def create_job(self, message_id, resource):
job = eva.job.Job(message_id, self.logger)
job.input_filename = eva.url_to_filename(resource.url)
job.template_variables = {
'datainstance': resource,
'input_filename': os.path.basename(job.input_filename),
'reference_time': resource.data.productinstance.reference_time,
}
# Render the Jinja2 templates and report any errors
try:
job.fill_file_template = self.fill_file_template.render(**job.template_variables)
job.output_filename = self.output_filename.render(**job.template_variables)
except Exception as e:
raise eva.exceptions.InvalidConfigurationException(e)
# Generate Fimex job
command = ['#!/bin/bash']
command += ['#$ -S /bin/bash']
command += ["[ ! -f '%(output.fillFile)s' ] && cp -v '%(template)s' '%(output.fillFile)s'"]
command += ["time fimex --input.file '%(input.file)s' --output.fillFile '%(output.fillFile)s'"]
job.command = '\n'.join(command) + '\n'
job.command = job.command % {
'input.file': job.input_filename,
'output.fillFile': job.output_filename,
'template': job.fill_file_template,
}
return job
def create_job(self, message_id, resource):
"""!
@brief Generate a Job which converts GRIB to NetCDF using the
eva-adapter-support library.
"""
job = eva.job.Job(message_id, self.logger)
reftime = resource.data.productinstance.reference_time
job.data = {
'reftime': reftime,
'version': resource.data.productinstance.version,
'time_period_begin': resource.data.time_period_begin,
'time_period_end': resource.data.time_period_end,
'filename': reftime.strftime(self.env['EVA_OUTPUT_FILENAME_PATTERN']),
}
job.command = """#!/bin/bash
#$ -S /bin/bash
{lib_fg2nc}/grib2nc \
--input "{gribfile}" \
--output "{destfile}" \
--reference_time "{reftime}" \
--template_directory "{templatedir}"
""".format(
gribfile=eva.url_to_filename(resource.url),
reftime=reftime.strftime("%Y-%m-%dT%H:%M:%S%z"),
lib_fg2nc=self.env['EVA_FG2NC_LIB'],
templatedir=self.env['EVA_FG2NC_TEMPLATEDIR'],
destfile=job.data['filename'],
)
return job
def create_job(self, message_id, resource):
"""!
@brief Return a Job object that will check the file's md5sum against a
stored hash in a corresponding file.
"""
job = eva.job.Job(message_id, self.logger)
job.dataset_filename = eva.url_to_filename(resource.url)
job.md5_filename = job.dataset_filename + '.md5'
job.logger.info("Starting verification of file '%s' against md5sum file '%s'.", job.dataset_filename, job.md5_filename)
lines = [
'#!/bin/bash',
'#$ -S /bin/bash', # for GridEngine compatibility
'set -e',
'cat %(md5_filename)s', # for hash detection in generate_resources()
'printf "%%s %(dataset_filename)s\\n" $(cat %(md5_filename)s) | md5sum --check --status --strict -',
'rm -fv %(md5_filename)s >&2',
]
values = {
'dataset_filename': job.dataset_filename,
'md5_filename': job.md5_filename,
}
job.command = "\n".join(lines) + "\n"
job.command = job.command % values
return job
def create_job(self, message_id, resource):
reference_time = resource.data.productinstance.reference_time
# Skip processing if the destination data set already exists. This
# disables re-runs and duplicates unless the DataInstance objects are
# marked as deleted.
if self.post_to_productstatus():
qs = self.api.datainstance.objects.filter(data__productinstance__product=self.output_product,
data__productinstance__reference_time=reference_time,
servicebackend=self.output_service_backend,
deleted=False)
if qs.count() != 0:
self.logger.warning("Destination data set already exists in Productstatus, skipping processing.")
