# 1. Boot an instance pinned to az1

sh-5.1$ openstack server create --flavor m1.small --image cirros --network private --security-group basic --availability-zone az1 test_migrate
+-------------------------------------+-------------------------------------------------+
| Field                               | Value                                           |
+-------------------------------------+-------------------------------------------------+
| OS-DCF:diskConfig                   | MANUAL                                          |
| OS-EXT-AZ:availability_zone         | az1                                             |
| OS-EXT-SRV-ATTR:host                | None                                            |
| OS-EXT-SRV-ATTR:hypervisor_hostname | None                                            |
| OS-EXT-SRV-ATTR:instance_name       |                                                 |
| OS-EXT-STS:power_state              | NOSTATE                                         |
| OS-EXT-STS:task_state               | scheduling                                      |
| OS-EXT-STS:vm_state                 | building                                        |
| OS-SRV-USG:launched_at              | None                                            |
| OS-SRV-USG:terminated_at            | None                                            |
| accessIPv4                          |                                                 |
| accessIPv6                          |                                                 |
| addresses                           |                                                 |
| adminPass                           | iWm3iAMcPYeP                                    |
| config_drive                        |                                                 |
| created                             | 2025-12-12T19:45:58Z                            |
| flavor                              | m1.small (8fb906e9-9dc5-48b1-9e10-3ed3e3184ee1) |
| hostId                              |                                                 |
| id                                  | 1b1a293c-93bc-4baf-96bb-7b3e238205ac            |
| image                               | cirros (4789f411-3e3e-487c-a21e-3e504bb3fc3e)   |
| key_name                            | None                                            |
| name                                | test_migrate                                    |
| progress                            | 0                                               |
| project_id                          | 298b0e9ac30949318034a35ba17718a6                |
| properties                          |                                                 |
| security_groups                     | name='4d83cce6-4a02-4a2f-acaa-f84a79f45f26'     |
| status                              | BUILD                                           |
| updated                             | 2025-12-12T19:45:59Z                            |
| user_id                             | a39f916ed5c341f89c2a542f9b0472b9                |
| volumes_attached                    |                                                 |
+-------------------------------------+-------------------------------------------------+
sh-5.1$ 
sh-5.1$ openstack server list
+--------------------------------------+--------------+--------+-----------------------+--------+----------+
| ID                                   | Name         | Status | Networks              | Image  | Flavor   |
+--------------------------------------+--------------+--------+-----------------------+--------+----------+
| 1b1a293c-93bc-4baf-96bb-7b3e238205ac | test_migrate | ACTIVE | private=192.168.0.105 | cirros | m1.small |
+--------------------------------------+--------------+--------+-----------------------+--------+----------+
sh-5.1$


