def singularity_start(self):
"""Starts a singularity instance based on the image.
"""
env_vars = self.action.get('env', {})
for s in self.action.get('secrets', []):
env_vars.update({s: os.environ[s]})
for e, v in self.env.items():
env_vars.update({e: v})
env_vars.update({'HOME': os.environ['HOME']})
# sets the env variables
for k, v in env_vars.items():
sclient.setenv(k, v)
args = self.action.get('args', None)
runs = self.action.get('runs', None)
ecode = None
bind_list = [self.workspace, os.environ['HOME']]
if runs:
info = '{}[{}] singularity exec {} {}'.format(
self.msg_prefix, self.action['name'], self.image_name, runs)
commands = runs
start = sclient.execute
else:
info = '{}[{}] singularity run {} {}'.format(
self.msg_prefix, self.action['name'], self.image_name, args)
commands = args
start = sclient.run
log.info(info)
if not self.dry_run:
output = start(self.image_name,
commands,
contain=True,
bind=bind_list,
stream=True)
try:
for line in output:
log.action_info(line)
ecode = 0
except subprocess.CalledProcessError as ex:
ecode = ex.returncode
else:
ecode = 0
return ecode
def singularity_start(self, image):
"""Starts a singularity instance based on the image.
"""
env_vars = self.action.get('env', {})
for s in self.action.get('secrets', []):
env_vars.update({s: os.environ[s]})
for e, v in self.env.items():
env_vars.update({e: v})
env_vars.update({'HOME': os.environ['HOME']})
# sets the env variables
for k, v in env_vars.items():
Client.setenv(k, v)
e = Client.run(image=self.generate_image_name(image),
args=' '.join(self.action.get('args', '')),
return_result=True)
return e['return_code']