def _create_and_associate_reana_user(sender,
token=None,
response=None,
account_info=None):
try:
user_email = account_info["user"]["email"]
user_fullname = account_info["user"]["profile"]["full_name"]
username = account_info["user"]["profile"]["username"]
search_criteria = dict()
search_criteria["email"] = user_email
users = Session.query(User).filter_by(**search_criteria).all()
if users:
user = users[0]
else:
user_parameters = dict(email=user_email,
full_name=user_fullname,
username=username)
user = User(**user_parameters)
Session.add(user)
Session.commit()
except (InvalidRequestError, IntegrityError):
Session.rollback()
raise ValueError("Could not create user, "
"possible constraint violation")
except Exception:
raise ValueError("Could not create user")
return user
def _update_job_cache(msg):
"""Update caching information for finished job."""
cached_job = Session.query(JobCache).filter_by(
job_id=msg['caching_info'].get('job_id')).first()
input_files = []
if cached_job:
file_access_times = calculate_file_access_time(
msg['caching_info'].get('workflow_workspace'))
for filename in cached_job.access_times:
if filename in file_access_times:
input_files.append(filename)
else:
return
cmd = msg['caching_info']['job_spec']['cmd']
# removes cd to workspace, to be refactored
clean_cmd = ';'.join(cmd.split(';')[1:])
msg['caching_info']['job_spec']['cmd'] = clean_cmd
if 'workflow_workspace' in msg['caching_info']['job_spec']:
del msg['caching_info']['job_spec']['workflow_workspace']
input_hash = calculate_job_input_hash(msg['caching_info']['job_spec'],
msg['caching_info']['workflow_json'])
workspace_hash = calculate_hash_of_dir(
msg['caching_info'].get('workflow_workspace'), input_files)
if workspace_hash == -1:
return
cached_job.parameters = input_hash
cached_job.result_path = msg['caching_info'].get('result_path')
cached_job.workspace_hash = workspace_hash
Session.add(cached_job)
def users_create_default(email, password, id_):
"""Create default user.
This user has the administrator role
and can retrieve other user information as well as create
new users.
"""
reana_user_characteristics = {
"id_": id_,
"email": email,
}
try:
user = User.query.filter_by(**reana_user_characteristics).first()
if not user:
reana_user_characteristics["access_token"] = secrets.token_urlsafe(
16)
user = User(**reana_user_characteristics)
create_user_workspace(user.get_user_workspace())
Session.add(user)
Session.commit()
# create invenio user, passing `confirmed_at` to mark it as confirmed
register_user(email=email,
password=password,
confirmed_at=datetime.datetime.now())
click.echo(reana_user_characteristics["access_token"])
except Exception as e:
click.echo("Something went wrong: {0}".format(e))
sys.exit(1)
def _update_job_cache(msg):
"""Update caching information for finished job."""
cached_job = (Session.query(JobCache).filter_by(
job_id=msg["caching_info"].get("job_id")).first())
input_files = []
if cached_job:
file_access_times = calculate_file_access_time(
msg["caching_info"].get("workflow_workspace"))
for filename in cached_job.access_times:
if filename in file_access_times:
input_files.append(filename)
else:
return
cmd = msg["caching_info"]["job_spec"]["cmd"]
# removes cd to workspace, to be refactored
clean_cmd = ";".join(cmd.split(";")[1:])
msg["caching_info"]["job_spec"]["cmd"] = clean_cmd
if "workflow_workspace" in msg["caching_info"]["job_spec"]:
del msg["caching_info"]["job_spec"]["workflow_workspace"]
input_hash = calculate_job_input_hash(msg["caching_info"]["job_spec"],
msg["caching_info"]["workflow_json"])
workspace_hash = calculate_hash_of_dir(
msg["caching_info"].get("workflow_workspace"), input_files)
if workspace_hash == -1:
return
cached_job.parameters = input_hash
cached_job.result_path = msg["caching_info"].get("result_path")
cached_job.workspace_hash = workspace_hash
Session.add(cached_job)
def _create_and_associate_reana_user(sender, token=None,
response=None, account_info=None):
try:
user_email = account_info['user']['email']
user_fullname = account_info['user']['profile']['full_name']
username = account_info['user']['profile']['username']
search_criteria = dict()
search_criteria['email'] = user_email
users = Session.query(User).filter_by(**search_criteria).all()
if users:
user = users[0]
else:
user_access_token = secrets.token_urlsafe(16)
user_parameters = dict(access_token=user_access_token)
user_parameters['email'] = user_email
user_parameters['full_name'] = user_fullname
user_parameters['username'] = username
user = User(**user_parameters)
Session.add(user)
Session.commit()
except (InvalidRequestError, IntegrityError):
Session.rollback()
raise ValueError('Could not create user, '
'possible constraint violation')
except Exception:
raise ValueError('Could not create user')
return user
def _update_run_progress(workflow_uuid, msg):
"""Register succeeded Jobs to DB."""
