ceph中rgw对象etag的示例代码

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import hashlibimport botoimport tracebackfrom boto.s3.connection import S3Connectionclass ETagExample(object):    def __init__(self):        self.s3_bucket = "yuliyang6"        self.s3_conn = boto.connect_s3(            "admin",            "admin",            host="192.168.10.147",            is_secure=False,            port=8081,            calling_format=boto.s3.connection.OrdinaryCallingFormat(),        )    #Function to calculate the checksum of a local file    def find_checksum(self, file_name):        try:            checksum = hashlib.md5(open(file_name).read()).hexdigest()            return checksum        except Exception, e:            print "Exception occurred while calculating checksum :" + str(e)            print traceback.print_exc()    #Function to calculate the Etag of a file in S3    def find_etag(self, full_key_name):        try:            bucket = self.s3_conn.get_bucket(self.s3_bucket)            key = bucket.get_key(full_key_name)            s3_etag = key.etag.strip('"').strip("'")            return s3_etag        except Exception, e:            print "Exception occurred while calculating S3 Etag : " + str(e)            print traceback.print_exc()if __name__ == '__main__':    test = ETagExample()    print test.find_checksum('object1')    print test.find_etag('object1')320c1c0f22dc91d94afe36a042ebc89dsend: 'HEAD /yuliyang6/ HTTP/1.1\r\nHost: 192.168.10.147:8081\r\nAccept-Encoding: identity\r\nDate: Sun, 06 Nov 2016 07:54:51 GMT\r\nContent-Length: 0\r\nAuthorization: AWS admin:P7eaeSj73/8dObIeJtIac/ZwXzA=\r\nUser-Agent: Boto/2.41.0 Python/2.7.9 Windows/7\r\n\r\n'reply: 'HTTP/1.1 200 OK\r\n'header: X-RGW-Object-Count: 1header: X-RGW-Bytes-Used: 847header: x-amz-request-id: tx0000000000000000004f6-00581ee1cb-857b-defaultheader: Content-Length: 0header: Date: Sun, 06 Nov 2016 07:54:51 GMTsend: 'HEAD /yuliyang2/ HTTP/1.1\r\nHost: 192.168.10.147:8081\r\nAccept-Encoding: identity\r\nDate: Sun, 06 Nov 2016 07:54:51 GMT\r\nContent-Length: 0\r\nAuthorization: AWS admin:FOtHjwG9XIHPaoBy8TT8QDB3y0I=\r\nUser-Agent: Boto/2.41.0 Python/2.7.9 Windows/7\r\n\r\n'reply: 'HTTP/1.1 200 OK\r\n'header: X-RGW-Object-Count: 4header: X-RGW-Bytes-Used: 104858452header: x-amz-request-id: tx0000000000000000004f7-00581ee1cb-857b-defaultheader: Content-Length: 0header: Date: Sun, 06 Nov 2016 07:54:51 GMTsend: 'HEAD /yuliyang2/object1 HTTP/1.1\r\nHost: 192.168.10.147:8081\r\nAccept-Encoding: identity\r\nDate: Sun, 06 Nov 2016 07:54:51 GMT\r\nContent-Length: 0\r\nAuthorization: AWS admin:KADu0hAVS1BVs3Y9zTIO7dRovCs=\r\nUser-Agent: Boto/2.41.0 Python/2.7.9 Windows/7\r\n\r\n'reply: 'HTTP/1.1 200 OK\r\n'header: Content-Length: 847header: Accept-Ranges: bytesheader: Last-Modified: Sun, 06 Nov 2016 07:54:12 GMTheader: ETag: "320c1c0f22dc91d94afe36a042ebc89d"header: x-amz-request-id: tx0000000000000000004f8-00581ee1cb-857b-defaultheader: Content-Type: binary/octet-streamheader: Date: Sun, 06 Nov 2016 07:54:51 GMT320c1c0f22dc91d94afe36a042ebc89d

[root@joke ceph-request]# ceph-request -c ceph-request.cfg  -m head -r '/yuliyang2/object1'  -v< HEAD /yuliyang2/object1 HTTP/1.1< Host: 192.168.10.147:8081< Connection: keep-alive< Accept-Encoding: gzip, deflate< Accept: */*< User-Agent: python-requests/2.11.1< date: Sun, 06 Nov 2016 07:54:28 GMT< Authorization: AWS admin:qCWFpvxlOfSERMeaV/sfVm0Wcek=< > HTTP/1.1 200 OK> Content-Length: 847> Accept-Ranges: bytes> Last-Modified: Sun, 06 Nov 2016 07:54:12 GMT> ETag: "320c1c0f22dc91d94afe36a042ebc89d"> x-amz-request-id: tx0000000000000000004f5-00581ee1b4-857b-default> Content-Type: binary/octet-stream> Date: Sun, 06 Nov 2016 07:54:28 GMT> Connection: Keep-Alive>

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