def put(self, id, **kwargs):
"""Update function.
- Function can not being used by job.
- Function can not being executed.
- (TODO)Function status should be changed so no execution will create
when function is updating.
"""
values = {}
try:
for key in UPDATE_ALLOWED:
if kwargs.get(key) is not None:
if key == "code":
kwargs[key] = json.loads(kwargs[key])
values.update({key: kwargs[key]})
except Exception as e:
raise exc.InputException("Invalid input, %s" % str(e))
LOG.info('Update function %s, params: %s', id, values)
ctx = context.get_ctx()
if values.get('timeout'):
common.validate_int_in_range('timeout', values['timeout'],
CONF.resource_limits.min_timeout,
CONF.resource_limits.max_timeout)
db_update_only = set(['name', 'description', 'timeout'])
if set(values.keys()).issubset(db_update_only):
func_db = db_api.update_function(id, values)
else:
source = values.get('code', {}).get('source')
md5sum = values.get('code', {}).get('md5sum')
cpu = values.get('cpu')
memory_size = values.get('memory_size')
# Check cpu and memory_size values when updating.
if cpu is not None:
common.validate_int_in_range('cpu', values['cpu'],
CONF.resource_limits.min_cpu,
CONF.resource_limits.max_cpu)
if memory_size is not None:
common.validate_int_in_range('memory', values['memory_size'],
CONF.resource_limits.min_memory,
CONF.resource_limits.max_memory)
with db_api.transaction():
pre_func = db_api.get_function(id)
if len(pre_func.jobs) > 0:
raise exc.NotAllowedException(
'The function is still associated with running job(s).'
)
pre_source = pre_func.code['source']
pre_md5sum = pre_func.code.get('md5sum')
if source and source != pre_source:
raise exc.InputException(
"The function code type can not be changed.")
if pre_source == constants.IMAGE_FUNCTION:
raise exc.InputException(
"The image type function code can not be changed.")
# Package type function. 'code' and 'entry' make sense only if
# 'package' is provided
package_updated = False
if (pre_source == constants.PACKAGE_FUNCTION
and values.get('package') is not None):
if md5sum and md5sum == pre_md5sum:
raise exc.InputException(
"The function code checksum is not changed.")
# Update the package data.
data = values['package'].file.read()
package_updated, md5sum = self.storage_provider.store(
ctx.projectid, id, data, md5sum=md5sum)
values.setdefault('code', {}).update({
"md5sum": md5sum,
"source": pre_source
})
values.pop('package')
# Swift type function
if (pre_source == constants.SWIFT_FUNCTION
and "swift" in values.get('code', {})):
swift_info = values['code']["swift"]
if not (swift_info.get('container')
or swift_info.get('object')):
raise exc.InputException(
"Either container or object must be provided for "
"swift type function update.")
new_swift_info = pre_func.code['swift']
new_swift_info.update(swift_info)
self._check_swift(new_swift_info.get('container'),
new_swift_info.get('object'))
values['code'] = {
"source": pre_source,
"swift": new_swift_info
}
# Delete allocated resources in orchestrator and etcd.
self.engine_client.delete_function(id)
etcd_util.delete_function(id)
func_db = db_api.update_function(id, values)
# Delete the old function package if needed
if package_updated:
self.storage_provider.delete(ctx.projectid, id, pre_md5sum)
pecan.response.status = 200
return resources.Function.from_db_obj(func_db).to_dict()
def post(self, **kwargs):
# When using image to create function, runtime_id is not a required
# param.
if not POST_REQUIRED.issubset(set(kwargs.keys())):
raise exc.InputException(
'Required param is missing. Required: %s' % POST_REQUIRED)
LOG.info("Creating function, params: %s", kwargs)
values = {
'name':
kwargs.get('name'),
'description':
kwargs.get('description'),
'runtime_id':
kwargs.get('runtime_id'),
'code':
json.loads(kwargs['code']),
'entry':
kwargs.get('entry', 'main.main'),
'cpu':
kwargs.get('cpu', CONF.resource_limits.default_cpu),
'memory_size':
kwargs.get('memory_size', CONF.resource_limits.default_memory),
'timeout':
kwargs.get('timeout', CONF.resource_limits.default_timeout),
}
common.validate_int_in_range('timeout', values['timeout'],
CONF.resource_limits.min_timeout,
CONF.resource_limits.max_timeout)
common.validate_int_in_range('cpu', values['cpu'],
CONF.resource_limits.min_cpu,
CONF.resource_limits.max_cpu)
common.validate_int_in_range('memory', values['memory_size'],
CONF.resource_limits.min_memory,
CONF.resource_limits.max_memory)
source = values['code'].get('source')
if not source or source not in CODE_SOURCE:
raise exc.InputException(
'Invalid code source specified, available sources: %s' %
', '.join(CODE_SOURCE))
if source != constants.IMAGE_FUNCTION:
if not kwargs.get('runtime_id'):
raise exc.InputException('"runtime_id" must be specified.')
runtime = db_api.get_runtime(kwargs['runtime_id'])
if runtime.status != 'available':
raise exc.InputException('Runtime %s is not available.' %
kwargs['runtime_id'])
store = False
create_trust = True
if source == constants.PACKAGE_FUNCTION:
store = True
md5sum = values['code'].get('md5sum')
data = kwargs['package'].file.read()
elif source == constants.SWIFT_FUNCTION:
swift_info = values['code'].get('swift', {})
if not (swift_info.get('container') and swift_info.get('object')):
raise exc.InputException("Both container and object must be "
"provided for swift type function.")
self._check_swift(swift_info.get('container'),
swift_info.get('object'))
else:
create_trust = False
values['entry'] = None
if cfg.CONF.pecan.auth_enable and create_trust:
try:
values['trust_id'] = keystone_util.create_trust().id
LOG.debug('Trust %s created', values['trust_id'])
except Exception:
raise exc.TrustFailedException(
'Trust creation failed for function.')
# Create function and store the package data inside a db transaction so
# that the function won't be created if any error happened during
# package store.
with db_api.transaction():
func_db = db_api.create_function(values)
if store:
try:
ctx = context.get_ctx()
_, actual_md5 = self.storage_provider.store(ctx.projectid,
func_db.id,
data,
md5sum=md5sum)
values['code'].update({"md5sum": actual_md5})
func_db = db_api.update_function(func_db.id, values)
except Exception as e:
LOG.exception("Failed to store function package.")
keystone_util.delete_trust(values['trust_id'])
raise e
pecan.response.status = 201
return resources.Function.from_db_obj(func_db).to_dict()