def __init__(self,
stream_name: str,
partition_key: str,
*,
chunk_size: int = DEFAULT_CHUNK_SIZE,
encoder: str = 'utf-8',
workers: int = 1,
**boto_session_kwargs):
"""
:param stream_name: Name of the Kinesis stream
:type stream_name: str
:param partition_key: Kinesis partition key used to group data by shards
:type partition_key: str
:param chunk_size: the size of a a chunk of records for rotation threshold (default 524288)
:type chunk_size: int
:param encoder: the encoder to be used for log records (default 'utf-8')
:type encoder: str
:param workers: the number of background workers that rotate log records (default 1)
:type workers: int
:param boto_session_kwargs: additional keyword arguments for the AWS Kinesis Resource
:type boto_session_kwargs: boto3 resource keyword arguments
"""
args_validation = (
ValidationRule(stream_name, is_non_empty_string,
empty_str_err('stream_name')),
ValidationRule(chunk_size, is_positive_int,
bad_integer_err('chunk_size')),
ValidationRule(encoder, is_non_empty_string,
empty_str_err('encoder')),
ValidationRule(workers, is_positive_int,
bad_integer_err('workers')),
)
for rule in args_validation:
assert rule[1](rule[0]), rule[3]
self.stream = KinesisStream(stream_name,
partition_key,
chunk_size=chunk_size,
encoder=encoder,
workers=workers,
**boto_session_kwargs)
# Make sure we gracefully clear the buffers and upload the missing parts before exiting
signal.signal(signal.SIGTERM, self._teardown)
signal.signal(signal.SIGINT, self._teardown)
signal.signal(signal.SIGQUIT, self._teardown)
atexit.register(self.close)
StreamHandler.__init__(self, self.stream)
def __init__(self, key: str, bucket: str, *, chunk_size: int = DEFAULT_CHUNK_SIZE,
time_rotation: int = DEFAULT_ROTATION_TIME_SECS, max_file_size_bytes: int = MAX_FILE_SIZE_BYTES,
encoder: str = 'utf-8',
max_threads: int = 1, compress: bool = False, **boto_session_kwargs):
"""
:param key: The path of the S3 object
:type key: str
:param bucket: The id of the S3 bucket
:type bucket: str
:param chunk_size: size of a chunk in the multipart upload in bytes (default 5MB)
:type chunk_size: int
:param time_rotation: Interval in seconds to rotate the file by (default 12 hours)
:type time_rotation: int
:param max_file_size_bytes: maximum file size in bytes before rotation (default 100MB)
:type max_file_size_bytes: int
:param encoder: default utf-8
:type encoder: str
:param max_threads: the number of threads that a stream handler would run for file and chunk rotation tasks,
only useful if emitting lot's of records
:type max_threads: int
:param compress: indicating weather to save a compressed gz suffixed file
:type compress: bool
"""
args_validation = (
ValidationRule(time_rotation, is_positive_int, bad_integer_err('time_rotation')),
ValidationRule(max_file_size_bytes, is_positive_int, bad_integer_err('max_file_size_bytes')),
ValidationRule(encoder, is_non_empty_string, empty_str_err('encoder')),
ValidationRule(max_threads, is_positive_int, bad_integer_err('thread_count')),
)
for rule in args_validation:
assert rule.func(rule.arg), rule.message
self.bucket = bucket
self.stream = S3Stream(self.bucket, key, chunk_size=chunk_size, max_file_log_time=time_rotation,
max_file_size_bytes=max_file_size_bytes, encoder=encoder, workers=max_threads,
compress=compress, **boto_session_kwargs)
# Make sure we gracefully clear the buffers and upload the missing parts before exiting
signal.signal(signal.SIGTERM, self._teardown)
signal.signal(signal.SIGINT, self._teardown)
signal.signal(signal.SIGQUIT, self._teardown)
atexit.register(self.close)
StreamHandler.__init__(self, self.stream)
def __init__(self, file_path, bucket, key_id, secret, chunk_size=DEFAULT_CHUNK_SIZE,
time_rotation=DEFAULT_ROTATION_TIME_SECS, max_file_size_bytes=MAX_FILE_SIZE_BYTES, encoder='utf-8',
max_threads=3, compress=False):
"""
:param file_path: The path of the S3 object
:param bucket: The id of the S3 bucket
:param key_id: Authentication key
:param secret: Authentication secret
:param chunk_size: Size of a chunk in the multipart upload in bytes - default 5MB
:param time_rotation: Interval in seconds to rotate the file by - default 12 hours
:param max_file_size_bytes: Maximum file size in bytes before rotation - default 100MB
:param encoder: default utf-8
:param max_threads: the number of threads that a stream handler would run for file and chunk rotation tasks
:param compress: Boolean indicating weather to save a compressed gz suffixed file
"""
args_validation = (
ValidationRule(file_path, is_non_empty_string, empty_str_err('file_path')),