workflow = Session.query(Workflow).filter_by(id_=workflow_uuid).\
one_or_none()
cached_jobs = None
job_progress = workflow.job_progress
if "cached" in msg['progress']:
cached_jobs = msg['progress']['cached']
for status in PROGRESS_STATUSES:
if status in msg['progress']:
previous_status = workflow.job_progress.get(status)
previous_total = 0
if previous_status:
previous_total = previous_status.get('total') or 0
if status == 'total':
if previous_total > 0:
continue
else:
job_progress['total'] = \
msg['progress']['total']
else:
if previous_status:
new_job_ids = set(previous_status.get('job_ids') or
set()) | \
set(msg['progress'][status]['job_ids'])
else:
new_job_ids = set(msg['progress'][status]['job_ids'])
job_progress[status] = {
'total': len(new_job_ids),
'job_ids': list(new_job_ids)
}
workflow.job_progress = job_progress
flag_modified(workflow, 'job_progress')
Session.add(workflow)
def _update_run_progress(workflow_uuid, msg):
"""Register succeeded Jobs to DB."""
workflow = Session.query(Workflow).filter_by(id_=workflow_uuid).one_or_none()
cached_jobs = None
job_progress = workflow.job_progress
if "cached" in msg["progress"]:
cached_jobs = msg["progress"]["cached"]
for status in PROGRESS_STATUSES:
if status in msg["progress"]:
previous_status = workflow.job_progress.get(status)
previous_total = 0
if previous_status:
previous_total = previous_status.get("total") or 0
if status == "total":
if previous_total > 0:
continue
else:
job_progress["total"] = msg["progress"]["total"]
else:
if previous_status:
new_job_ids = set(previous_status.get("job_ids") or set()) | set(
msg["progress"][status]["job_ids"]
)
else:
new_job_ids = set(msg["progress"][status]["job_ids"])
job_progress[status] = {
"total": len(new_job_ids),
"job_ids": list(new_job_ids),
}
workflow.job_progress = job_progress
flag_modified(workflow, "job_progress")
Session.add(workflow)
def cache_job(self):
"""Cache a job."""
workflow = Session.query(Workflow).filter_by(
id_=self.workflow_uuid).one_or_none()
access_times = calculate_file_access_time(workflow.workspace_path)
prepared_job_cache = JobCache()
prepared_job_cache.job_id = self.job_id
prepared_job_cache.access_times = access_times
Session.add(prepared_job_cache)
Session.commit()
def stop_workflow(workflow):
"""Stop a given workflow."""
if workflow.status == RunStatus.running:
kwrm = KubernetesWorkflowRunManager(workflow)
kwrm.stop_batch_workflow_run()
workflow.status = RunStatus.stopped
Session.add(workflow)
Session.commit()
else:
message = ("Workflow {id_} is not running.").format(id_=workflow.id_)
raise REANAWorkflowControllerError(message)
def set_quota_limit(ctx, admin_access_token, emails, resource_name, limit):
"""Set quota limits to the given users per resource."""
try:
for email in emails:
error_msg = None
user = _get_user_by_criteria(None, email)
resource = Resource.query.filter_by(
name=resource_name).one_or_none()
if not user:
error_msg = f"ERROR: Provided user {email} does not exist."
elif not resource:
error_msg = (
"ERROR: Provided resource name does not exist. Available "
f"resources are {[resource.name for resource in Resource.query]}."
