def test_traverse_workflow_singularity(self):
loaded = parser.load_document(str(TEST_CWL.resolve()))
with TemporaryDirectory() as tmpdir:
for req in set(traverse(loaded)):
image_puller = SingularityImagePuller(req, tmpdir)
image_puller.save_docker_image()
def test_traverse_workflow(self):
loaded = parser.load_document(str(TEST_CWL.resolve()))
with TemporaryDirectory() as tmpdir:
for req in set(traverse(loaded)):
image_puller = DockerImagePuller(req, tmpdir)
image_puller.save_docker_image()
_ = image_puller.generate_udocker_loading_command()
def main():
args = parse_args()
os.makedirs(args.dir, exist_ok=True)
top = cwl.load_document(args.input)
for req in set(traverse(top)):
if args.singularity:
image_puller = SingularityImagePuller(req, args.dir)
else:
image_puller = DockerImagePuller(req, args.dir)
image_puller.save_docker_image()
def workflow_parse(request, repo_id, cwl_path):
"""
Parses a workflow and optionally a job file. Then gathers all fields from the user.
"""
repo = Repository.objects.get(pk=repo_id)
full_cwl_path = repo.get_content(cwl_path)
job = {}
if 'job' in request.GET:
job_path = repo.get_content(request.GET['job'])
try:
job = parse_job(Path(job_path), repo.path())
except Exception as e:
logger.error(f"can't parse {job_path}: {e}")
raise
parsed_workflow = load_document(str(full_cwl_path))
if request.method == 'POST':
form = CwlForm(parsed_workflow.inputs,
data=request.POST,
prefix=repo.path(),
default_values=job)
if form.is_valid():
relative_cwl = full_cwl_path.relative_to(repo.path())
workflow = Workflow(repository=repo, cwl_path=relative_cwl)
workflow.save()
with open(workflow.full_job_path(), mode='wt') as job:
json.dump(form.back_to_cwl_job(repo.path()), job)
run_workflow.delay(pk=workflow.id)
return redirect('scheduler:workflow_list')
else:
form = CwlForm(parsed_workflow.inputs,
prefix=repo.path(),
default_values=job)
context = {
'workflow': parsed_workflow,
'form': form,
'repo': repo,
'cwl_path': cwl_path
}
return render(request, 'scheduler/workflow_parse.html', context)
def validate_environment(self):
"""Validate environments in REANA CWL workflow."""
try:
import cwl_utils.parser_v1_0 as cwl_parser
from cwl_utils.docker_extract import traverse
except ImportError as e:
display_message(
"Cannot validate environment. Please install reana-client on Python 3+ to enable environment validation for CWL workflows.",
msg_type="error",
indented=True,
)
raise e
top = cwl_parser.load_document(self.workflow_file)
for image in traverse(top):
self._validate_environment_image(image)
def main():
top = cwl.load_document(sys.argv[1])
traverse(top)
def get_process_from_step(step: cwl.WorkflowStep):
if isinstance(step.run, str):
return cwl.load_document(step.run)
return step.run
def main():
args = parse_args()
setup_logger(args.debug)
# TODO: handle execeptions for bad file paths
workflow_file_path = args.cwl_workflow_file_path
workflow_file_dir = os.path.dirname(workflow_file_path)
log.info("Loading {}".format(workflow_file_path))
workflow = cwl.load_document(workflow_file_path)
adag = dax.ADAG("dag-generated-from-cwl", auto=True)
rc = ReplicaCatalog()
tc = TransformationCatalog(workflow_file_dir)
# process initial input file(s)
# TODO: need to account for the different fields for a file class
# TODO: log warning for the fields that we are skipping
workflow_input_strings = dict()
workflow_files = dict()
log.info("Collecting inputs in {}".format(args.input_file_spec_path))
with open(args.input_file_spec_path, "r") as yaml_file:
input_file_specs = load(yaml_file, Loader=Loader)
for input in workflow.inputs:
input_type = input.type
if input_type == "File":
workflow_files[get_basename(input.id)] = get_basename(input.id)
# TODO: account for non-local sites
rc.add_item(get_basename(input.id),
input_file_specs[get_basename(input.id)]["path"],
"local")
elif input_type == "string":
workflow_input_strings[get_basename(input.id)] = \
input_file_specs[get_basename(input.id)]
elif isinstance(input_type, cwl.InputArraySchema):
if input_type.items == "File":
# TODO: account for workflow inputs of type File[]
pass
elif input_type.items == "string":
workflow_input_strings[get_basename(input.id)] = \
input_file_specs[get_basename(input.id)]
log.info("Collecting output files")
for step in workflow.steps:
cwl_command_line_tool = cwl.load_document(step.run) if isinstance(step.run, str) \
else step.run
for output in cwl_command_line_tool.outputs:
# TODO: account for outputs that are not files
output_name = get_name(step.id, output.id)
log.debug("Adding (key: {0}, value: {1}) to workflow_files".format(
output_name, output.outputBinding.glob))
# TODO: throw error when glob contains javascript expression
# or pattern as we cannot support anything that is dynamic
workflow_files[output_name] = output.outputBinding.glob
log.info("Building workflow steps into dax jobs")
for step in workflow.steps:
# convert cwl:CommandLineTool -> pegasus:Executable
cwl_command_line_tool = cwl.load_document(step.run) if isinstance(step.run, str) \
else step.run
executable_name = os.path.basename(cwl_command_line_tool.baseCommand) if \
os.path.isabs(cwl_command_line_tool.baseCommand) else cwl_command_line_tool.baseCommand
dax_executable = dax.Executable(executable_name)
# add executable to transformation catalog
tc.add_item(executable_name, cwl_command_line_tool.baseCommand)
# create job with executable
dax_job = dax.Job(dax_executable)
step_inputs = dict()
for input in step.in_:
input_id = get_basename(input.id)
if isinstance(input.source, str):
step_inputs[input_id] = get_basename(input.source)
elif isinstance(input.source, list):
step_inputs[input_id] = [
get_basename(file) for file in input.source
]
# add input uses to job
for input in cwl_command_line_tool.inputs:
if input.type == "File":
file_id = step_inputs[get_name(step.id, input.id)]
file = dax.File(workflow_files[file_id])
log.debug("Adding link ({0} -> {1})".format(
file_id, dax_job.name))
dax_job.uses(file, link=dax.Link.INPUT)
# TODO: better type checking for string[] and File[] ?
elif isinstance(input.type, cwl.CommandInputArraySchema):
if input.type.items == "File":
file_ids = step_inputs[get_name(step.id, input.id)]
for file_id in file_ids:
file = dax.File(workflow_files[file_id])
log.debug("Adding link ({0} -> {1})".format(
file_id, dax_job.name))
dax_job.uses(file, link=dax.Link.INPUT)
# add output uses to job
# TODO: ensure that these are of type File or File[]
for output in step.out:
file_id = get_basename(output)
file = dax.File(workflow_files[file_id])
log.debug("Adding link ({0} -> {1})".format(dax_job.name, file_id))
dax_job.uses(file,
link=dax.Link.OUTPUT,
transfer=True,
register=True)
# add arguments to job
# TODO: place argument building up in a function
dax_job_args = cwl_command_line_tool.arguments if \
cwl_command_line_tool.arguments is not None else []
# process cwl inputBindings if they exist and build up job argument list
cwl_command_line_tool_inputs = sorted(cwl_command_line_tool.inputs,
key=lambda input : input.inputBinding.position if input.inputBinding.position \
is not None else 0 )
for input in cwl_command_line_tool_inputs:
# process args
if input.inputBinding is not None:
# TODO: account for inputBinding separation
if input.inputBinding.prefix is not None:
dax_job_args.append(input.inputBinding.prefix)
if input.type == "File":
dax_job_args.append(
dax.File(workflow_files[step_inputs[get_name(
step.id, input.id)]]))
if input.type == "string":
dax_job_args.append(
workflow_input_strings[step_inputs[get_name(
step.id, input.id)]])
# handle array type inputs
if isinstance(input.type, cwl.CommandInputArraySchema):
if input.type.items == "File":
for file in step_inputs[get_name(step.id, input.id)]:
dax_job_args.append(dax.File(workflow_files[file]))
elif input.type.items == "string":
input_string_arr_id = step_inputs[get_name(
step.id, input.id)]
separator = " " if input.inputBinding.itemSeparator is None \
else input.inputBinding.itemSeparator
dax_job_args.append(
# TODO: currently only accounting for input strings that
# are inputs to the entire workflow
separator.join(
workflow_input_strings[input_string_arr_id]))
log.debug("Adding job: {0}, with args: {1}".format(
dax_job.name, dax_job_args))
dax_job.addArguments(*dax_job_args)
# add job to DAG
adag.addJob(dax_job)
rc.write_catalog("rc.txt")
tc.write_catalog("tc.txt")
with open(args.output_file_path, "w") as f:
log.info("Writing DAX to {}".format(args.output_file_path))
adag.writeXML(f)
from cwl_utils import parser_v1_0
from re import sub
from cwlab.wf_input.read_xls import clean_string
configs = {}
cwl_document = parser_v1_0.load_document("test_files/workflows/wf_fastqc.cwl")
if isinstance(cwl_document, list):
cwl_documents = cwl_document
for cwl_document_ in cwl_documents:
if clean_string(sub(".*#", "", cwl_document_.id)) == "main":
cwl_document = cwl_document_
break
