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"""Base Dmaap event store."""
# Copyright 2022 Orange, Deutsche Telekom AG, Nokia
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from typing import Dict
from onapsdk.dmaap.dmaap_service import DmaapService
ACTION = "Get events from Dmaap"
GET_HTTP_METHOD = "GET"
class Dmaap(DmaapService):
"""Dmaap library provides functions for getting events from Dmaap."""
dmaap_url = DmaapService._url
get_all_events_url = f"{dmaap_url}/events"
get_all_topics_url = f"{dmaap_url}/topics"
get_events_from_topic_url = "{}/events/{}/CG1/C1"
@classmethod
def get_all_events(cls,
basic_auth: Dict[str, str]) -> dict:
"""
Get all events stored in Dmaap.
Args:
basic_auth: (Dict[str, str]) for example:{ 'username': 'bob', 'password': 'secret' }
Returns:
(dict) Events from Dmaap
"""
return Dmaap.__get_events(cls.get_all_events_url, basic_auth)
@classmethod
def get_events_for_topic(cls,
topic: str,
basic_auth: Dict[str, str]) -> dict:
"""
Get all events stored specific topic in Dmaap.
Args:
topic: (str) topic of events stored in Dmaap
basic_auth: (Dict[str, str]) for example:{ 'username': 'bob', 'password': 'secret' }
Returns:
(dict) Events from Dmaap
"""
url = cls.get_events_from_topic_url.format(cls.dmaap_url, topic)
return Dmaap.__get_events(url, basic_auth)
@classmethod
def get_all_topics(cls,
basic_auth: Dict[str, str]) -> dict:
"""
Get all topics stored in Dmaap.
Args:
basic_auth: (Dict[str, str]) for example:{ 'username': 'bob', 'password': 'secret' }
Returns:
(dict) Topics from Dmaap
"""
return Dmaap.__get_events(cls.get_all_topics_url, basic_auth)['topics']
@classmethod
def __get_events(cls,
url: str,
basic_auth: Dict[str, str]) -> dict:
return cls.send_message_json(
GET_HTTP_METHOD,
ACTION,
url,
basic_auth=basic_auth
)
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