)
if error_msg:
click.secho(
error_msg,
fg="red",
err=True,
)
sys.exit(1)
user_resource = UserResource.query.filter_by(
user=user, resource=resource).one_or_none()
if user_resource:
user_resource.quota_limit = limit
Session.add(user_resource)
else:
# Create user resource in case there isn't one. Useful for old users.
user.resources.append(
UserResource(
user_id=user.id_,
resource_id=resource.id_,
quota_limit=limit,
quota_used=0,
))
Session.commit()
click.secho(
f"Quota limit {limit} for '{resource.name}' successfully set to users {emails}.",
fg="green",
)
except Exception as e:
logging.debug(traceback.format_exc())
logging.debug(str(e))
click.echo(
click.style("Quota could not be set: \n{}".format(str(e)),
fg="red"),
err=True,
)
def store_workflow_disk_quota(workflow, bytes_to_sum=None):
"""
Update or create disk workflow resource.
:param workflow: Workflow whose disk resource usage must be calculated.
:param bytes_to_sum: Amount of bytes to sum to workflow disk quota,
if None, `du` will be used to recalculate it.
:type workflow: reana_db.models.Workflow
:type bytes_to_sum: int
"""
from reana_commons.errors import REANAMissingWorkspaceError
from reana_commons.utils import get_disk_usage
from reana_db.database import Session
from reana_db.models import ResourceType, WorkflowResource
def _get_disk_usage_or_zero(workflow):
"""Get disk usage for a workflow if the workspace exists, zero if not."""
try:
disk_bytes = get_disk_usage(workflow.workspace_path, summarize=True)
return int(disk_bytes[0]["size"]["raw"])
except REANAMissingWorkspaceError:
return 0
disk_resource = get_default_quota_resource(ResourceType.disk.name)
workflow_resource = (
Session.query(WorkflowResource)
.filter_by(workflow_id=workflow.id_, resource_id=disk_resource.id_)
.one_or_none()
)
if workflow_resource:
if bytes_to_sum:
workflow_resource.quota_used += bytes_to_sum
else:
workflow_resource.quota_used = _get_disk_usage_or_zero(workflow)
Session.commit()
elif inspect(workflow).persistent:
workflow_resource = WorkflowResource(
workflow_id=workflow.id_,
resource_id=disk_resource.id_,
quota_used=_get_disk_usage_or_zero(workflow),
)
Session.add(workflow_resource)
Session.commit()
return workflow_resource
def _import_users(admin_access_token, users_csv_file):
"""Import list of users to database.
:param admin_access_token: Admin access token.
:type admin_access_token: str
:param users_csv_file: CSV file object containing a list of users.
:type users_csv_file: _io.TextIOWrapper
"""
admin = User.query.filter_by(id_=ADMIN_USER_ID).one_or_none()
if admin_access_token != admin.access_token:
raise ValueError('Admin access token invalid.')
csv_reader = csv.reader(users_csv_file)
for row in csv_reader:
user = User(id_=row[0], email=row[1], access_token=row[2])
Session.add(user)
Session.commit()
Session.remove()
def create_job_in_db(self, backend_job_id):
"""Create job in db."""
job_db_entry = JobTable(backend_job_id=backend_job_id,
workflow_uuid=self.workflow_uuid,
status=JobStatus.created.name,
compute_backend=self.compute_backend,
cvmfs_mounts=self.cvmfs_mounts or '',
shared_file_system=self.shared_file_system
or False,
docker_img=self.docker_img,
cmd=json.dumps(self.cmd),
env_vars=json.dumps(self.env_vars),
deleted=False,
job_name=self.job_name,
prettified_cmd=self.prettified_cmd)
Session.add(job_db_entry)
Session.commit()
self.job_id = str(job_db_entry.id_)
def _create_user(email, user_access_token, admin_access_token):
"""Create user with provided credentials."""
try:
admin = Session.query(User).filter_by(id_=ADMIN_USER_ID).one_or_none()
if admin_access_token != admin.access_token:
raise ValueError('Admin access token invalid.')
if not user_access_token:
user_access_token = secrets.token_urlsafe(16)
user_parameters = dict(access_token=user_access_token)
user_parameters['email'] = email
user = User(**user_parameters)
Session.add(user)
Session.commit()
except (InvalidRequestError, IntegrityError) as e:
Session.rollback()
raise ValueError('Could not create user, '
'possible constraint violation')
return user
def _create_and_associate_reana_user(email, fullname, username):
try:
search_criteria = dict()
search_criteria["email"] = email
users = Session.query(User).filter_by(**search_criteria).all()
if users:
user = users[0]
else:
user_parameters = dict(email=email,
full_name=fullname,
username=username)
user = User(**user_parameters)
Session.add(user)
Session.commit()
except (InvalidRequestError, IntegrityError):
Session.rollback()
raise ValueError(
"Could not create user, possible constraint violation")
except Exception:
raise ValueError("Could not create user")
return user
def update_workflow_cpu_quota(workflow) -> int:
"""Update workflow CPU quota based on started and finished/stopped times.
