def _splice_coverage(cls, dataset_id, scov):
file_root = FileSystem.get_url(FS.CACHE, 'datasets')
vcov = cls._get_coverage(dataset_id, mode='a')
scov_pth = scov.persistence_dir
if isinstance(vcov.reference_coverage, SimplexCoverage):
ccov = ComplexCoverage(
file_root,
uuid4().hex,
'Complex coverage for %s' % dataset_id,
reference_coverage_locs=[
vcov.head_coverage_path,
],
parameter_dictionary=ParameterDictionary(),
complex_type=ComplexCoverageType.TEMPORAL_AGGREGATION)
log.info('Creating Complex Coverage: %s', ccov.persistence_dir)
ccov.append_reference_coverage(scov_pth)
ccov_pth = ccov.persistence_dir
ccov.close()
vcov.replace_reference_coverage(ccov_pth)
elif isinstance(vcov.reference_coverage, ComplexCoverage):
log.info('Appending simplex coverage to complex coverage')
#vcov.reference_coverage.append_reference_coverage(scov_pth)
dir_path = vcov.reference_coverage.persistence_dir
vcov.close()
ccov = AbstractCoverage.load(dir_path, mode='a')
ccov.append_reference_coverage(scov_pth)
ccov.refresh()
ccov.close()
vcov.refresh()
vcov.close()
def __init__(self, name = None):
"""
@param name The name of the dataset
"""
# generate a random name for the filename if it has not been provided.
self.filename = FileSystem.get_url(fs=FS.TEMP, filename=name or random_name(), ext='encoder.hdf5')
# Using inline imports to put off making hdf/numpy required dependencies
import h5py
# open an hdf file on disk - in /tmp to write data to since we can't yet do in memory
try:
log.debug("Creating h5py file object for the encoder at %s" % self.filename)
if os.path.isfile(self.filename):
# if file exists, then append to it
self.h5pyfile = h5py.File(self.filename, mode = 'r+', driver='core')
else:
# if file does not already exist, write a new one
self.h5pyfile = h5py.File(self.filename, mode = 'w', driver='core')
assert self.h5pyfile, 'No h5py file object created.'
except IOError:
log.debug("Error opening file for the HDFEncoder! ")
raise HDFEncoderException("Error while trying to open file. ")
except AssertionError as err:
log.debug(err.message)
raise HDFEncoderException(err.message)
def _create_coverage(self, dataset_id, description, parameter_dict, spatial_domain,temporal_domain):
pdict = ParameterDictionary.load(parameter_dict)
sdom = GridDomain.load(spatial_domain)
tdom = GridDomain.load(temporal_domain)
file_root = FileSystem.get_url(FS.CACHE,'datasets')
scov = SimplexCoverage(file_root,dataset_id,description or dataset_id,parameter_dictionary=pdict, temporal_domain=tdom, spatial_domain=sdom, inline_data_writes=self.inline_data_writes)
return scov
def on_start(self):
super(TransformCapture, self).on_start()
# #@todo: Remove debugging statements
log.debug('(Transform: %s) Starting...', self.name)
self.file_name = self.CFG.get_safe(
'process.file_name', FileSystem.get_url(FS.TEMP,
'transform_output'))
def create_known(dataset_name, rootgrp_name, grp_name):
"""
A known array to compare against during tests
"""
known_array = numpy.random.rand(10, 20)
filename = FileSystem.get_url(FS.TEMP, random_name(), ".hdf5")
# Write an hdf file with known values to compare against
h5pyfile = h5py.File(filename, mode='w', driver='core')
grp = h5pyfile.create_group(rootgrp_name)
subgrp = grp.create_group(grp_name)
dataset = subgrp.create_dataset(dataset_name,
known_array.shape,
known_array.dtype.str,
compression='gzip',
compression_opts=4,
maxshape=(None, None))
dataset.write_direct(known_array)
h5pyfile.close()
# convert the hdf file into a binary string
f = open(filename, mode='rb')
# read the binary string representation of the file
known_hdf_as_string = f.read(
) # this is a known string to compare against during tests
f.close()
# cleaning up
FileSystem.unlink(f.name)
return known_array, known_hdf_as_string
def _splice_coverage(cls, dataset_id, scov):
file_root = FileSystem.get_url(FS.CACHE,'datasets')
vcov = cls._get_coverage(dataset_id,mode='a')
scov_pth = scov.persistence_dir
if isinstance(vcov.reference_coverage, SimplexCoverage):
