Add Neutron SR-IOV agent container

This patch adds support for running the neutron SR-IOV agent in a
container.

Depends-On: I4a63845a97c890d7d408731ec5509c320289f18f
Depends-On: Ie5d8cd7863c0d042cc6a4e1fc52602d8a03a1935
Depends-On: I1b5ab0a64ae1f5735f1bd5a68e6ae8bdcf47ddec

Closes-Bug: #1715388

Change-Id: I7ee603b32eddacd02d846dff00dd1b786d4a7ad9

puppet/services/neutron-sriov-agent.yaml

@@ -99,3 +99,17 @@ outputs:
           - get_attr: [RoleParametersValue, value]
       step_config: |
         include ::tripleo::profile::base::neutron::sriov
+      upgrade_tasks:
+        - name: Check if neutron_sriov_agent is deployed
+          command: systemctl is-enabled neutron-sriov-nic-agent
+          tags: common
+          ignore_errors: True
+          register: neutron_sriov_nic_agent_enabled
+        - name: "PreUpgrade step0,validation: Check service neutron-server is running"
+          shell: /usr/bin/systemctl show 'neutron-sriov-nic-agent' --property ActiveState | grep '\bactive\b'
+          when: neutron_sriov_nic_agent_enabled.rc == 0
+          tags: step0,validation
+        - name: Stop neutron_sriov_nic_agent service
+          tags: step1
+          when: neutron_sriov_nic_agent_enabled.rc == 0
+          service: name=neutron-sriov-nic-agent state=stopped