:return: Workflow running time in milliseconds if workflow has terminated, else 0.
"""
from reana_db.database import Session
from reana_db.models import (
ResourceType,
UserResource,
WorkflowResource,
)
terminated_at = workflow.run_finished_at or workflow.run_stopped_at
if workflow.run_started_at and terminated_at:
cpu_time = terminated_at - workflow.run_started_at
cpu_milliseconds = int(cpu_time.total_seconds() * 1000)
cpu_resource = get_default_quota_resource(ResourceType.cpu.name)
# WorkflowResource might exist already if the cluster
# follows a combined termination + periodic policy (eg. created
# by the status listener, revisited by the cronjob)
workflow_resource = WorkflowResource.query.filter_by(
workflow_id=workflow.id_,
resource_id=cpu_resource.id_).one_or_none()
if workflow_resource:
workflow_resource.quota_used = cpu_milliseconds
else:
workflow_resource = WorkflowResource(
workflow_id=workflow.id_,
resource_id=cpu_resource.id_,
quota_used=cpu_milliseconds,
)
user_resource_quota = UserResource.query.filter_by(
user_id=workflow.owner_id,
resource_id=cpu_resource.id_).first()
user_resource_quota.quota_used += cpu_milliseconds
Session.add(workflow_resource)
Session.commit()
return cpu_milliseconds
return 0
def store_workflow_disk_quota(workflow, bytes_to_sum: Optional[int] = None):
"""
Update or create disk workflow resource.
:param workflow: Workflow whose disk resource usage must be calculated.
:param bytes_to_sum: Amount of bytes to sum to workflow disk quota,
if None, `du` will be used to recalculate it.
:type workflow: reana_db.models.Workflow
:type bytes_to_sum: int
"""
from reana_db.database import Session
from reana_db.models import ResourceType, WorkflowResource
if (ResourceType.disk.name not in WORKFLOW_TERMINATION_QUOTA_UPDATE_POLICY
and not PERIODIC_RESOURCE_QUOTA_UPDATE_POLICY):
return
disk_resource = get_default_quota_resource(ResourceType.disk.name)
workflow_resource = (Session.query(WorkflowResource).filter_by(
workflow_id=workflow.id_, resource_id=disk_resource.id_).one_or_none())
if workflow_resource:
if bytes_to_sum:
workflow_resource.quota_used += bytes_to_sum
else:
workflow_resource.quota_used = get_disk_usage_or_zero(
workflow.workspace_path)
Session.commit()
elif inspect(workflow).persistent:
workflow_resource = WorkflowResource(
workflow_id=workflow.id_,
resource_id=disk_resource.id_,
quota_used=get_disk_usage_or_zero(workflow.workspace_path),
)
Session.add(workflow_resource)
Session.commit()
return workflow_resource
def clone_workflow(workflow, reana_spec, restart_type):
"""Create a copy of workflow in DB for restarting."""
try:
cloned_workflow = Workflow(
id_=str(uuid4()),
name=workflow.name,
owner_id=workflow.owner_id,
reana_specification=reana_spec or workflow.reana_specification,
type_=restart_type or workflow.type_,
logs="",
workspace_path=workflow.workspace_path,
restart=True,
run_number=workflow.run_number,
)
Session.add(cloned_workflow)
Session.object_session(cloned_workflow).commit()
return cloned_workflow
except SQLAlchemyError as e:
message = "Database connection failed, please retry."
logging.error(
f"Error while creating {cloned_workflow.id_}: {message}\n{e}",
exc_info=True)
def users_create_default(email, id_):
"""Create default user.
This user has the administrator role
and can retrieve other user information as well as create
new users.