ccov = ComplexCoverage(file_root, uuid4().hex, 'Complex coverage for %s' % dataset_id,
reference_coverage_locs=[vcov.head_coverage_path,],
parameter_dictionary=ParameterDictionary(),
complex_type=ComplexCoverageType.TEMPORAL_AGGREGATION)
log.info('Creating Complex Coverage: %s', ccov.persistence_dir)
ccov.append_reference_coverage(scov_pth)
ccov_pth = ccov.persistence_dir
ccov.close()
vcov.replace_reference_coverage(ccov_pth)
elif isinstance(vcov.reference_coverage, ComplexCoverage):
log.info('Appending simplex coverage to complex coverage')
#vcov.reference_coverage.append_reference_coverage(scov_pth)
dir_path = vcov.reference_coverage.persistence_dir
vcov.close()
ccov = AbstractCoverage.load(dir_path, mode='a')
ccov.append_reference_coverage(scov_pth)
ccov.refresh()
ccov.close()
vcov.refresh()
vcov.close()
def create_known(dataset_name, rootgrp_name, grp_name):
"""
A known array to compare against during tests
"""
known_array = numpy.ones((10,20))
filename = FileSystem.get_url(FS.TEMP,random_name(), ".hdf5")
# Write an hdf file with known values to compare against
h5pyfile = h5py.File(filename, mode = 'w', driver='core')
grp = h5pyfile.create_group(rootgrp_name)
subgrp = grp.create_group(grp_name)
dataset = subgrp.create_dataset(dataset_name, known_array.shape, known_array.dtype.str, maxshape=(None,None))
dataset.write_direct(known_array)
h5pyfile.close()
# convert the hdf file into a binary string
f = open(filename, mode='rb')
# read the binary string representation of the file
known_hdf_as_string = f.read() # this is a known string to compare against during tests
f.close()
# cleaning up
FileSystem.unlink(f.name)
return known_array, known_hdf_as_string
def upload_qc():
upload_folder = FileSystem.get_url(FS.TEMP, 'uploads')
try:
object_store = Container.instance.object_store
# required fields
upload = request.files['file'] # <input type=file name="file">
if upload:
# upload file - run filename through werkzeug.secure_filename
filename = secure_filename(upload.filename)
path = os.path.join(upload_folder, filename)
upload_time = time.time()
upload.save(path)
filetype = _check_magic(
upload) or 'CSV' # Either going to be ZIP or CSV, probably
# register upload
file_upload_context = {
'name': 'User uploaded QC file %s' % filename,
'filename': filename,
'filetype': filetype, # only CSV, no detection necessary
'path': path,
'upload_time': upload_time,
'status': 'File uploaded to server'
}
fuc_id, _ = object_store.create_doc(file_upload_context)
# client to process dispatch
pd_client = ProcessDispatcherServiceClient()
# create process definition
process_definition = ProcessDefinition(
name='upload_qc_processor',
executable={
'module': 'ion.processes.data.upload.upload_qc_processing',
'class': 'UploadQcProcessing'
})
process_definition_id = pd_client.create_process_definition(
process_definition)
# create process
process_id = pd_client.create_process(process_definition_id)
#schedule process
config = DotDict()
config.process.fuc_id = fuc_id
pid = pd_client.schedule_process(process_definition_id,
process_id=process_id,
configuration=config)
log.info('UploadQcProcessing process created %s' % pid)
# response - only FileUploadContext ID and determined filetype for UX display
resp = {'fuc_id': fuc_id}
return gateway_json_response(resp)
raise BadRequest('Invalid Upload')
except Exception as e:
return build_error_response(e)
def _create_coverage(self, dataset_id, parameter_dict_id, time_dom, spatial_dom):
pd = self.dataset_management_client.read_parameter_dictionary(parameter_dict_id)
pdict = ParameterDictionary.load(pd)
sdom = GridDomain.load(spatial_dom.dump())
tdom = GridDomain.load(time_dom.dump())
file_root = FileSystem.get_url(FS.CACHE,'datasets')
scov = SimplexCoverage(file_root, dataset_id, dataset_id, parameter_dictionary=pdict, temporal_domain=tdom, spatial_domain=sdom)
return scov
def _create_view_coverage(self, dataset_id, description, parent_dataset_id):
