add a pipeline that publishes to staging beta site

ci/jenkins/Jenkins_steps.groovy

@@ -1416,11 +1416,11 @@ def should_pack_website() {
       return true
     }
   } else {
-    return true 
+    return true
   }
   return false
 }
-  
+
 // Each of the docs_{lang} functions will build the docs...
 // Stashing is only needed for master for website publishing or for testing "new_"
 
@@ -1604,6 +1604,27 @@ def docs_prepare() {
 }
 
 
+def docs_prepare_beta() {
+    return ['Prepare for publication of the full website': {
+      node(NODE_LINUX_CPU) {
+        ws('workspace/docs') {
+          timeout(time: max_time, unit: 'MINUTES') {
+            utils.init_git()
+
+            unstash 'jekyll-artifacts'
+            unstash 'python-artifacts'
+
+            utils.docker_run('ubuntu_cpu_jekyll', 'build_docs', false)
+
+            // archive so the publish pipeline can access the artifact
+            archiveArtifacts 'docs/_build/beta_website.tgz'
+          }
+        }
+      }
+    }]
+}
+
+
 def docs_archive() {
     return ['Archive the full website': {
       node(NODE_LINUX_CPU) {
@@ -1639,6 +1660,24 @@ def docs_publish() {
 }
 
 
+// This is for the beta website
+def docs_publish_beta() {
+    return ['Publish the full website': {
+      node(NODE_LINUX_CPU) {
+        ws('workspace/docs') {
+          timeout(time: max_time, unit: 'MINUTES') {
+            try {
+              build 'restricted-website-publish-master-beta'
+            }
+            catch (Exception e) {
+               println(e.getMessage())
+            }
+          }
+        }
+      }
+    }]
+}
+
 
 def misc_asan_cpu() {
     return ['CPU ASAN': {

ci/jenkins/Jenkinsfile_website_beta

@@ -0,0 +1,63 @@
+// -*- mode: groovy -*-
+
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+//
+// Jenkins pipeline
+// See documents at https://jenkins.io/doc/book/pipeline/jenkinsfile/
+// This pipeline will publish to https://mxnet-beta.staged.apache.org/
+
+// timeout in minutes
+max_time = 180
+
+node('restricted-utility') {
+  // Loading the utilities requires a node context unfortunately
+  checkout scm
+  utils = load('ci/Jenkinsfile_utils.groovy')
+  custom_steps = load('ci/jenkins/Jenkins_steps.groovy')
+}
+
+utils.assign_node_labels(utility: 'restricted-utility', linux_cpu: 'restricted-mxnetlinux-cpu', linux_gpu: 'restricted-mxnetlinux-gpu', linux_gpu_p3: 'restricted-mxnetlinux-gpu-p3', windows_cpu: 'restricted-mxnetwindows-cpu', windows_gpu: 'restricted-mxnetwindows-gpu')
+
+utils.main_wrapper(
+core_logic: {
+  utils.parallel_stage('Build', [
+    custom_steps.compile_unix_lite()
+  ])
+
+  utils.parallel_stage('Build Docs', [
+    // Only building a subset of the docs for previewing on staging
+    custom_steps.docs_jekyll(),
+    custom_steps.docs_python()
+  ])
+
+  utils.parallel_stage('Prepare', [
+    custom_steps.docs_prepare_beta()
+  ])
+
+  utils.parallel_stage('Publish', [
+    custom_steps.docs_publish_beta()
+  ])
+}
+,
+failure_handler: {
+  // Only send email if master or release branches failed
+  if (currentBuild.result == "FAILURE" && (env.BRANCH_NAME == "master" || env.BRANCH_NAME.startsWith("v"))) {
+    emailext body: 'Build for MXNet branch ${BRANCH_NAME} has broken. Please view the build at ${BUILD_URL}', replyTo: '${EMAIL}', subject: '[BUILD FAILED] Branch ${BRANCH_NAME} build ${BUILD_NUMBER}', to: '${EMAIL}'
+  }
+}
+)