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.restcall import req_by_msb
  21 from lcm.pub.utils.values import ignore_case_get
  22
  23 logger = logging.getLogger(__name__)
  24
  25
  26 def get_vims():
  27     ret = req_by_msb("/api/aai-esr-server/v1/vims", "GET")
  28     if ret[0] != 0:
  29         logger.error("Status code is %s, detail is %s.", ret[2], ret[1])
  30         raise NSLCMException("Failed to query vims from extsys.")
  31     return json.JSONDecoder().decode(ret[1])
  32
  33
  34 def get_vim_by_id(vim_id):
  35     cloud_owner, cloud_region = split_vim_to_owner_region(vim_id)
  36     ret = call_aai("/cloud-infrastructure/cloud-regions/cloud-region/%s/%s" % (cloud_owner, cloud_region), "GET")
  37     if ret[0] != 0:
  38         logger.error("Status code is %s, detail is %s.", ret[2], ret[1])
  39         raise NSLCMException("Failed to query vim(%s) from extsys." % vim_id)
  40     # convert vim_info_aai to internal vim_info
  41     vim_info_aai = json.JSONDecoder().decode(ret[1])
  42     vim_info = convert_vim_info(vim_info_aai)
  43     return vim_info
  44
  45 def split_vim_to_owner_region(vim_id):
  46     split_vim = vim_id.split('_')
  47     cloud_owner = split_vim[0]
  48     cloud_region = "".join(split_vim[1:])
  49     return cloud_owner, cloud_region
  50
  51 def convert_vim_info(vim_info_aai):
  52     vim_id = vim_info_aai["cloud-owner"] + "_" + vim_info_aai["cloud-region-id"]
  53     esr_system_info = ignore_case_get(ignore_case_get(vim_info_aai, "esr-system-info-list"), "esr-system-info")
  54     # tenants = ignore_case_get(vim_info_aai, "tenants")
  55     vim_info = {
  56         "vimId": vim_id,
  57         "name": vim_id,
  58         "url": ignore_case_get(esr_system_info[0], "service-url"),
  59         "userName": ignore_case_get(esr_system_info[0], "user-name"),
  60         "password": ignore_case_get(esr_system_info[0], "password"),
  61         # "tenant": ignore_case_get(tenants[0], "tenant-id"),
  62         "tenant": ignore_case_get(esr_system_info[0], "default-tenant"),
  63         "vendor": ignore_case_get(esr_system_info[0], "vendor"),
  64         "version": ignore_case_get(esr_system_info[0], "version"),
  65         "description": "vim",
  66         "domain": "",
  67         "type": ignore_case_get(esr_system_info[0], "type"),
  68         "createTime": "2016-07-18 12:22:53"
  69     }
  70     return vim_info
  71
  72
  73 def get_sdn_controller_by_id(sdn_ontroller_id):
  74     ret = call_aai("/external-system/esr-thirdparty-sdnc-list/esr-thirdparty-sdnc/%s" % sdn_ontroller_id, "GET")
  75     if ret[0] != 0:
  76         logger.error("Failed to query sdn ontroller(%s) from extsys. detail is %s.", sdn_ontroller_id, ret[1])
  77         raise NSLCMException("Failed to query sdn ontroller(%s) from extsys." % sdn_ontroller_id)
  78     # convert vim_info_aai to internal vim_info
  79     sdnc_info_aai = json.JSONDecoder().decode(ret[1])
  80     sdnc_info = convert_sdnc_info(sdnc_info_aai)
  81     return sdnc_info
  82
  83
  84 def convert_sdnc_info(sdnc_info_aai):
  85     esr_system_info = ignore_case_get(ignore_case_get(sdnc_info_aai, "esr-system-info-list"), "esr-system-info")
  86     sdnc_info = {
  87         "sdnControllerId": sdnc_info_aai["thirdparty-sdnc-id"],
  88         "name": sdnc_info_aai["thirdparty-sdnc-id"],
  89         "url": ignore_case_get(esr_system_info[0], "service-url"),
  90         "userName": ignore_case_get(esr_system_info[0], "user-name"),
  91         "password": ignore_case_get(esr_system_info[0], "password"),
  92         "vendor": ignore_case_get(esr_system_info[0], "vendor"),
  93         "version": ignore_case_get(esr_system_info[0], "version"),
  94         "description": "",
  95         "protocol": ignore_case_get(esr_system_info[0], "protocal"),
  96         "productName": ignore_case_get(sdnc_info_aai, "product-name"),
  97         "type": ignore_case_get(esr_system_info[0], "type"),
  98         "createTime": "2016-07-18 12:22:53"
  99     }
 100     return sdnc_info
 101
 102
 103 def get_vnfm_by_id(vnfm_inst_id):
 104     uri = '/external-system/esr-vnfm-list/esr-vnfm/%s' % vnfm_inst_id
 105     ret = call_aai(uri, "GET")
 106     if ret[0] > 0:
 107         logger.error('Send get VNFM information request to extsys failed.')
 108         raise NSLCMException('Send get VNFM information request to extsys failed.')
 109     # convert vnfm_info_aai to internal vnfm_info
 110     vnfm_info_aai = json.JSONDecoder().decode(ret[1])
 111     vnfm_info = convert_vnfm_info(vnfm_info_aai)
 112     return vnfm_info
 113
 114
 115 def convert_vnfm_info(vnfm_info_aai):
 116     esr_system_info = ignore_case_get(ignore_case_get(vnfm_info_aai, "esr-system-info-list"), "esr-system-info")
 117     vnfm_info = {
 118         "vnfmId": vnfm_info_aai["vnfm-id"],
 119         "name": vnfm_info_aai["vnfm-id"],
 120         "type": ignore_case_get(esr_system_info[0], "type"),
 121         "vimId": vnfm_info_aai["vim-id"],
 122         "vendor": ignore_case_get(esr_system_info[0], "vendor"),
 123         "version": ignore_case_get(esr_system_info[0], "version"),
 124         "description": "vnfm",
 125         "certificateUrl": vnfm_info_aai["certificate-url"],
 126         "url": ignore_case_get(esr_system_info[0], "service-url"),
 127         "userName": ignore_case_get(esr_system_info[0], "user-name"),
 128         "password": ignore_case_get(esr_system_info[0], "password"),
 129         "createTime": "2016-07-06 15:33:18"
 130     }
 131     return vnfm_info
 132
 133
 134 def select_vnfm(vnfm_type, vim_id):
 135     uri = '/external-system/esr-vnfm-list'
 136     ret = call_aai(uri, "GET")
 137     if ret[0] > 0:
 138         logger.error("Failed to call %s: %s", uri, ret[1])
 139         raise NSLCMException('Failed to get vnfms from extsys.')
 140     vnfms = json.JSONDecoder().decode(ret[1])
 141     vnfms = ignore_case_get(vnfms, "esr-vnfm")
 142     for vnfm in vnfms:
 143         esr_system_info = ignore_case_get(vnfm, "esr-system-info")
 144         type = ignore_case_get(esr_system_info, "type")
 145         vimId = vnfm["vnfm-id"]
 146         if type == vnfm_type and vimId == vim_id:
 147             # convert vnfm_info_aai to internal vnfm_info
 148             vnfm = convert_vnfm_info(vnfm)
 149             return vnfm
 150     raise NSLCMException('No vnfm found with %s in vim(%s)' % (vnfm_type, vim_id))