Nova计算服务
计算服务是openstack最核心的服务之一，负责维护和管理云环境的计算资源，它在openstack项目中代号是nova。
Nova自身并没有提供任何虚拟化能力，它提供计算服务，使用不同的虚拟化驱动来与底层支持==Hypervisor(虚拟机管理器)==进行交互。所有的计算实例(虚拟服务器)由Nova进行生命周期的调度管理(启动、挂起、停止、删除等)
Nova需要keystone、glance、neutron、cinder和swift等其他服务的支持，能与这些服务集成，实现如加密磁盘、裸金属计算实例等
步骤：
列出云初级实例类型
[root@admin ~(keystone_admin)]# nova flavor-list
+----+-----------+------------+------+-----------+------+-------+-------------+-----------+-------------+
| ID | Name | Memory_MiB | Disk | Ephemeral | Swap | VCPUs | RXTX_Factor | Is_Public | Description |
+----+-----------+------------+------+-----------+------+-------+-------------+-----------+-------------+
| 1 | m1.tiny | 512 | 1 | 0 | 0 | 1 | 1.0 | True | - |
| 2 | m1.small | 2048 | 20 | 0 | 0 | 1 | 1.0 | True | - |
| 3 | m1.medium | 4096 | 40 | 0 | 0 | 2 | 1.0 | True | - |
| 4 | m1.large | 8192 | 80 | 0 | 0 | 4 | 1.0 | True | - |
| 5 | m1.xlarge | 16384 | 160 | 0 | 0 | 8 | 1.0 | True | - |
+----+-----------+------------+------+-----------+------+-------+-------------+-----------+-------------+
[root@admin ~(keystone_admin)]#
创建一个名为test，ID为6，内存为2048MB，磁盘为20GB，vCPU数量为2的云主机规格
[root@admin ~(keystone_admin)]# nova flavor-create test 6 2048 20 2
+----+------+------------+------+-----------+------+-------+-------------+-----------+-------------+
| ID | Name | Memory_MiB | Disk | Ephemeral | Swap | VCPUs | RXTX_Factor | Is_Public | Description |
+----+------+------------+------+-----------+------+-------+-------------+-----------+-------------+
| 6 | test | 2048 | 20 | 0 | 0 | 2 | 1.0 | True | - |
+----+------+------------+------+-----------+------+-------+-------------+-----------+-------------+
[root@admin ~(keystone_admin)]#
查看test云主机类型的详细信息
[root@admin ~(keystone_admin)]# nova flavor-show test
+----------------------------+-------+
| Property | Value |
+----------------------------+-------+
| OS-FLV-DISABLED:disabled | False |
| OS-FLV-EXT-DATA:ephemeral | 0 |
| description | - |
| disk | 20 |
| extra_specs | {} |
| id | 6 |
| name | test |
| os-flavor-access:is_public | True |
| ram | 2048 |
| rxtx_factor | 1.0 |
| swap | 0 |
| vcpus | 2 |
+----------------------------+-------+
[root@admin ~(keystone_admin)]#
openstack 命令创建一个云主机规格
[root@admin ~(keystone_admin)]# openstack flavor create myy --id 7 --ram 2048 --disk 20 --vcpu 2
+----------------------------+-------+
| Field | Value |
+----------------------------+-------+
| OS-FLV-DISABLED:disabled | False |
| OS-FLV-EXT-DATA:ephemeral | 0 |
| disk | 20 |
| id | 7 |
| name | myy |
| os-flavor-access:is_public | True |
| properties | |
| ram | 2048 |
| rxtx_factor | 1.0 |
| swap | |
| vcpus | 2 |
+----------------------------+-------+
[root@admin ~(keystone_admin)]# openstack flavor list
+----+-----------+-------+------+-----------+-------+-----------+
| ID | Name | RAM | Disk | Ephemeral | VCPUs | Is Public |
+----+-----------+-------+------+-----------+-------+-----------+
| 1 | m1.tiny | 512 | 1 | 0 | 1 | True |
| 2 | m1.small | 2048 | 20 | 0 | 1 | True |
| 3 | m1.medium | 4096 | 40 | 0 | 2 | True |
| 4 | m1.large | 8192 | 80 | 0 | 4 | True |
| 5 | m1.xlarge | 16384 | 160 | 0 | 8 | True |
| 6 | test | 2048 | 20 | 0 | 2 | True |
| 7 | myy | 2048 | 20 | 0 | 2 | True |
+----+-----------+-------+------+-----------+-------+-----------+
[root@admin ~(keystone_admin)]#
openstack查看规格信息
[root@admin ~(keystone_admin)]# openstack flavor show myy
+----------------------------+-------+