return
job = eva.job.Job(message_id, self.logger)
job.output_directory_template = self.template.from_string(
self.env['EVA_CWF_OUTPUT_DIRECTORY_PATTERN']
)
job.output_directory = job.output_directory_template.render(
reference_time=reference_time,
domain=self.env['EVA_CWF_DOMAIN'],
)
cmd = []
cmd += ['#/bin/bash']
cmd += ['#$ -S /bin/bash']
if self.env['EVA_CWF_PARALLEL'] > 1:
cmd += ['#$ -pe mpi-fn %d' % self.env['EVA_CWF_PARALLEL']]
for module in self.env['EVA_CWF_MODULES']:
cmd += ['module load %s' % module]
if self.env['EVA_CWF_PARALLEL'] > 1:
cmd += ['export ECDIS_PARALLEL=1']
else:
cmd += ['export ECDIS_PARALLEL=0']
cmd += ['export DATE=%s' % reference_time.strftime('%Y%m%d')]
cmd += ['export DOMAIN=%s' % self.env['EVA_CWF_DOMAIN']]
cmd += ['export ECDIS=%s' % eva.url_to_filename(resource.url)]
cmd += ['export ECDIS_TMPDIR=%s' % os.path.join(job.output_directory, 'work')]
cmd += ['export NDAYS_MAX=%d' % self.env['EVA_CWF_OUTPUT_DAYS']]
cmd += ['export NREC_DAY_MIN=%d' % self.env['EVA_CWF_INPUT_MIN_DAYS']]
cmd += ['export OUTDIR=%s' % job.output_directory]
cmd += ['export UTC=%s' % reference_time.strftime('%H')]
cmd += ['%s >&2' % self.env['EVA_CWF_SCRIPT_PATH']]
# Run output recognition
datestamp_glob = reference_time.strftime('*%Y%m%d_*.*')
cmd += ['for file in %s; do' % os.path.join(job.output_directory, datestamp_glob)]
cmd += [' if [[ $file =~ \.nc$ ]]; then']
cmd += [' echo -n "$file "']
cmd += [" ncdump -l 1000 -t -v time $file | grep -E '^ ?time\s*='"]
cmd += [' elif [[ $file =~ \.nml$ ]]; then']
cmd += [' echo "$file"']
cmd += [' fi']
cmd += ['done']
job.command = "\n".join(cmd) + "\n"
return job
def create_job(self, message_id, resource):
"""!
@brief Create a Job object that will copy a file to another
destination, and optionally post the result to Productstatus.
"""
job = eva.job.Job(message_id, self.logger)
job.base_filename = os.path.basename(resource.url)
job.input_file = eva.url_to_filename(resource.url)
job.output_url = os.path.join(self.env['EVA_OUTPUT_BASE_URL'], job.base_filename)
job.output_file = eva.url_to_filename(job.output_url)
if self.post_to_productstatus():
job.service_backend = self.api.servicebackend[self.env['EVA_OUTPUT_SERVICE_BACKEND']]
# check if the destination file already exists
qs = self.api.datainstance.objects.filter(url=job.output_url,
servicebackend=job.service_backend,
data=resource.data,
format=resource.format)
if qs.count() != 0:
job.logger.warning("Destination URL '%s' already exists in Productstatus; this file has already been distributed.", job.output_url)
return
lines = [
"#!/bin/bash",
"#$ -S /bin/bash", # for GridEngine compatibility
"`which lfs` cp --verbose %(source)s %(destination)s"
]
values = {
'source': job.input_file,
'destination': job.output_file,
}
job.command = "\n".join(lines) + "\n"
job.command = job.command % values
return job
def create_job(self, message_id, resource):
"""!
@brief Download a file, and optionally post the result to Productstatus.