# As annoying as it is we need to load the view coverage belonging to parent dataset id and use the information
# inside to build the new one...
file_root = FileSystem.get_url(FS.CACHE,'datasets')
pscov = self._get_simplex_coverage(parent_dataset_id, mode='r')
scov_location = pscov.persistence_dir
pscov.close()
vcov = ViewCoverage(file_root, dataset_id, description or dataset_id, reference_coverage_location=scov_location)
return vcov
def _create_coverage(self, dataset_id, description, parameter_dict, spatial_domain,temporal_domain):
file_root = FileSystem.get_url(FS.CACHE,'datasets')
pdict = ParameterDictionary.load(parameter_dict)
sdom = GridDomain.load(spatial_domain)
tdom = GridDomain.load(temporal_domain)
scov = self._create_simplex_coverage(dataset_id, pdict, sdom, tdom, self.inline_data_writes)
vcov = ViewCoverage(file_root, dataset_id, description or dataset_id, reference_coverage_location=scov.persistence_dir)
scov.close()
return vcov
def process(self,packet):
input = int(packet.get('num',0))
prep = 'echo \'1+%d\' | bc' %(input)
output = commands.getoutput(prep)
if self.has_output:
self.publish(dict(num=output))
with open(FileSystem.get_url(FS.TEMP,"transform_output"),'a') as f:
f.write('(%s): Received %s, transform: %s\n' %(self.name, packet, output))
def upload_qc():
upload_folder = FileSystem.get_url(FS.TEMP,'uploads')
try:
object_store = Container.instance.object_store
# required fields
upload = request.files['file'] # <input type=file name="file">
if upload:
# upload file - run filename through werkzeug.secure_filename
filename = secure_filename(upload.filename)
path = os.path.join(upload_folder, filename)
upload_time = time.time()
upload.save(path)
filetype = _check_magic(upload) or 'CSV' # Either going to be ZIP or CSV, probably
# register upload
file_upload_context = {
'name': 'User uploaded QC file %s' % filename,
'filename': filename,
'filetype': filetype, # only CSV, no detection necessary
'path': path,
'upload_time': upload_time,
'status': 'File uploaded to server'
}
fuc_id, _ = object_store.create_doc(file_upload_context)
# client to process dispatch
pd_client = ProcessDispatcherServiceClient()
# create process definition
process_definition = ProcessDefinition(
name='upload_qc_processor',
executable={
'module': 'ion.processes.data.upload.upload_qc_processing',
'class': 'UploadQcProcessing'
}
)
process_definition_id = pd_client.create_process_definition(process_definition)
# create process
process_id = pd_client.create_process(process_definition_id)
# schedule process
config = DotDict()
config.process.fuc_id = fuc_id
pid = pd_client.schedule_process(process_definition_id, process_id=process_id, configuration=config)
log.info('UploadQcProcessing process created %s' % pid)
# response - only FileUploadContext ID and determined filetype for UX display
resp = {'fuc_id': fuc_id}
return gateway_json_response(resp)
raise BadRequest('Invalid Upload')
except Exception as e:
return build_error_response(e)
def _create_complex_coverage(cls, dataset_id, description, parameter_dict):
pdict = ParameterDictionary.load(parameter_dict)
file_root = FileSystem.get_url(FS.CACHE, 'datasets')
ccov = ComplexCoverage(
file_root,
dataset_id,
'Complex Coverage for %s' % dataset_id,
parameter_dictionary=pdict,
complex_type=ComplexCoverageType.TEMPORAL_AGGREGATION)
return ccov
def _create_simplex_coverage(cls, dataset_id, parameter_dictionary,
spatial_domain, temporal_domain):
file_root = FileSystem.get_url(FS.CACHE, 'datasets')
scov = SimplexCoverage(file_root,
dataset_id,
'Simplex Coverage for %s' % dataset_id,
parameter_dictionary=parameter_dictionary,
temporal_domain=temporal_domain,
spatial_domain=spatial_domain)
return scov
def process(self, packet):
input = int(packet.get('num', 0))
prep = 'echo \'1+%d\' | bc' % (input)
output = commands.getoutput(prep)
if self.has_output:
self.publish(dict(num=output))
with open(FileSystem.get_url(FS.TEMP, "transform_output"), 'a') as f:
f.write('(%s): Received %s, transform: %s\n' %
(self.name, packet, output))
def check_msg(msg, header):
assertions(isinstance(msg, StreamGranuleContainer), 'Msg is not a container')
hdf_string = msg.identifiables[msg.data_stream_id].values
sha1 = hashlib.sha1(hdf_string).hexdigest().upper()
log.debug('Sha1 matches')
log.debug('Dumping file so you can inspect it.')
log.debug('Records: %d' % msg.identifiables['record_count'].value)
with open(FileSystem.get_url(FS.TEMP,'%s.cap.hdf5' % sha1[:8]),'w') as f:
f.write(hdf_string)
log.debug('Stream Capture: %s', f.name)
result.set(True)
def process(self, packet):
"""Processes incoming data!!!!
"""
output = int(packet.get('num',0)) + 1
log.debug('(%s) Processing Packet: %s',self.name,packet)
log.debug('(%s) Transform Complete: %s', self.name, output)
if self.has_output:
self.publish(dict(num=str(output)))
with open(FileSystem.get_url(FS.TEMP,"transform_output"),'a') as f:
f.write('(%s): Received Packet: %s\n' % (self.name,packet))
f.write('(%s): - Transform - %d\n' % (self.name,output))
def _create_view_coverage(self, dataset_id, description,
parent_dataset_id):
# As annoying as it is we need to load the view coverage belonging to parent dataset id and use the information
# inside to build the new one...
file_root = FileSystem.get_url(FS.CACHE, 'datasets')
pscov = self._get_simplex_coverage(parent_dataset_id, mode='r')
scov_location = pscov.persistence_dir
pscov.close()
vcov = ViewCoverage(file_root,
dataset_id,
description or dataset_id,
reference_coverage_location=scov_location)
return vcov
def process(self, packet):
"""Processes incoming data!!!!