| Field | Value |
+----------------------------+-------+
| OS-FLV-DISABLED:disabled | False |
| OS-FLV-EXT-DATA:ephemeral | 0 |
| access_project_ids | None |
| disk | 20 |
| id | 7 |
| name | myy |
| os-flavor-access:is_public | True |
| properties | |
| ram | 2048 |
| rxtx_factor | 1.0 |
| swap | |
| vcpus | 2 |
+----------------------------+-------+
创建云主机 用的网络ID号 （--flavor 7使用的是第七个规格、centos 镜像）
[root@admin ~(keystone_admin)]# openstack network list
+--------------------------------------+---------+--------------------------------------+
| ID | Name | Subnets |
+--------------------------------------+---------+--------------------------------------+
| 346d8774-1c11-4e0d-97ee-48e81f572235 | public | 5c0eaeae-22de-4897-b092-7a023d67b941 |
| 67e80067-d5d4-46e1-8be4-4a3cc2c0c1b8 | private | b0af7bd2-ee35-442d-821e-82a3527f0c6c |
| 8d9475f4-360c-4e41-8159-5346497f66c4 | private | 360437f5-6d99-4ec5-9cc9-15454879be3b |
+--------------------------------------+---------+--------------------------------------+
[root@admin ~(keystone_admin)]# openstack server create --flavor 7 --image centos --network 67e80067-d5d4-46e1-8be4-4a3cc2c0c1b8 myyyyyy
+-------------------------------------+-----------------------------------------------+
| Field | Value |
+-------------------------------------+-----------------------------------------------+
| OS-DCF:diskConfig | MANUAL |
| OS-EXT-AZ:availability_zone | |
| 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 | 48Zh9E6wEoiN |
| config_drive | |
| created | 2024-03-26T03:53:39Z |
| flavor | myy (7) |
| hostId | |
| id | eac19e5d-3965-4888-bd7b-dad5fd6db330 |
| image | centos (07e9b45f-2cc9-4db8-854c-2ab78e8d330d) |
| key_name | None |
| name | myyyyyy |
| progress | 0 |
| project_id | 009a94428fb84a0db16aa4a1adab9a35 |
| properties | |
| security_groups | name='default' |
| status | BUILD |
| updated | 2024-03-26T03:53:40Z |
| user_id | 8dbf97f777ee4846878acb44e55f6cdf |
| volumes_attached | |
+-------------------------------------+-----------------------------------------------+
[root@admin ~(keystone_admin)]#
删除创建的云主机
[root@admin ~(keystone_admin)]# openstack server delete myyyyyy
[root@admin ~(keystone_admin)]# openstack server list
+--------------------------------------+---------+--------+---------------------------------------+-------+----------+
| ID | Name | Status | Networks | Image | Flavor |
+--------------------------------------+---------+--------+---------------------------------------+-------+----------+
| 7a105fa6-782e-4d45-966f-e17acd9d39e4 | centos7 | ACTIVE | private=192.168.100.186, 172.24.4.157 | | m1.small |
+--------------------------------------+---------+--------+---------------------------------------+-------+----------+
[root@admin ~(keystone_admin)]#
用NOVA创建云主机 网络名称用ID号
[root@admin ~(keystone_admin)]# openstack network list
+--------------------------------------+---------+--------------------------------------+
| ID | Name | Subnets |
+--------------------------------------+---------+--------------------------------------+
| 346d8774-1c11-4e0d-97ee-48e81f572235 | public | 5c0eaeae-22de-4897-b092-7a023d67b941 |
| 67e80067-d5d4-46e1-8be4-4a3cc2c0c1b8 | private | b0af7bd2-ee35-442d-821e-82a3527f0c6c |
| 8d9475f4-360c-4e41-8159-5346497f66c4 | private | 360437f5-6d99-4ec5-9cc9-15454879be3b |
+--------------------------------------+---------+--------------------------------------+
