Merge "ovn-migration: Stop ml2/ovs agents before installing OVN resources"

tools/ovn_migration/tripleo_environment/playbooks/ovn-migration.yml

@@ -25,6 +25,14 @@
   tags:
     - setup
 
+
+- name: Stop ml2/ovs resources
+  hosts: ovn-controllers
+  roles:
+    - stop-agents
+  tags:
+    - migration
+
 #
 # TripleO / Director is executed to deploy ovn using "br-migration" for the
 # dataplane, while br-int is left intact to avoid dataplane disruption.

tools/ovn_migration/tripleo_environment/playbooks/roles/stop-agents/defaults/main.yml

@@ -0,0 +1,3 @@
+---
+# defaults file for stop-agents
+systemd_service_file_dir: /etc/systemd/system

tools/ovn_migration/tripleo_environment/playbooks/roles/stop-agents/tasks/cleanup.yml

@@ -0,0 +1,21 @@
+---
+- name: "stop and disable {{ service.name }} services and healthchecks"
+  systemd:
+    name: "{{ item }}"
+    state: stopped
+    enabled: no
+  become: yes
+  loop:
+    - "{{ service.healthcheck_timer_file }}"
+    - "{{ service.healthcheck_service_file }}"
+    - "{{ service.service_file }}"
+
+- name: delete ml2 ovs systemd service files
+  file:
+    path: "{{ systemd_service_file_dir }}/{{ item }}"
+    state: absent
+  loop:
+    - "{{ service.service_file }}"
+    - "{{ service.healthcheck_service_file }}"
+    - "{{ service.healthcheck_timer_file }}"
+  become: yes

tools/ovn_migration/tripleo_environment/playbooks/roles/stop-agents/tasks/main.yml

@@ -0,0 +1,18 @@
+---
+- name: populate service facts
+  service_facts:
+
+- name: disable ml2 ovs services and healthchecks
+  include_tasks: cleanup.yml
+  loop: "{{ ml2_ovs_services }}"
+  loop_control:
+    loop_var: service
+  when: ansible_facts.services[service.service_file] is defined
+
+- name: remove containers
+  become: yes
+  shell: |
+    for agent in $(podman ps -a --format {% raw %}"{{.ID}}"{% endraw %} --filter "name=(neutron_.*_agent|neutron_dhcp)"); do
+        echo "Cleaning up agent $agent"
+        podman rm -f $agent
+    done

tools/ovn_migration/tripleo_environment/playbooks/roles/stop-agents/vars/main.yml

@@ -0,0 +1,19 @@
+---
+# vars file for stop-agents
+ml2_ovs_services:
+  - name: dhcp
+    service_file: tripleo_neutron_dhcp.service
+    healthcheck_service_file: tripleo_neutron_dhcp_healthcheck.service
+    healthcheck_timer_file: tripleo_neutron_dhcp_healthcheck.timer
+  - name: l3
+    service_file: tripleo_neutron_l3_agent.service
+    healthcheck_service_file: tripleo_neutron_l3_agent_healthcheck.service
+    healthcheck_timer_file: tripleo_neutron_l3_agent_healthcheck.timer
+  - name: metadata
+    service_file: tripleo_neutron_metadata_agent.service
+    healthcheck_service_file: tripleo_neutron_metadata_agent_healthcheck.service
+    healthcheck_timer_file: tripleo_neutron_metadata_agent_healthcheck.timer
+  - name: ovs
+    service_file: tripleo_neutron_ovs_agent.service
+    healthcheck_service_file: tripleo_neutron_ovs_agent_healthcheck.service
+    healthcheck_timer_file: tripleo_neutron_ovs_agent_healthcheck.timer