Implemented pi-edge edge cloud functions

# Mocked API for testing purposes

from typing import Dict, List, Optional

from src.edgecloud.core.edgecloud_interface import EdgeCloudManagementInterface

import os

import logging

import requests

from edgecloud.core.edgecloud_interface import EdgeCloudManagementInterface

from swagger_server.utils import kubernetes_connector, connector_db

from swagger_server.models.service_function_registration_request import ServiceFunctionRegistrationRequest

from swagger_server.models.deploy_service_function import DeployServiceFunction

from swagger_server.core.piedge_encoder import deploy_service_function

piedge_ip = os.environ['EDGE_CLOUD_ADAPTER']

edge_cloud_provider = os.environ['PLATFORM_PROVIDER']

class EdgeApplicationManager(EdgeCloudManagementInterface):

    def __init__(self, base_url: str):

        self.base_url = base_url

    def onboard_app(self, app_manifest: Dict) -> Dict:

        print(f"Submitting application: {app_manifest}")

        return {"appId": "1234-5678"}

        logging.info('Extracting variables from payload...')

        app_name = app_manifest.get('name')

        image = app_manifest.get('appRepo').get('imagePath')

        sf = ServiceFunctionRegistrationRequest(service_function_image=image, service_function_name=app_name)

        return sf

    def get_all_onboarded_apps(self) -> List[Dict]:

        return [{"appId": "1234-5678", "name": "TestApp"}]

        logging.info('Retrieving all registered apps from database...')

        app_list = connector_db.get_documents_from_collection(collection_input="service_functions")

        return app_list

        # return [{"appId": "1234-5678", "name": "TestApp"}]

    def get_onboarded_app(self, app_id: str) -> Dict:

        return {"appId": app_id, "name": "TestApp"}

        logging.info('Searching for registered app with ID: '+ app_id+' in database...')

        app = connector_db.get_documents_from_collection("service_functions", input_type="_id", input_value=app_id)

        return app

    def delete_onboarded_app(self, app_id: str) -> None:

        print(f"Deleting application: {app_id}")

        logging.info('Deleting registered app with ID: '+ app_id+' from database...')

        result = connector_db.delete_document_service_function(app_id)

        return result

        # print(f"Deleting application: {app_id}")

    def deploy_app(self, app_id: str, app_zones: List[Dict]) -> Dict:

        return {"appInstanceId": "abcd-efgh"}

        logging.info('Searching for registered app with ID: '+ app_id+' in database...')

        app = connector_db.get_documents_from_collection("service_functions", input_type="_id", input_value=app_id)

        success_response = []

        if app is not None:

            for zone in app_zones:

                sf = DeployServiceFunction(service_function_name=app.get('name'), 

                                           service_function_instance_name=app.get('name')+zone.get('edgeCloudZoneName'), 

                                           location=zone.get('edgeCloudZoneName'))

                result = deploy_service_function(service_function=sf)

                success_response.append(result)

        # return {"appInstanceId": "abcd-efgh"}

        return success_response

    def get_all_deployed_apps(self, app_id: Optional[str] = None, app_instance_id: Optional[str] = None, region: Optional[str] = None) -> List[Dict]:

        logging.info('Retreiving all deployed apps in the edge cloud platform')

        response = kubernetes_connector.get_deployed_service_functions()

        return [{"appInstanceId": "abcd-efgh", "status": "ready"}]

    def undeploy_app(self, app_instance_id: str) -> None:

        logging.info('Searching for deployed app with ID: '+ app_instance_id+' in database...')

        print(f"Deleting app instance: {app_instance_id}")

        # deployed_service_function_name_=auxiliary_functions.prepare_name_for_k8s(deployed_service_function_name)

        sfs=kubernetes_connector.get_deployed_service_functions()

        response = 'App instance with ID ['+app_instance_id+'] not found'

        for service_fun in sfs.items:

            if service_fun["uid"]==app_instance_id:

                response = kubernetes_connector.delete_service_function(service_fun['service_function_instance_name'])

        return response        

    def get_edge_cloud_zones(self, region: Optional[str] = None, status: Optional[str] = None) -> List[Dict]:

        return [{"edgeCloudZoneId": "zone-1", "status": "active"}]

        nodes_response = kubernetes_connector.get_PoPs()

        zone_list =[]

        for node in nodes_response.json().get('nodes'):

                zone = {}

                zone['edgeCloudZoneId'] = node.get('uid')

                zone['edgeCloudZoneName'] = node.get('name')

                zone['edgeCloudZoneStatus'] = node.get('status')

                zone['edgeCloudProvider'] = edge_cloud_provider

                zone['edgeCloudRegion'] = node.get('location')

                zone_list.append(zone)

        return zone_list