• 通过Python查看Azure VM的状态


    Azure的管理平台采用Restful API的方式实现管理。比如获取VM的管理API的各种操作的文档请参考:

    https://docs.microsoft.com/en-us/rest/api/compute/virtualmachines/get

    微软发布的各种SDK,PowerShell或CLI都是基于这些API进行的封装,方便操作。

    本文将采用Python来获取Azure VM的状态信息。

    1 安装Python的Azure模块

    Python的Azure模块的Github链接:

    https://github.com/gbowerman/azurerm

    如果需要管理China的Azure,安装Stan Peng修改过的模块:

    pip install mcazurerm

    2 创建Azure的Service Principle

    Azure的Service Principle就类似一个用户,可以对Azure的资源进行管理。

    采用Azure CLI 2.0的具体命令如下:

    az ad sp create-for-rbac --name hwsp –password xxxx

    获得输出:

    {
    "appId": "xxxx",
    "displayName": "hwsp",
    "name": "http://hwsp",
    "password": "xxxx",
    "tenant": "xxxx"
    }

    查看:

    az role assignment list --assignee xxxx
    
    [
    {
    "id": "/subscriptions/xxxx/providers/Microsoft.Authorization/roleAssignments/xxxx",
    "name": "xxxx",
    "properties": {
    "principalId": "xxxx",
    "principalName": "http://hwsp",
    "roleDefinitionId": "/subscriptions/xxxx/providers/Microsoft.Authorization/roleDefinitions/xxxx",
    "roleDefinitionName": "Contributor",
    "scope": "/subscriptions/xxxx"
    },
    "type": "Microsoft.Authorization/roleAssignments"
    }
    ]

    3 添加创建get_vm_instanceview模块

    在原有的mcazurerm中没有查看instanceview的模块,根据前文提到的文档,添加如下:

     

    from mcazurerm import *
    
    def get_vm_instanceview(access_token, subscription_id, resource_group, vm_name):
    endpoint = ''.join([azure_rm_endpoint,
                '/subscriptions/', subscription_id,
                '/resourceGroups/', resource_group,
                '/providers/Microsoft.Compute/virtualMachines/', vm_name,
                '?$expand=instanceView'
                '&api-version=', COMP_API])
    return do_get(endpoint, access_token) 

    4 获取Azure VM状态

    通过如下代码获取Azure VM状态:

    import json
    import sys
    import mcazurerm
    import instanceview
    
    try:
         with open('azurermconfig.json') as config_file:
                config_data = json.load(config_file)
    except SystemError:
         sys.exit('Error: Expecting azurermconfig.json in current folder')
    
    tenant_id = config_data['tenantId']
    app_id = config_data['appId']
    app_secret = config_data['appSecret']
    subscription_id = config_data['subscriptionId']
    
    access_token = mcazurerm.get_access_token(tenant_id, app_id, app_secret)
    
    vminstanceview =  instanceview.get_vm_instanceview(access_token,sub['subscriptionId'],"test01","hwcent01")
    
    print 'VM Name: ',vminstanceview['name']
    print 'VM Resource Group: ',vminstanceview['id'].split('/')[4]
    print 'VM Location: ',vminstanceview['location']
    print "VM Status: ",vminstanceview['properties']['instanceView']['statuses'][1]['displayStatus']
    

    Azurermconfig.json的文件格式请参考:

      https://github.com/gbowerman/azurerm/blob/master/examples/azurermconfig.json.tmpl

    过具体输出结果如下:

    VM Name:  hwcent01
    VM Resource Group:  test01
    VM Location:  chinanorth
    VM Status:  VM deallocated

    总结:

    Python通过添加模块,实现获取Azure VM运行状态。

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  • 原文地址:https://www.cnblogs.com/hengwei/p/8510525.html
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