[root@admin ~(keystone_admin)]# nova boot --image centos --flavor 7 --nic net-id=8d9475f4-360c-4e41-8159-5346497f66c4 my123
+--------------------------------------+-----------------------------------------------+
| Property | Value |
+--------------------------------------+-----------------------------------------------+
| OS-DCF:diskConfig | MANUAL |
| OS-EXT-AZ:availability_zone | |
| OS-EXT-SRV-ATTR:host | - |
| OS-EXT-SRV-ATTR:hostname | my123 |
| OS-EXT-SRV-ATTR:hypervisor_hostname | - |
| OS-EXT-SRV-ATTR:instance_name | |
| OS-EXT-SRV-ATTR:kernel_id | |
| OS-EXT-SRV-ATTR:launch_index | 0 |
| OS-EXT-SRV-ATTR:ramdisk_id | |
| OS-EXT-SRV-ATTR:reservation_id | r-ojkb2w4c |
| OS-EXT-SRV-ATTR:root_device_name | - |
| OS-EXT-SRV-ATTR:user_data | - |
| OS-EXT-STS:power_state | 0 |
| OS-EXT-STS:task_state | scheduling |
| OS-EXT-STS:vm_state | building |
| OS-SRV-USG:launched_at | - |
| OS-SRV-USG:terminated_at | - |
| accessIPv4 | |
| accessIPv6 | |
| adminPass | eJo3wPCGdqA2 |
| config_drive | |
| created | 2024-03-26T04:00:12Z |
| description | - |
| flavor:disk | 20 |
| flavor:ephemeral | 0 |
| flavor:extra_specs | {} |
| flavor:original_name | myy |
| flavor:ram | 2048 |
| flavor:swap | 0 |
| flavor:vcpus | 2 |
| hostId | |
| host_status | |
| id | c266f6b9-59d8-4fc7-93a4-fa8de30eff07 |
| image | centos (07e9b45f-2cc9-4db8-854c-2ab78e8d330d) |
| key_name | - |
| locked | False |
| locked_reason | - |
| metadata | {} |
| name | my123 |
| os-extended-volumes:volumes_attached | [] |
| progress | 0 |
| security_groups | default |
| server_groups | [] |
| status | BUILD |
| tags | [] |
| tenant_id | 009a94428fb84a0db16aa4a1adab9a35 |
| trusted_image_certificates | - |
| updated | 2024-03-26T04:00:13Z |
| user_id | 8dbf97f777ee4846878acb44e55f6cdf |
+--------------------------------------+-----------------------------------------------+
[root@admin ~(keystone_admin)]#
列出当前系统存在的云主机（实例）
[root@admin ~(keystone_admin)]# nova list
+--------------------------------------+---------+--------+------------+-------------+---------------------------------------+
| ID | Name | Status | Task State | Power State | Networks |
+--------------------------------------+---------+--------+------------+-------------+---------------------------------------+
| 7a105fa6-782e-4d45-966f-e17acd9d39e4 | centos7 | ACTIVE | - | Running | private=192.168.100.186, 172.24.4.157 |
| c266f6b9-59d8-4fc7-93a4-fa8de30eff07 | my123 | ACTIVE | - | Running | private=192.168.100.199 |
+--------------------------------------+---------+--------+------------+-------------+---------------------------------------+
[root@admin ~(keystone_admin)]#
列出云主机部分信息
[root@admin ~(keystone_admin)]# nova list --fields "name,status" --name my123
+--------------------------------------+-------+--------+
| ID | Name | Status |
+--------------------------------------+-------+--------+
| c266f6b9-59d8-4fc7-93a4-fa8de30eff07 | my123 | ACTIVE |
+--------------------------------------+-------+--------+
[root@admin ~(keystone_admin)]#
列出实例的访问方法
此处有两种
[root@admin ~(keystone_admin)]# nova get-vnc-console my123 novnc
+-------+------------------------------------------------------------------------------------------------+
| Type | Url |
+-------+------------------------------------------------------------------------------------------------+
| novnc | http://192.168.200.146:6080/vnc_auto.html?path=%3Ftoken%3De149f429-7ed5-4bab-9bb0-58726c8f6e79 |
