lcm/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
  18 from lcm.pub.exceptions import NSLCMException
  19 from lcm.pub.msapi.aai import call_aai
  20 from lcm.pub.utils.values import ignore_case_get
  21
  22 logger = logging.getLogger(__name__)
  23
  24
  25 def get_vims():
  26     ret = call_aai("/cloud-infrastructure/cloud-regions?depth=all", "GET")
  27     if ret[0] != 0:
  28         logger.error("Status code is %s, detail is %s.", ret[2], ret[1])
  29         raise NSLCMException("Failed to query vims from extsys.")
  30     # convert vim_info_aai to internal vim_info
  31     vims_aai = json.JSONDecoder().decode(ret[1])
  32     vims_aai = ignore_case_get(vims_aai, "cloud-region")
  33     vims_info = []
  34     for vim in vims_aai:
  35         vim = convert_vim_info(vim)
  36         vims_info.append(vim)
  37     return vims_info
  38
  39
  40 def get_vim_by_id(vim_id):
  41     cloud_owner, cloud_region = split_vim_to_owner_region(vim_id)
  42     ret = call_aai("/cloud-infrastructure/cloud-regions/cloud-region/%s/%s?depth=all"
  43                    % (cloud_owner, cloud_region), "GET")
  44     if ret[0] != 0:
  45         logger.error("Status code is %s, detail is %s.", ret[2], ret[1])
  46         raise NSLCMException("Failed to query vim(%s) from extsys." % vim_id)
  47     # convert vim_info_aai to internal vim_info
  48     vim_info_aai = json.JSONDecoder().decode(ret[1])
  49     vim_info = convert_vim_info(vim_info_aai)
  50     return vim_info
  51
  52 def split_vim_to_owner_region(vim_id):
  53     split_vim = vim_id.split('_')
  54     cloud_owner = split_vim[0]
  55     cloud_region = "".join(split_vim[1:])
  56     return cloud_owner, cloud_region
  57
  58 def convert_vim_info(vim_info_aai):
  59     vim_id = vim_info_aai["cloud-owner"] + "_" + vim_info_aai["cloud-region-id"]
  60     esr_system_info = ignore_case_get(ignore_case_get(vim_info_aai, "esr-system-info-list"), "esr-system-info")
  61     # tenants = ignore_case_get(vim_info_aai, "tenants")
  62     vim_info = {
  63         "vimId": vim_id,
  64         "name": vim_id,
  65         "url": ignore_case_get(esr_system_info[0], "service-url"),
  66         "userName": ignore_case_get(esr_system_info[0], "user-name"),
  67         "password": ignore_case_get(esr_system_info[0], "password"),
  68         # "tenant": ignore_case_get(tenants[0], "tenant-id"),
  69         "tenant": ignore_case_get(esr_system_info[0], "default-tenant"),
  70         "vendor": ignore_case_get(esr_system_info[0], "vendor"),
  71         "version": ignore_case_get(esr_system_info[0], "version"),
  72         "description": "vim",
  73         "domain": "",
  74         "type": ignore_case_get(esr_system_info[0], "type"),
  75         "createTime": "2016-07-18 12:22:53"
  76     }
  77     return vim_info
  78
  79
  80 def get_sdn_controller_by_id(sdn_ontroller_id):
  81     ret = call_aai("/external-system/esr-thirdparty-sdnc-list/esr-thirdparty-sdnc/%s?depth=all"
  82                    % sdn_ontroller_id, "GET")
  83     if ret[0] != 0:
  84         logger.error("Failed to query sdn ontroller(%s) from extsys. detail is %s.", sdn_ontroller_id, ret[1])
  85         raise NSLCMException("Failed to query sdn ontroller(%s) from extsys." % sdn_ontroller_id)
  86     # convert vim_info_aai to internal vim_info
  87     sdnc_info_aai = json.JSONDecoder().decode(ret[1])
  88     sdnc_info = convert_sdnc_info(sdnc_info_aai)
