def on_delete(self, req, resp, id=None):
req_data = req.media or {}
resp_data, valid = Code_Request_Schema(
many=is_list(req_data), partial=True,
method=HTTP_Method.DELETE).validate(data=req.media, id=id)
if valid:
req_data_wrap = wrap(req_data)
if len(req_data_wrap) > 0:
for data in req_data_wrap:
id = data.get('id', None)
if id is not None:
pc = self.polycube.delete(cube=id)
if not pc.get('error', False):
msg = f'Code with the id={id} correctly deleted'
resp_data = Reset_Content_Response(msg)
else:
msg = f'Not possible to delete code with the id={id}'
resp_data = Unprocessable_Entity_Response(msg)
resp_data.update(**pc)
else:
msg = f'Not possible to update code with the id={id}'
resp_data = Unprocessable_Entity_Response(msg)
resp_data.apply(resp)
else:
msg = 'No content to delete code with the {{request}}'
No_Content_Response(msg, request=req_data).apply(resp)
else:
resp_data.apply(resp)
def on_base_put(self, req, resp, id=None):
so = self.doc.Status_Operation
req_data = req.media or {}
resp_data, valid = self.schema(many=is_list(req_data),
unknown='INCLUDE',
partial=True,
method=HTTP_Method.PUT).validate(
data=req_data, id=id)
if valid:
req_data_wrap = wrap(req_data)
if len(req_data_wrap) > 0:
for req_data in req_data_wrap:
req_data_lcp = deepcopy(req_data)
req_data_id = req_data.pop('id', id)
try:
if len(req_data) == 0:
msg = f'Update for {self.name} with id={req_data_id} not necessary'
Not_Modified_Response(msg).add(resp)
else:
self.rm_ignore_fields(req_data)
obj = self.doc.get(id=req_data_id)
resp_data_lcp = []
hndl = self.get_lcp_handler(HTTP_Method.PUT)
modified = hndl(instance=obj,
req=req_data_lcp,
resp=resp_data_lcp)
resp_data = Ok_Response(
f'{self.name.capitalize()} with the id={req_data_id} correctly updated'
)
if len(resp_data_lcp) > 0:
for rdl in resp_data_lcp:
if rdl['error']:
msg = f'Not possible to update a {self.name} with the id={req_data_id}'
resp_data = Unprocessable_Entity_Response(
msg)
break
resp_data.update(lcp_response=resp_data_lcp)
force = req_data.get('force', False)
if (not resp_data.error
or force) and len(req_data) > 0:
res = obj.update(**req_data)
if res == so.UPDATED:
modified = True
if force:
msg = f'Some errors occur but the {self.name} with the id={req_data_id} forcedly updated'
resp_data = Unprocessable_Entity_Response(
msg)
if not resp_data.error and not modified:
msg = f'{self.name.capitalize()} with the id={req_data_id} no need to update'
resp_data = Not_Modified_Response(msg)
resp_data.add(resp)
except Exception as e:
msg = f'Not possible to update a {self.name} with the id={req_data_id}'
Unprocessable_Entity_Response(msg,
exception=e).add(resp)
else:
msg = f'No content to update {self.name} based on the {{request}}'
No_Content_Response(msg, request=req_data).apply(resp)
else:
resp_data.apply(resp)
def on_put(self, req, resp, id=None):
req_data = req.media or {}
resp_data, valid = Code_Request_Schema(
many=is_list(req_data), partial=True,
method=HTTP_Method.PUT).validate(data=req.media, id=id)
if valid:
req_data_wrap = wrap(req_data)
if len(req_data_wrap) > 0:
for data in req_data_wrap:
id, code, interface, metrics = item_getter(
'id', 'code', 'interface', 'metrics')(data)
if all([id, code, interface]):
if is_list(code):
code = '\n'.join(code)
pc = self.polycube.update(cube=id,
code=code,
interface=interface,
metrics=metrics)
if not pc.get('error', False):
msg = f'Code with the id={id} correctly updated'
resp_data = Ok_Response(msg)
else:
msg = f'Not possible to update code with the id={id}'
resp_data = Unprocessable_Entity_Response(msg)
resp_data.update(**pc)
else:
msg = f'Not possible to update code with the id={id}'
resp_data = Unprocessable_Entity_Response(msg)
resp_data.apply(resp)
else:
msg = 'No content to update code with the {{request}}'
No_Content_Response(msg, request=req_data).apply(resp)
else:
