Set up Gitea Actions runners

site-cookbooks/kosmos_gitea/attributes/default.rb

@@ -15,3 +15,6 @@ node.default["gitea"]["config"] = {
     "allowed_host_list" => "external,127.0.1.1"
   }
 }
+
+node.default["gitea"]["act_runner"]["download_url"] = "https://dl.gitea.com/act_runner/main/act_runner-main-linux-amd64"
+node.default["gitea"]["act_runner"]["checksum"] = "577ec7c64e7458b1e97cbe61d02da1ba1f4ddf24281b175f24f65101e72c000c"

site-cookbooks/kosmos_gitea/recipes/act_runner.rb

@@ -0,0 +1,89 @@
+#
+# Cookbook:: kosmos_gitea
+# Recipe:: act_runner
+#
+
+working_directory = node["gitea"]["working_directory"]
+gitea_credentials = data_bag_item("credentials", "gitea")
+runners           = gitea_credentials["runners"]
+
+begin
+  gitea_host = search(:node, "role:gitea").first["knife_zero"]["host"]
+rescue
+  Chef::Log.warn('No server with "gitea" role. Stopping here.')
+  return
+end
+
+apt_repository 'docker' do
+  uri 'https://download.docker.com/linux/ubuntu'
+  key 'https://download.docker.com/linux/ubuntu/gpg'
+  components ['stable']
+end
+
+%w[
+  docker-ce
+  docker-ce-cli
+  containerd.io
+  docker-buildx-plugin
+].each do |apt_pkg|
+  package apt_pkg
+end
+
+remote_file "/usr/local/bin/act_runner" do
+  source node["gitea"]["act_runner"]["download_url"]
+  checksum node["gitea"]["act_runner"]["checksum"]
+  mode "0750"
+end
+
+directory "#{working_directory}/runners" do
+  mode  "0700"
+end
+
+runners.each do |runner|
+  runner_name = "gitea-runner-#{runner["org"]}"
+  runner_dir = "#{working_directory}/runners/#{runner["org"]}"
+
+  directory runner_dir do
+    mode  "0700"
+  end
+
+  bash "register_#{runner["org"]}_runner" do
+    cwd runner_dir
+    code <<-EOF
+act_runner register \
+  --no-interactive \
+  --instance http://#{gitea_host}:#{node["gitea"]["port"]} \
+  --name #{runner_name} \
+  --token #{runner["token"]}
+    EOF
+    not_if { File.exist?("#{runner_dir}/.runner") }
+  end
+
+  systemd_unit "#{runner_name}.service" do
+    content({
+      Unit: {
+        Description: "Gitea Actions Runner for '#{runner["org"]}' org",
+        Documentation: ["https://gitea.com/gitea/act_runner"],
+        Requires: "gitea.service",
+        After: "syslog.target network.target"
+      },
+      Service: {
+        Type: "simple",
+        WorkingDirectory: runner_dir,
+        Environment: "HOME=/root",
+        ExecStart: "/usr/local/bin/act_runner daemon",
+        Restart: "always",
+      },
+      Install: {
+        WantedBy: "multi-user.target"
+      }
+    })
+    verify false
+    triggers_reload true
+    action [:create]
+  end
+
+  service runner_name do
+    action [:enable, :start]
+  end
+end