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     logger.debug("vims_info=%s", vims_info)
  38     return vims_info
  39
  40
  41 def get_vim_by_id(vim_id):
  42     cloud_owner, cloud_region = split_vim_to_owner_region(vim_id)
  43     ret = call_aai("/cloud-infrastructure/cloud-regions/cloud-region/%s/%s?depth=all"
  44                    % (cloud_owner, cloud_region), "GET")
  45     if ret[0] != 0:
  46         logger.error("Status code is %s, detail is %s.", ret[2], ret[1])
  47         raise NSLCMException("Failed to query vim(%s) from extsys." % vim_id)
  48     # convert vim_info_aai to internal vim_info
  49     vim_info_aai = json.JSONDecoder().decode(ret[1])
  50     vim_info = convert_vim_info(vim_info_aai)
  51     logger.debug("vim_id=%s, vim_info=%s", vim_id, vim_info)
  52     return vim_info
  53
  54
  55 def split_vim_to_owner_region(vim_id):
  56     split_vim = vim_id.split('_')
  57     cloud_owner = split_vim[0]
  58     cloud_region = "".join(split_vim[1:])
  59     return cloud_owner, cloud_region
  60
  61
  62 def convert_vim_info(vim_info_aai):
  63     vim_id = vim_info_aai["cloud-owner"] + "_" + vim_info_aai["cloud-region-id"]
  64     esr_system_info = ignore_case_get(ignore_case_get(vim_info_aai, "esr-system-info-list"), "esr-system-info")
  65     # tenants = ignore_case_get(vim_info_aai, "tenants")
  66     default_tenant = ignore_case_get(esr_system_info[0], "default-tenant")
  67     tenants = ignore_case_get(ignore_case_get(vim_info_aai, "tenants"), "tenant")
  68     tenant_id = ""
  69     for tenant_info in tenants:
  70         if tenant_info["tenant-name"] == default_tenant:
  71             tenant_id = tenant_info["tenant-id"]
  72             break
  73     vim_info = {
  74         "vimId": vim_id,
  75         "name": vim_id,
  76         "url": ignore_case_get(esr_system_info[0], "service-url"),
  77         "userName": ignore_case_get(esr_system_info[0], "user-name"),
  78         "password": ignore_case_get(esr_system_info[0], "password"),
  79         # "tenant": ignore_case_get(tenants[0], "tenant-id"),
  80         "tenantId": tenant_id,
  81         "tenant": default_tenant,
  82         "vendor": ignore_case_get(esr_system_info[0], "vendor"),
  83         "version": ignore_case_get(esr_system_info[0], "version"),
  84         "description": "vim",
  85         "domain": "",
  86         "type": ignore_case_get(esr_system_info[0], "type"),
  87         "createTime": "",
  88         "sslCacert": ignore_case_get(esr_system_info[0], "ssl-cacert"),
  89         "sslInsecure": str(ignore_case_get(esr_system_info[0], "ssl-insecure")),
  90         "status": ignore_case_get(esr_system_info[0], "system-status")
  91     }
  92     return vim_info
  93
  94
  95 def get_sdn_controller_by_id(sdn_ontroller_id):
  96     ret = call_aai("/external-system/esr-thirdparty-sdnc-list/esr-thirdparty-sdnc/%s?depth=all"
  97                    % sdn_ontroller_id, "GET")
  98     if ret[0] != 0:
  99         logger.error("Failed to query sdn ontroller(%s) from extsys. detail is %s.", sdn_ontroller_id, ret[1])
 100         raise NSLCMException("Failed to query sdn ontroller(%s) from extsys." % sdn_ontroller_id)
 101     # convert vim_info_aai to internal vim_info
 102     sdnc_info_aai = json.JSONDecoder().decode(ret[1])
 103     sdnc_info = convert_sdnc_info(sdnc_info_aai)
 104     logger.debug("sdn_ontroller_id=%s, sdnc_info=%s", sdn_ontroller_id, sdnc_info)
 105     return sdnc_info
 106
 107
 108 def convert_sdnc_info(sdnc_info_aai):
 109     esr_system_info = ignore_case_get(ignore_case_get(sdnc_info_aai, "esr-system-info-list"), "esr-system-info")
 110     sdnc_info = {
 111         "sdnControllerId": sdnc_info_aai["thirdparty-sdnc-id"],
 112         "name": sdnc_info_aai["thirdparty-sdnc-id"],
 113         "url": ignore_case_get(esr_system_info[0], "service-url"),
 114         "userName": ignore_case_get(esr_system_info[0], "user-name"),
 115         "password": ignore_case_get(esr_system_info[0], "password"),
 116         "vendor": ignore_case_get(esr_system_info[0], "vendor"),
 117         "version": ignore_case_get(esr_system_info[0], "version"),
 118         "description": "",
 119         "protocol": ignore_case_get(esr_system_info[0], "protocal"),
 120         "productName": ignore_case_get(sdnc_info_aai, "product-name"),
 121         "type": ignore_case_get(esr_system_info[0], "type"),
 122         "createTime": ""
 123     }
 124     return sdnc_info
 125
 126
 127 def get_vnfm_by_id(vnfm_inst_id):
 128     uri = "/external-system/esr-vnfm-list/esr-vnfm/%s?depth=all" % vnfm_inst_id
 129     ret = call_aai(uri, "GET")
 130     if ret[0] > 0:
 131         logger.error('Send get VNFM information request to extsys failed.')
 132         raise NSLCMException('Send get VNFM information request to extsys failed.')
 133     # convert vnfm_info_aai to internal vnfm_info
 134     vnfm_info_aai = json.JSONDecoder().decode(ret[1])
 135     vnfm_info = convert_vnfm_info(vnfm_info_aai)
 136     logger.debug("vnfm_inst_id=%s, vnfm_info=%s", vnfm_inst_id, vnfm_info)
 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": ""
 155     }
 156     return vnfm_info
 157
 158
 159 def select_vnfm(vnfm_type, vim_id):
 160     uri = "/external-system/esr-vnfm-list"
 161     ret = call_aai(uri, "GET")
 162     if ret[0] > 0:
 163         logger.error("Failed to call %s: %s", uri, ret[1])
 164         raise NSLCMException('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         vnfm_info = get_vnfm_by_id(vnfm.get("vnfm-id"))
 169         vnfmtype = ignore_case_get(vnfm_info, "type")
 170         vimid = ignore_case_get(vnfm_info, "vimId")
 171         if vnfmtype == vnfm_type and vimid == vim_id:
 172             return vnfm_info
 173     raise NSLCMException('No vnfm found with %s in vim(%s)' % (vnfm_type, vim_id))