Generate Kubespray artifacts on undercloud

Write kubectl binary and admin.conf file on undercloud.

Change-Id: I5dd6ad0f69a12c984b1c5b7c2735bc301f8cb763

extraconfig/services/kubernetes-master.yaml

@@ -61,10 +61,13 @@ outputs:
         - name: kubernetes_master step 2
           when: step == '2'
           block:
-            - name: create kubespray temp dir
+            - name: create kubespray temp dirs
               file:
-                path: "{{playbook_dir}}/kubespray"
+                path: "{{item}}"
                 state: directory
+              with_items:
+                - "{{playbook_dir}}/kubespray"
+                - "{{playbook_dir}}/kubespray/artifacts"
             - name: generate kubespray inventory
               copy:
                 dest: "{{playbook_dir}}/kubespray/inventory"
@@ -87,10 +90,18 @@ outputs:
                   etcd:
                     children:
                       kube-master: {}
+
                   k8s-cluster:
                     children:
                       kube-master: {}
                       kube-node: {}
+            - name: generate kubespray global vars
+              copy:
+                dest: "{{playbook_dir}}/kubespray/global_vars.yml"
+                content: |
+                  kubeconfig_localhost: true
+                  kubectl_localhost: true
+                  artifacts_dir: '{{playbook_dir}}/kubespray/artifacts'
             - name: generate kubespray playbook
               copy:
                 dest: "{{playbook_dir}}/kubespray/playbook.yml"
@@ -127,6 +138,7 @@ outputs:
                   -b
                   -i '{{playbook_dir}}/kubespray/inventory'
                   --skip-tags docker,bastion-ssh-config
+                  --extra-vars '@{{playbook_dir}}/kubespray/global_vars.yml'
                   '{{playbook_dir}}/kubespray/playbook.yml'
                   {%- endif -%}
             - name: print kubespray command