openstack 命令行管理十七 - 宿主主机管理 (备忘)
帮助信息
[root@station140 ~(keystone_admin)]# nova help | grep hyper
hypervisor-list List hypervisors.
hypervisor-servers List instances belonging to specific hypervisors.
hypervisor-show Display the details of the specified hypervisor.
hypervisor-stats Get hypervisor statistics over all compute nodes.
hypervisor-uptime Display the uptime of the specified hypervisor.
查询物理服务器
nova hypervisor-list +----+----------------------+ | ID | Hypervisor hostname | +----+----------------------+ | 1 | station140.cloud.com | +----+----------------------+
显示某个物理主机详细信息方法
nova hypervisor-show station140.cloud.com
+----------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Property | Value |
+----------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| hypervisor_hostname | station140.cloud.com |
| cpu_info | {"vendor": "Intel", "model": "Westmere", "arch": "x86_64", "features": ["rdtscp", "hypervisor", "avx", "osxsave", "xsave", "vmx", "pclmuldq", "ss", "ds", "vme"], "topology": {"cores": 1, "threads": 1, "sockets": 2}} |
| free_disk_gb | -5 |
| hypervisor_version | 12001 |
| disk_available_least | -18 |
| local_gb | 15 |
| free_ram_mb | 5312 |
| id | 1 |
| vcpus_used | 1 |
| hypervisor_type | QEMU |
| local_gb_used | 20 |
| memory_mb_used | 2560 |
| memory_mb | 7872 |
| current_workload | 0 |
| vcpus | 2 |
| running_vms | 1 |
| service_id | 4 |
| service_host | station140.cloud.com |
+----------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
显示某个主机当前使用的资源方法
[root@station140 ~(keystone_admin)]# nova hypervisor-stats +----------------------+-------+ | Property | Value | +----------------------+-------+ | count | 1 | | vcpus_used | 0 | | local_gb_used | 0 | | memory_mb | 7872 | | current_workload | 0 | | vcpus | 2 | | running_vms | 0 | | free_disk_gb | 15 | | disk_available_least | 7 | | local_gb | 15 | | free_ram_mb | 7360 | | memory_mb_used | 512 | +----------------------+-------+