def check_snapshot_status(seq):
client = snapshot_client.CurveSnapshot()
status = client.check_snapshot_status(config.snapshot_file_name,
config.user_name, config.pass_word,
seq)
logger.info("check_snapshot_status rc = %s " % status)
return status
def recover_chunk_data(chunkidinfo):
client = snapshot_client.CurveSnapshot()
offset = curvesnapshot.type_uInt64_t()
len = curvesnapshot.type_uInt64_t()
offset.value = 0
len.value = 1 * 1024 * 1024
rc = client.recover_chunk(chunkidinfo, offset, len)
return rc
def snapshot_normal_create(file_name=config.snapshot_file_name,
user_name=config.user_name,
password=config.pass_word):
client = snapshot_client.CurveSnapshot()
seq = client.create_snapshot(file_name, user_name, password)
logger.info(
"create_curve_file_for_snapshot file and return seq.value = %s" % seq)
return seq
def get_normal_chunk_info(file_name=config.snapshot_file_name,
user_name=config.user_name,
password=config.pass_word):
seginfo = get_normal_snapshot_segment_info(file_name, user_name, password)
logger.info("get_normal_chunkInfo segment info = %s" % seginfo)
client = snapshot_client.CurveSnapshot()
chunkinfo = client.get_chunk_Info(seginfo.chunkvec[0])
logger.info("get_normal_chunkInfo chunkInfo info = %s" % chunkinfo)
return chunkinfo # 可以对chunInfo.chunkSn进行断言验证
def get_snapshot_segment_info_with_seq_and_offset(seq, offset):
client = snapshot_client.CurveSnapshot()
seginfo = client.get_snapshot_SegmentInfo(config.snapshot_file_name,
config.user_name,
config.pass_word, seq, offset)
# logger.info("get_snapshot_segment_info_with_seq_and_offset seq = %s, segmsize = %s, chunksize = %s, startoffset = "
# "%s, chunkvecsize = %s" % (
# seq.value, seginfo.segmentsize.value, seginfo.chunksize.value, seginfo.startoffset.value,
# seginfo.chunkVecSize.value))
return seginfo
def snapshot_create_with_empty_str_file(file_name=" ",
user_name=config.user_name,
password=config.pass_word):
client = snapshot_client.CurveSnapshot()
rc = client.create_snapshot(file_name, user_name, password)
logger.info("snapshot_create_with_empty_str_file , return rc = %s" % rc)
if rc != 0:
logger.error("snapshot_create_with_empty_str_file file fail. rc = %s" %
rc)
return rc
def create_snapshot_and_get_snapshot_info(file_name=config.snapshot_file_name,
user_name=config.user_name,
password=config.pass_word):
client = snapshot_client.CurveSnapshot()
seq = client.create_snapshot(file_name, user_name, password)
logger.info(
"create_snapshot_and_get_snapshot_info create snapshot success. seq = %s"
% seq.value)
finfo = client.get_snapshot(file_name, user_name, password, seq)
return finfo
def snapshot_create_with_special_file_name(
file_name="/特殊 字符`-=[]\\;',./ ~!@#$%^&*()_+{}|:\"<>?",
user_name=config.user_name,
password=config.pass_word):
client = snapshot_client.CurveSnapshot()
rc = client.create_snapshot(file_name, user_name, password)
logger.info("snapshot_create_with_special_file_name , return rc = %s" % rc)
if rc != 0:
logger.error(
"snapshot_create_with_special_file_name file fail. rc = %s" % rc)
return rc
def get_sanpshot_info(seq):
client = snapshot_client.CurveSnapshot()
finfo = client.get_snapshot(config.snapshot_file_name, config.user_name,
config.pass_word, seq)
# logger.info("get_sanpshot_info , file snapshot info.status = %s, owner = %s, filename = %s, "
# "length = %s, chunksize = %s, seqnum = %s, segmentsize = %s , parentid = %s, "
# "filetype = %s, ctime = %s" % (
# finfo.filestatus, finfo.owner, finfo.filename, finfo.length.value, finfo.chunksize.value,
# finfo.seqnum.value, finfo.segmentsize.value, finfo.parentid.value, finfo.filetype,
# finfo.ctime.value))
return finfo