inp_records = cwl_document.inputs
for inp_rec in inp_records:
inp_rec
name = clean_string(sub(".*#", "", inp_rec.id))
is_array = False
null_allowed = False
null_items_allowed = False
default_value = [""]
# test if optional:
if isinstance(inp_rec.type, list):
if len(inp_rec.type) == 2 and "null" in inp_rec.type:
null_allowed = True
inp_rec.type.remove("null")
inp_rec.type = inp_rec.type[0]
else:
raise AssertionError(
"E: unkown type for parameter " + name +
": lists of type are only supported when one of two elements is \"null\""
def main():
setup_logger(None)
args = parse_args()
workflow_file_path = args.cwl_workflow_file_path
workflow_file_dir = os.path.dirname(workflow_file_path)
logger.info("Loading {}".format(workflow_file_path))
workflow = cwl.load_document(workflow_file_path)
adag = ADAG("dag-generated-from-cwl", auto=True)
rc = ReplicaCatalog()
tc = TransformationCatalog()
# process initial input file(s)
# TODO: need to account for the different fields for a file class
# TODO: log warning for the fields that we are skipping
workflow_input_strings = dict()
workflow_files = dict()
with open(args.input_file_spec_path, "r") as yaml_file:
input_file_specs = load(yaml_file, Loader=Loader)
for id, fields in input_file_specs.items():
if isinstance(fields, dict):
if fields["class"] == "File":
workflow_files[id] = id
rc.add_item(id, fields["path"], "local")
elif isinstance(fields, str):
workflow_input_strings[id] = fields
for step in workflow.steps:
cwl_command_line_tool = cwl.load_document(step.run) if isinstance(step.run, str) else step.run
for clt_output in cwl_command_line_tool.outputs:
# TODO: account for outputs that are not files
workflow_files[get_basename(step.id) + "/" + get_basename(clt_output.id)] = clt_output.outputBinding.glob
for step in workflow.steps:
# convert cwl:CommandLineTool -> pegasus:Executable
cwl_command_line_tool = cwl.load_document(step.run) if isinstance(step.run, str) else step.run
dax_executable = Executable(cwl_command_line_tool.baseCommand)
# add executable to transformation catalog
tc.add_item(cwl_command_line_tool.baseCommand, cwl_command_line_tool.baseCommand)
# create job with executable
dax_job = Job(dax_executable)
# get the inputs of this step
step_inputs = {get_basename(input.id) : get_basename(input.source) for input in step.in_}
print(step_inputs)
# add input uses to job
for input in cwl_command_line_tool.inputs:
if input.type == "File":
dax_job.uses(
File(workflow_files[step_inputs[get_basename(step.id) + "/" + get_basename(input.id)]]),
link=Link.INPUT
)
# add output uses to job
# TODO: ensure that these are of type File or File[]
for output in step.out:
output_file = File(workflow_files[get_basename(output)])
dax_job.uses(
output_file,
link=Link.OUTPUT,
transfer=True,
register=True
)
# add arguments to job
# TODO: place argument building up in a function
dax_job_args = cwl_command_line_tool.arguments if cwl_command_line_tool.arguments is not None else []
# process cwl inputBindings if they exist and build up job argument list
cwl_command_line_tool_inputs = sorted(cwl_command_line_tool.inputs,
key=lambda input : input.inputBinding.position if input.inputBinding.position is not None else 0 )
for input in cwl_command_line_tool_inputs:
# process args
if input.inputBinding is not None:
# TODO: account for inputBinding separation
if input.inputBinding.prefix is not None:
dax_job_args.append(input.inputBinding.prefix)
if input.type == "File":
dax_job_args.append(File(workflow_files[step_inputs[get_basename(step.id) + "/" + get_basename(input.id)]]))
# TODO: take into account string inputs that are outputs of other steps
# and not just workflow inputs
input_string_id = step_inputs[get_basename(step.id) + "/" + get_basename(input.id)]
arg_string = ""
if input.type == "string[]":
separator = " " if input.inputBinding.itemSeparator is None \
else input.inputBinding.itemSeparator
arg_string += separator.join(
workflow_input_strings[input_string_id]
)
elif input.type == "string":
arg_string += workflow_input_strings[input_string_id]
dax_job_args.append(arg_string)
dax_job.addArguments(*dax_job_args)
# add executable to DAG
if not adag.hasExecutable(dax_executable):
adag.addExecutable(dax_executable)
# add job to DAG
adag.addJob(dax_job)
# TODO: fix this, can't have forward slash in lfn, so replacing
# with "." for now to get this working
for filename, file in adag.files.items():
if "/" in filename:
file.name.replace("/", ".")
