o2ims/views/ocloud_view.py

   1 # Copyright (C) 2021 Wind River Systems, Inc.
   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 uuid
  16 import yaml
  17 import random
  18 import string
  19 from datetime import datetime
  20
  21 from o2common.service import unit_of_work
  22 from o2ims.views.ocloud_dto import SubscriptionDTO
  23 from o2ims.domain.subscription_obj import Subscription
  24
  25 from o2common.helper import o2logging
  26 from o2common.config import config
  27 logger = o2logging.get_logger(__name__)
  28
  29
  30 def oclouds(uow: unit_of_work.AbstractUnitOfWork):
  31     with uow:
  32         li = uow.oclouds.list()
  33     return [r.serialize() for r in li]
  34
  35
  36 def ocloud_one(ocloudid: str, uow: unit_of_work.AbstractUnitOfWork):
  37     with uow:
  38         first = uow.oclouds.get(ocloudid)
  39         return first.serialize() if first is not None else None
  40
  41
  42 def resource_types(uow: unit_of_work.AbstractUnitOfWork):
  43     with uow:
  44         li = uow.resource_types.list()
  45     return [r.serialize() for r in li]
  46
  47
  48 def resource_type_one(resourceTypeId: str,
  49                       uow: unit_of_work.AbstractUnitOfWork):
  50     with uow:
  51         first = uow.resource_types.get(resourceTypeId)
  52         return first.serialize() if first is not None else None
  53
  54
  55 def resource_pools(uow: unit_of_work.AbstractUnitOfWork):
  56     with uow:
  57         li = uow.resource_pools.list()
  58     return [r.serialize() for r in li]
  59
  60
  61 def resource_pool_one(resourcePoolId: str,
  62                       uow: unit_of_work.AbstractUnitOfWork):
  63     with uow:
  64         first = uow.resource_pools.get(resourcePoolId)
  65         return first.serialize() if first is not None else None
  66
  67
  68 def resources(resourcePoolId: str, uow: unit_of_work.AbstractUnitOfWork,
  69               **kwargs):
  70
  71     filter_kwargs = {}  # filter key should be the same with database name
  72     if 'resourceTypeName' in kwargs:
  73         resource_type_name = kwargs['resourceTypeName']
  74         with uow:
  75             # res_types = uow.resource_types.list()
  76             # restype_ids = [
  77             #     restype.resourceTypeId for restype in res_types
  78             #     if resourceTypeName == restype.name]
  79             # restype_id = '' if len(restype_ids) == 0 else restype_ids[0]
  80             res_type = uow.resource_types.get_by_name(resource_type_name)
  81             restype_id = '' if res_type is None else res_type.resourceTypeId
  82         filter_kwargs['resourceTypeId'] = restype_id
  83
  84         #     li = uow.resources.list(resourcePoolId)
  85         # return [r.serialize() for r in li if r.resourceTypeId == restype_id]
  86     if 'parentId' in kwargs:
  87         filter_kwargs['parentId'] = kwargs['parentId']
  88
  89     with uow:
  90         li = uow.resources.list(resourcePoolId, **filter_kwargs)
  91     return [r.serialize() for r in li]
  92
  93
  94 def resource_one(resourceId: str, uow: unit_of_work.AbstractUnitOfWork):
  95     with uow:
  96         first = uow.resources.get(resourceId)
  97         return first.serialize() if first is not None else None
  98
  99
 100 def deployment_managers(uow: unit_of_work.AbstractUnitOfWork):
 101     with uow:
 102         li = uow.deployment_managers.list()
 103     return [r.serialize() for r in li]
 104
 105
 106 def deployment_manager_one(deploymentManagerId: str,
 107                            uow: unit_of_work.AbstractUnitOfWork,
 108                            profile: str = 'params'):
 109     with uow:
 110         first = uow.deployment_managers.get(deploymentManagerId)
 111         if first is None:
 112             return first
 113         result = first.serialize()
 114
 115     if "params" == profile:
 116         pass
 117     elif "file" == profile and result.hasattr("profile"):
 118         p = result.pop("profile", None)
 119         result["profile"] = _gen_kube_config(deploymentManagerId, p)
 120     else:
 121         result.pop("profile", None)
 122
 123     return result
 124
 125
 126 def _gen_kube_config(dmId: str, kubeconfig: dict) -> dict:
 127
 128     # KUBECONFIG environment variable
 129     # reference:
 130     # https://kubernetes.io/docs/tasks/access-application-cluster/configure-access-multiple-clusters/
 131     data = {
 132         'apiVersion': 'v1',
 133         'clusters': [
 134             {
 135                 'cluster': {
 136                     'server':
 137                     kubeconfig.pop('cluster_api_endpoint', None),
 138                     'certificate-authority-data':
 139                     kubeconfig.pop('cluster_ca_cert', None),
 140                 },
 141                 'name': 'inf-cluster'
 142             }],
 143         'contexts': [
 144             {
 145                 'context': {
 146                     'cluster': 'inf-cluster',
 147                     'user': 'kubernetes-admin'
 148                 },
 149                 'name': 'kubernetes-admin@inf-cluster'
 150             }
 151         ],
 152         'current-context': 'kubernetes-admin@inf-cluster',
 153         'kind': 'Config',
 154         'preferences': {},
 155         'users': [
 156             {
 157                 'name': kubeconfig.pop('admin_user', None),
 158                 'user': {
 159                     'client-certificate-data':
 160                     kubeconfig.pop('admin_client_cert', None),
 161                     'client-key-data':
 162                     kubeconfig.pop('admin_client_key', None),
 163                 }
 164             }]
 165     }
 166
 167     # Generate a random key for tmp kube config file
 168     letters = string.ascii_uppercase
 169     random_key = ''.join(random.choice(letters) for i in range(10))
 170
 171     # Get datetime of now as tag of the tmp file
 172     current_time = datetime.now().strftime("%Y%m%d%H%M%S")
 173     tmp_file_name = random_key + "_" + current_time
 174
 175     # write down the yaml file of kubectl into tmp folder
 176     with open('/tmp/kubeconfig_' + tmp_file_name, 'w') as file:
 177         yaml.dump(data, file)
 178
 179     kubeconfig["kube_config_file"] = config.get_api_url() + \
 180         config.get_o2dms_api_base() + "/" + dmId + "/download/" + tmp_file_name
 181
 182     return kubeconfig
 183
 184
 185 def subscriptions(uow: unit_of_work.AbstractUnitOfWork):
 186     with uow:
 187         li = uow.subscriptions.list()
 188     return [r.serialize() for r in li]
 189
 190
 191 def subscription_one(subscriptionId: str,
 192                      uow: unit_of_work.AbstractUnitOfWork):
 193     with uow:
 194         first = uow.subscriptions.get(subscriptionId)
 195         return first.serialize() if first is not None else None
 196
 197
 198 def subscription_create(subscriptionDto: SubscriptionDTO.subscription,
 199                         uow: unit_of_work.AbstractUnitOfWork):
 200
 201     sub_uuid = str(uuid.uuid4())
 202     subscription = Subscription(
 203         sub_uuid, subscriptionDto['callback'],
 204         subscriptionDto['consumerSubscriptionId'],
 205         subscriptionDto['filter'])
 206     with uow:
 207         uow.subscriptions.add(subscription)
 208         uow.commit()
 209     return {"subscriptionId": sub_uuid}
 210
 211
 212 def subscription_delete(subscriptionId: str,
 213                         uow: unit_of_work.AbstractUnitOfWork):
 214     with uow:
 215         uow.subscriptions.delete(subscriptionId)
 216         uow.commit()
 217     return True