genericparser/pub/msapi/extsys.py

   1 # Copyright 2016 ZTE Corporation.
   2 #
   3 # Licensed under the Apache License, Version 2.0 (the "License");
   4 # you may not use this file except in compliance with the License.
   5 # You may obtain a copy of the License at
   6 #
   7 #         http://www.apache.org/licenses/LICENSE-2.0
   8 #
   9 # Unless required by applicable law or agreed to in writing, software
  10 # distributed under the License is distributed on an "AS IS" BASIS,
  11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 # See the License for the specific language governing permissions and
  13 # limitations under the License.
  14
  15 import json
  16 import logging
  17 import uuid
  18
  19 from genericparser.pub.config.config import AAI_BASE_URL, AAI_USER, AAI_PASSWD
  20 from genericparser.pub.exceptions import GenericparserException
  21 from genericparser.pub.utils import restcall
  22 from genericparser.pub.utils.values import ignore_case_get
  23
  24 logger = logging.getLogger(__name__)
  25
  26
  27 def call_aai(resource, method, content=''):
  28     additional_headers = {
  29         'X-FromAppId': 'MODEL-GENERICPARSER',
  30         'X-TransactionId': str(uuid.uuid1())
  31     }
  32     return restcall.call_req(AAI_BASE_URL,
  33                              AAI_USER,
  34                              AAI_PASSWD,
  35                              restcall.rest_no_auth,
  36                              resource,
  37                              method,
  38                              content,
  39                              additional_headers)
  40
  41
  42 def get_vims():
  43     ret = call_aai("/cloud-infrastructure/cloud-regions?depth=all", "GET")
  44     if ret[0] != 0:
  45         logger.error("Status code is %s, detail is %s.", ret[2], ret[1])
  46         raise GenericparserException("Failed to query vims from extsys.")
  47     # convert vim_info_aai to internal vim_info
  48     vims_aai = json.JSONDecoder().decode(ret[1])
  49     vims_aai = ignore_case_get(vims_aai, "cloud-region")
  50     vims_info = []
  51     for vim in vims_aai:
  52         vim = convert_vim_info(vim)
  53         vims_info.append(vim)
  54     return vims_info
  55
  56
  57 def get_vim_by_id(vim_id):
  58     cloud_owner, cloud_region = split_vim_to_owner_region(vim_id)
  59     ret = call_aai("/cloud-infrastructure/cloud-regions/cloud-region/%s/%s?depth=all"
  60                    % (cloud_owner, cloud_region), "GET")
  61     if ret[0] != 0:
  62         logger.error("Status code is %s, detail is %s.", ret[2], ret[1])
  63         raise GenericparserException("Failed to query vim(%s) from extsys." % vim_id)
  64     # convert vim_info_aai to internal vim_info
  65     vim_info_aai = json.JSONDecoder().decode(ret[1])
  66     vim_info = convert_vim_info(vim_info_aai)
  67     return vim_info
  68
  69
  70 def split_vim_to_owner_region(vim_id):
  71     split_vim = vim_id.split('_')
  72     cloud_owner = split_vim[0]
  73     cloud_region = "".join(split_vim[1:])
  74     return cloud_owner, cloud_region
  75
  76
  77 def convert_vim_info(vim_info_aai):
  78     vim_id = vim_info_aai["cloud-owner"] + "_" + vim_info_aai["cloud-region-id"]
  79     esr_system_info = ignore_case_get(ignore_case_get(vim_info_aai, "esr-system-info-list"), "esr-system-info")
  80     vim_info = {
  81         "vimId": vim_id,
  82         "name": vim_id,
  83         "url": ignore_case_get(esr_system_info[0], "service-url"),
  84         "userName": ignore_case_get(esr_system_info[0], "user-name"),
  85         "password": ignore_case_get(esr_system_info[0], "password"),
  86         "tenant": ignore_case_get(esr_system_info[0], "default-tenant"),
  87         "vendor": ignore_case_get(esr_system_info[0], "vendor"),
  88         "version": ignore_case_get(esr_system_info[0], "version"),
  89         "description": "vim",
  90         "domain": "",
  91         "type": ignore_case_get(esr_system_info[0], "type"),
  92         "createTime": "2016-07-18 12:22:53"
  93     }
  94     return vim_info
  95