resp_data.apply(resp)
def on_base_post(self, req, resp, id=None):
req_data = req.media or {}
resp_data, valid = self.schema(many=is_list(req_data),
unknown='INCLUDE',
method=HTTP_Method.POST).validate(
data=req_data, id=id)
if valid:
req_data_wrap = wrap(req_data)
if len(req_data_wrap) > 0:
for req_data in req_data_wrap:
req_data_lcp = deepcopy(req_data)
req_data_id = req_data.pop('id', id)
try:
self.rm_ignore_fields(req_data)
obj = self.doc(meta={'id': req_data_id}, **req_data)
resp_data_lcp = []
resp_data = Created_Response(
f'{self.name.capitalize()} with the id={req_data_id} correctly created'
)
hndl = self.get_lcp_handler(HTTP_Method.POST)
hndl(instance=obj,
req=req_data_lcp,
resp=resp_data_lcp)
if len(resp_data_lcp) > 0:
for rdl in resp_data_lcp:
if rdl['error']:
msg = f'Not possible to create a {self.name} with the id={req_data_id}'
resp_data = Unprocessable_Entity_Response(
msg)
break
resp_data.update(lcp_response=resp_data_lcp)
force = req_data.get('force', False)
if not resp_data.error or force:
obj.save()
if force:
msg = f'Some errors occur but the {self.name} with the id={req_data_id} forcedly created'
resp_data = Unprocessable_Entity_Response(msg)
resp_data.add(resp)
except Exception as e:
msg = f'Not possible to create a {self.name} with the id={req_data_id}'
Unprocessable_Entity_Response(msg,
exception=e).add(resp)
else:
msg = f'No content to create {self.names} based the {{request}}'
No_Content_Response(msg, request=req_data).apply(resp)
else:
resp_data.apply(resp)
def on_base_delete(self, req, resp, id=None):
req_data = req.media or {}
qrs = Query_Request_Schema(method=HTTP_Method.DELETE)
resp_data, valid = qrs.validate(data=req_data, id=id)
if resp:
try:
qr = Query_Reader(index=self.doc.Index.name)
s = qr.parse(query=req_data, id=id)
hits = s.execute()
if len(hits) > 0:
for hit in hits:
try:
obj = self.doc.get(id=hit.meta.id)
msg = f'{self.name.capitalize()} with the id={hit.meta.id} correctly deleted'
resp_data_lcp = []
resp_data = Reset_Content_Response(msg)
hndl = self.get_lcp_handler(HTTP_Method.DELETE)
hndl(instance=obj, req=hit, resp=resp_data_lcp)
if len(resp_data_lcp) > 0:
for rdl in resp_data_lcp:
if rdl['error']:
msg = f'Not possible to delete the {self.name} with the id={hit.meta.id}'
resp_data = Unprocessable_Entity_Response(
msg)
break
resp_data.update(lcp_response=resp_data_lcp)
force = req_data.get('force', False)
if not resp_data.error or force:
obj.delete()
if force:
msg = f'Some errors occur but the {self.name} with the id={hit.meta.id} forcedly deleted'
resp_data = Unprocessable_Entity_Response(
msg)
resp_data.add(resp)
except Exception as e:
msg = f'Not possible to delete the {self.name} with the id={hit.meta.id}'
Unprocessable_Entity_Response(
msg, exception=e).add(resp)
else:
msg = f'{self.names.capitalize()} based on the request {{query}} not found'
Not_Found_Response(msg, query=req_data).apply(resp)
except Exception as e:
msg = f'Not possible to delete {self.names} with the request {{query}}'
Unprocessable_Entity_Response(msg, exception=e,
query=req_data).apply(resp)
else:
resp_data.apply(resp)
def __apply(self, instance, exec_env, caller, data):
h, p = exec_env.hostname, exec_env.lcp.port
schema = 'https' if exec_env.lcp.https else 'http'
resp_caller = caller(f'{schema}://{h}:{p}/code',
headers={'Authorization': create_token()},
json=data(self.catalog))
if resp_caller.content:
try:
self.resp.extend(wrap(resp_caller.json()))
except Exception as e:
msg = f'Response from LCP({exec_env.meta.id}@{exec_env.hostname}:{exec_env.lcp.port}) not valid'
self.log.exception(msg, e)
uer = Unprocessable_Entity_Response(msg, exception=e)
uer.add(self.resp)
else:
msg = f'Request to LCP({exec_env.meta.id}@{exec_env.hostname}:{exec_env.lcp.port}) not executed'
Unprocessable_Entity_Response(msg).add(self.resp)
def __apply(self, instance):
