我们如何获取 IAM 用户、他们的组和策略？

Question

我需要获取所有 aws 用户、他们相应的组、策略以及是否为他们激活了 mfa。谁能告诉我如何通过 aws cli 或 boto 来完成。

我有一个脚本，它只提取 aws 中的所有用户。

  import boto3
    from boto3 import *
    import argparse

    access_key = ''
    secret_key = ''

    def get_iam_uses_list():
    client =  boto3.client('iam',
                aws_access_key_id=access_key,
                aws_secret_access_key=secret_key)
       my_list=list()
       iam_all_users = client.list_users(MaxItems=200)
       for user in iam_all_users['Users']:
        my_list.append(user['UserName'])
#

    for i in my_list:
        print i

#    print "read complete"
#
#    for i in my_list:
#        iam_user_policy=client.list_attached_user_policies(UserName=i)
#        for policy in iam_user_policy['AttachedPolicies']:
#               print "%s \t %s" %(i, policy['PolicyName'])

def main():
    parser = argparse.ArgumentParser()
    parser.add_argument('access_key', help='Access Key');
    parser.add_argument('secret_key', help='Secret Key');
    args = parser.parse_args()
    global access_key
    global secret_key
    access_key = args.access_key
    secret_key = args.secret_key
get_iam_uses_list()

if  __name__ =='__main__':main()

Answer 1

这里，我用boto命令做了四个操作——

1. 列出所有用户
2. 列出附加到每个用户的策略
3. 列出添加到每个用户的角色
4. 列出 Mfa 设备以查看 MFA 是否已由用户配置（这里我不检查是否未启用 MFA，而是检查设备是否已由用户配置。）

获取与 AWS 账户的 IAM 连接

import boto3
client = boto3.client('iam',aws_access_key_id="XXX",aws_secret_access_key="XXX") 

获取 IAM 用户 这将打印所有用户名。如果您还想打印其他详细信息，您可以自定义。

users = client.list_users()
for key in users['Users']:
    print key['UserName']

获取附加到每个用户的策略列表

for key in users['Users']:
    List_of_Policies =  client.list_user_policies(UserName=key['UserName'])
    for key in List_of_Policies['PolicyNames']:
        print key['PolicyName']

获取附加到每个用户的组列表

for key in users['Users']:
    List_of_Groups =  client.list_groups_for_user(UserName=key['UserName'])
       for key in List_of_Groups['Groups']:
           print key['GroupName']

检查是否配置了 MFA 设备

for key in users['Users']:
    List_of_MFA_Devices = client.list_mfa_devices(UserName=key['UserName'])
    for key in List_of_MFA_Devices['MFADevices']:
          print key

您可以进一步检查 List_of_MFA_Devices['MFADevices'] 是否为空。如果为空，则未配置 MFA 设备。

如果您想将输出添加为字典列表，其中每个索引将包含字典具有用户名、组、策略、isMFA_flag_configured 的值对。使用以下代码 -

import boto3
client = boto3.client('iam',aws_access_key_id="XXXX",aws_secret_access_key="YYY")
users = client.list_users()
user_list = []
for key in users['Users']:
    result = {}
    Policies = []
    Groups=[]

    result['userName']=key['UserName']
    List_of_Policies =  client.list_user_policies(UserName=key['UserName'])

    result['Policies'] = List_of_Policies['PolicyNames']

    List_of_Groups =  client.list_groups_for_user(UserName=key['UserName'])

    for Group in List_of_Groups['Groups']:
        Groups.append(Group['GroupName'])
    result['Groups'] = Groups

    List_of_MFA_Devices = client.list_mfa_devices(UserName=key['UserName'])

    if not len(List_of_MFA_Devices['MFADevices']):
        result['isMFADeviceConfigured']=False   
    else:
        result['isMFADeviceConfigured']=True    
    user_list.append(result)

for key in user_list:
    print key

上述代码的输出 -

{'userName': 'user1', 'Groups': ['grp1','grp2'], 'Policies':['policy1','policy2], 'isMFADeviceConfigured': False/True}

{'userName': 'user2', 'Groups': ['grp1','grp2'], 'Policies': ['policy1','policy2], 'isMFADeviceConfigured': False/True}