"""
output = int(packet.get('num', 0)) + 1
log.debug('(%s) Processing Packet: %s', self.name, packet)
log.debug('(%s) Transform Complete: %s', self.name, output)
if self.has_output:
self.publish(dict(num=str(output)))
with open(FileSystem.get_url(FS.TEMP, "transform_output"), 'a') as f:
f.write('(%s): Received Packet: %s\n' % (self.name, packet))
f.write('(%s): - Transform - %d\n' % (self.name, output))
def check_msg(msg, header):
assertions(isinstance(msg, StreamGranuleContainer),
'Msg is not a container')
hdf_string = msg.identifiables[msg.data_stream_id].values
sha1 = hashlib.sha1(hdf_string).hexdigest().upper()
log.debug('Sha1 matches')
log.debug('Dumping file so you can inspect it.')
log.debug('Records: %d' % msg.identifiables['record_count'].value)
with open(FileSystem.get_url(FS.TEMP, '%s.cap.hdf5' % sha1[:8]),
'w') as f:
f.write(hdf_string)
log.debug('Stream Capture: %s', f.name)
result.set(True)
def _create_coverage(self, dataset_id, description, parameter_dict,
spatial_domain, temporal_domain):
pdict = ParameterDictionary.load(parameter_dict)
sdom = GridDomain.load(spatial_domain)
tdom = GridDomain.load(temporal_domain)
file_root = FileSystem.get_url(FS.CACHE, 'datasets')
scov = SimplexCoverage(file_root,
dataset_id,
description or dataset_id,
parameter_dictionary=pdict,
temporal_domain=tdom,
spatial_domain=sdom,
inline_data_writes=self.inline_data_writes)
return scov
def _create_coverage(self, dataset_id, description, parameter_dict,
spatial_domain, temporal_domain):
file_root = FileSystem.get_url(FS.CACHE, 'datasets')
pdict = ParameterDictionary.load(parameter_dict)
sdom = GridDomain.load(spatial_domain)
tdom = GridDomain.load(temporal_domain)
scov = self._create_simplex_coverage(dataset_id, pdict, sdom, tdom,
self.inline_data_writes)
vcov = ViewCoverage(file_root,
dataset_id,
description or dataset_id,
reference_coverage_location=scov.persistence_dir)
scov.close()
return vcov
def setUp(self):
import numpy, h5py
FileSystem(DotDict())
#--------------------------------------------------------------------
# Create an hdf file for testing
#--------------------------------------------------------------------
self.salinity = [0,]*3
self.temperature = [0,]*3
self.pressure = [0,]*3
self.salinity[0] = numpy.arange(50)
self.salinity[1] = numpy.arange(50) + 50
self.salinity[2] = numpy.arange(50) + 100
self.temperature[0] = numpy.random.normal(size=50)
self.temperature[1] = numpy.random.normal(size=50)
self.temperature[2] = numpy.random.normal(size=50)
self.pressure[0] = numpy.random.uniform(low=0.0, high=1.0, size=50)
self.pressure[1] = numpy.random.uniform(low=0.0, high=1.0, size=50)
self.pressure[2] = numpy.random.uniform(low=0.0, high=1.0, size=50)
# provide the check_pieces mathod the size of the dataset so that it can do its checking..
self.sl = slice(0,150)
self.fnames = [0,]*3
for i in range(0,3):
self.fnames[i] = FileSystem.get_url(FS.TEMP, 'data%d.hdf5' % (i+1))
for fname, s, t, p in zip(self.fnames, self.salinity, self.temperature, self.pressure):
file = h5py.File(fname, 'w')
grp1 = file.create_group('fields')
dset1 = grp1.create_dataset("salinity", data=s)
dset2 = grp1.create_dataset("temperature", data=t)
dset3 = grp1.create_dataset("pressure", data=p)
file.close()
# Concatenate the test values for comparison:
self.t_result = numpy.concatenate((self.temperature[0],self.temperature[1],self.temperature[2]), axis = 0)
self.s_result = numpy.concatenate((self.salinity[0],self.salinity[1],self.salinity[2]), axis = 0)
self.p_result = numpy.concatenate((self.pressure[0],self.pressure[1],self.pressure[2]), axis = 0)
def __init__(self, hdf_string):
"""
@param hdf_string
"""
#try:
assert isinstance(hdf_string, basestring), 'The input for instantiating the HDFDecoder object is not a string'
#except AssertionError as err:
# raise HDFDecoderException(err.message)
self.filename = FileSystem.get_url(fs=FS.TEMP, filename=hashlib.sha1(hdf_string).hexdigest(), ext='_decoder.hdf5')
#try:
# save an hdf string to disk - in /tmp to so we can open it as an hdf file and read data from it
f = open(self.filename, mode='wb')
f.write(hdf_string)
f.close()
def _create_simplex_coverage(cls,
dataset_id,
parameter_dictionary,
spatial_domain,
temporal_domain,
inline_data_writes=True):
file_root = FileSystem.get_url(FS.CACHE, 'datasets')
scov = SimplexCoverage(file_root,
uuid4().hex,
'Simplex Coverage for %s' % dataset_id,
parameter_dictionary=parameter_dictionary,
temporal_domain=temporal_domain,
spatial_domain=spatial_domain,
inline_data_writes=inline_data_writes)
return scov
def _create_coverage(self, dataset_id, parameter_dict_id, time_dom,
spatial_dom):
pd = self.dataset_management_client.read_parameter_dictionary(
parameter_dict_id)
pdict = ParameterDictionary.load(pd)
sdom = GridDomain.load(spatial_dom.dump())
tdom = GridDomain.load(time_dom.dump())
file_root = FileSystem.get_url(FS.CACHE, 'datasets')
scov = SimplexCoverage(file_root,
dataset_id,
dataset_id,
parameter_dictionary=pdict,
temporal_domain=tdom,
spatial_domain=sdom)
return scov
def __init__(self, name = None):
"""
@param name The name of the dataset
"""
