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
  53 def split_vim_to_owner_region(vim_id):
  54     split_vim = vim_id.split('_')
  55     cloud_owner = split_vim[0]
  56     cloud_region = "".join(split_vim[1:])
  57     return cloud_owner, cloud_region
  58
  59
  60 def convert_vim_info(vim_info_aai):
  61     vim_id = vim_info_aai["cloud-owner"] + "_" + vim_info_aai["cloud-region-id"]
  62     esr_system_info = ignore_case_get(ignore_case_get(vim_info_aai, "esr-system-info-list"), "esr-system-info")
  63     # tenants = ignore_case_get(vim_info_aai, "tenants")
  64     default_tenant = ignore_case_get(esr_system_info[0], "default-tenant")
  65     tenants = ignore_case_get(ignore_case_get(vim_info_aai, "tenants"), "tenant")
  66     tenant_id = ""
  67     for tenant_info in tenants:
  68         if tenant_info["tenant-name"] == default_tenant:
  69             tenant_id = tenant_info["tenant-id"]
  70             break
  71     vim_info = {
  72         "vimId": vim_id,
  73         "name": vim_id,
  74         "url": ignore_case_get(esr_system_info[0], "service-url"),
  75         "userName": ignore_case_get(esr_system_info[0], "user-name"),
  76         "password": ignore_case_get(esr_system_info[0], "password"),
  77         # "tenant": ignore_case_get(tenants[0], "tenant-id"),
  78         "tenantId": tenant_id,
  79         "tenant": default_tenant,
  80         "vendor": ignore_case_get(esr_system_info[0], "vendor"),
  81         "version": ignore_case_get(esr_system_info[0], "version"),
  82         "description": "vim",
  83         "domain": "",
  84         "type": ignore_case_get(esr_system_info[0], "type"),
  85         "createTime": "2016-07-18 12:22:53",
  86         "sslCacert": ignore_case_get(esr_system_info[0], "ssl-cacert"),
  87         "sslInsecure": ignore_case_get(esr_system_info[0], "ssl-insecure"),
  88         "status": ignore_case_get(esr_system_info[0], "system-status")
  89     }
  90     return vim_info
  91
  92
  93 def get_sdn_controller_by_id(sdn_ontroller_id):
  94     ret = call_aai("/external-system/esr-thirdparty-sdnc-list/esr-thirdparty-sdnc/%s?depth=all"
  95                    % sdn_ontroller_id, "GET")
  96     if ret[0] != 0:
  97         logger.error("Failed to query sdn ontroller(%s) from extsys. detail is %s.", sdn_ontroller_id, ret[1])
  98         raise NSLCMException("Failed to query sdn ontroller(%s) from extsys." % sdn_ontroller_id)
  99     # convert vim_info_aai to internal vim_info
 100     sdnc_info_aai = json.JSONDecoder().decode(ret[1])
 101     sdnc_info = convert_sdnc_info(sdnc_info_aai)
 102     return sdnc_info
 103
 104
 105 def convert_sdnc_info(sdnc_info_aai):
 106     esr_system_info = ignore_case_get(ignore_case_get(sdnc_info_aai, "esr-system-info-list"), "esr-system-info")
 107     sdnc_info = {
 108         "sdnControllerId": sdnc_info_aai["thirdparty-sdnc-id"],
 109         "name": sdnc_info_aai["thirdparty-sdnc-id"],
 110         "url": ignore_case_get(esr_system_info[0], "service-url"),
 111         "userName": ignore_case_get(esr_system_info[0], "user-name"),
 112         "password": ignore_case_get(esr_system_info[0], "password"),
 113         "vendor": ignore_case_get(esr_system_info[0], "vendor"),
 114         "version": ignore_case_get(esr_system_info[0], "version"),
 115         "description": "",
 116         "protocol": ignore_case_get(esr_system_info[0], "protocal"),
 117         "productName": ignore_case_get(sdnc_info_aai, "product-name"),
 118         "type": ignore_case_get(esr_system_info[0], "type"),
 119         "createTime": "2016-07-18 12:22:53"
 120     }
 121     return sdnc_info
 122
 123
 124 def get_vnfm_by_id(vnfm_inst_id):
 125     uri = "/external-system/esr-vnfm-list/esr-vnfm/%s?depth=all" % vnfm_inst_id
 126     ret = call_aai(uri, "GET")
 127     if ret[0] > 0:
 128         logger.error('Send get VNFM information request to extsys failed.')
 129         raise NSLCMException('Send get VNFM information request to extsys failed.')
 130     # convert vnfm_info_aai to internal vnfm_info
 131     vnfm_info_aai = json.JSONDecoder().decode(ret[1])
 132     vnfm_info = convert_vnfm_info(vnfm_info_aai)
 133     return vnfm_info
 134
 135
 136 def convert_vnfm_info(vnfm_info_aai):
 137     esr_system_info = ignore_case_get(ignore_case_get(vnfm_info_aai, "esr-system-info-list"), "esr-system-info")
 138     vnfm_info = {
 139         "vnfmId": vnfm_info_aai["vnfm-id"],
 140         "name": vnfm_info_aai["vnfm-id"],
 141         "type": ignore_case_get(esr_system_info[0], "type"),
 142         "vimId": vnfm_info_aai["vim-id"],
 143         "vendor": ignore_case_get(esr_system_info[0], "vendor"),
 144         "version": ignore_case_get(esr_system_info[0], "version"),
 145         "description": "vnfm",
 146         "certificateUrl": vnfm_info_aai["certificate-url"],
 147         "url": ignore_case_get(esr_system_info[0], "service-url"),
 148         "userName": ignore_case_get(esr_system_info[0], "user-name"),
 149         "password": ignore_case_get(esr_system_info[0], "password"),
 150         "createTime": "2016-07-06 15:33:18"
 151     }
 152     return vnfm_info
 153
 154
 155 def select_vnfm(vnfm_type, vim_id):
 156     uri = "/external-system/esr-vnfm-list"
 157     ret = call_aai(uri, "GET")
 158     if ret[0] > 0:
 159         logger.error("Failed to call %s: %s", uri, ret[1])
 160         raise NSLCMException('Failed to get vnfms from extsys.')
 161     vnfms = json.JSONDecoder().decode(ret[1])
 162     vnfms = ignore_case_get(vnfms, "esr-vnfm")
 163     for vnfm in vnfms:
 164         vnfm_info = get_vnfm_by_id(vnfm.get("vnfm-id"))
 165         vnfmtype = ignore_case_get(vnfm_info, "type")
 166         vimid = ignore_case_get(vnfm_info, "vimId")
 167         if vnfmtype == vnfm_type and vimid == vim_id:
 168             return vnfm_info
 169     raise NSLCMException('No vnfm found with %s in vim(%s)' % (vnfm_type, vim_id))