osmclient/sol005/vnf.py

# Copyright 2018 Telefonica
#
# All Rights Reserved.
#
#    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.

"""
OSM vnf API handling
"""

from osmclient.common import utils
from osmclient.common.exceptions import NotFound


class Vnf(object):

    def __init__(self, http=None, client=None):
        self._http = http
        self._client = client
        self._apiName = '/nslcm'
        self._apiVersion = '/v1'
        self._apiResource = '/vnfrs'
        self._apiBase = '{}{}{}'.format(self._apiName,
                                        self._apiVersion, self._apiResource)

    def list(self, ns=None):
        """Returns a list of VNF instances
        """
        filter_string = ''
        if ns:
            ns_instance = self._client.ns.get(ns)
            filter_string = '?nsr-id-ref={}'.format(ns_instance['_id'])
        resp = self._http.get_cmd('{}{}'.format(self._apiBase,filter_string))
        #print 'RESP: {}'.format(resp)
        if resp:
            return resp
        return list()

    def get(self, name):
        """Returns a VNF instance based on name or id
        """
        if utils.validate_uuid4(name):
            for vnf in self.list():
                if name == vnf['_id']:
                    return vnf
        else:
            for vnf in self.list():
                if name == vnf['name']:
                    return vnf
        raise NotFound("vnf {} not found".format(name))

    def get_individual(self, name):
        vnf_id = name
        if not utils.validate_uuid4(name):
            for vnf in self.list():
                if name == vnf['name']:
                    vnf_id = vnf['_id']
                    break
        resp = self._http.get_cmd('{}/{}'.format(self._apiBase, vnf_id))
        #print 'RESP: {}'.format(resp)
        if resp:
            return resp
        raise NotFound("vnf {} not found".format(name))