# 2. Unpin it

sh-5.1$ SERVER_UUID=$(openstack server show test_migrate -f value -c id)
sh-5.1$ TOKEN=$(openstack token issue -f value -c id)
sh-5.1$ 
sh-5.1$ curl -X PUT "https://nova-internal.openstack.svc:8774/v2.1/servers/${SERVER_UUID}" \
    -H "X-Auth-Token: ${TOKEN}" \
    -H "Content-Type: application/json" \
    -H "X-OpenStack-Nova-API-Version: 2.94" \
    -d '{"server": {"pinned_availability_zone": null}}'
{"server": {"id": "1b1a293c-93bc-4baf-96bb-7b3e238205ac", "name": "test_migrate", "status": "ACTIVE", "tenant_id": "298b0e9ac30949318034a35ba17718a6", "user_id": "a39f916ed5c341f89c2a542f9b0472b9", "metadata": {}, "hostId": "9fb515de712f9c7add9c94da6fde4d4a3af74842686881bebee6c846", "image": {"id": "4789f411-3e3e-487c-a21e-3e504bb3fc3e", "links": [{"rel": "bookmark", "href": "https://nova-internal.openstack.svc:8774/images/4789f411-3e3e-487c-a21e-3e504bb3fc3e"}]}, "flavor": {"vcpus": 1, "ram": 512, "disk": 1, "ephemeral": 1, "swap": 0, "original_name": "m1.small", "extra_specs": {}}, "created": "2025-12-12T19:45:58Z", "updated": "2025-12-12T19:46:16Z", "addresses": {"private": [{"version": 4, "addr": "192.168.0.105", "OS-EXT-IPS:type": "fixed", "OS-EXT-IPS-MAC:mac_addr": "fa:16:3e:2a:b4:0b"}]}, "accessIPv4": "", "accessIPv6": "", "links": [{"rel": "self", "href": "https://nova-internal.openstack.svc:8774/v2.1/servers/1b1a293c-93bc-4baf-96bb-7b3e238205ac"}, {"rel": "bookmark", "href": "https://nova-internal.openstack.svc:8774/servers/1b1a293c-93bc-4baf-96bb-7b3e238205ac"}], "OS-DCF:diskConfig": "MANUAL", "progress": 0, "OS-EXT-AZ:availability_zone": "az1", "config_drive": "True", "key_name": null, "OS-SRV-USG:launched_at": "2025-12-12T19:46:16.000000", "OS-SRV-USG:terminated_at": null, "security_groups": [{"name": "basic"}], "OS-EXT-SRV-ATTR:host": "edpm-compute-0.ctlplane.example.com", "OS-EXT-SRV-ATTR:instance_name": "instance-00000003", "OS-EXT-SRV-ATTR:hypervisor_hostname": "edpm-compute-0.ctlplane.example.com", "OS-EXT-SRV-ATTR:reservation_id": "r-hdjdnd83", "OS-EXT-SRV-ATTR:launch_index": 0, "OS-EXT-SRV-ATTR:hostname": "test-migrate", "OS-EXT-SRV-ATTR:kernel_id": "", "OS-EXT-SRV-ATTR:ramdisk_id": "", "OS-EXT-SRV-ATTR:root_device_name": "/dev/vda", "OS-EXT-SRV-ATTR:user_data": null, "OS-EXT-STS:task_state": null, "OS-EXT-STS:vm_state": "active", "OS-EXT-STS:power_state": 1, "os-extended-volumes:volumes_attached": [], "host_status": "UP", "locked": false, "locked_reason": null, "description": "test_migrate", "tags": [], "trusted_image_certificates": null, "server_groups": []}}sh-5.1$ 
sh-5.1$ 


sh-5.1$   curl -s -X GET "https://nova-internal.openstack.svc:8774/v2.1/servers/${SERVER_UUID}" \
      -H "X-Auth-Token: ${TOKEN}" \
      -H "X-OpenStack-Nova-API-Version: 2.96" | python3 -m json.tool | grep -E "(pinned_availability_zone|availability_zone)"
        "OS-EXT-AZ:availability_zone": "az1",
        "pinned_availability_zone": null,
sh-5.1$ 


# 3. Live migrate the instance to az2

sh-5.1$ openstack server migrate --live-migration --os-compute-api-version 2.77 --host edpm-compute-1.ctlplane.example.com ${SERVER_UUID}
sh-5.1$ openstack server list
+--------------------------------------+--------------+-----------+-----------------------+--------+----------+
| ID                                   | Name         | Status    | Networks              | Image  | Flavor   |
+--------------------------------------+--------------+-----------+-----------------------+--------+----------+
| 1b1a293c-93bc-4baf-96bb-7b3e238205ac | test_migrate | MIGRATING | private=192.168.0.105 | cirros | m1.small |
+--------------------------------------+--------------+-----------+-----------------------+--------+----------+
sh-5.1$ 

sh-5.1$ openstack server list
+--------------------------------------+--------------+--------+-----------------------+--------+----------+
| ID                                   | Name         | Status | Networks              | Image  | Flavor   |
+--------------------------------------+--------------+--------+-----------------------+--------+----------+
| 1b1a293c-93bc-4baf-96bb-7b3e238205ac | test_migrate | ACTIVE | private=192.168.0.105 | cirros | m1.small |
+--------------------------------------+--------------+--------+-----------------------+--------+----------+
sh-5.1$ 

sh-5.1$ openstack server show test_migrate -c name -c status -c 'OS-EXT-AZ:availability_zone' -c 'OS-EXT-SRV-ATTR:host'
+-----------------------------+-------------------------------------+
| Field                       | Value                               |
+-----------------------------+-------------------------------------+
| OS-EXT-AZ:availability_zone | az2                                 |
| OS-EXT-SRV-ATTR:host        | edpm-compute-1.ctlplane.example.com |
| name                        | test_migrate                        |
| status                      | ACTIVE                              |
+-----------------------------+-------------------------------------+
sh-5.1$