# generate a random name for the filename if it has not been provided.
self.filename = FileSystem.get_url(fs=FS.TEMP, filename=name or random_name(), ext='encoder.hdf5')
# Using inline imports to put off making hdf/numpy required dependencies
import h5py
# open an hdf file on disk - in /tmp to write data to since we can't yet do in memory
log.debug("Creating h5py file object for the encoder at %s" % self.filename)
if os.path.isfile(self.filename):
# if file exists, then append to it
self.h5pyfile = h5py.File(self.filename, mode = 'r+', driver='core')
else:
# if file does not already exist, write a new one
self.h5pyfile = h5py.File(self.filename, mode = 'w', driver='core')
assert self.h5pyfile, 'No h5py file object created.'
def upload_data(dataproduct_id):
upload_folder = FileSystem.get_url(FS.TEMP,'uploads')
try:
rr_client = ResourceRegistryServiceProcessClient(process=service_gateway_instance)
object_store = Container.instance.object_store
try:
rr_client.read(str(dataproduct_id))
except BadRequest:
raise BadRequest('Unknown DataProduct ID %s' % dataproduct_id)
# required fields
upload = request.files['file'] # <input type=file name="file">
# determine filetype
filetype = _check_magic(upload)
upload.seek(0) # return to beginning for save
if upload and filetype is not None:
# upload file - run filename through werkzeug.secure_filename
filename = secure_filename(upload.filename)
path = os.path.join(upload_folder, filename)
upload_time = time.time()
upload.save(path)
# register upload
file_upload_context = {
# TODO add dataproduct_id
'name':'User uploaded file %s' % filename,
'filename':filename,
'filetype':filetype,
'path':path,
'upload_time':upload_time,
'status':'File uploaded to server'
}
fuc_id, _ = object_store.create_doc(file_upload_context)
# client to process dispatch
pd_client = ProcessDispatcherServiceClient()
# create process definition
process_definition = ProcessDefinition(
name='upload_data_processor',
executable={
'module':'ion.processes.data.upload.upload_data_processing',
'class':'UploadDataProcessing'
}
)
process_definition_id = pd_client.create_process_definition(process_definition)
# create process
process_id = pd_client.create_process(process_definition_id)
#schedule process
config = DotDict()
config.process.fuc_id = fuc_id
config.process.dp_id = dataproduct_id
pid = pd_client.schedule_process(process_definition_id, process_id=process_id, configuration=config)
log.info('UploadDataProcessing process created %s' % pid)
# response - only FileUploadContext ID and determined filetype for UX display
resp = {'fuc_id': fuc_id}
return gateway_json_response(resp)
raise BadRequest('Invalid Upload')
except Exception as e:
return build_error_response(e)
def _get_coverage(cls, dataset_id, mode='w'):
file_root = FileSystem.get_url(FS.CACHE, 'datasets')
coverage = AbstractCoverage.load(file_root, dataset_id, mode=mode)
return coverage
def _get_coverage_path(cls, dataset_id):
file_root = FileSystem.get_url(FS.CACHE, 'datasets')
return os.path.join(file_root, '%s' % dataset_id)
def _publish_query(self, results):
'''
Callback to publish the specified results
'''
