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这篇文章将为大家详细讲解有关ceph中rgw对象etag的示例代码，小编觉得挺实用的，因此分享给大家做个参考，希望大家阅读完这篇文章后可以有所收获。
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import hashlib
import boto
import traceback
from boto.s3.connection import S3Connection
class 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')
320c1c0f22dc91d94afe36a042ebc89d
send: '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: 1
header: X-RGW-Bytes-Used: 847
header: x-amz-request-id: tx0000000000000000004f6-00581ee1cb-857b-default
header: Content-Length: 0
header: Date: Sun, 06 Nov 2016 07:54:51 GMT
send: '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: 4
header: X-RGW-Bytes-Used: 104858452
header: x-amz-request-id: tx0000000000000000004f7-00581ee1cb-857b-default
header: Content-Length: 0
header: Date: Sun, 06 Nov 2016 07:54:51 GMT
send: '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: 847
header: Accept-Ranges: bytes
header: Last-Modified: Sun, 06 Nov 2016 07:54:12 GMT
header: ETag: "320c1c0f22dc91d94afe36a042ebc89d"
header: x-amz-request-id: tx0000000000000000004f8-00581ee1cb-857b-default
header: Content-Type: binary/octet-stream
header: Date: Sun, 06 Nov 2016 07:54:51 GMT
320c1c0f22dc91d94afe36a042ebc89d[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 >
关于“ceph中rgw对象etag的示例代码”这篇文章就分享到这里了，希望以上内容可以对大家有一定的帮助，使各位可以学到更多知识，如果觉得文章不错，请把它分享出去让更多的人看到。
