def _drop_folder(filepath, inputfolder, outputfolder):
try:
uid = utils.unique_id()
name = "%s_%s" % (uid, os.path.basename(filepath))
inputfile = os.path.join(inputfolder, name)
outputfile = os.path.join(outputfolder, name)
shutil.copy(filepath, inputfile)
exists = os.path.exists(outputfile)
# Wait till file exists
while not exists:
logging.info("Output file %s doesnt exist, sleeping" % outputfile)
time.sleep(10)
exists = os.path.exists(outputfile)
# Wait until file stops growing
growing = True
size = os.path.getsize(outputfile)
logging.info("Size is %s" % str(size))
while growing:
time.sleep(10)
newsize = os.path.getsize(outputfile)
logging.info("Size is now %s" % str(newsize))
growing = (size != newsize)
size = newsize
logging.info("File Growing %s" % growing)
return outputfile
except Exception as e:
logging.info("Error with watching drop folder %s" % e)
raise e
def fims_mews(inputs, outputs, options={}, callbacks=[]):
# TODO: Create the correct paths for the FIMS MEWS service to be able to
# see the MFile content
bmcontent_locator = ""
jobguid = utils.unique_id()
transfer_locator = ""
transfer_destination = ""
transform_vars = {'bmcontent_locator': bmcontent_locator,
'jobguid': jobguid,
'transfer_locator':transfer_locator,
'transfer_destination':transfer_destination }
js = fims_transformrequest(settings.FIMS_MEWS_URL_TRANSFORM, transform_vars)
jobGUID = js["transformAck"]["operationInfo"]["jobID"]["jobGUID"]
# TODO: instead of having max_polls use the status field to break
# when the job fails (dont know what these statuses are yet)
max_polls=5
js_resp = fims_job_queryrequest(settings.FIMS_MEWS_URL_JOBQUERY+jobGUID)
status = js_resp ["queryJobRequest"]["queryJobInfo"]["jobInfo"]["status"]\
["code"]
while status == "running" and max_polls >= 0:
time.sleep(5)
js_resp = fims_job_queryrequest(settings.FIMS_MEWS_URL_JOBQUERY+jobGUID)
print js_resp
status = js_resp ["queryJobRequest"]["queryJobInfo"]["jobInfo"]["status"]\
["code"]
max_polls = max_polls -1
# TODO: Save the result from transfer_destination and transfer_locator?
return js_resp
def fims_mews(inputs, outputs, options={}, callbacks=[]):
''' Invokes the FIMS_MEWS service on remote mounted MServe storage '''
try:
mfileid = inputs[0]
joboutput = outputs[0]
from dataservice.models import MFile
mf = MFile.objects.get(id=mfileid)
job_uid = utils.unique_id()
# We need to create the destination folder
local_mount = settings.STORAGE_ROOT
if mf.service.container.default_path:
local_mount = os.path.join(settings.STORAGE_ROOT, mf.service.container.default_path)
local_destination = os.path.join(local_mount, "fims_mews", job_uid)
if not os.path.exists(local_destination):
os.makedirs(local_destination)
# Using the code below we need to mount the raw MServe storage on the fims mews machine.
bm_content_locator = ntpath.normpath(_mfile_to_mount(settings.FIMS_MEWS_MOUNT, mf))
mews_mount = settings.FIMS_MEWS_MOUNT
transfer_destination = ntpath.normpath(ntpath.join(mews_mount, "fims_mews", job_uid))
transfer_destination += "\\"
transform_vars = {'bm_content_locator': bm_content_locator,
'job_uid': job_uid,
'transfer_destination': transfer_destination,
'output_wrapper': options["output_wrapper"],
'output_codec': options["output_codec"]}
job_returned_js = fims_request(settings.FIMS_MEWS_URL_TRANSFORM, "transformRequest.xml", transform_vars)
logging.debug("FIMS Transform Request returned: %s", job_returned_js)
job_returned_uid = job_returned_js["transformAck"]["operationInfo"]["jobID"]["jobGUID"]
status_returned_js = fims_job_status_request(settings.FIMS_MEWS_URL_JOBQUERY + job_returned_uid)
logging.debug("FIMS Transform Service Status Request returned: %s", status_returned_js)
status = status_returned_js["queryJobRequest"]["queryJobInfo"]["jobInfo"]["status"]["code"]
while status != "completed":
if status == "failed":
# Failed job
raise Exception("FIMS MEWS task failed")
elif status == "canceled":
# Canceled job
raise Exception("FIMS MEWS task canceled")
else:
time.sleep(5)
status_returned_js = fims_job_status_request(settings.FIMS_MEWS_URL_JOBQUERY + job_returned_uid)
logging.debug("Service status returned: %s", status_returned_js)
status = status_returned_js["queryJobRequest"]["queryJobInfo"]["jobInfo"]["status"]["code"]
files = os.listdir(local_destination)
temp_archive = tempfile.NamedTemporaryFile('wb')
zip_files(temp_archive.name, local_destination, files)
output_file = open(temp_archive.name, 'r')
logging.info("output_file %s", output_file)
if output_file:
suf = SimpleUploadedFile("mfile", output_file.read(), content_type='application/octet-stream')
if len(outputs) > 0:
jo = JobOutput.objects.get(id=joboutput)
jo.file.save('results.zip', suf, save=True)
else:
logging.error("Nowhere to save output")
output_file.close()
else:
raise Exception("Unable to get output_file location")
# Clean up
clean_up_vars = {'job_uid': job_returned_uid,
'command': "cleanup"}
clean_up_returned_js = fims_request(settings.FIMS_MEWS_URL_MANAGE, "manageJobRequest.xml", clean_up_vars)
return {"success": True, "message": "FIMS_MEWS transcode of video successful"}
except Exception as e:
logging.info("Error with FIMS_MEWS %s" % e)
raise e