#-----------------------
# Iteration
#-----------------------
# - Go through the results, if the user had include_docs=True in the options field
# then the full document is in result.doc; however if the query did not include_docs,
# then only the doc_id is provided in the result.value.
#
# - What this allows us to do is limit the amount of traffic in information for large queries.
# If we only are making a query in a sequence of queries (such as map and reduce) then we don't
# care about the full document, yet, we only care about the doc id and will retrieve the document later.
# - Example:
# Imagine the blogging example, we want the latest blog by author George and all the comments for that blog
# The series of queries would go, post_by_updated -> posts_by_author -> posts_join_comments and then
# in the last query we'll set include_docs to true and parse the docs.
#-----------------------
log.warn('results: %s', results)
for result in results:
log.warn('REPLAY Result: %s' % result)
assert('doc' in result)
replay_obj_msg = result['doc']
if isinstance(replay_obj_msg, BlogBase):
replay_obj_msg.is_replay = True
self.lock.acquire()
self.output.publish(replay_obj_msg)
self.lock.release()
elif isinstance(replay_obj_msg, StreamDefinitionContainer):
replay_obj_msg.stream_resource_id = self.stream_id
elif isinstance(replay_obj_msg, StreamGranuleContainer):
# Override the resource_stream_id so ingestion doesn't reingest, also this is a NEW stream (replay)
replay_obj_msg.stream_resource_id = self.stream_id
datastream = None
sha1 = None
for key, identifiable in replay_obj_msg.identifiables.iteritems():
if isinstance(identifiable, DataStream):
datastream = identifiable
elif isinstance(identifiable, Encoding):
sha1 = identifiable.sha1
if sha1: # if there is an encoding
# Get the file from disk
filename = FileSystem.get_url(FS.CACHE, sha1, ".hdf5")
log.warn('Replay reading from filename: %s' % filename)
hdf_string = ''
try:
with open(filename, mode='rb') as f:
hdf_string = f.read()
f.close()
# Check the Sha1
retreived_hdfstring_sha1 = hashlib.sha1(hdf_string).hexdigest().upper()
if sha1 != retreived_hdfstring_sha1:
raise ReplayProcessException('The sha1 mismatch between the sha1 in datastream and the sha1 of hdf_string in the saved file in hdf storage')
except IOError:
log.warn('No HDF file found!')
#@todo deal with this situation? How?
hdf_string = 'HDF File %s not found!' % filename
# set the datastream.value field!
datastream.values = hdf_string
else:
log.warn('No encoding in the StreamGranuleContainer!')
self.lock.acquire()
self.output.publish(replay_obj_msg)
self.lock.release()
else:
log.warn('Unknown type retrieved in DOC!')
#@todo: log when there are not results
if results is None:
log.warn('No results found in replay query!')
else:
log.debug('Published replay!')
def start(self):
if self.container.has_capability(self.container.CCAP.FILE_SYSTEM):
self.datastore_dir = FileSystem.get_url(FS.FILESTORE,
self.datastore_name)
else:
self.datastore_dir = "./tmp/%s" % self.datastore_name
def upload_data(dataproduct_id):
upload_folder = FileSystem.get_url(FS.TEMP, 'uploads')
try:
rr_client = ResourceRegistryServiceProcessClient(
node=Container.instance.node, process=service_gateway_instance)
object_store = Container.instance.object_store
try:
rr_client.read(str(dataproduct_id))
except BadRequest:
raise BadRequest('Unknown DataProduct ID %s' % dataproduct_id)
# required fields
upload = request.files['file'] # <input type=file name="file">
# determine filetype
filetype = _check_magic(upload)
upload.seek(0) # return to beginning for save
if upload and filetype is not None:
# upload file - run filename through werkzeug.secure_filename
filename = secure_filename(upload.filename)
path = os.path.join(upload_folder, filename)
upload_time = time.time()
upload.save(path)
# register upload
file_upload_context = {
# TODO add dataproduct_id
'name': 'User uploaded file %s' % filename,
'filename': filename,
'filetype': filetype,
'path': path,
'upload_time': upload_time,
'status': 'File uploaded to server'
}
fuc_id, _ = object_store.create_doc(file_upload_context)
# client to process dispatch
pd_client = ProcessDispatcherServiceClient()
# create process definition
process_definition = ProcessDefinition(
name='upload_data_processor',
executable={
'module':
'ion.processes.data.upload.upload_data_processing',
'class': 'UploadDataProcessing'
})
process_definition_id = pd_client.create_process_definition(
process_definition)
# create process
process_id = pd_client.create_process(process_definition_id)
#schedule process
config = DotDict()
config.process.fuc_id = fuc_id
config.process.dp_id = dataproduct_id
pid = pd_client.schedule_process(process_definition_id,
process_id=process_id,
configuration=config)
log.info('UploadDataProcessing process created %s' % pid)
# response - only FileUploadContext ID and determined filetype for UX display
resp = {'fuc_id': fuc_id}
return gateway_json_response(resp)
raise BadRequest('Invalid Upload')
except Exception as e:
return build_error_response(e)
def start(self):
if self.container.has_capability(self.container.CCAP.FILE_SYSTEM):
self.datastore_dir = FileSystem.get_url(FS.FILESTORE, self.datastore_name)
else:
self.datastore_dir = "./tmp/%s" % self.datastore_name
def process_stream(self, packet, dset_config):
"""
Accepts a stream. Also accepts instruction (a dset_config). According to the received dset_config it processes the
stream such as store in hfd_storage, couch_storage.
@param: packet The incoming data stream of type stream.
@param: dset_config The dset_config telling this method what to do with the incoming data stream.
