[英]Boto3 - S3 Bucket Policy Update
我正在嘗試使用boto3
修改我的存儲桶之一的存儲桶boto3
。 請參考以下桶的初始/現有桶策略:
{
"Version": "2012-10-17",
"Id": "Policy1604310539665",
"Statement": [
{
"Sid": "Stmt1604310537860",
"Effect": "Allow",
"Principal": {
"AWS": "arn:aws:iam::xxx:root"
},
"Action": [
"s3:ListBucket",
"s3:PutObject"
],
"Resource": [
"arn:aws:s3:::bucket",
"arn:aws:s3:::bucket*"
]
}
]
}
我正在嘗試使用以下代碼段修改上述策略,我正在嘗試將另一個角色附加到存儲桶策略:
import boto3
import json
s3 = boto3.client('s3')
result = s3.get_bucket_policy(Bucket=bucket_name)
policy_statement=json.loads(result['Policy'])
store = policy_statement['Statement'][0]['Principal']['AWS']
del policy_statement['Statement'][0]['Principal']['AWS']
if(isinstance(store, str)):
role_arn_list = [role_arn] + [store]
policy_statement['Statement'][0]['Principal'].update({"AWS": role_arn_list})
else:
role_arn_list = [role_arn] + store
policy_statement['Statement'][0]['Principal'].update({"AWS": role_arn_list})
# Convert the policy from JSON dict to string
policy_new = json.dumps(policy_statement)
# Update the policy of the given bucket
s3 = boto3.client('s3')
s3.put_bucket_policy(Bucket=bucket_name, Policy=policy_new)
上面的代碼工作正常,但是當我嘗試將策略放入存儲桶時,我收到了MalformedPolicy
異常。 當我嘗試調試並找到使用上述代碼創建的策略時,我可以看到以下策略:
{
'Version': '2012-10-17',
'Id': 'Policy1604310539665',
'Statement': [{
'Sid': 'Stmt1604310537860',
'Effect': 'Allow',
'Principal': {
'AWS': ['arn:aws:iam::xxx:role/xx-xx-xx', 'arn:aws:iam::xx:root',
'AROAVCQ6H5MBRCO7T5NKB'
]
},
'Action': ['s3:ListBucket', 's3:PutObject'],
'Resource': ['arn:aws:s3:::bucket', 'arn:aws:s3:::bucket/*']
}]
}
問題:我無法理解隨機字符串AROAVCQ6H5MBRCO7T5NKB
以及如何處理?
以AROA
開頭的標識符是 IAM 角色的唯一 ID,就像訪問密鑰總是以AKIA
開頭AKIA
。
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