feat(mtv-warm-cutover): add warm migration cutover

playbooks/mtv_warm_cutover.yml

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+---
+
+- name: Finish Warm Migration Cutover
+  hosts: localhost
+  connection: local
+  gather_facts: false
+  tasks:
+    - name: Invoke Warm Migration Cutover
+      ansible.builtin.include_role:
+        name: infra.openshift_virtualization_migration.mtv_warm_cutover
+...

roles/mtv_warm_cutover/defaults/main.yml

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+---
+# defaults file for mtv_warm_cutover
+
+# title: Warm Cutover Request
+# required: True
+# description: List of warm migration cutover requests
+mtv_warm_cutover_request: []
+# -  namespace: <namespace> # Namespace containing the Migration resources.
+#    names: # List of Migration resource names to trigger cutover for. \
+#      Optional when using label_selectors or plan_name.
+#      - <migration_name>
+#    label_selectors: # Label selectors to match Migration resources.
+#      - <key>=<value>
+#    plan_name: # Name of the Plan to find associated Migrations for cutover.
+#    cutover: # ISO 8601 timestamp for scheduled cutover \
+#      (e.g., '2026-04-07T02:00:00Z'). If empty, uses current time.
+
+# title: MTV Namespace
+# required: False
+# description: Default namespace for MTV resources
+mtv_warm_cutover_default_namespace: openshift-mtv
+# title: Verify Cutover Complete
+# required: False
+# description: Wait until cutover migrations complete
+mtv_warm_cutover_verify_complete: true
+# title: Verify Complete Retries
+# required: False
+# description: Number of retries when waiting for cutover completion
+mtv_warm_cutover_verify_retries: 360
+# title: Verify Complete Delay
+# required: False
+# description: Seconds to wait between retries
+mtv_warm_cutover_verify_delay: 20
+
+...

roles/mtv_warm_cutover/meta/main.yml

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+---
+galaxy_info:
+  author: ""
+  description: Trigger cutover for warm migrations to finish the migration process.
+  company: Red Hat
+  license: GPL-3.0-only
+  min_ansible_version: 2.15.0
+  galaxy_tags: []
+dependencies: []
+...

roles/mtv_warm_cutover/tasks/_apply_cutover.yml

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+---
+
+- name: _apply_cutover | Verify Migration Is a Warm Migration
+  ansible.builtin.assert:
+    that:
+      - >-
+        mtv_warm_cutover_migration.spec.cutover is not defined or
+        mtv_warm_cutover_migration.spec.cutover | default("", true) | length == 0
+    fail_msg: >-
+      Migration '{{ mtv_warm_cutover_migration.metadata.name }}' already has
+      a cutover timestamp set
+      ('{{ mtv_warm_cutover_migration.spec.cutover | default("") }}')
+    quiet: true
+
+- name: _apply_cutover | Patch Migration with Cutover Timestamp
+  kubernetes.core.k8s_json_patch:
+    api_version: forklift.konveyor.io/v1beta1
+    kind: Migration
+    namespace: "{{ mtv_warm_cutover_migration.metadata.namespace }}"
+    name: "{{ mtv_warm_cutover_migration.metadata.name }}"
+    patch:
+      - op: add
+        path: /spec/cutover
+        value: "{{ mtv_warm_cutover_timestamp }}"
+  register: mtv_warm_cutover_patch_result
+
+- name: _apply_cutover | Report Cutover Triggered
+  ansible.builtin.debug:
+    msg: >-
+      Cutover triggered for Migration
+      '{{ mtv_warm_cutover_migration.metadata.name }}'
+      at {{ mtv_warm_cutover_timestamp }}
+
+- name: _apply_cutover | Wait for Migration to Complete
+  when: mtv_warm_cutover_verify_complete | bool
+  kubernetes.core.k8s_info:
+    api_version: forklift.konveyor.io/v1beta1
+    kind: Migration
+    namespace: "{{ mtv_warm_cutover_migration.metadata.namespace }}"
+    name: "{{ mtv_warm_cutover_migration.metadata.name }}"
+  register: mtv_warm_cutover_status
+  until: >
+    mtv_warm_cutover_status is defined and
+    'resources' in mtv_warm_cutover_status and
+    mtv_warm_cutover_status.resources | length == 1 and
+    'status' in mtv_warm_cutover_status.resources | first and
+    'completed' in (mtv_warm_cutover_status.resources | first).status and
+    (mtv_warm_cutover_status.resources | first).status.completed
+    | trim | length > 0
+  retries: "{{ mtv_warm_cutover_verify_retries }}"
+  delay: "{{ mtv_warm_cutover_verify_delay }}"
+
+- name: _apply_cutover | Verify Migration Succeeded
+  when: mtv_warm_cutover_verify_complete | bool
+  ansible.builtin.assert:
+    that:
+      - >-
+        (mtv_warm_cutover_status.resources | first).status.conditions
+        | selectattr('type', 'defined')
+        | selectattr('status', 'defined')
+        | selectattr('type', 'equalto', 'Succeeded')
+        | selectattr('status', 'equalto', 'True')
+        | list | length == 1
+    fail_msg: >-
+      Migration '{{ mtv_warm_cutover_migration.metadata.name }}'
+      cutover did not succeed
+    quiet: true
+
+...

