def handle_function_service_expiration(ctx, engine):
"""Clean up resources related to expired functions.
If it's image function, we will rely on the orchestrator itself to do the
image clean up, e.g. image collection feature in kubernetes.
"""
context.set_ctx(ctx)
delta = timedelta(seconds=CONF.engine.function_service_expiration)
expiry_time = datetime.utcnow() - delta
results = db_api.get_functions(sort_keys=['updated_at'],
insecure=True,
updated_at={'lte': expiry_time})
if len(results) == 0:
return
for func_db in results:
if not etcd_util.get_service_url(func_db.id):
continue
LOG.info('Deleting service mapping and workers for function %s',
func_db.id)
# Delete resources related to the function
engine.delete_function(ctx, func_db.id)
# Delete etcd keys
etcd_util.delete_function(func_db.id)
def handle_function_service_expiration(ctx, engine_client, orchestrator):
context.set_ctx(ctx)
delta = timedelta(seconds=CONF.engine.function_service_expiration)
expiry_time = datetime.utcnow() - delta
results = db_api.get_functions(sort_keys=['updated_at'],
insecure=True,
updated_at={'lte': expiry_time})
if len(results) == 0:
return
for func_db in results:
if not func_db.service:
continue
with db_api.transaction():
LOG.info('Deleting service mapping and workers for function %s',
func_db.id)
# Delete resources related to the function
engine_client.delete_function(func_db.id)
# Delete service mapping and worker records
db_api.delete_function_service_mapping(func_db.id)
db_api.delete_function_workers(func_db.id)
def get_all(self, all_projects=False, project_id=None):
"""Return a list of functions.
:param project_id: Optional. Admin user can query other projects
resources, the param is ignored for normal user.
:param all_projects: Optional. Get resources of all projects.
"""
ctx = context.get_ctx()
if project_id and not ctx.is_admin:
project_id = context.ctx().projectid
if project_id and ctx.is_admin:
all_projects = True
if all_projects:
acl.enforce('function:get_all:all_projects', ctx)
filters = rest_utils.get_filters(project_id=project_id, )
LOG.info("Get all functions. filters=%s", filters)
db_functions = db_api.get_functions(insecure=all_projects, **filters)
functions = [
resources.Function.from_dict(db_model.to_dict())
for db_model in db_functions
]
return resources.Functions(functions=functions)
def get_all(self):
LOG.info("Get all functions.")
functions = [
resources.Function.from_dict(db_model.to_dict())
for db_model in db_api.get_functions()
]
return resources.Functions(functions=functions)
def put(self, id, runtime):
"""Update runtime.
Currently, we support update name, description, image. When
updating image, send message to engine for asynchronous
handling.
"""
acl.enforce('runtime:update', context.get_ctx())
values = {}
for key in UPDATE_ALLOWED:
if runtime.to_dict().get(key) is not None:
values.update({key: runtime.to_dict()[key]})
LOG.info('Update resource, params: %s',
values,
resource={
'type': self.type,
'id': id
})
image = values.get('image')
with db_api.transaction():
if image is not None:
pre_runtime = db_api.get_runtime(id)
if pre_runtime.status != status.AVAILABLE:
raise exc.RuntimeNotAvailableException(
'Runtime %s is not available.' % id)
pre_image = pre_runtime.image
if pre_image != image:
# Ensure there is no function running in the runtime.
db_funcs = db_api.get_functions(insecure=True,
fields=['id'],
runtime_id=id)
func_ids = [func.id for func in db_funcs]
for id in func_ids:
if etcd_util.get_service_url(id):
raise exc.NotAllowedException(
'Runtime %s is still in use by functions.' %
id)
values['status'] = status.UPGRADING
self.engine_client.update_runtime(
id,
image=image,
pre_image=pre_image,
)
runtime_db = db_api.update_runtime(id, values)
return resources.Runtime.from_db_obj(runtime_db)
def put(self, id, runtime):
"""Update runtime.
Currently, we only support update name, description, image. When
updating image, send message to engine for asynchronous handling.
"""
values = {}
for key in UPDATE_ALLOWED:
if runtime.to_dict().get(key) is not None:
values.update({key: runtime.to_dict()[key]})
LOG.info('Update resource, params: %s',
values,
resource={
'type': self.type,
'id': id
})
with db_api.transaction():
if 'image' in values:
pre_runtime = db_api.get_runtime(id)
if pre_runtime.status != status.AVAILABLE:
raise exc.RuntimeNotAvailableException(
'Runtime %s is not available.' % id)
pre_image = pre_runtime.image
if pre_image != values['image']:
# Ensure there is no function running in the runtime.
db_funcs = db_api.get_functions(insecure=True,
fields=['id'],
runtime_id=id)
func_ids = [func.id for func in db_funcs]
mappings = db_api.get_function_service_mappings(
insecure=True, function_id={'in': func_ids})
if mappings:
raise exc.NotAllowedException(
'Runtime %s is still in use by functions.' % id)
values['status'] = status.UPGRADING
self.engine_client.update_runtime(id,
image=values['image'],
pre_image=pre_image)
else:
values.pop('image')
runtime_db = db_api.update_runtime(id, values)
return resources.Runtime.from_dict(runtime_db.to_dict())
def delete(self, id):
LOG.info("Delete resource.", resource={'type': self.type, 'id': id})
with db_api.transaction():
runtime_db = db_api.get_runtime(id)
# Runtime can not be deleted if still associate with functions.
funcs = db_api.get_functions(runtime_id={'eq': id})
if len(funcs):
raise exc.NotAllowedException('Runtime %s is still in use.' %
id)
runtime_db.status = status.DELETING
# Clean related resources asynchronously
self.engine_client.delete_runtime(id)
def delete(self, id):
"""Delete runtime."""
LOG.info("Delete runtime [id=%s]", id)
with db_api.transaction():
runtime_db = db_api.get_runtime(id)
# Runtime can not be deleted if still associate with functions.
funcs = db_api.get_functions(runtime_id={'eq': id})
if len(funcs):
raise exc.NotAllowedException(
'Runtime %s is still in use.' % id
)
runtime_db.status = 'deleting'
# Clean related resources asynchronously
self.engine_client.delete_runtime(id)