update jenkins pipeline

support/jenkins/Jenkinsfile

@@ -7,22 +7,21 @@
  */
 
 pipeline {
-    agent any
+    agent { label 'ansible' }
 
     parameters {
         credentials(name: 'THREESCALE_CICD_ACCESS_TOKEN', description: 'The 3scale Access Token', credentialType: "Secret text", required: true)
         credentials(name: 'THREESCALE_CICD_SSO_ISSUER_ENDPOINT', description: 'The SSO Issuer Endpoint when deploying an API with OpenID Connect', credentialType: "Secret text", required: false)
-        stringParam(name: 'THREESCALE_PORTAL_HOSTNAME', description: 'The 3scale Admin Portal hostname', required: true)
+        string(name: 'THREESCALE_PORTAL_HOSTNAME', description: 'The 3scale Admin Portal hostname')
-        stringParam(name: 'GIT_REPOSITORY', description: 'The GIT repository to checkout, containing the OpenAPI Specifications', required: true)
+        string(name: 'GIT_REPOSITORY', description: 'The GIT repository to checkout, containing the OpenAPI Specifications')
-        stringParam(name: 'GIT_BRANCH', description: 'The GIT branch or tag to checkout, containing the OpenAPI Specifications', defaultValue: 'master', required: true)
+        string(name: 'GIT_BRANCH', description: 'The GIT branch or tag to checkout, containing the OpenAPI Specifications', defaultValue: 'master')
-        stringParam(name: 'OPENAPI_FILE', description: 'The path to the OpenAPI Specification within the GIT Repository', required: true)
+        string(name: 'OPENAPI_FILE', description: 'The path to the OpenAPI Specification within the GIT Repository')
-        stringParam(name: 'THREESCALE_CICD_PRIVATE_BASE_URL', description: 'The 3scale private base URL', required: false)
+        string(name: 'THREESCALE_CICD_PRIVATE_BASE_URL', description: 'The 3scale private base URL')
     }
 
-    node("ansible") {
+    stages {
-        sh 'ansible --version'
-        
         stage("GIT Checkout") {
+            steps {
                 // Checkout the GIT repository containing the Ansible Playbook
                 checkout scm
                 
@@ -34,8 +33,10 @@ pipeline {
                         submoduleCfg: [], 
                         userRemoteConfigs: [[url: params.GIT_REPOSITORY]]])
             }
+        }
 
         stage("Deploy an API to 3scale") {
+            steps {
                 ansiColor('xterm') {
                     withCredentials([ string(credentialsId: params.THREESCALE_CICD_ACCESS_TOKEN, variable: 'THREESCALE_CICD_ACCESS_TOKEN'), 
                                     string(credentialsId: params.THREESCALE_CICD_SSO_ISSUER_ENDPOINT, variable: 'THREESCALE_CICD_SSO_ISSUER_ENDPOINT')]) {
@@ -48,4 +49,5 @@ pipeline {
                 }
             }
         }
+    }
 }