/usr/lib/python2.7/dist-packages/neutron_dynamic_routing/db/migration/alembic_migrations/versions/newton/contract/4cf8bc3edb66_rename_tenant_to_project.py is in python-neutron-dynamic-routing 2:9.0.0-1.2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 | # Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
#
"""rename tenant to project
Revision ID: 4cf8bc3edb66
Revises: 61cc795e43e8
Create Date: 2016-07-14 17:32:00.852342
"""
from alembic import op
import sqlalchemy as sa
from sqlalchemy.engine import reflection
from neutron.db import migration
# revision identifiers, used by Alembic.
revision = '4cf8bc3edb66'
down_revision = '61cc795e43e8'
# milestone identifier, used by neutron-db-manage
neutron_milestone = [migration.NEWTON]
_INSPECTOR = None
def get_inspector():
"""Reuse inspector"""
global _INSPECTOR
if _INSPECTOR:
return _INSPECTOR
bind = op.get_bind()
_INSPECTOR = reflection.Inspector.from_engine(bind)
return _INSPECTOR
def get_tables():
"""
Returns hardcoded list of tables which have ``tenant_id`` column.
The list is hardcoded to match the state of the schema when this
upgrade script is run.
"""
tables = [
'bgp_peers',
'bgp_speakers',
]
return tables
def get_columns(table):
"""Returns list of columns for given table."""
inspector = get_inspector()
return inspector.get_columns(table)
def get_data():
"""Returns combined list of tuples: [(table, column)].
The list is built from tables with a tenant_id column.
"""
output = []
tables = get_tables()
for table in tables:
columns = get_columns(table)
for column in columns:
if column['name'] == 'tenant_id':
output.append((table, column))
return output
def alter_column(table, column):
old_name = 'tenant_id'
new_name = 'project_id'
op.alter_column(
table_name=table,
column_name=old_name,
new_column_name=new_name,
existing_type=column['type'],
existing_nullable=column['nullable']
)
def recreate_index(index, table_name):
old_name = index['name']
new_name = old_name.replace('tenant', 'project')
op.drop_index(op.f(old_name), table_name)
op.create_index(new_name, table_name, ['project_id'])
def upgrade():
"""Code reused from
Change-Id: I87a8ef342ccea004731ba0192b23a8e79bc382dc
"""
inspector = get_inspector()
data = get_data()
for table, column in data:
alter_column(table, column)
indexes = inspector.get_indexes(table)
for index in indexes:
if 'tenant_id' in index['name']:
recreate_index(index, table)
def contract_creation_exceptions():
"""Special migration for the blueprint to support Keystone V3.
We drop all tenant_id columns and create project_id columns instead.
"""
return {
sa.Column: ['.'.join([table, 'project_id']) for table in get_tables()],
sa.Index: get_tables()
}
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