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     vim_type_aai = vim_info_aai["cloud-type"]
  65     vim_type = vim_type_aai if vim_type_aai else "openstack"
  66     esr_system_info = ignore_case_get(ignore_case_get(vim_info_aai, "esr-system-info-list"), "esr-system-info")
  67     # tenants = ignore_case_get(vim_info_aai, "tenants")
  68     default_tenant = ignore_case_get(esr_system_info[0], "default-tenant")
  69     tenants = ignore_case_get(ignore_case_get(vim_info_aai, "tenants"), "tenant")
  70     tenant_id = ""
  71     for tenant_info in tenants:
  72         if tenant_info["tenant-name"] == default_tenant:
  73             tenant_id = tenant_info["tenant-id"]
  74             break
  75     vim_info = {
  76         "vimId": vim_id,
  77         "name": vim_id,
  78         "url": ignore_case_get(esr_system_info[0], "service-url"),
  79         "userName": ignore_case_get(esr_system_info[0], "user-name"),
  80         "password": ignore_case_get(esr_system_info[0], "password"),
  81         # "tenant": ignore_case_get(tenants[0], "tenant-id"),
  82         "tenantId": tenant_id,
  83         "tenant": default_tenant,
  84         "vendor": ignore_case_get(esr_system_info[0], "vendor"),
  85         "version": ignore_case_get(esr_system_info[0], "version"),
  86         "description": "vim",
  87         "domain": ignore_case_get(esr_system_info[0], "cloud-domain"),
  88         "type": vim_type,
  89         "createTime": "",
  90         "sslCacert": ignore_case_get(esr_system_info[0], "ssl-cacert"),
  91         "sslInsecure": str(ignore_case_get(esr_system_info[0], "ssl-insecure")),
  92         "status": ignore_case_get(esr_system_info[0], "system-status")
  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 NSLCMException("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     logger.debug("sdn_ontroller_id=%s, sdnc_info=%s", sdn_ontroller_id, sdnc_info)
 107     return sdnc_info
 108
 109
 110 def convert_sdnc_info(sdnc_info_aai):
 111     esr_system_info = ignore_case_get(ignore_case_get(sdnc_info_aai, "esr-system-info-list"), "esr-system-info")
 112     sdnc_info = {
 113         "sdnControllerId": sdnc_info_aai["thirdparty-sdnc-id"],
 114         "name": sdnc_info_aai["thirdparty-sdnc-id"],
 115         "url": ignore_case_get(esr_system_info[0], "service-url"),
 116         "userName": ignore_case_get(esr_system_info[0], "user-name"),
 117         "password": ignore_case_get(esr_system_info[0], "password"),
 118         "vendor": ignore_case_get(esr_system_info[0], "vendor"),
 119         "version": ignore_case_get(esr_system_info[0], "version"),
 120         "description": "",
 121         "protocol": ignore_case_get(esr_system_info[0], "protocal"),
 122         "productName": ignore_case_get(sdnc_info_aai, "product-name"),
 123         "type": ignore_case_get(esr_system_info[0], "type"),
 124         "createTime": ""
 125     }
 126     return sdnc_info
 127
 128
 129 def get_vnfm_by_id(vnfm_inst_id):
 130     uri = "/external-system/esr-vnfm-list/esr-vnfm/%s?depth=all" % vnfm_inst_id
 131     ret = call_aai(uri, "GET")
 132     if ret[0] > 0:
 133         logger.error('Send get VNFM information request to extsys failed.')
 134         raise NSLCMException('Send get VNFM information request to extsys failed.')
 135     # convert vnfm_info_aai to internal vnfm_info
 136     vnfm_info_aai = json.JSONDecoder().decode(ret[1])
 137     vnfm_info = convert_vnfm_info(vnfm_info_aai)
 138     logger.debug("vnfm_inst_id=%s, vnfm_info=%s", vnfm_inst_id, vnfm_info)
 139     return vnfm_info
 140
 141
 142 def convert_vnfm_info(vnfm_info_aai):
 143     esr_system_info = ignore_case_get(ignore_case_get(vnfm_info_aai, "esr-system-info-list"), "esr-system-info")
 144     vnfm_info = {
 145         "vnfmId": vnfm_info_aai["vnfm-id"],
 146         "name": vnfm_info_aai["vnfm-id"],
 147         "type": ignore_case_get(esr_system_info[0], "type"),
 148         "vimId": vnfm_info_aai["vim-id"],
 149         "vendor": ignore_case_get(esr_system_info[0], "vendor"),
 150         "version": ignore_case_get(esr_system_info[0], "version"),
 151         "description": "vnfm",
 152         "certificateUrl": vnfm_info_aai["certificate-url"],
 153         "url": ignore_case_get(esr_system_info[0], "service-url"),
 154         "userName": ignore_case_get(esr_system_info[0], "user-name"),
 155         "password": ignore_case_get(esr_system_info[0], "password"),
 156         "createTime": ""
 157     }
 158     return vnfm_info
 159
 160
 161 def select_vnfm(vnfm_type, vim_id):
 162     uri = "/external-system/esr-vnfm-list"
 163     ret = call_aai(uri, "GET")
 164     if ret[0] > 0:
 165         logger.error("Failed to call %s: %s", uri, ret[1])
 166         raise NSLCMException('Failed to get vnfms from extsys.')
 167     vnfms = json.JSONDecoder().decode(ret[1])
 168     vnfms = ignore_case_get(vnfms, "esr-vnfm")
 169     for vnfm in vnfms:
 170         vnfm_info = get_vnfm_by_id(vnfm.get("vnfm-id"))
 171         vnfmtype = ignore_case_get(vnfm_info, "type")
 172         vimid = ignore_case_get(vnfm_info, "vimId")
 173         if vnfmtype == vnfm_type and vimid == vim_id:
 174             return vnfm_info
 175     raise NSLCMException('No vnfm found with %s in vim(%s)' % (vnfm_type, vim_id))
 176
 177
 178 def get_ems_by_id(ems_inst_id):
 179     uri = "/external-system/esr-ems-list/esr-ems/%s?depth=all" % ems_inst_id
 180     ret = call_aai(uri, "GET")
 181     if ret[0] > 0:
 182         logger.error('Send get EMS information request to extsys failed.')
 183         raise NSLCMException('Send get EMS information request to extsys failed.')
 184     # convert vnfm_info_aai to internal vnfm_info
 185     ems_info_aai = json.JSONDecoder().decode(ret[1])
 186     ems_info = convert_ems_info(ems_info_aai)
 187     logger.debug("ems_inst_id=%s, ems_info=%s", ems_inst_id, ems_info)
 188     return ems_info
 189
 190
 191 def convert_ems_info(ems_info_aai):
 192     esr_system_info = ignore_case_get(ignore_case_get(ems_info_aai, "esr-system-info-list"), "esr-system-info")
 193     ems_info_aai = {
 194         "emsId": ems_info_aai["ems-id"],
 195         "type": ignore_case_get(esr_system_info[0], "type"),
 196         "vendor": ignore_case_get(esr_system_info[0], "vendor"),
 197         "version": ignore_case_get(esr_system_info[0], "version"),
 198         "url": ignore_case_get(esr_system_info[0], "service-url"),
 199         "userName": ignore_case_get(esr_system_info[0], "user-name"),
 200         "password": ignore_case_get(esr_system_info[0], "password"),
 201         "createTime": ""
 202     }
 203     return ems_info_aai