config["cache"].merge("port" => cache_port)
+
+  firewall_rule "runner_cache_#{runner["org"]}" do
+    command  :allow
+    port     cache_port
+    protocol :tcp
+    source   "172.20.0.0/16"
+  end
+
+  template "#{runner_dir}/config.yaml" do
+    source "runner.config.yaml.erb"
+    mode   "0640"
+    owner  "root"
+    group  "root"
+    variables(config: runner_config)
+    notifies :restart, "service[#{runner_name}]", :delayed
+  end
+
   bash "register_#{runner["org"]}_runner" do
     cwd runner_dir
     code <<-EOF
@@ -67,7 +92,7 @@ gitea_runner register \
         Type: "simple",
         WorkingDirectory: runner_dir,
         Environment: "HOME=/root",
-        ExecStart: "/usr/local/bin/gitea_runner daemon",
+        ExecStart: "/usr/local/bin/gitea_runner daemon --config #{runner_dir}/config.yaml",
         ExecStartPre: "/bin/sleep 3", # Wait for Gitea's API to be up when restarting at the same time
         Restart: "always",
       },