"""
# Ignoring is_replay attribute now that we have a policy implementation
if isinstance(packet, StreamGranuleContainer):
if dset_config is None:
log.warn('No dataset config for this stream!')
return
hdfstring = ''
sha1 = ''
for key,value in packet.identifiables.iteritems():
if isinstance(value, DataStream):
hdfstring = value.values
value.values=''
elif isinstance(value, Encoding):
sha1 = value.sha1
if dset_config.archive_metadata is True:
log.debug("Persisting data....")
self.persist_immutable(packet )
if dset_config.archive_data is True:
#@todo - grab the filepath to save the hdf string somewhere..
if hdfstring:
calculated_sha1 = hashlib.sha1(hdfstring).hexdigest().upper()
filename = FileSystem.get_url(FS.CACHE, calculated_sha1, ".hdf5")
if sha1 != calculated_sha1:
raise IngestionWorkerException('The sha1 stored is different than the calculated from the received hdf_string')
log.warn('writing to filename: %s' % filename)
with open(filename, mode='wb') as f:
f.write(hdfstring)
f.close()
else:
log.warn("Nothing to write!")
elif isinstance(packet, BlogPost) and not packet.is_replay:
self.persist_immutable(packet )
elif isinstance(packet, BlogComment) and not packet.is_replay:
self.persist_immutable(packet)
def _create_simplex_coverage(cls, dataset_id, parameter_dictionary, spatial_domain, temporal_domain):
file_root = FileSystem.get_url(FS.CACHE,'datasets')
scov = SimplexCoverage(file_root,dataset_id,'Simplex Coverage for %s' % dataset_id, parameter_dictionary=parameter_dictionary, temporal_domain=temporal_domain, spatial_domain=spatial_domain )
return scov
def _get_coverage_path(cls, dataset_id):
file_root = FileSystem.get_url(FS.CACHE,'datasets')
return os.path.join(file_root, '%s' % dataset_id)
def _get_coverage(cls, dataset_id, mode='w'):
file_root = FileSystem.get_url(FS.CACHE, 'datasets')
coverage = SimplexCoverage(file_root, dataset_id, mode=mode)
return coverage
def _get_coverage(cls,dataset_id,mode='r'):
file_root = FileSystem.get_url(FS.CACHE,'datasets')
coverage = AbstractCoverage.load(file_root, dataset_id, mode=mode)
return coverage
def on_start(self):
super(TransformCapture, self).on_start()
# #@todo: Remove debugging statements
log.debug('(Transform: %s) Starting...',self.name)
self.file_name = self.CFG.get_safe('process.file_name',FileSystem.get_url(FS.TEMP,'transform_output'))
def _create_simplex_coverage(cls, dataset_id, parameter_dictionary, spatial_domain, temporal_domain, inline_data_writes=True):
file_root = FileSystem.get_url(FS.CACHE,'datasets')
scov = SimplexCoverage(file_root,uuid4().hex,'Simplex Coverage for %s' % dataset_id, parameter_dictionary=parameter_dictionary, temporal_domain=temporal_domain, spatial_domain=spatial_domain, inline_data_writes=inline_data_writes)
return scov
def setUp(self):
import numpy, h5py
FileSystem(DotDict())
#--------------------------------------------------------------------
# Create an hdf file for testing
#--------------------------------------------------------------------
self.salinity = [
0,
] * 3
self.temperature = [
0,
] * 3
self.pressure = [
0,
] * 3
self.salinity[0] = numpy.arange(50)
self.salinity[1] = numpy.arange(50) + 50
self.salinity[2] = numpy.arange(50) + 100
self.temperature[0] = numpy.random.normal(size=50)
self.temperature[1] = numpy.random.normal(size=50)
self.temperature[2] = numpy.random.normal(size=50)
self.pressure[0] = numpy.random.uniform(low=0.0, high=1.0, size=50)
self.pressure[1] = numpy.random.uniform(low=0.0, high=1.0, size=50)
self.pressure[2] = numpy.random.uniform(low=0.0, high=1.0, size=50)
# provide the check_pieces mathod the size of the dataset so that it can do its checking..
self.sl = slice(0, 150)
self.fnames = [
0,
] * 3
for i in range(0, 3):
self.fnames[i] = FileSystem.get_url(FS.TEMP,
'data%d.hdf5' % (i + 1))
for fname, s, t, p in zip(self.fnames, self.salinity, self.temperature,
self.pressure):
file = h5py.File(fname, 'w')
grp1 = file.create_group('fields')
dset1 = grp1.create_dataset("salinity", data=s)
dset2 = grp1.create_dataset("temperature", data=t)
dset3 = grp1.create_dataset("pressure", data=p)
file.close()
# Concatenate the test values for comparison:
self.t_result = numpy.concatenate(
(self.temperature[0], self.temperature[1], self.temperature[2]),
axis=0)
self.s_result = numpy.concatenate(
(self.salinity[0], self.salinity[1], self.salinity[2]), axis=0)
self.p_result = numpy.concatenate(
(self.pressure[0], self.pressure[1], self.pressure[2]), axis=0)
def _create_complex_coverage(cls, dataset_id, description, parameter_dict):
pdict = ParameterDictionary.load(parameter_dict)
file_root = FileSystem.get_url(FS.CACHE, 'datasets')
ccov = ComplexCoverage(file_root, dataset_id, 'Complex Coverage for %s' % dataset_id, parameter_dictionary=pdict, complex_type=ComplexCoverageType.TEMPORAL_AGGREGATION)
return ccov
def test_dm_integration(self):
'''
test_dm_integration
Test full DM Services Integration
'''
cc = self.container
assertions = self.assertTrue
#-----------------------------
# Copy below here
#-----------------------------
pubsub_management_service = PubsubManagementServiceClient(node=cc.node)
