1 files changed, 62 insertions, 0 deletions
diff --git a/app/services/ci/generate_kubeconfig_service.rb b/app/services/ci/generate_kubeconfig_service.rb
new file mode 100644
index 00000000000..18f68c0ff09
--- /dev/null
+++ b/app/services/ci/generate_kubeconfig_service.rb
@@ -0,0 +1,62 @@
+# frozen_string_literal: true
+
+module Ci
+  class GenerateKubeconfigService
+    def initialize(build)
+      @build = build
+      @template = Gitlab::Kubernetes::Kubeconfig::Template.new
+    end
+
+    def execute
+      template.add_cluster(
+        name: cluster_name,
+        url: Gitlab::Kas.tunnel_url
+      )
+
+      agents.each do |agent|
+        user = user_name(agent)
+
+        template.add_user(
+          name: user,
+          token: agent_token(agent)
+        )
+
+        template.add_context(
+          name: context_name(agent),
+          cluster: cluster_name,
+          user: user
+        )
+      end
+
+      template
+    end
+
+    private
+
+    attr_reader :build, :template
+
+    def agents
+      build.pipeline.authorized_cluster_agents
+    end
+
+    def cluster_name
+      'gitlab'
+    end
+
+    def user_name(agent)
+      ['agent', agent.id].join(delimiter)
+    end
+
+    def context_name(agent)
+      [agent.project.full_path, agent.name].join(delimiter)
+    end
+
+    def agent_token(agent)
+      ['ci', agent.id, build.token].join(delimiter)
+    end
+
+    def delimiter
+      ':'
+    end
+  end
+end