ci: Add pipeline for NTP

ci/ntp.jenkinsfile

@@ -0,0 +1,77 @@
+// vim: set ft=groovy sw=4 ts=4 sts=4 et :
+
+pipeline {
+    agent {
+        label 'ansible'
+    }
+
+    triggers {
+        cron 'H H * * *'
+    }
+
+    environment {
+        KRB5CCNAME = "${WORKSPACE}/.krb5cc"
+    }
+
+    stages {
+        stage('Prepare') {
+            steps {
+                withCredentials([file(
+                        credentialsId: 'keytab-jenkins@pyrocufflink.blue',
+                        variable: 'KEYTAB'
+                )]) {
+                    sh 'kinit -kt "${KEYTAB}" jenkins@PYROCUFFLINK.BLUE'
+                }
+                withCredentials([file(
+                        credentialsId: 'vault-jenkins@pyrocufflink.blue',
+                        variable: 'SUDO_PASS_FILE'
+                )]) {
+                    sh 'cp "${SUDO_PASS_FILE}" sudo-pass'
+                }
+            }
+        }
+
+        stage('Remount R/W') {
+            steps {
+                ansiblePlaybook \
+                    playbook: 'remount.yml',
+                    limit: 'ntpd',
+                    become: true,
+                    vaultCredentialsId: 'ansible-vault',
+                    extraVars: [
+                        remount_state: 'rw',
+                    ],
+                    extras: '-e@sudo-pass'
+            }
+        }
+
+        stage('NTP') {
+            steps {
+                ansiblePlaybook \
+                    playbook: 'ntp.yml',
+                    become: true,
+                    vaultCredentialsId: 'ansible-vault',
+                    extras: '-e@sudo-pass --diff'
+            }
+        }
+
+        stage('Remount R/O') {
+            steps {
+                ansiblePlaybook \
+                    playbook: 'remount.yml',
+                    limit: 'ntpd',
+                    become: true,
+                    vaultCredentialsId: 'ansible-vault',
+                    extras: '-e@sudo-pass'
+            }
+        }
+
+    }
+
+    post {
+        always {
+            sh 'rm -f sudo-pass'
+            sh 'kdestroy'
+        }
+    }
+}