def get_normal_snapshot_segment_info(file_name=config.snapshot_file_name,
user_name=config.user_name,
password=config.pass_word):
seq = snapshot_normal_create(file_name, user_name, password)
client = snapshot_client.CurveSnapshot()
offset = curvesnapshot.type_uInt64_t()
offset.value = 0
seginfo = client.get_snapshot_SegmentInfo(file_name, user_name, password,
seq, offset)
logger.info("get_normal_snapshot_segment_info seq = %s, seginfo = %s" %
seq % seginfo)
return seginfo
def get_snapshot_first_segment_info(seq):
client = snapshot_client.CurveSnapshot()
offset = curvesnapshot.type_uInt64_t()
offset.value = 0
seginfo = client.get_snapshot_SegmentInfo(config.snapshot_file_name,
config.user_name,
config.pass_word, seq, offset)
# logger.info(
# "get_snapshot_first_segment_info seq = %s, segmsize = %s, chunksize = %s, startoffset = %s, chunkvecsize = %s, "
# % (
# seq.value, seginfo.segmentsize.value, seginfo.chunksize.value, seginfo.startoffset.value,
# seginfo.chunkVecSize.value))
return seginfo
def read_first_chunk_snapshot(seq):
client = snapshot_client.CurveSnapshot()
offset = curvesnapshot.type_uInt64_t()
offset.value = 0
seginfo = client.get_snapshot_SegmentInfo(config.snapshot_file_name,
config.user_name,
config.pass_word, seq, offset)
logger.info(
"get_snapshot_first_segment_info seq = %s, segmsize = %s, chunksize = %s, startoffset = %s, chunkvecsize = %s"
% (seq.value, seginfo.segmentsize.value, seginfo.chunksize.value,
seginfo.startoffset.value, seginfo.chunkVecSize.value))
buf = read_chunk_snapshot(seginfo.chunkvec[0], seq)
logger.info("read_first_chunk_snapshot buf = %s" % buf)
return buf
def read_chunk_snapshot(idinfo, seq):
client = snapshot_client.CurveSnapshot()
offset = curvesnapshot.type_uInt64_t()
offset.value = 0
len = curvesnapshot.type_uInt64_t()
len.value = 8 * 512
# buf = "tttttttt" * 1024 * 1024 * 2 #16M
buf = "tttttttt" * 512
rc = client.read_chunk_snapshot(idinfo, seq, offset, len, buf)
if rc != len.value:
logger.info(
"read_chunk_snapshot fail , expect len = %s, real len = %s" %
(len.value, rc))
return rc
logger.info("read_chunk_snapshot ,return buf = %s" % buf)
return buf
def create_clone_chunk_with_s3_object(chunkidinfo):
client = snapshot_client.CurveSnapshot()
logger.info(
"create_clone_chunk_with_s3_object src chunkidinfo cid=%s, lpid=%s, cpid=%s"
% (chunkidinfo.cid_.value, chunkidinfo.lpid_.value,
chunkidinfo.cpid_.value))
idinfo = curvesnapshot.CChunkIDInfo_t()
idinfo.cid_.value = 1088
idinfo.lpid_.value = chunkidinfo.lpid_.value
idinfo.cpid_.value = chunkidinfo.cpid_.value
chunksize = curvesnapshot.type_uInt64_t()
chunksize.value = 16 * 1024 * 1024
seq = curvesnapshot.type_uInt64_t()
seq.value = 1
correctseq = curvesnapshot.type_uInt64_t()
correctseq.value = 0
rc = client.create_clone_chunk(config.snapshot_s3_object_location, idinfo,
seq, correctseq, chunksize)
return rc
def delete_chunk_snapshot_with_correct_sn(chunkidinfo, correctseq):
client = snapshot_client.CurveSnapshot()
rc = client.delete_chunk_snapshot_or_correct_sn(chunkidinfo, correctseq)
return rc
def delete_file_snapshot(seq):
client = snapshot_client.CurveSnapshot()
rc = client.delete_snapshot(config.snapshot_file_name, config.user_name,
config.pass_word, seq)
return rc
def get_chunk_info_with_chunk_id_info(idinfo):
client = snapshot_client.CurveSnapshot()
chunkinfo = client.get_chunk_Info(idinfo)
# logger.info(
# "get_chunk_info_with_chunk_id_info, chunk sn = %s, sn size = %s" % (chunkinfo.chunkSn[0], chunkinfo.snSize.value))
return chunkinfo