Ensure the nets, subnets and ports are present

This changes the tests to make sure everything is setup correctly.
It also outputs the available namespaces to make debugging easier,
because it was one of source of failures in the past.

Change-Id: I1d98ca4a7c4b3c8965a730f2df210809a5484b66
Signed-off-by: Jean-Philippe Evrard <jean-philippe.evrard@rackspace.co.uk>

tests/test-neutron-functional.yml

@@ -50,6 +50,15 @@
     openrc_path: /root/openrc
     net_name: test-network
 
+- name: Ensuring network is created correctly
+  shell: |
+    . /root/openrc
+    neutron net-list | grep test-network
+  register: neutron_net_list
+  until: neutron_net_list.rc == 0
+  retries: 10
+  delay: 3
+
 - name: Create test subnet
   neutron:
     command: create_subnet
@@ -58,19 +67,32 @@
     subnet_name: test-subnet
     cidr: "192.168.74.0/24"
 
-- name: Create test port
+- name: Ensuring subnet is created correctly
   shell: |
     . /root/openrc
-    neutron port-create --name test-port test-network
-  register: neutron_port_create
-  until: neutron_port_create.rc == 0
-  retries: 5
-  delay: 10
+    neutron subnet-list -c id -c name -f value | grep test-subnet
+  register: neutron_subnet_list
+  until: neutron_subnet_list.rc == 0
+  retries: 10
+  delay: 3
+
+- name: Ensuring dhcp port is present
+  shell: |
+    . /root/openrc
+    neutron port-list -c device_owner -c id -c fixed_ips -f value | egrep 'dhcp.*{{ neutron_subnet_list.stdout_lines[0].split(' ')[0] }}'
+  register: neutron_port_list_dhcp
+  until: neutron_port_list_dhcp.rc == 0
+  retries: 10
+  delay: 3
 
 - name: Check for dhcp network namespace
-  shell: ip netns
+  shell: ip netns ls
   register: dhcp_namespace
 
+- name: List the namespaces
+  debug:
+    msg: "{{ dhcp_namespace }}"
+
 - name: Make sure the dhcp namespace is present
   assert:
     that: