ffu: Introduce Neutron fast-forward upgrade tasks

fast_forward_upgrade_tasks for neutron covering Ocata and Pike.
- Service status check
- Stop service when updating from Ocata to Pike
- Update neutron package
- Db sync

bp fast-forward-upgrades
Change-Id: I8858bbab2d5ec0e5a88fff3275368711a0bf8a8a

docker/services/neutron-api.yaml

@@ -217,3 +217,38 @@ outputs:
             - remove_neutron_package|bool
       metadata_settings:
         get_attr: [NeutronBase, role_data, metadata_settings]
+      fast_forward_upgrade_tasks:
+        - name: Check if neutron_server is deployed
+          command: systemctl is-enabled --quiet neutron-server
+          ignore_errors: True
+          register: neutron_server_enabled_result
+          when:
+            - step|int == 0
+            - release == 'ocata'
+        - name: Set fact neutron_server_enabled
+          set_fact:
+            neutron_server_enabled: "{{ neutron_server_enabled_result.rc == 0 }}"
+          when:
+            - step|int == 0
+            - release == 'ocata'
+        - name: Stop neutron_server
+          service: name=neutron-server state=stopped enabled=no
+          when:
+            - step|int == 1
+            - release == 'ocata'
+            - neutron_server_enabled|bool
+        - name: Neutron package update
+          yum: name=openstack-neutron* state=latest
+          when:
+            - step|int == 6
+            - is_bootstrap_node|bool
+        - name: Neutron package update workaround
+          yum: name=python-networking-odl state=latest
+          when:
+            - step|int == 6
+            - is_bootstrap_node|bool
+        - name: Neutron db sync
+          command: neutron-db-manage upgrade head
+          when:
+            - step|int == 8
+            - is_bootstrap_node|bool

docker/services/neutron-dhcp.yaml

@@ -172,3 +172,23 @@ outputs:
             - step|int == 2
             - neutron_dhcp_agent_enabled.rc == 0
           service: name=neutron-dhcp-agent state=stopped enabled=no
+      fast_forward_upgrade_tasks:
+        - name: Check if neutron_dhcp_agent is deployed
+          command: systemctl is-enabled --quiet neutron-dhcp-agent
+          ignore_errors: True
+          register: neutron_dhcp_agent_enabled_result
+          when:
+            - step|int == 0
+            - release == 'ocata'
+        - name: Set fact neutron_dhcp_agent_enabled
+          set_fact:
+            neutron_dhcp_agent_enabled: "{{ neutron_dhcp_agent_enabled_result.rc == 0 }}"
+          when:
+            - step|int == 0
+            - release == 'ocata'
+        - name: Stop neutron_dhcp_agent
+          service: name=neutron-dhcp-agent state=stopped enabled=no
+          when:
+            - step|int == 2
+            - release == 'ocata'
+            - neutron_dhcp_agent_enabled|bool

docker/services/neutron-l3.yaml

@@ -141,3 +141,23 @@ outputs:
             - step|int == 2
             - neutron_l3_agent_enabled.rc == 0
           service: name=neutron-l3-agent state=stopped enabled=no
+      fast_forward_upgrade_tasks:
+        - name: Check if neutron_l3_agent is deployed
+          command: systemctl is-enabled --quiet neutron-l3-agent
+          ignore_errors: True
+          register: neutron_l3_agent_enabled_result
+          when:
+            - step|int == 0
+            - release == 'ocata'
+        - name: Set fact neutron_l3_agent_enabled
+          set_fact:
+            neutron_l3_agent_enabled: "{{ neutron_l3_agent_enabled_result.rc == 0 }}"
+          when:
+            - step|int == 0
+            - release == 'ocata'
+        - name: Stop neutron_l3_agent
+          service: name=neutron-l3-agent state=stopped enabled=no
+          when:
+            - step|int == 1
+            - release == 'ocata'
+            - neutron_l3_agent_enabled|bool

docker/services/neutron-metadata.yaml

@@ -139,3 +139,23 @@ outputs:
             - step|int == 2
             - neutron_metadata_agent_enabled.rc == 0
           service: name=neutron-metadata-agent state=stopped enabled=no
+      fast_forward_upgrade_tasks:
+        - name: Check if neutron_metadata_agent is deployed
+          command: systemctl is-enabled --quiet neutron-metadata-agent
+          ignore_errors: True
+          register: neutron_metadata_agent_enabled_result
+          when:
+            - step|int == 0
+            - release == 'ocata'
+        - name: Set fact neutron_metadata_agent_enabled
+          set_fact:
+            neutron_metadata_agent_enabled: "{{ neutron_metadata_agent_enabled_result.rc == 0 }}"
+          when:
+            - step|int == 0
+            - release == 'ocata'
+        - name: Stop neutron_metadata_agent
+          service: name=neutron-metadata-agent state=stopped enabled=no
+          when:
+            - step|int == 1
+            - release == 'ocata'
+            - neutron_metadata_agent_enabled|bool

docker/services/neutron-ovs-agent.yaml

@@ -202,3 +202,23 @@ outputs:
                       regexp=".*neutron-"
                       state=absent
           when: step|int == 5
+      fast_forward_upgrade_tasks:
+        - name: Check if neutron_ovs_agent is deployed
+          command: systemctl is-enabled --quiet neutron-openvswitch-agent
+          ignore_errors: True
+          register: neutron_ovs_agent_enabled_result
+          when:
+            - step|int == 0
+            - release == 'ocata'
+        - name: Set fact neutron_ovs_agent_enabled
+          set_fact:
+            neutron_ovs_agent_enabled: "{{ neutron_ovs_agent_enabled_result.rc == 0 }}"
+          when:
+            - step|int == 0
+            - release == 'ocata'
+        - name: Stop neutron_openvswitch_agent
+          service: name=neutron-openvswitch-agent state=stopped enabled=no
+          when:
+            - step|int == 1
+            - release == 'ocata'
+            - neutron_ovs_agent_enabled|bool

docker/services/neutron-ovs-dpdk-agent.yaml

@@ -98,5 +98,6 @@ outputs:
       host_prep_tasks:
         get_attr: [NeutronOvsAgentDockerBase, role_data, host_prep_tasks]
       upgrade_tasks:
-        get_attr: [NeutronOvsAgentDockerBase, role_data, kolla_config]
-
+        get_attr: [NeutronOvsAgentDockerBase, role_data, upgrade_tasks]
+      fast_forward_upgrade_tasks:
+        get_attr: [NeutronOvsAgentDockerBase, role_data, fast_forward_upgrade_tasks]