+-------+------------------------------------------------------------------------------------------------+
[root@admin ~(keystone_admin)]# openstack console url show my123
+-------+------------------------------------------------------------------------------------------------+
| Field | Value |
+-------+------------------------------------------------------------------------------------------------+
| type | novnc |
| url | http://192.168.200.146:6080/vnc_auto.html?path=%3Ftoken%3D0aa31aba-c0d8-4992-9c5d-0c11baee179e |
+-------+------------------------------------------------------------------------------------------------+
[root@admin ~(keystone_admin)]#
查看云主机状态
[root@admin ~(keystone_admin)]# nova show my123
+--------------------------------------+----------------------------------------------------------+
| Property | Value |
+--------------------------------------+----------------------------------------------------------+
| OS-DCF:diskConfig | MANUAL |
| OS-EXT-AZ:availability_zone | nova |
| OS-EXT-SRV-ATTR:host | localhost.localdomain |
| OS-EXT-SRV-ATTR:hostname | my123 |
| OS-EXT-SRV-ATTR:hypervisor_hostname | localhost.localdomain |
| OS-EXT-SRV-ATTR:instance_name | instance-00000003 |
| OS-EXT-SRV-ATTR:kernel_id | |
| OS-EXT-SRV-ATTR:launch_index | 0 |
| OS-EXT-SRV-ATTR:ramdisk_id | |
| OS-EXT-SRV-ATTR:reservation_id | r-ojkb2w4c |
| OS-EXT-SRV-ATTR:root_device_name | /dev/vda |
| OS-EXT-SRV-ATTR:user_data | - |
| OS-EXT-STS:power_state | 1 |
| OS-EXT-STS:task_state | - |
| OS-EXT-STS:vm_state | active |
| OS-SRV-USG:launched_at | 2024-03-26T04:00:26.000000 |
| OS-SRV-USG:terminated_at | - |
| accessIPv4 | |
| accessIPv6 | |
| config_drive | |
| created | 2024-03-26T04:00:12Z |
| description | - |
| flavor:disk | 20 |
| flavor:ephemeral | 0 |
| flavor:extra_specs | {} |
| flavor:original_name | myy |
| flavor:ram | 2048 |
| flavor:swap | 0 |
| flavor:vcpus | 2 |
| hostId | 26732ede55bb4c8c479ece42ddbc24d3ace0c9de0698eedde50fa531 |
| host_status | UP |
| id | c266f6b9-59d8-4fc7-93a4-fa8de30eff07 |
| image | centos (07e9b45f-2cc9-4db8-854c-2ab78e8d330d) |
| key_name | - |
| locked | False |
| locked_reason | - |
| metadata | {} |
| name | my123 |
| os-extended-volumes:volumes_attached | [] |
| private network | 192.168.100.199 |
| progress | 0 |
| security_groups | default |
| server_groups | [] |
| status | ACTIVE |
| tags | [] |
| tenant_id | 009a94428fb84a0db16aa4a1adab9a35 |
| trusted_image_certificates | - |
| updated | 2024-03-26T04:00:26Z |
| user_id | 8dbf97f777ee4846878acb44e55f6cdf |
+--------------------------------------+----------------------------------------------------------+
[root@admin ~(keystone_admin)]#
创建一个云硬盘
oot@admin ~(keystone_admin)]# cinder create --name imag 20
+--------------------------------+--------------------------------------+
| Property | Value |
+--------------------------------+--------------------------------------+
| attachments | [] |
| availability_zone | nova |
| bootable | false |
| consistencygroup_id | None |
| created_at | 2024-03-26T05:24:07.000000 |
| description | None |
| encrypted | False |
| group_id | None |
| id | bd16e14d-0d0a-4592-aa1f-3b4f9f1ffb22 |
| metadata | {} |
| migration_status | None |
| multiattach | False |
| name | imag |
| os-vol-host-attr:host | None |
| os-vol-mig-status-attr:migstat | None |
| os-vol-mig-status-attr:name_id | None |