roles/mtv_warm_cutover/tasks/_process_cutover.yml

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+---
+
+- name: _process_cutover | Set Working Namespace
+  ansible.builtin.set_fact:
+    mtv_warm_cutover_namespace: >-
+      {{ mtv_warm_cutover_item.namespace
+         | default(mtv_warm_cutover_default_namespace) }}
+
+- name: _process_cutover | Query Migrations by Name
+  when: mtv_warm_cutover_item.names | default([], true) | length > 0
+  kubernetes.core.k8s_info:
+    api_version: forklift.konveyor.io/v1beta1
+    kind: Migration
+    namespace: "{{ mtv_warm_cutover_namespace }}"
+    name: "{{ mtv_warm_cutover_migration_name }}"
+  register: mtv_warm_cutover_by_name
+  loop: "{{ mtv_warm_cutover_item.names }}"
+  loop_control:
+    loop_var: mtv_warm_cutover_migration_name
+    label: "{{ mtv_warm_cutover_migration_name }}"
+
+- name: _process_cutover | Query Migrations by Label Selector
+  when:
+    - mtv_warm_cutover_item.names | default([], true) | length == 0
+    - mtv_warm_cutover_item.label_selectors | default([], true) | length > 0
+  kubernetes.core.k8s_info:
+    api_version: forklift.konveyor.io/v1beta1
+    kind: Migration
+    namespace: "{{ mtv_warm_cutover_namespace }}"
+    label_selectors: "{{ mtv_warm_cutover_item.label_selectors }}"
+  register: mtv_warm_cutover_by_selector
+
+- name: _process_cutover | Query Migrations by Plan Name
+  when:
+    - mtv_warm_cutover_item.names | default([], true) | length == 0
+    - mtv_warm_cutover_item.label_selectors | default([], true) | length == 0
+    - mtv_warm_cutover_item.plan_name | default("", true) | length > 0
+  kubernetes.core.k8s_info:
+    api_version: forklift.konveyor.io/v1beta1
+    kind: Migration
+    namespace: "{{ mtv_warm_cutover_namespace }}"
+  register: mtv_warm_cutover_by_plan_query
+
+- name: _process_cutover | Filter Migrations for Plan
+  when: mtv_warm_cutover_by_plan_query is not skipped
+  ansible.builtin.set_fact:
+    mtv_warm_cutover_by_plan:
+      resources: >-
+        {{ mtv_warm_cutover_by_plan_query.resources
+           | selectattr('spec.plan.name', 'equalto', mtv_warm_cutover_item.plan_name)
+           | list }}
+
+- name: _process_cutover | Build Migration List from Named Queries
+  when: mtv_warm_cutover_by_name is not skipped
+  ansible.builtin.set_fact:
+    mtv_warm_cutover_migrations: >-
+      {{ mtv_warm_cutover_by_name.results
+         | selectattr('resources', 'defined')
+         | map(attribute='resources')
+         | flatten }}
+
+- name: _process_cutover | Build Migration List from Selector
+  when: mtv_warm_cutover_by_selector is not skipped
+  ansible.builtin.set_fact:
+    mtv_warm_cutover_migrations: >-
+      {{ mtv_warm_cutover_by_selector.resources | default([]) }}
+
+- name: _process_cutover | Build Migration List from Plan
+  when:
+    - mtv_warm_cutover_by_plan is defined
+    - mtv_warm_cutover_by_plan is not skipped
+  ansible.builtin.set_fact:
+    mtv_warm_cutover_migrations: >-
+      {{ mtv_warm_cutover_by_plan.resources | default([]) }}
+
+- name: _process_cutover | Verify Migrations Found
+  ansible.builtin.assert:
+    that:
+      - mtv_warm_cutover_migrations | default([], true) | length > 0
+    fail_msg: >-
+      No Migration resources found in namespace
+      '{{ mtv_warm_cutover_namespace }}'
+      matching the provided criteria
+    quiet: true
+
+- name: _process_cutover | Determine Cutover Timestamp
+  ansible.builtin.set_fact:
+    mtv_warm_cutover_timestamp: >-
+      {{ mtv_warm_cutover_item.cutover
+         | default(now(utc=true, fmt='%Y-%m-%dT%H:%M:%SZ')) }}
+
+- name: _process_cutover | Trigger Cutover on Migrations
+  ansible.builtin.include_tasks:
+    file: _apply_cutover.yml
+  loop: "{{ mtv_warm_cutover_migrations }}"
+  loop_control:
+    loop_var: mtv_warm_cutover_migration
+    label: "{{ mtv_warm_cutover_migration.metadata.name }}"
+
+...

roles/mtv_warm_cutover/tasks/main.yml

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+---
+
+- name: Verify mtv_warm_cutover_request Variable Provided
+  ansible.builtin.assert:
+    that:
+      - mtv_warm_cutover_request | default("", true) | length > 0
+    fail_msg: "'mtv_warm_cutover_request' Variable Not Provided"
+    quiet: true
+
+- name: Process Warm Cutover Requests
+  ansible.builtin.include_tasks:
+    file: _process_cutover.yml
+  loop: "{{ mtv_warm_cutover_request }}"
+  loop_control:
+    loop_var: mtv_warm_cutover_item
+    label: >-
+      Namespace: {{ mtv_warm_cutover_item.namespace
+        | default(mtv_warm_cutover_default_namespace) }}
+
+...

roles/mtv_warm_cutover/tests/inventory

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+localhost

roles/mtv_warm_cutover/tests/test.yml

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+---
+- name: Test
+  hosts: localhost
+  remote_user: root
+  roles:
+    - mtv_warm_cutover
+...