Change k8s ut job to use opentelekomcloud node (apache#182)

* Change k8s ut job to use opentelekomcloud node
* Update k8s+keystone jobs to use external openstack provider

Author: liusheng

playbooks/cloud-provider-openstack-acceptance-test-keystone-authentication-authorization/run.yaml

@@ -70,8 +70,12 @@
           export LOG_LEVEL=4
           # We want to use the openstack cloud provider
           export CLOUD_PROVIDER=openstack
+          # We want to run a separate cloud-controller-manager for openstack
+          export EXTERNAL_CLOUD_PROVIDER=true
+          # DO NOT change the location of the cloud-config file. It is important for the old cinder provider to work
           export CLOUD_CONFIG=/etc/kubernetes/cloud-config
-
+          # Specify the OCCM binary
+          export EXTERNAL_CLOUD_PROVIDER_BINARY="$PWD/openstack-cloud-controller-manager"
 
           # location of where the kubernetes processes log their output
           mkdir -p '{{ ansible_user_dir }}/workspace/logs/kubernetes'

playbooks/cloud-provider-openstack-unittest/run.yaml

@@ -1,7 +1,7 @@
 - hosts: all
   become: yes
   roles:
-    - export-vexxhost-openrc
+    - export-opentelekomcloud-openrc
   tasks:
     - name: Run unit tests with cloud-provider-openstack
       shell:
@@ -14,4 +14,4 @@
           TESTARGS='-v' make test 2>&1 | tee $TEST_RESULTS_TXT
         executable: /bin/bash
         chdir: '{{ k8s_specific_src_dir }}'
-      environment: '{{ golang_env | combine(vexxhost_openrc) }}'
+      environment: '{{ golang_env | combine(opentelekomcloud_openrc) }}'

zuul.d/jobs.yaml

@@ -251,7 +251,8 @@
       Run unit test of cloud-provider-openstack
     run: playbooks/cloud-provider-openstack-unittest/run.yaml
     secrets:
-      - vexxhost_credentials
+      - opentelekomcloud_credentials
+    nodeset: ubuntu-xenial-otc
 
 - job:
     name: cloud-provider-openstack-acceptance-test