ingestion_management_service = IngestionManagementServiceClient(node=cc.node)
dataset_management_service = DatasetManagementServiceClient(node=cc.node)
data_retriever_service = DataRetrieverServiceClient(node=cc.node)
transform_management_service = TransformManagementServiceClient(node=cc.node)
process_dispatcher = ProcessDispatcherServiceClient(node=cc.node)
process_list = []
datasets = []
datastore_name = 'test_dm_integration'
#---------------------------
# Set up ingestion
#---------------------------
# Configure ingestion using eight workers, ingesting to test_dm_integration datastore with the SCIDATA profile
log.debug('Calling create_ingestion_configuration')
ingestion_configuration_id = ingestion_management_service.create_ingestion_configuration(
exchange_point_id='science_data',
couch_storage=CouchStorage(datastore_name=datastore_name,datastore_profile='SCIDATA'),
number_of_workers=8
)
#
ingestion_management_service.activate_ingestion_configuration(
ingestion_configuration_id=ingestion_configuration_id)
ctd_stream_def = ctd_stream_definition()
stream_def_id = pubsub_management_service.create_stream_definition(container=ctd_stream_def, name='Junk definition')
#---------------------------
# Set up the producers (CTD Simulators)
#---------------------------
# Launch five simulated CTD producers
for iteration in xrange(5):
# Make a stream to output on
stream_id = pubsub_management_service.create_stream(stream_definition_id=stream_def_id)
#---------------------------
# Set up the datasets
#---------------------------
dataset_id = dataset_management_service.create_dataset(
stream_id=stream_id,
datastore_name=datastore_name,
view_name='datasets/stream_join_granule'
)
# Keep track of the datasets
datasets.append(dataset_id)
stream_policy_id = ingestion_management_service.create_dataset_configuration(
dataset_id = dataset_id,
archive_data = True,
archive_metadata = True,
ingestion_configuration_id = ingestion_configuration_id
)
producer_definition = ProcessDefinition()
producer_definition.executable = {
'module':'ion.processes.data.ctd_stream_publisher',
'class':'SimpleCtdPublisher'
}
configuration = {
'process':{
'stream_id':stream_id,
'datastore_name':datastore_name
}
}
procdef_id = process_dispatcher.create_process_definition(process_definition=producer_definition)
log.debug('LUKE_DEBUG: procdef_id: %s', procdef_id)
pid = process_dispatcher.schedule_process(process_definition_id=procdef_id, configuration=configuration)
# Keep track, we'll kill 'em later.
process_list.append(pid)
# Get about 4 seconds of data
time.sleep(4)
#---------------------------
# Stop producing data
#---------------------------
for process in process_list:
process_dispatcher.cancel_process(process)
#----------------------------------------------
# The replay and the transform, a love story.
#----------------------------------------------
# Happy Valentines to the clever coder who catches the above!
transform_definition = ProcessDefinition()
transform_definition.executable = {
'module':'ion.processes.data.transforms.transform_example',
'class':'TransformCapture'
}
transform_definition_id = process_dispatcher.create_process_definition(process_definition=transform_definition)
dataset_id = datasets.pop() # Just need one for now
replay_id, stream_id = data_retriever_service.define_replay(dataset_id=dataset_id)
#--------------------------------------------
# I'm Selling magazine subscriptions here!
#--------------------------------------------
subscription = pubsub_management_service.create_subscription(query=StreamQuery(stream_ids=[stream_id]),
exchange_name='transform_capture_point')
#--------------------------------------------
# Start the transform (capture)
#--------------------------------------------
transform_id = transform_management_service.create_transform(
name='capture_transform',
in_subscription_id=subscription,
process_definition_id=transform_definition_id
)
transform_management_service.activate_transform(transform_id=transform_id)
#--------------------------------------------
# BEGIN REPLAY!
#--------------------------------------------
data_retriever_service.start_replay(replay_id=replay_id)
#--------------------------------------------
# Lets get some boundaries
#--------------------------------------------
bounds = dataset_management_service.get_dataset_bounds(dataset_id=dataset_id)
assertions('latitude_bounds' in bounds, 'dataset_id: %s' % dataset_id)
assertions('longitude_bounds' in bounds)
assertions('pressure_bounds' in bounds)
#--------------------------------------------
# Make sure the transform capture worked
#--------------------------------------------
time.sleep(3) # Give the other processes up to 3 seconds to catch up
stats = os.stat(FileSystem.get_url(FS.TEMP,'transform_output'))
assertions(stats.st_blksize > 0)
# BEAUTIFUL!
FileSystem.unlink(FileSystem.get_url(FS.TEMP,'transform_output'))
def _get_coverage(cls,dataset_id,mode='w'):
file_root = FileSystem.get_url(FS.CACHE,'datasets')
coverage = SimplexCoverage(file_root, dataset_id,mode=mode)
return coverage