| os-vol-tenant-attr:tenant_id | 009a94428fb84a0db16aa4a1adab9a35 |
| provider_id | None |
| replication_status | None |
| service_uuid | None |
| shared_targets | True |
| size | 20 |
| snapshot_id | None |
| source_volid | None |
| status | creating |
| updated_at | None |
| user_id | 8dbf97f777ee4846878acb44e55f6cdf |
| volume_type | iscsi |
+--------------------------------+--------------------------------------+
[root@admin ~(keystone_admin)]# openstack volume list
+--------------------------------------+------+-----------+------+----------------------------------+
| ID | Name | Status | Size | Attached to |
+--------------------------------------+------+-----------+------+----------------------------------+
| bd16e14d-0d0a-4592-aa1f-3b4f9f1ffb22 | imag | available | 20 | |
| b122c843-b8e2-4020-844e-0aa7603c2702 | | in-use | 20 | Attached to centos7 on /dev/vda |
+--------------------------------------+------+-----------+------+----------------------------------+
[root@admin ~(keystone_admin)]# cinder list
+--------------------------------------+--------+------+------+-------------+----------+--------------------------------------+
| ID | Status | Name | Size | Volume Type | Bootable | Attached to |
+--------------------------------------+--------+------+------+-------------+----------+--------------------------------------+
| b122c843-b8e2-4020-844e-0aa7603c2702 | in-use | | 20 | iscsi | true | 7a105fa6-782e-4d45-966f-e17acd9d39e4 |
| bd16e14d-0d0a-4592-aa1f-3b4f9f1ffb22 | in-use | imag | 20 | iscsi | false | c266f6b9-59d8-4fc7-93a4-fa8de30eff07 |
+--------------------------------------+--------+------+------+-------------+----------+--------------------------------------+
[root@admin ~(keystone_admin)]#
挂载云硬盘
两种方法
[root@admin ~(keystone_admin)]# openstack server list
+--------------------------------------+---------+--------+---------------------------------------+--------+----------+
| ID | Name | Status | Networks | Image | Flavor |
+--------------------------------------+---------+--------+---------------------------------------+--------+----------+
| c266f6b9-59d8-4fc7-93a4-fa8de30eff07 | my123 | ACTIVE | private=192.168.100.199 | centos | myy |
| 7a105fa6-782e-4d45-966f-e17acd9d39e4 | centos7 | ACTIVE | private=192.168.100.186, 172.24.4.157 | | m1.small |
+--------------------------------------+---------+--------+---------------------------------------+--------+----------+
[root@admin ~(keystone_admin)]# nova volume-attach c266f6b9-59d8-4fc7-93a4-fa8de30eff07 bd16e14d-0d0a-4592-aa1f-3b4f9f1ffb22
+-----------------------+--------------------------------------+
| Property | Value |
+-----------------------+--------------------------------------+
| delete_on_termination | False |
| device | /dev/vdb |
| id | bd16e14d-0d0a-4592-aa1f-3b4f9f1ffb22 |
| serverId | c266f6b9-59d8-4fc7-93a4-fa8de30eff07 |
| tag | - |
| volumeId | bd16e14d-0d0a-4592-aa1f-3b4f9f1ffb22 |
+-----------------------+--------------------------------------+
[root@admin ~(keystone_admin)]#
卸载云硬盘
[root@admin ~(keystone_admin)]# nova volume-detach c266f6b9-59d8-4fc7-93a4-fa8de30eff07 bd16e14d-0d0a-4592-aa1f-3b4f9f1ffb22
You have new mail in /var/spool/mail/root
[root@admin ~(keystone_admin)]#
openstack 挂载
[root@admin ~(keystone_admin)]# openstack server add volume my123 imag
[root@admin ~(keystone_admin)]# nova show c266f6b9-59d8-4fc7-93a4-fa8de30eff07
