def clear_context_broker(url: str, fiware_header: FiwareHeader):
"""
Function deletes all entities, registrations and subscriptions for a
given fiware header
Note:
Always clear the devices first because the IoT-Agent will otherwise
through errors if it cannot find its registration anymore.
Args:
url: Url of the context broker service
fiware_header: header of the tenant
Returns:
None
"""
# create client
client = ContextBrokerClient(url=url, fiware_header=fiware_header)
# clean entities
client.delete_entities(entities=client.get_entity_list())
# clear subscriptions
for sub in client.get_subscription_list():
client.delete_subscription(subscription_id=sub.id)
assert len(client.get_subscription_list()) == 0
# clear registrations
for reg in client.get_registration_list():
client.delete_registration(registration_id=reg.id)
assert len(client.get_registration_list()) == 0
ax3.plot(t_simulation, on_off)
ax3.set_xlabel('time in s')
ax3.set_ylabel('on/off')
plt.show()
# write devices and groups to file and clear server state
assert WRITE_DEVICES_FILEPATH.suffix == '.json', \
f"Wrong file extension! {WRITE_DEVICES_FILEPATH.suffix}"
WRITE_DEVICES_FILEPATH.touch(exist_ok=True)
with WRITE_DEVICES_FILEPATH.open('w', encoding='utf-8') as f:
devices = [item.dict() for item in iotac.get_device_list()]
json.dump(devices, f, ensure_ascii=False, indent=2)
assert WRITE_GROUPS_FILEPATH.suffix == '.json', \
f"Wrong file extension! {WRITE_GROUPS_FILEPATH.suffix}"
WRITE_GROUPS_FILEPATH.touch(exist_ok=True)
with WRITE_GROUPS_FILEPATH.open('w', encoding='utf-8') as f:
groups = [item.dict() for item in iotac.get_group_list()]
json.dump(groups, f, ensure_ascii=False, indent=2)
assert WRITE_SUBSCRIPTIONS_FILEPATH.suffix == '.json', \
f"Wrong file extension! {WRITE_SUBSCRIPTIONS_FILEPATH.suffix}"
WRITE_SUBSCRIPTIONS_FILEPATH.touch(exist_ok=True)
with WRITE_SUBSCRIPTIONS_FILEPATH.open('w', encoding='utf-8') as f:
subs = [item.dict() for item in cbc.get_subscription_list()]
json.dump(subs, f, ensure_ascii=False, indent=2)
clear_iot_agent(url=IOTA_URL, fiware_header=fiware_header)
clear_context_broker(url=CB_URL, fiware_header=fiware_header)
hall_entity = ContextEntity(**hall)
cb_client.post_entity(hall_entity)
# ### 2.2 Manage subscriptions
#
# create a subscription
# Note: that the IP must be the ones that orion and quantumleap can access,
# e.g. service name or static IP, localhost will not work here.
ql_client.post_subscription(entity_id=hall_entity.id,
cb_url="http://orion:1026",
ql_url="http://quantumleap:8668",
throttling=0)
# Get all subscriptions
subscription_list = cb_client.get_subscription_list()
# Notify QL manually
subscription_id = ""
for sub in subscription_list:
for entity in sub.subject.entities:
if entity.id == hall_entity.id:
try:
ql_client.post_notification(notification=Message(
data=[hall_entity], subscriptionId=sub.id))
subscription_id = sub.id
except:
logger.error("Can not notify QL")
# Notify QL via Orion
for i in range(5, 10):
