D.R*_*Roy 5 amazon-s3 amazon-web-services amazon-cloudwatch aws-lambda
我在 cloudwatch 上有日志,我想每天将其存储在 S3 上。我正在使用 AWS Lambda 来实现这一点。
我在 AWS Lambda 上创建了一个函数,并使用 Cloudwatch 事件作为触发器。这在 Cloudwatch 上创建了一个事件规则。现在,当我执行这个 lambda 函数时,它会成功执行,并且在存储桶内的 S3 上创建了一个名为“aws-log-write-test”的文件,但存储桶中没有其他数据或文件。该文件包含文本“权限检查成功”。
这是我的 lambda 函数:
import boto3
import collections
from datetime import datetime, date, time, timedelta
region = 'us-west-2'
def lambda_handler(event, context):
yesterday = datetime.combine(date.today()-timedelta(1),time())
today = datetime.combine(date.today(),time())
unix_start = datetime(1970,1,1)
client = boto3.client('logs')
response = client.create_export_task(
taskName='export_cw_to_s3',
logGroupName='ABC',
logStreamNamePrefix='ABCStream',
fromTime=int((yesterday-unix_start).total_seconds()),
to=int((today-unix_start).total_seconds()),
destination='abc-logs',
destinationPrefix='abc-logs-{}'.format(yesterday.strftime("%Y-%m-%d"))
)
return 'Response from export task at {} :\n{}'.format(datetime.now().isoformat(),response)
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这是我执行 lambda 函数时的响应:
Response from export task at 2018-01-05T10:57:42.441844 :\n{'ResponseMetadata': {'RetryAttempts': 0, 'HTTPStatusCode': 200, 'RequestId': 'xxxxxxx-xxxx-xxxx-xxxx-xxxxxxxx', 'HTTPHeaders': {'x-amzn-requestid': 'xxxxxxx-xxxx-xxxx-xxxx-xxxxxxxx', 'date': 'Fri, 05 Jan 2018 10:57:41 GMT', 'content-length': '49', 'content-type': 'application/x-amz-json-1.1'}}, u'taskId': u'xxxxxxx-xxxx-xxxx-xxxx-xxxxxxxx'}
START RequestId: xxxxxxx-xxxx-xxxx-xxxx-xxxxxxxx Version: $LATEST
END RequestId: xxxxxxx-xxxx-xxxx-xxxx-xxxxxxxx
REPORT RequestId: xxxxxxx-xxxx-xxxx-xxxx-xxxxxxxx Duration: 1418.13 ms Billed Duration: 1500 ms Memory Size: 128 MB Max Memory Used: 36 MB
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