Use secret in run playbook

Change-Id: I6a495171d08b904a4d8e4f47fcee60dea1c0f7d1

playbooks/loci-builder.yaml

@@ -69,3 +69,12 @@
             - build_result.finished
           retries: 300
           delay: 5
+
+    - name: Push project to DockerHub
+      block:
+        - command: docker login -u {{ loci_docker_login.user }} -p {{ loci_docker_login.password }}
+          no_log: True
+        - command: docker push openstackloci/{{ project }}:master-{{ item.name }}
+          with_items: "{{ distros }}"
+      become: True
+      when: loci_docker_login is defined

playbooks/post.yaml

@@ -27,12 +27,3 @@
           with_items: "{{ distros }}"
       become: True
       when: False
-
-    - name: Push requirements to DockerHub
-      block:
-        - command: docker login -u {{ loci_docker_login.user }} -p {{ loci_docker_login.password }}
-          no_log: True
-        - command: docker push openstackloci/{{ project }}:master-{{ item.name }}
-          with_items: "{{ distros }}"
-      become: True
-      when: loci_docker_login is defined