"""
user_characteristics = {"id_": id_,
"email": email,
}
try:
user = User.query.filter_by(**user_characteristics).first()
if not user:
user_characteristics['access_token'] = secrets.token_urlsafe()
user = User(**user_characteristics)
create_user_workspace(user.get_user_workspace())
Session.add(user)
Session.commit()
click.echo('Created 1st user with access_token: {}'.
format(user_characteristics['access_token']))
except Exception as e:
click.echo('Something went wrong: {0}'.format(e))
sys.exit(1)
def set_quota_limit(ctx, emails, resource_type, resource_name, limit):
"""Set quota limits to the given users per resource."""
try:
for email in emails:
error_msg = None
resource = None
user = _get_user_by_criteria(None, email)
if resource_name:
resource = Resource.query.filter_by(
name=resource_name).one_or_none()
elif resource_type in ResourceType._member_names_:
resources = Resource.query.filter_by(type_=resource_type).all()
if resources and len(resources) > 1:
click.secho(
f"ERROR: There are more than one `{resource_type}` resource. "
"Please provide resource name with `--resource-name` option to specify the exact resource.",
fg="red",
err=True,
)
sys.exit(1)
else:
resource = resources[0]
if not user:
error_msg = f"ERROR: Provided user {email} does not exist."
elif not resource:
resources = [
f"{resource.type_.name} ({resource.name})"
for resource in Resource.query
]
error_msg = (
f"ERROR: Provided resource `{resource_name or resource_type}` does not exist. "
if resource_name or resource_type else
"ERROR: Please provide a resource. ")
error_msg += f"Available resources are: {', '.join(resources)}."
if error_msg:
click.secho(
error_msg,
fg="red",
err=True,
)
sys.exit(1)
user_resource = UserResource.query.filter_by(
user=user, resource=resource).one_or_none()
if user_resource:
user_resource.quota_limit = limit
Session.add(user_resource)
else:
# Create user resource in case there isn't one. Useful for old users.
user.resources.append(
UserResource(
user_id=user.id_,
resource_id=resource.id_,
quota_limit=limit,
quota_used=0,
))
Session.commit()
click.secho(
f"Quota limit {limit} for '{resource.type_.name} ({resource.name})' successfully set to users {emails}.",
fg="green",
)
except Exception as e:
logging.debug(traceback.format_exc())
logging.debug(str(e))
click.echo(
click.style("Quota could not be set: \n{}".format(str(e)),
fg="red"),
err=True,
)
def create_workflow(): # noqa
r"""Create workflow and its workspace.
---
post:
summary: Create workflow and its workspace.
description: >-
This resource expects all necessary data to represent a workflow so
it is stored in database and its workspace is created.
operationId: create_workflow
produces:
- application/json
parameters:
- name: user
in: query
description: Required. UUID of workflow owner.
required: true
type: string
- name: workflow
in: body
description: >-
JSON object including workflow parameters and workflow
specification in JSON format (`yadageschemas.load()` output)
with necessary data to instantiate a yadage workflow.
required: true
schema:
type: object
properties:
operational_options:
type: object
description: Operational options.
reana_specification:
type: object
description: >-
Workflow specification in JSON format.
workflow_name:
type: string
description: Workflow name. If empty name will be generated.
git_data:
type: object
description: >-
GitLab data.
required: [reana_specification,
workflow_name,
operational_options]
responses:
201:
description: >-
Request succeeded. The workflow has been created along
with its workspace
schema:
type: object
properties:
message:
type: string
workflow_id:
type: string
workflow_name:
type: string
examples:
application/json:
{
"message": "Workflow workspace has been created.",
"workflow_id": "cdcf48b1-c2f3-4693-8230-b066e088c6ac",
"workflow_name": "mytest-1"
}
400:
description: >-
Request failed. The incoming data specification seems malformed
404:
description: >-
Request failed. User does not exist.
