研发环境

  • 系统：CentOS Linux release 7.7.1908 (Core)
  • OpenStack：Train版
  • Python：2.7.5
Python库 版本
keystoneauth1 4.0.1
openstacksdk 0.45.0
oslo.config 7.0.0
oslo.i18n 3.25.1
oslo.serialization 2.29.2
oslo.utils 3.42.1
python-cinderclient 6.0.0
python-keystoneclient 3.22.0
python-novaclient 16.0.0
python-openstackclient 5.2.1

源码

Demo

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from keystoneauth1 import loading
from keystoneauth1 import session
from novaclient import client as nova_client

NOVA_API_VERSION = "2.1"

# 从keystone处获取认证信息
loader = loading.get_plugin_loader('password')
auth = loader.load_from_options(auth_url="http://[2016::145]:35357/v3",
                                username="admin",
                                password="Inspur@123",
                                project_name="admin",
                                project_domain_id="default",
                                user_domain_id="default")
sess = session.Session(auth=auth)

# 使用认证信息，获取novaclient
nova = nova_client.Client(NOVA_API_VERSION, session=sess)

# 调用novaclient，获取nova相关信息
servers = nova.servers.list()

for ser in servers:
    print(ser.id)
    print(ser.name)
    print(ser.image)
    print(ser.flavor)
    print(ser.key_name)
    print(ser.status)
    print(ser.created)
    print(ser.addresses)
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[nova]
endpoint_type = internal
auth_url = http://111.111.111.80:35357
auth_type = password
project_domain_id = default
user_domain_id = default
region_name = RegionOne
project_name = service
username = nova
password = 8rMN88CaCkvNyvx5b9YrXYwkPDEgKTE7Kb5xfWnL
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[nova]
auth_url = http://111.111.111.80:35357
auth_type = password
project_domain_id = default
user_domain_id = default
region_name = RegionOne
project_name = admin
username = admin
password = admin
endpoint_type = internal

结构体

nova.servers.list()

item结构

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{
    "OS-EXT-STS:task_state": null,
    "addresses": {
        "demo-net": [
            {
                "OS-EXT-IPS-MAC:mac_addr": "fa:16:3e:8b:c8:00",
                "version": 4,
                "addr": "10.0.0.221",
                "OS-EXT-IPS:type": "fixed"
            }
        ]
    },
    "links": [
        {
            "href": "http://111.111.111.80:8774/v2.1/servers/077c1c6d-5390-4856-89dc-7072c5d5d5d4",
            "rel": "self"
        },
        {
            "href": "http://111.111.111.80:8774/servers/077c1c6d-5390-4856-89dc-7072c5d5d5d4",
            "rel": "bookmark"
        }
    ],
    "locked_reason": null,
    "image": {
        "id": "3086f549-23e2-4c0d-b791-b17998952d68",
        "links": [
            {
                "href": "http://111.111.111.80:8774/images/3086f549-23e2-4c0d-b791-b17998952d68",
                "rel": "bookmark"
            }
        ]
    },
    "OS-EXT-SRV-ATTR:user_data": null,
    "OS-EXT-STS:vm_state": "active",
    "OS-EXT-SRV-ATTR:instance_name": "instance-00000001",
    "OS-EXT-SRV-ATTR:root_device_name": "/dev/vda",
    "OS-SRV-USG:launched_at": "2020-12-08T17:41:17.000000",
    "flavor": {
        "ephemeral": 0,
        "ram": 512,
        "original_name": "m1.tiny",
        "vcpus": 1,
        "extra_specs": {},
        "swap": 0,
        "disk": 1
    },
    "id": "077c1c6d-5390-4856-89dc-7072c5d5d5d4",
    "security_groups": [
        {
            "name": "default"
        }
    ],
    "description": "demo",
    "host_status": "UP",
    "user_id": "439ca237905e417593165391458960d6",
    "OS-EXT-SRV-ATTR:hostname": "demo",
    "OS-DCF:diskConfig": "MANUAL",
    "accessIPv4": "",
    "accessIPv6": "",
    "OS-EXT-SRV-ATTR:reservation_id": "r-56k4gluj",
    "progress": 0,
    "OS-EXT-STS:power_state": 1,
    "OS-EXT-AZ:availability_zone": "nova",
    "config_drive": "",
    "status": "ACTIVE",
    "OS-EXT-SRV-ATTR:ramdisk_id": "",
    "updated": "2020-12-08T17:41:18Z",
    "hostId": "cd9cf8191851aeae24077dd7d3ca4c6c01d1b5d0ff7be81de482259b",
    "OS-EXT-SRV-ATTR:host": "node02",
    "OS-SRV-USG:terminated_at": null,
    "tags": [],
    "key_name": "mykey",
    "OS-EXT-SRV-ATTR:kernel_id": "",
    "locked": false,
    "OS-EXT-SRV-ATTR:hypervisor_hostname": "node02",
    "name": "demo",
    "OS-EXT-SRV-ATTR:launch_index": 0,
    "created": "2020-12-08T17:40:57Z",
    "tenant_id": "1249bd160bab49e89c4c1d795ec68746",
    "os-extended-volumes:volumes_attached": [],
    "trusted_image_certificates": null,
    "metadata": {}
}

参考文档