  96
  97 def get_sdn_controller_by_id(sdn_ontroller_id):
  98     ret = call_aai("/external-system/esr-thirdparty-sdnc-list/esr-thirdparty-sdnc/%s?depth=all"
  99                    % sdn_ontroller_id, "GET")
 100     if ret[0] != 0:
 101         logger.error("Failed to query sdn ontroller(%s) from extsys. detail is %s.", sdn_ontroller_id, ret[1])
 102         raise GenericparserException("Failed to query sdn ontroller(%s) from extsys." % sdn_ontroller_id)
 103     # convert vim_info_aai to internal vim_info
 104     sdnc_info_aai = json.JSONDecoder().decode(ret[1])
 105     sdnc_info = convert_sdnc_info(sdnc_info_aai)
 106     return sdnc_info
 107
 108
 109 def convert_sdnc_info(sdnc_info_aai):
 110     esr_system_info = ignore_case_get(ignore_case_get(sdnc_info_aai, "esr-system-info-list"), "esr-system-info")
 111     sdnc_info = {
 112         "sdnControllerId": sdnc_info_aai["thirdparty-sdnc-id"],
 113         "name": sdnc_info_aai["thirdparty-sdnc-id"],
 114         "url": ignore_case_get(esr_system_info[0], "service-url"),
 115         "userName": ignore_case_get(esr_system_info[0], "user-name"),
 116         "password": ignore_case_get(esr_system_info[0], "password"),
 117         "vendor": ignore_case_get(esr_system_info[0], "vendor"),
 118         "version": ignore_case_get(esr_system_info[0], "version"),
 119         "description": "",
 120         "protocol": ignore_case_get(esr_system_info[0], "protocal"),
 121         "productName": ignore_case_get(sdnc_info_aai, "product-name"),
 122         "type": ignore_case_get(esr_system_info[0], "type"),
 123         "createTime": "2016-07-18 12:22:53"
 124     }
 125     return sdnc_info
 126
 127
 128 def get_vnfm_by_id(vnfm_inst_id):
 129     uri = "/external-system/esr-vnfm-list/esr-vnfm/%s?depth=all" % vnfm_inst_id
 130     ret = call_aai(uri, "GET")
 131     if ret[0] > 0:
 132         logger.error('Send get VNFM information request to extsys failed.')
 133         raise GenericparserException('Send get VNFM information request to extsys failed.')
 134     # convert vnfm_info_aai to internal vnfm_info
 135     vnfm_info_aai = json.JSONDecoder().decode(ret[1])
 136     vnfm_info = convert_vnfm_info(vnfm_info_aai)
 137     return vnfm_info
 138
 139
 140 def convert_vnfm_info(vnfm_info_aai):
 141     esr_system_info = ignore_case_get(ignore_case_get(vnfm_info_aai, "esr-system-info-list"), "esr-system-info")
 142     vnfm_info = {
 143         "vnfmId": vnfm_info_aai["vnfm-id"],
 144         "name": vnfm_info_aai["vnfm-id"],
 145         "type": ignore_case_get(esr_system_info[0], "type"),
 146         "vimId": vnfm_info_aai["vim-id"],
 147         "vendor": ignore_case_get(esr_system_info[0], "vendor"),
 148         "version": ignore_case_get(esr_system_info[0], "version"),
 149         "description": "vnfm",
 150         "certificateUrl": vnfm_info_aai["certificate-url"],
 151         "url": ignore_case_get(esr_system_info[0], "service-url"),
 152         "userName": ignore_case_get(esr_system_info[0], "user-name"),
 153         "password": ignore_case_get(esr_system_info[0], "password"),
 154         "createTime": "2016-07-06 15:33:18"
 155     }
 156     return vnfm_info
 157
 158
 159 def select_vnfm(vnfm_type, vim_id):
 160     uri = "/external-system/esr-vnfm-list?depth=all"
 161     ret = call_aai(uri, "GET")
 162     if ret[0] > 0:
 163         logger.error("Failed to call %s: %s", uri, ret[1])
 164         raise GenericparserException('Failed to get vnfms from extsys.')
 165     vnfms = json.JSONDecoder().decode(ret[1])
 166     vnfms = ignore_case_get(vnfms, "esr-vnfm")
 167     for vnfm in vnfms:
 168         esr_system_info = ignore_case_get(vnfm, "esr-system-info")
 169         type = ignore_case_get(esr_system_info, "type")
 170         vimId = vnfm["vnfm-id"]
 171         if type == vnfm_type and vimId == vim_id:
 172             # convert vnfm_info_aai to internal vnfm_info
 173             vnfm = convert_vnfm_info(vnfm)
 174             return vnfm
 175     raise GenericparserException('No vnfm found with %s in vim(%s)' % (vnfm_type, vim_id))