# TODO: fix this, can't have forward slash in lfn, so replacing
# with "." for now to get this working
for jobid, job in adag.jobs.items():
for used in job.used:
if "/" in used.name:
used.name = used.name.replace("/", ".")
for arg in job.arguments:
if isinstance(arg, File):
if "/" in arg.name:
arg.name = arg.name.replace("/", ".")
rc.write_catalog("rc.txt")
tc.write_catalog("tc.txt")
with open(args.output_file_path, "w") as f:
adag.writeXML(f)
def main():
args = parse_args()
workflow_file_path = args.cwl_workflow_file_path
workflow_file_dir = os.path.dirname(workflow_file_path)
workflow = cwl.load_document(workflow_file_path)
adag = ADAG("from-cwl-workflow", auto=True)
for step in workflow.steps:
# EXECUTABLE
'''
- step.run points to a cwl file with a CommandLineTool class.
- CommandLineTool.baseCommand must either be an absolute path
to some executable OR the executable name, in which case it
must be added to the run environment's PATH
- in this case, I am assuming absolute paths and will just add it
as a PFN to the Executable
'''
# this step's run cwl document
parameter_reference = cwl.load_document(step.run)
executable = Executable(parameter_reference.id)
executable.addPFN(
PFN(parameter_reference.baseCommand, "what to do about 'site'???"))
if not adag.hasExecutable(executable):
adag.addExecutable(executable)
# INPUT FILES
input_files = set()
for input_file in step.in_:
if isinstance(input_file.source, list):
input_files |= set(
map(lambda filename: File(filename), input_file.source))
# should be a string in this case, just being careful for now
elif isinstance(input_file.source, str):
input_files.add(File(input_file.source))
else:
raise Exception(
"didn't get a string from a step's input file field")
for input_file in input_files:
if not adag.hasFile(input_file.name):
adag.addFile(input_file)
# OUTPUT FILES
output_files = set()
for output_file in step.out:
# seems like this is always a list of filenames
if isinstance(output_file, str):
output_files.add(File(output_file))
else:
raise Exception(
"didn't get a string from a step's output file field")
for output_file in output_files:
if not adag.hasFile(output_file.name):
adag.addFile(output_file)
# JOB
job = Job(executable)
for input_file in input_files:
job.uses(input_file, link=Link.INPUT)
for output_file in output_files:
job.uses(output_file, link=Link.OUTPUT)
adag.addJob(job)
'''
What about the notion of arguments? In CWL, a CommandLineTool has an arguments field but,
according to the docs, this is meant for command line bindings which are not directly
associated with input parameters
'''
# ADD PFNs for initial input files
'''
Initial input files are specified in a separate YAML file according to the CWL docs.
For each file in the separate YAML file, we need to get the PFNs for those files if
they exist and add them to the File objects in the Pegasus adag object.
'''
input_file_spec_path = args.input_file_spec_path
with open(input_file_spec_path, "r") as yaml_file:
input_file_specs = load(yaml_file, Loader=Loader)
for filename, properties in input_file_specs.items():
id = "#" + filename
if properties["class"] == "File":
for file_ in input_files:
if file_.name.endswith(id):
file_.addPFN(
PFN(properties["path"],
"what to do about this site??"))
break
with open("2cwl-to-dax-conversion-workflow.xml", "w") as f:
adag.writeXML(f)
def test_traverse_workflow(self):
loaded = parser.load_document(str(TEST_CWL.resolve()))
traverse_workflow(loaded)
