Added registration migration

migrations/versions/5dfa048b8215_added_registrations.py

@@ -0,0 +1,41 @@
+"""added registrations
+
+Revision ID: 5dfa048b8215
+Revises: 294a2085f840
+Create Date: 2021-09-22 19:35:23.584306
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '5dfa048b8215'
+down_revision = '294a2085f840'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('registration',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('name', sa.String(length=255), nullable=False),
+    sa.Column('routing_key', sa.String(length=255), nullable=False),
+    sa.PrimaryKeyConstraint('id'),
+    sa.UniqueConstraint('name')
+    )
+    op.create_table('registration_target',
+    sa.Column('registration', sa.Integer(), nullable=True),
+    sa.Column('target', sa.Integer(), nullable=True),
+    sa.ForeignKeyConstraint(['registration'], ['target.id'], ),
+    sa.ForeignKeyConstraint(['target'], ['registration.id'], )
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table('registration_target')
+    op.drop_table('registration')
+    # ### end Alembic commands ###