ValidationRule(bucket, is_non_empty_string, empty_str_err('bucket')),
ValidationRule(key_id, is_non_empty_string, empty_str_err('key_id')),
ValidationRule(secret, is_non_empty_string, empty_str_err('secret')),
ValidationRule(chunk_size, is_positive_int, bad_integer_err('chunk_size')),
ValidationRule(time_rotation, is_positive_int, bad_integer_err('time_rotation')),
ValidationRule(max_file_size_bytes, is_positive_int, bad_integer_err('max_file_size_bytes')),
ValidationRule(encoder, is_non_empty_string, empty_str_err('encoder')),
ValidationRule(max_threads, is_positive_int, bad_integer_err('thread_count')),
ValidationRule(compress, is_boolean, bad_type_error('compress', 'boolean'))
)
for rule in args_validation:
assert rule[1](rule[0]), rule[3]
self.bucket = bucket
self.secret = secret
self.key_id = key_id
self.stream = S3Streamer(self.bucket, file_path, chunk_size=chunk_size, max_file_log_time=time_rotation,
max_file_size_bytes=max_file_size_bytes, encoder=encoder, workers=max_threads,
compress=compress, key_id=self.key_id, secret=self.secret)
# Make sure we gracefully clear the buffers and upload the missing parts before exiting
signal.signal(signal.SIGTERM, self.close)
signal.signal(signal.SIGINT, self.close)
signal.signal(signal.SIGQUIT, self.close)
atexit.register(self.close)
StreamHandler.__init__(self, self.stream)
def __init__(self, key_id, secret, stream_name, region, partition='single', chunk_size=DEFAULT_CHUNK_SIZE,
encoder='utf-8', workers=3):
"""
:param key_id: Authentication key
:param secret: Authentication secret
:param stream_name: The name of the kinesis stream
:param region: The AWS region for the kinesis stream
:param partition: A partition name in case multiple shards are used
:param chunk_size: Size of a chunk in the multipart upload in bytes - default 5MB
:param encoder: default utf-8
:param workers: the number of threads that a stream handler would run for file and chunk rotation tasks
"""
args_validation = (
ValidationRule(key_id, is_non_empty_string, empty_str_err('key_id')),
ValidationRule(secret, is_non_empty_string, empty_str_err('secret')),
ValidationRule(stream_name, is_non_empty_string, empty_str_err('stream_name')),
ValidationRule(region, is_non_empty_string, empty_str_err('region')),
ValidationRule(partition, is_non_empty_string, empty_str_err('partition')),
ValidationRule(chunk_size, is_positive_int, bad_integer_err('chunk_size')),
ValidationRule(encoder, is_non_empty_string, empty_str_err('encoder')),
ValidationRule(workers, is_positive_int, bad_integer_err('workers')),
)
for rule in args_validation:
assert rule[1](rule[0]), rule[3]
self.secret = secret
self.key_id = key_id
self.stream = KinesisStreamer(self.key_id, self.secret, stream_name, region, partition, chunk_size, encoder,
workers=workers)
# Make sure we gracefully clear the buffers and upload the missing parts before exiting
signal.signal(signal.SIGTERM, self.close)
signal.signal(signal.SIGINT, self.close)
signal.signal(signal.SIGQUIT, self.close)
atexit.register(self.close)
StreamHandler.__init__(self, self.stream)
max_file_size_bytes=MAX_FILE_SIZE_BYTES, encoder='utf-8',
max_threads=3, compress=False):
"""
:param file_path: The path of the S3 object
:param bucket: The id of the S3 bucket
:param chunk_size: Size of a chunk in the multipart upload in bytes - default 5MB
:param time_rotation: Interval in seconds to rotate the file by - default 12 hours
:param max_file_size_bytes: Maximum file size in bytes before rotation - default 100MB
:param encoder: default utf-8
:param max_threads: the number of threads that a stream handler would run for file and chunk rotation tasks
:param compress: Boolean indicating weather to save a compressed gz suffixed file
"""
args_validation = (
ValidationRule(file_path, is_non_empty_string, empty_str_err('file_path')),
ValidationRule(bucket, is_non_empty_string, empty_str_err('bucket')),
ValidationRule(chunk_size, is_positive_int, bad_integer_err('chunk_size')),
ValidationRule(time_rotation, is_positive_int, bad_integer_err('time_rotation')),
ValidationRule(max_file_size_bytes, is_positive_int, bad_integer_err('max_file_size_bytes')),
ValidationRule(encoder, is_non_empty_string, empty_str_err('encoder')),
ValidationRule(max_threads, is_positive_int, bad_integer_err('thread_count')),
ValidationRule(compress, is_boolean, bad_type_error('compress', 'boolean'))
)
for rule in args_validation:
assert rule[1](rule[0]), rule[3]
self.bucket = bucket
self.stream = S3Streamer(self.bucket, file_path, chunk_size, time_rotation,
ServerSideEncryption=ServerSideEncryption, SSEKMSKeyId=SSEKMSKeyId,