+--------------------------------------+----------------------------------------------------------------------------------+
| Property | Value |
+--------------------------------------+----------------------------------------------------------------------------------+
| OS-DCF:diskConfig | MANUAL |
| OS-EXT-AZ:availability_zone | nova |
| OS-EXT-SRV-ATTR:host | localhost.localdomain |
| OS-EXT-SRV-ATTR:hostname | my123 |
| OS-EXT-SRV-ATTR:hypervisor_hostname | localhost.localdomain |
| OS-EXT-SRV-ATTR:instance_name | instance-00000003 |
| OS-EXT-SRV-ATTR:kernel_id | |
| OS-EXT-SRV-ATTR:launch_index | 0 |
| OS-EXT-SRV-ATTR:ramdisk_id | |
| OS-EXT-SRV-ATTR:reservation_id | r-ojkb2w4c |
| OS-EXT-SRV-ATTR:root_device_name | /dev/vda |
| OS-EXT-SRV-ATTR:user_data | - |
| OS-EXT-STS:power_state | 1 |
| OS-EXT-STS:task_state | - |
| OS-EXT-STS:vm_state | active |
| OS-SRV-USG:launched_at | 2024-03-26T04:00:26.000000 |
| OS-SRV-USG:terminated_at | - |
| accessIPv4 | |
| accessIPv6 | |
| config_drive | |
| created | 2024-03-26T04:00:12Z |
| description | - |
| flavor:disk | 20 |
| flavor:ephemeral | 0 |
| flavor:extra_specs | {} |
| flavor:original_name | myy |
| flavor:ram | 2048 |
| flavor:swap | 0 |
| flavor:vcpus | 2 |
| hostId | 26732ede55bb4c8c479ece42ddbc24d3ace0c9de0698eedde50fa531 |
| host_status | UP |
| id | c266f6b9-59d8-4fc7-93a4-fa8de30eff07 |
| image | centos (07e9b45f-2cc9-4db8-854c-2ab78e8d330d) |
| key_name | - |
| locked | False |
| locked_reason | - |
| metadata | {} |
| name | my123 |
| os-extended-volumes:volumes_attached | [{"id": "bd16e14d-0d0a-4592-aa1f-3b4f9f1ffb22", "delete_on_termination": false}] |
| private network | 192.168.100.199 |
| progress | 0 |
| security_groups | default |
| server_groups | [] |
| status | ACTIVE |
| tags | [] |
| tenant_id | 009a94428fb84a0db16aa4a1adab9a35 |
| trusted_image_certificates | - |
| updated | 2024-03-26T04:00:26Z |
| user_id | 8dbf97f777ee4846878acb44e55f6cdf |
+--------------------------------------+----------------------------------------------------------------------------------+
[root@admin ~(keystone_admin)]#
（ os-extended-volumes:volumes_attached | [{"id": "bd16e14d-0d0a-4592-aa1f-3b4f9f1ffb22", "delete_on_termination": false}] |） 挂载信息
[root@admin ~(keystone_admin)]# openstack server remove volume my123 imag
[root@admin ~(keystone_admin)]# nova show c266f6b9-59d8-4fc7-93a4-fa8de30eff07
+--------------------------------------+----------------------------------------------------------+
| Property | Value |
+--------------------------------------+----------------------------------------------------------+
| OS-DCF:diskConfig | MANUAL |
| OS-EXT-AZ:availability_zone | nova |
| OS-EXT-SRV-ATTR:host | localhost.localdomain |
| OS-EXT-SRV-ATTR:hostname | my123 |
| OS-EXT-SRV-ATTR:hypervisor_hostname | localhost.localdomain |
| OS-EXT-SRV-ATTR:instance_name | instance-00000003 |
| OS-EXT-SRV-ATTR:kernel_id | |
| OS-EXT-SRV-ATTR:launch_index | 0 |
| OS-EXT-SRV-ATTR:ramdisk_id | |
| OS-EXT-SRV-ATTR:reservation_id | r-ojkb2w4c |
| OS-EXT-SRV-ATTR:root_device_name | /dev/vda |
| OS-EXT-SRV-ATTR:user_data | - |
| OS-EXT-STS:power_state | 1 |
| OS-EXT-STS:task_state | - |
| OS-EXT-STS:vm_state | active |
| OS-SRV-USG:launched_at | 2024-03-26T04:00:26.000000 |
| OS-SRV-USG:terminated_at | - |
| accessIPv4 | |
| accessIPv6 | |
| config_drive | |
| created | 2024-03-26T04:00:12Z |
| description | - |
| flavor:disk | 20 |