  89     return sdnc_info
  90
  91
  92 def convert_sdnc_info(sdnc_info_aai):
  93     esr_system_info = ignore_case_get(ignore_case_get(sdnc_info_aai, "esr-system-info-list"), "esr-system-info")
  94     sdnc_info = {
  95         "sdnControllerId": sdnc_info_aai["thirdparty-sdnc-id"],
  96         "name": sdnc_info_aai["thirdparty-sdnc-id"],
  97         "url": ignore_case_get(esr_system_info[0], "service-url"),
  98         "userName": ignore_case_get(esr_system_info[0], "user-name"),
  99         "password": ignore_case_get(esr_system_info[0], "password"),
 100         "vendor": ignore_case_get(esr_system_info[0], "vendor"),
 101         "version": ignore_case_get(esr_system_info[0], "version"),
 102         "description": "",
 103         "protocol": ignore_case_get(esr_system_info[0], "protocal"),
 104         "productName": ignore_case_get(sdnc_info_aai, "product-name"),
 105         "type": ignore_case_get(esr_system_info[0], "type"),
 106         "createTime": "2016-07-18 12:22:53"
 107     }
 108     return sdnc_info
 109
 110
 111 def get_vnfm_by_id(vnfm_inst_id):
 112     uri = '/external-system/esr-vnfm-list/esr-vnfm/%s?depth=all' % vnfm_inst_id
 113     ret = call_aai(uri, "GET")
 114     if ret[0] > 0:
 115         logger.error('Send get VNFM information request to extsys failed.')
 116         raise NSLCMException('Send get VNFM information request to extsys failed.')
 117     # convert vnfm_info_aai to internal vnfm_info
 118     vnfm_info_aai = json.JSONDecoder().decode(ret[1])
 119     vnfm_info = convert_vnfm_info(vnfm_info_aai)
 120     return vnfm_info
 121
 122
 123 def convert_vnfm_info(vnfm_info_aai):
 124     esr_system_info = ignore_case_get(ignore_case_get(vnfm_info_aai, "esr-system-info-list"), "esr-system-info")
 125     vnfm_info = {
 126         "vnfmId": vnfm_info_aai["vnfm-id"],
 127         "name": vnfm_info_aai["vnfm-id"],
 128         "type": ignore_case_get(esr_system_info[0], "type"),
 129         "vimId": vnfm_info_aai["vim-id"],
 130         "vendor": ignore_case_get(esr_system_info[0], "vendor"),
 131         "version": ignore_case_get(esr_system_info[0], "version"),
 132         "description": "vnfm",
 133         "certificateUrl": vnfm_info_aai["certificate-url"],
 134         "url": ignore_case_get(esr_system_info[0], "service-url"),
 135         "userName": ignore_case_get(esr_system_info[0], "user-name"),
 136         "password": ignore_case_get(esr_system_info[0], "password"),
 137         "createTime": "2016-07-06 15:33:18"
 138     }
 139     return vnfm_info
 140
 141
 142 def select_vnfm(vnfm_type, vim_id):
 143     uri = '/external-system/esr-vnfm-list?depth=all'
 144     ret = call_aai(uri, "GET")
 145     if ret[0] > 0:
 146         logger.error("Failed to call %s: %s", uri, ret[1])
 147         raise NSLCMException('Failed to get vnfms from extsys.')
 148     vnfms = json.JSONDecoder().decode(ret[1])
 149     vnfms = ignore_case_get(vnfms, "esr-vnfm")
 150     for vnfm in vnfms:
 151         esr_system_info = ignore_case_get(vnfm, "esr-system-info")
 152         type = ignore_case_get(esr_system_info, "type")
 153         vimId = vnfm["vnfm-id"]
 154         if type == vnfm_type and vimId == vim_id:
 155             # convert vnfm_info_aai to internal vnfm_info
 156             vnfm = convert_vnfm_info(vnfm)
 157             return vnfm
 158     raise NSLCMException('No vnfm found with %s in vim(%s)' % (vnfm_type, vim_id))