ci: Add Jenkinsfile for domain controllers

ci/samba-dc.jenkinsfile

@@ -0,0 +1,38 @@
+// vim: set ft=groovy sw=4 ts=4 sts=4 et :
+
+pipeline {
+    agent {
+        dockerfile {
+            dir 'ci'
+        }
+    }
+
+    triggers {
+        pollSCM ''
+    }
+
+    stages {
+        stage('Prepare') {
+            steps {
+                withCredentials([file(
+                        credentialsId: 'vault-jenkins@gw0',
+                        variable: 'SUDO_PASS_FILE')]) {
+                    sh 'cp -f "${SUDO_PASS_FILE}" sudo-pass'
+                }
+            }
+        }
+
+        stage('Domain Controller') {
+            steps {
+                withCredentials([file(
+                        credentialsId: 'ansible-vault',
+                        variable: 'ANSIBLE_VAULT_PASSWORD_FILE')]) {
+                    sshagent(['jenkins-ssh']) {
+                        sh 'ansible-playbook --check --diff -b domain-controller.yml -e @sudo-pass'
+                    }
+                }
+            }
+        }
+
+    }
+}