3.4. Managing compute nodes¶
3.4.1. vinfra service compute node add¶
Add a node to the compute cluster:
usage: vinfra service compute node add [--compute] [--controller] [--force] <node>
--compute- Compute node role
--controller- Compute controller node role
--force- Skip checks for minimal hardware requirements
<node>- Node ID or hostname
Example:
# vinfra service compute node add 827a1f4e-56e5-404f-9113-88748c18f0c2 --compute
+---------+--------------------------------------+
| Field | Value |
+---------+--------------------------------------+
| task_id | 4c58e63c-31b6-406a-8070-9197445ec794 |
+---------+--------------------------------------+
This command creates a task to add the node with the ID 827a1f4e-56e5-404f-9113-88748c18f0c2 to the compute cluster with the compute role.
Task outcome:
# vinfra task show 4c58e63c-31b6-406a-8070-9197445ec794
+---------+--------------------------------------------------------+
| Field | Value |
+---------+--------------------------------------------------------+
| details | |
| name | backend.presentation.compute.tasks.AddComputeNodesTask |
| result | |
| state | success |
| task_id | 4c58e63c-31b6-406a-8070-9197445ec794 |
+---------+--------------------------------------------------------+
3.4.2. vinfra service compute node list¶
List compute nodes:
usage: vinfra service compute node list [--long]
--long- Enable access and listing of all fields of objects.
Example:
# vinfra service compute node list
+--------------------------------------+------------------------+-------+-----+
| id | host | state | vms |
+--------------------------------------+------------------------+-------+-----+
| 7ffa9540-5a20-41d1-b203-e3f349d62565 | node001.vstoragedomain | up | 1 |
| 6e8afc28-7f71-4848-bdbe-7c5de64c5013 | node002.vstoragedomain | up | 1 |
| 02ff64ae-5800-4090-b958-18b1fe8f5060 | node003.vstoragedomain | up | 1 |
| 827a1f4e-56e5-404f-9113-88748c18f0c2 | node004.vstoragedomain | up | 0 |
| 37c70bfb-c289-4794-8be4-b7a40c2b6d95 | node005.vstoragedomain | up | 1 |
+--------------------------------------+------------------------+-------+-----+
This command lists nodes in the compute cluster.
3.4.3. vinfra service compute node show¶
Display compute node details:
usage: vinfra service compute node show <node>
<node>- Node ID or hostname
Example:
# vinfra service compute node show 7ffa9540-5a20-41d1-b203-e3f349d62565
+---------------+------------------------------------------+
| Field | Value |
+---------------+------------------------------------------+
| host | node001.vstoragedomain |
| host_ip | 10.37.130.101 |
| hypervisor | id: 86f1ca2c-71c7-47a0-9c7f-bb9dd705e67e |
| | state: up |
| | status: enabled |
| | vms: 0 |
| id | 7ffa9540-5a20-41d1-b203-e3f349d62565 |
| orig_hostname | node001 |
| placements | [] |
| roles | - controller |
| | - compute |
| services | - name: cinder-scheduler |
| | state: healthy |
| | - name: cinder-volume |
| | state: healthy |
| | - name: neutron-dhcp-agent |
| | state: healthy |
| | - name: neutron-l3-agent |
| | state: healthy |
| | - name: neutron-metadata-agent |
| | state: healthy |
| | - name: neutron-openvswitch-agent |
| | state: healthy |
| | - name: nova-compute |
| | state: healthy |
| | - name: nova-conductor |
| | state: healthy |
| | - name: nova-scheduler |
| | state: healthy |
| state | healthy |
+---------------+------------------------------------------+
This command shows the details of the compute node with the ID 7ffa9540-5a20-41d1-b203-e3f349d62565.
3.4.4. vinfra service compute node fence¶
Fence a compute node:
usage: vinfra service compute node fence <node>
<node>- Node ID or hostname
Example:
# vinfra service compute node fence e6255aed-d6e7-41b2-ba90-86164c1cd9a6
Operation successful
This command fences the node with the ID e6255aed-d6e7-41b2-ba90-86164c1cd9a6.
3.4.5. vinfra service compute node unfence¶
Unfence a compute node:
usage: vinfra service compute node unfence <node>
<node>- Node ID or hostname
Example:
# vinfra service compute node unfence e6255aed-d6e7-41b2-ba90-86164c1cd9a6
Operation successful
This command unfences the node with the ID e6255aed-d6e7-41b2-ba90-86164c1cd9a6.
3.4.6. vinfra service compute node release¶
Release a node from the compute cluster:
usage: vinfra service compute node release [--compute] [--controller] <node>
--compute- Compute node role
--controller- Compute controller node role
<node>- Node ID or hostname
Example:
# vinfra service compute node release 827a1f4e-56e5-404f-9113-88748c18f0c2
+---------+--------------------------------------+
| Field | Value |
+---------+--------------------------------------+
| task_id | 3b39738c-80a6-40a6-a50d-c3c8118ed212 |
+---------+--------------------------------------+
This command creates a task to release the node with the ID 827a1f4e-56e5-404f-9113-88748c18f0c2 from the compute cluster.
Task outcome:
# vinfra task show 3b39738c-80a6-40a6-a50d-c3c8118ed212
+---------+-----------------------------------------------------------+
| Field | Value |
+---------+-----------------------------------------------------------+
| details | |
| name | backend.presentation.compute.tasks.DeleteComputeNodesTask |
| result | |
| state | success |
| task_id | 3b39738c-80a6-40a6-a50d-c3c8118ed212 |
+---------+-----------------------------------------------------------+
Oct 06, 2020