Run functional devstack job on ansible collection

Porting of job that was running on patches in Ansible.

Change-Id: Ifa5a6b40d6a0f1de9f2cbc917a55c2d0e8ac421d

ci/roles/network/defaults/main.yml

@@ -0,0 +1,3 @@
+network_name: shade_network
+network_shared: false
+network_external: false

ci/roles/network/tasks/main.yml

@@ -0,0 +1,14 @@
+---
+- name: Create network
+  openstack.cloud.os_network:
+     cloud: "{{ cloud }}"
+     name: "{{ network_name }}"
+     state: present
+     shared: "{{ network_shared }}"
+     external: "{{ network_external }}"
+
+- name: Delete network
+  openstack.cloud.os_network:
+     cloud: "{{ cloud }}"
+     name: "{{ network_name }}"
+     state: absent