Update 'Jenkinsfile'

Jenkinsfile

@@ -7,6 +7,16 @@ remote.allowAnyHosts = true
 remote.agent = false
 remote.logLevel = 'INFO'
 
+def build(text) {
+    sh'''
+    printenv
+    echo $text
+    echo $WORKSPACE
+    ls -al $WORKSPACE
+    find /var/jenkins_home -name "Jenkinsfile"
+    '''
+}
+
 pipeline{
   agent { node{ label'master' }}
   options {
@@ -30,12 +40,7 @@ pipeline{
     stage('Test')
     {
       steps {
-          sh '''
-          printenv
-          echo $WORKSPACE
-          ls -al $WORKSPACE
-          find /var/jenkins_home -name "Jenkinsfile"
-          '''
+         build "Hello world"
       }
     }
     stage('Remote SSH') {