| flavor:ephemeral | 0 |
| flavor:extra_specs | {} |
| flavor:original_name | myy |
| flavor:ram | 2048 |
| flavor:swap | 0 |
| flavor:vcpus | 2 |
| hostId | 26732ede55bb4c8c479ece42ddbc24d3ace0c9de0698eedde50fa531 |
| host_status | UP |
| id | c266f6b9-59d8-4fc7-93a4-fa8de30eff07 |
| image | centos (07e9b45f-2cc9-4db8-854c-2ab78e8d330d) |
| key_name | - |
| locked | False |
| locked_reason | - |
| metadata | {} |
| name | my123 |
| os-extended-volumes:volumes_attached | [] |
| private network | 192.168.100.199 |
| progress | 0 |
| security_groups | default |
| server_groups | [] |
| status | ACTIVE |
| tags | [] |
| tenant_id | 009a94428fb84a0db16aa4a1adab9a35 |
| trusted_image_certificates | - |
| updated | 2024-03-26T04:00:26Z |
| user_id | 8dbf97f777ee4846878acb44e55f6cdf |
+--------------------------------------+----------------------------------------------------------+
[root@admin ~(keystone_admin)]#
查看物理主机状态
[root@admin ~(keystone_admin)]# nova hypervisor-list
+--------------------------------------+-----------------------+-------+---------+
| ID | Hypervisor hostname | State | Status |
+--------------------------------------+-----------------------+-------+---------+
| cbfa4f37-fb86-4356-8b5a-f7f04b0beed4 | localhost.localdomain | up | enabled |
+--------------------------------------+-----------------------+-------+---------+
[root@admin ~(keystone_admin)]#
查看某个物理主机状态
[root@admin ~(keystone_admin)]# nova hypervisor-show cbfa4f37-fb86-4356-8b5a-f7f04b0beed4
+---------------------------+------------------------------------------+
| Property | Value |
+---------------------------+------------------------------------------+
| cpu_info_arch | x86_64 |
| cpu_info_features | ["pge", "avx", "clflush", "sep", |
| | "syscall", "umip", "vme", "tsc", |
| | "fsgsbase", "xsave", "smap", "bmi2", |
| | "xsaveopt", "cmov", "smep", "fpu", |
| | "clflushopt", "pat", "arat", "lm", |
| | "msr", "adx", "3dnowprefetch", "nx", |
| | "fxsr", "sha-ni", "sse4.1", "pae", |
| | "sse4.2", "pclmuldq", "xgetbv1", |
| | "cmp_legacy", "fma", "sse4a", "mmx", |
| | "osxsave", "cx8", "mce", "fxsr_opt", |
| | "cr8legacy", "clwb", "pse", "lahf_lm", |
| | "abm", "osvw", "rdseed", "popcnt", |
| | "mca", "pdpe1gb", "ibpb", "sse", "f16c", |
| | "invtsc", "xsavec", "pni", "aes", "svm", |
| | "ht", "mmxext", "sse2", "hypervisor", |
| | "topoext", "misalignsse", "bmi1", |
| | "apic", "ssse3", "de", "cx16", |
| | "extapic", "pse36", "mtrr", "movbe", |
| | "rdrand", "avx2", "x2apic", "rdtscp", |
| | "wbnoinvd", "xsaves"] |
| cpu_info_model | Opteron_G2 |
| cpu_info_topology_cells | 1 |
| cpu_info_topology_cores | 4 |
| cpu_info_topology_sockets | 1 |
| cpu_info_topology_threads | 1 |
| cpu_info_vendor | AMD |
| current_workload | 0 |
| disk_available_least | 257 |
| free_disk_gb | 274 |
| free_ram_mb | 5772 |
| host_ip | 192.168.200.146 |
| hypervisor_hostname | localhost.localdomain |
| hypervisor_type | QEMU |
| hypervisor_version | 2012000 |
| id | cbfa4f37-fb86-4356-8b5a-f7f04b0beed4 |
| local_gb | 294 |
| local_gb_used | 20 |
| memory_mb | 10380 |
| memory_mb_used | 4608 |
| running_vms | 2 |
| service_disabled_reason | None |
| service_host | localhost.localdomain |
| service_id | e2f90167-2bfe-4a86-927e-53d125ac2917 |
| state | up |
| status | enabled |
| vcpus | 4 |
| vcpus_used | 3 |
+---------------------------+------------------------------------------+
[root@admin ~(keystone_admin)]#