examples:
application/json:
{
"message": "User 00000000-0000-0000-0000-000000000000 does not
exist"
}
"""
try:
user_uuid = request.args["user"]
user = User.query.filter(User.id_ == user_uuid).first()
if not user:
return (
jsonify({
"message":
"User with id:{} does not exist".format(user_uuid)
}),
404,
)
workflow_uuid = str(uuid4())
# Use name prefix user specified or use default name prefix
# Actual name is prefix + autoincremented run_number.
workflow_name = request.json.get("workflow_name", "")
if workflow_name == "":
workflow_name = DEFAULT_NAME_FOR_WORKFLOWS
else:
try:
workflow_name.encode("ascii")
except UnicodeEncodeError:
# `workflow_name` contains something else than just ASCII.
raise REANAWorkflowNameError(
"Workflow name {} is not valid.".format(workflow_name))
git_ref = ""
git_repo = ""
if "git_data" in request.json:
git_data = request.json["git_data"]
git_ref = git_data["git_commit_sha"]
git_repo = git_data["git_url"]
# add spec and params to DB as JSON
workflow = Workflow(
id_=workflow_uuid,
name=workflow_name,
owner_id=request.args["user"],
reana_specification=request.json["reana_specification"],
operational_options=request.json.get("operational_options", {}),
type_=request.json["reana_specification"]["workflow"]["type"],
logs="",
git_ref=git_ref,
git_repo=git_repo,
)
Session.add(workflow)
Session.object_session(workflow).commit()
if git_ref:
create_workflow_workspace(
workflow.workspace_path,
user_id=user.id_,
git_url=git_data["git_url"],
git_branch=git_data["git_branch"],
git_ref=git_ref,
)
else:
create_workflow_workspace(workflow.workspace_path)
return (
jsonify({
"message": "Workflow workspace created",
"workflow_id": workflow.id_,
"workflow_name": get_workflow_name(workflow),
}),
201,
)
except (REANAWorkflowNameError, KeyError) as e:
return jsonify({"message": str(e)}), 400
except Exception as e:
return jsonify({"message": str(e)}), 500
def create_job(): # noqa
r"""Create a new job.
---
post:
summary: Creates a new job.
description: >-
This resource is expecting JSON data with all the necessary information
of a new job.
operationId: create_job
consumes:
- application/json
produces:
- application/json
parameters:
- name: job
in: body
description: Information needed to instantiate a Job
required: true
schema:
$ref: '#/definitions/JobRequest'
responses:
201:
description: Request succeeded. The job has been launched.
schema:
type: object
properties:
job_id:
type: string
examples:
application/json:
{
"job_id": "cdcf48b1-c2f3-4693-8230-b066e088c6ac"
}
400:
description: >-
Request failed. The incoming data specification seems malformed.
500:
description: >-
Request failed. Internal controller error. The job could probably
not have been allocated.
"""
json_data = request.get_json()
if not json_data:
return jsonify({'message': 'Empty request'}), 400
# Validate and deserialize input
job_request, errors = job_request_schema.load(json_data)
if errors:
return jsonify(errors), 400
job_parameters = dict(
job_id=str(job_request['job_id']),
workflow_workspace=str(job_request['workflow_workspace']),
docker_img=job_request['docker_img'],
cmd=job_request['cmd'],
cvmfs_mounts=job_request['cvmfs_mounts'],
env_vars=job_request['env_vars'],
shared_file_system=job_request['shared_file_system'],
job_type=job_request.get('job_type'))
job_obj = k8s_instantiate_job(**job_parameters)
if job_obj:
job = copy.deepcopy(job_request)
job['status'] = 'started'
job['restart_count'] = 0
job['max_restart_count'] = 3
job['deleted'] = False
job['obj'] = job_obj
JOB_DB[str(job['job_id'])] = job
job_db_entry = JobTable(
id_=job['job_id'],
workflow_uuid=None,
# The workflow_uuid is populated by the workflow-controller
status=job['status'],
job_type=job_request.get('job_type'),
cvmfs_mounts=job_request['cvmfs_mounts'],
shared_file_system=job_request['shared_file_system'],
docker_img=job_request['docker_img'],
experiment=job_request['experiment'],
cmd=job_request['cmd'],
env_vars=json.dumps(job_request['env_vars']),
restart_count=job['restart_count'],
max_restart_count=job['max_restart_count'],
deleted=job['deleted'],
name=job_request['job_name'],
prettified_cmd=job_request['prettified_cmd'])
Session.add(job_db_entry)
Session.commit()
access_times = calculate_file_access_time(
json_data['workflow_workspace'])
prepared_job_cache = JobCache()
prepared_job_cache.job_id = job['job_id']
prepared_job_cache.access_times = access_times
Session.add(prepared_job_cache)
Session.commit()
return jsonify({'job_id': job['job_id']}), 201
else:
return jsonify({'job': 'Could not be allocated'}), 500