"""
filename = eva.url_to_filename(resource.url)
reference_time = resource.data.productinstance.reference_time
template_variables = {
'reference_time': reference_time,
'datainstance': resource,
}
job = eva.job.Job(message_id, self.logger)
# Render the Jinja2 templates and report any errors
try:
job.gridpp_params = {
'input.file': filename,
'input.options': self.in_opts.render(**template_variables),
'output.file': self.output_filename.render(**template_variables),
'output.options': self.out_opts.render(**template_variables),
'generic.options': self.generic_opts.render(**template_variables),
}
except Exception as e:
raise eva.exceptions.InvalidConfigurationException(e)
command = ["#!/bin/bash"]
command += ["#$ -S /bin/bash"]
command += ["set -e"]
for module in self.env['EVA_GRIDPP_MODULES']:
command += ["module load %s" % module]
command += ["cp -v %(input.file)s %(output.file)s" % job.gridpp_params]
command += ["export OMP_NUM_THREADS=%d" % self.env['EVA_GRIDPP_THREADS']]
command += ["gridpp %(input.file)s %(input.options)s %(output.file)s %(output.options)s %(generic.options)s" % job.gridpp_params]
job.command = '\n'.join(command) + '\n'
return job
def create_job(self, message_id, resource):
# Don't write any data to Productstatus.
self.post_to_productstatus = False
# Create a string template based on the EVA_OUTPUT_FILENAME_PATTERN
# environment variable. This allows us to do string substitution and
# filtering later on.
output_filename_template = self.template.from_string(
self.env['EVA_OUTPUT_FILENAME_PATTERN']
)
# Run string substitution and filtering. The template language is
# Jinja2, and available filters can be found in the module
# `eva.template`.
#
# E.g.
# {{reference_time|timedelta(hours=6)|iso8601_compact}}
# when reference_time is April 14th, 2016, 06:00:00 UTC, will yield
# 20160414T120000Z
output_filename = output_filename_template.render(
reference_time=resource.data.productinstance.reference_time,
)
# Instantiate a Job object, required if you are going to run an
# external process, e.g. on GridEngine.
job = eva.job.Job(message_id, self.logger)
# The Job object contains a logger object, which you can use to print
# status or debugging information. DO NOT USE "print", the output will
# not be recorded in the production environment.
#
# Please read the Python logging tutorial:
# https://docs.python.org/2/howto/logging.html#logging-basic-tutorial
job.logger.info('Job resource: %s', resource)
# Here, you write your processing script. There are no environment
# variables; you must insert your variables using string interpolation.
job.command = """
#!/bin/bash
#-S /bin/bash
echo convert_my_data \
--input '%(input)s' \
--output '%(output)s' \
--date '%(date)s' \
--backend '%(backend)s'
"""
# Interpolate variables into the processing script.
job.command = job.command % {
# The input filename always comes from Productstatus, and is always
# an URL. Use `url_to_filename` to strip away the protocol.
'input': eva.url_to_filename(resource.url),
# The output filename has already been put into a variable, now we
# just supply it to the string interpolation hash.
'output': output_filename,
# Our script requires the date and reference hour of the product
# instance. This information is available from Productstatus. To
# access it, we traverse the objects until we find the required
# DateTime object, and then format it using strftime.
'date': resource.data.productinstance.reference_time.strftime('%Y-%m-%dT%H'),
# For example purposes, we include more metadata information here.
# In this example, we include the name of our storage backend.
'backend': resource.servicebackend.name,
}
# You may assign variables to the Job object that can be accessed from finish_job().
job.output_filename = output_filename
# Our job is ready for execution. This command will run the job on an
# Executor object, defined in the environment variable EVA_EXECUTOR. To
# run jobs on GridEngine, use EVA_EXECUTOR=eva.executor.GridEngineExecutor.
return job
def test_url_to_filename_wrong_protocol(self):
with self.assertRaises(RuntimeError):
eva.url_to_filename('https://example.com/foo.nc')
def test_url_to_filename(self):
url = 'file:///foo/bar/baz.nc'
filename = '/foo/bar/baz.nc'
self.assertEqual(eva.url_to_filename(url), filename)