o2ims/adapter/orm.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 # from typing_extensions import Required
  16 from retry import retry
  17 from sqlalchemy import (
  18     Table,
  19     MetaData,
  20     Column,
  21     Integer,
  22     String,
  23     Text,
  24     Enum,
  25     # Date,
  26     DateTime,
  27     ForeignKey,
  28     # Boolean,
  29     # engine,
  30     # event,
  31     exc,
  32 )
  33
  34 from sqlalchemy.orm import mapper, relationship
  35 # from sqlalchemy.sql.sqltypes import Integer
  36
  37 from o2ims.domain import ocloud as ocloudModel
  38 from o2ims.domain import subscription_obj as subModel
  39 from o2ims.domain import configuration_obj as confModel
  40 from o2ims.domain.resource_type import ResourceTypeEnum
  41
  42 from o2common.helper import o2logging
  43 logger = o2logging.get_logger(__name__)
  44
  45 metadata = MetaData()
  46
  47 ocloud = Table(
  48     "ocloud",
  49     metadata,
  50     Column("updatetime", DateTime),
  51     Column("createtime", DateTime),
  52     Column("hash", String(255)),
  53     Column("version_number", Integer),
  54
  55     Column("oCloudId", String(255), primary_key=True),
  56     Column("globalcloudId", String(255)),
  57     Column("name", String(255)),
  58     Column("description", String(255)),
  59     Column("infrastructureManagementServiceEndpoint", String(255))
  60     # Column("extensions", String(1024))
  61 )
  62
  63 resourcetype = Table(
  64     "resourcetype",
  65     metadata,
  66     Column("updatetime", DateTime),
  67     Column("createtime", DateTime),
  68     Column("hash", String(255)),
  69
  70     Column("resourceTypeId", String(255), primary_key=True),
  71     Column("resourceTypeEnum", Enum(
  72         ResourceTypeEnum, native_enum=False), nullable=False),
  73     Column("oCloudId", ForeignKey("ocloud.oCloudId")),
  74     Column("name", String(255)),
  75     Column("vendor", String(255)),
  76     Column("model", String(255)),
  77     Column("version", String(255)),
  78     Column("description", String(255)),
  79     # Column("extensions", String(1024))
  80 )
  81
  82 resourcepool = Table(
  83     "resourcepool",
  84     metadata,
  85     Column("updatetime", DateTime),
  86     Column("createtime", DateTime),
  87     Column("hash", String(255)),
  88     Column("version_number", Integer),
  89
  90     Column("resourcePoolId", String(255), primary_key=True),
  91     Column("oCloudId", ForeignKey("ocloud.oCloudId")),
  92     Column("globalLocationId", String(255)),
  93     Column("name", String(255)),
  94     Column("location", String(255)),
  95     Column("description", String(255)),
  96     # Column("resources", String(1024))
  97     # Column("extensions", String(1024))
  98 )
  99
 100 resource = Table(
 101     "resource",
 102     metadata,
 103     Column("updatetime", DateTime),
 104     Column("createtime", DateTime),
 105     Column("hash", String(255)),
 106     Column("version_number", Integer),
 107
 108     Column("resourceId", String(255), primary_key=True),
 109     Column("resourceTypeId", ForeignKey("resourcetype.resourceTypeId")),
 110     Column("resourcePoolId", ForeignKey("resourcepool.resourcePoolId")),
 111     Column("name", String(255)),
 112     # Column("globalAssetId", String(255)),
 113     Column("parentId", String(255)),
 114     Column("description", String(255)),
 115     Column("elements", Text())
 116     # Column("extensions", String(1024))
 117 )
 118
 119 deploymentmanager = Table(
 120     "deploymentmanager",
 121     metadata,
 122     Column("updatetime", DateTime),
 123     Column("createtime", DateTime),
 124     Column("hash", String(255)),
 125     Column("version_number", Integer),
 126
 127     Column("deploymentManagerId", String(255), primary_key=True),
 128     Column("oCloudId", ForeignKey("ocloud.oCloudId")),
 129     Column("name", String(255)),
 130     Column("description", String(255)),
 131     Column("deploymentManagementServiceEndpoint", String(255)),
 132     Column("supportedLocations", String(255)),
 133     Column("capabilities", String(255)),
 134     Column("capacity", String(255)),
 135     # Column("extensions", String(1024))
 136 )
 137
 138 subscription = Table(
 139     "subscription",
 140     metadata,
 141     Column("updatetime", DateTime),
 142     Column("createtime", DateTime),
 143     Column("hash", String(255)),
 144     Column("version_number", Integer),
 145
 146     Column("subscriptionId", String(255), primary_key=True),
 147     Column("callback", String(255)),
 148     Column("consumerSubscriptionId", String(255)),
 149     Column("filter", String(255)),
 150 )
 151
 152 configuration = Table(
 153     "configuration",
 154     metadata,
 155     Column("updatetime", DateTime),
 156     Column("createtime", DateTime),
 157
 158     Column("configurationId", String(255), primary_key=True),
 159     Column("conftype", String(255)),
 160     Column("callback", String(255)),
 161     Column("status", String(255)),
 162     Column("comments", String(255)),
 163 )
 164
 165
 166 @retry((exc.IntegrityError), tries=3, delay=2)
 167 def wait_for_metadata_ready(engine):
 168     # wait for mapper ready
 169     metadata.create_all(engine, checkfirst=True)
 170     logger.info("metadata is ready")
 171
 172
 173 def start_o2ims_mappers(engine=None):
 174     logger.info("Starting O2 IMS mappers")
 175
 176     dm_mapper = mapper(ocloudModel.DeploymentManager, deploymentmanager)
 177     resourcepool_mapper = mapper(ocloudModel.ResourcePool, resourcepool)
 178     resourcetype_mapper = mapper(ocloudModel.ResourceType, resourcetype)
 179     mapper(
 180         ocloudModel.Ocloud,
 181         ocloud,
 182         properties={
 183             "deploymentManagers": relationship(dm_mapper),
 184             "resourceTypes": relationship(resourcetype_mapper),
 185             "resourcePools": relationship(resourcepool_mapper)
 186         })
 187     mapper(
 188         ocloudModel.Resource,
 189         resource,
 190         properties={
 191             "resourceTypes": relationship(resourcetype_mapper),
 192             "resourcePools": relationship(resourcepool_mapper)
 193         }
 194     )
 195     mapper(subModel.Subscription, subscription)
 196     mapper(confModel.Configuration, configuration)
 197
 198     if engine is not None:
 199         wait_for_metadata_ready(engine)