if self.num > 0:
try:
save_parameters = self.__save(
instance=instance,
type='parameter',
catalogs=self.catalogs['parameters'],
handler=self.__save_parameter)
if save_parameters:
instance.save()
return True
except Exception as e:
msg = 'Request not valid'
self.log.exception(msg, e)
uer = Unprocessable_Entity_Response(msg, exception=e)
uer.add(self.resp)
return False
return False
def __apply(self, instance, exec_env):
if self.num > 0:
schema = 'https' if exec_env.lcp.https else 'http'
resp_lcp = post_req(
f'{schema}://{exec_env.hostname}:{exec_env.lcp.port}/config',
headers={'Authorization': create_token()},
json=self.req_lcp)
if resp_lcp.content:
try:
resp_lcp_data = resp_lcp.json()
if resp_lcp.status_code >= 300 or (is_dict(resp_lcp)
and resp_lcp_data.get(
'error', False)):
Unprocessable_Entity_Response(resp_lcp_data) \
.add(self.resp)
return False
else:
save_actions = self.__save(
instance=instance,
data=resp_lcp_data,
type='action',
catalogs=self.catalogs['actions'],
handler=self.__save_action)
save_parameters = self.__save(
instance=instance,
data=resp_lcp_data,
type='parameter',
catalogs=self.catalogs['parameters'],
handler=self.__save_parameter)
save_resources = self.__save(
instance=instance,
data=resp_lcp_data,
type='resource',
catalogs=self.catalogs['resources'],
handler=self.__save_resource)
if save_actions or save_parameters or save_resources:
instance.save()
self.resp.extend(wrap(resp_lcp_data))
return True
except Exception as e:
msg = f'Response from LCP({exec_env.meta.id}@{exec_env.hostname}:{exec_env.lcp.port}) not valid'
self.log.exception(msg, e)
uer = Unprocessable_Entity_Response(msg, exception=e)
uer.add(self.resp)
return False
else:
msg = f'Request to LCP({exec_env.meta.id}@{exec_env.hostname}:{exec_env.lcp.port}) not executed'
Unprocessable_Entity_Response(msg).add(self.resp)
return False
return False
def on_base_get(self, req, resp, id=None):
req_data = req.media or {}
qrs = Query_Request_Schema(method=HTTP_Method.GET, unknown='INCLUDE')
resp_data, valid = qrs.validate(data=req_data, id=id)
if valid:
try:
qr = Query_Reader(index=self.doc.Index.name)
s = qr.parse(query=req_data, id=id)
resp_data = [
dict(hit.to_dict(), id=hit.meta.id) for hit in s.execute()
]
if len(resp_data) > 0:
Content_Response(resp_data).apply(resp)
else:
msg = f'{self.name.capitalize()} based on the request {{query}} not found'
Not_Found_Response(msg, query=req_data).apply(resp)
except Exception as e:
msg = f'Not possible to get {self.names} with the request {{query}}'
Unprocessable_Entity_Response(msg, exception=e,
query=req_data).apply(resp)
else:
resp_data.apply(resp)
class Unprocessable_Entity_Response_Schema(Base_Response_Schema):
status = Constant(Unprocessable_Entity_Response.status())
error = Constant(Unprocessable_Entity_Response.error)
code = Constant(Unprocessable_Entity_Response.code)
Ok_Response, Reset_Content_Response, Unauthorized_Response,
Unprocessable_Entity_Response, Unsupported_Media_Type_Response)
RESPONSE_STATUS = [
Bad_Request_Response.status(),
Conflict_Response.status(),
Content_Response.status(),
Created_Response.status(),
No_Content_Response.status(),
Not_Acceptable_Response.status(),
Not_Found_Response.status(),
Not_Modified_Response.status(),
Ok_Response.status(),
Reset_Content_Response.status(),
Unauthorized_Response.status(),
Unprocessable_Entity_Response.status(),
Unsupported_Media_Type_Response.status()
]
RESPONSE_CODES = [
Bad_Request_Response.code, Conflict_Response.code, Content_Response.code,
Created_Response.code, No_Content_Response.code,
Not_Acceptable_Response.code, Not_Found_Response.code,
Not_Modified_Response.code, Ok_Response.code, Reset_Content_Response.code,
Unauthorized_Response.code, Unprocessable_Entity_Response.code,
Unsupported_Media_Type_Response.code
]
class Exception_Response_Schema(Schema):
reason = Raw(required=True,
