Add framework for managing segment id pools.

Also added the virst implementation, vxlan, to the NVP driver.

quark/db/migration/alembic/versions/1bd7cff90384_add_segment_allocations.py

@@ -0,0 +1,72 @@
+"""add_segment_allocations
+
+Revision ID: 1bd7cff90384
+Revises: 374c1bdb4480
+Create Date: 2016-01-25 19:26:27.899610
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = '1bd7cff90384'
+down_revision = '374c1bdb4480'
+
+from alembic import op
+import sqlalchemy as sa
+
+
+def upgrade():
+    op.create_table(
+        'quark_segment_allocation_ranges',
+        sa.Column('id', sa.String(length=36), nullable=False),
+        sa.Column('created_at', sa.DateTime(), nullable=True),
+        sa.Column('segment_id', sa.String(length=36), nullable=True),
+        sa.Column('segment_type', sa.String(length=36), nullable=True),
+        sa.Column('first_id', sa.BigInteger(), nullable=False),
+        sa.Column('last_id', sa.BigInteger(), nullable=False),
+        sa.Column('do_not_use', sa.Boolean(), nullable=False),
+        sa.PrimaryKeyConstraint('id'),
+        mysql_engine='InnoDB'
+    )
+    op.create_index(op.f('ix_quark_segment_allocation_ranges_segment_id'),
+                    'quark_segment_allocation_ranges', ['segment_id'],
+                    unique=False)
+    op.create_index(op.f('ix_quark_segment_allocation_ranges_segment_type'),
+                    'quark_segment_allocation_ranges', ['segment_type'],
+                    unique=False)
+    op.create_table(
+        'quark_segment_allocations',
+        sa.Column('created_at', sa.DateTime(), nullable=True),
+        sa.Column('id', sa.BigInteger(), autoincrement=False,
+                  nullable=False),
+        sa.Column('segment_id', sa.String(length=36), nullable=False),
+        sa.Column('segment_type', sa.String(length=36), nullable=False),
+        sa.Column('segment_allocation_range_id', sa.String(length=36),
+                  nullable=True),
+        sa.Column('network_id', sa.String(length=36), nullable=True),
+        sa.Column('deallocated', sa.Boolean(), nullable=True),
+        sa.Column('deallocated_at', sa.DateTime(), nullable=True),
+        sa.ForeignKeyConstraint(['segment_allocation_range_id'],
+                                ['quark_segment_allocation_ranges.id'],
+                                ondelete='CASCADE'),
+        sa.PrimaryKeyConstraint('id', 'segment_id', 'segment_type'),
+        mysql_engine='InnoDB'
+    )
+    op.create_index(op.f('ix_quark_segment_allocations_deallocated'),
+                    'quark_segment_allocations', ['deallocated'],
+                    unique=False)
+    op.create_index(op.f('ix_quark_segment_allocations_deallocated_at'),
+                    'quark_segment_allocations', ['deallocated_at'],
+                    unique=False)
+
+
+def downgrade():
+    op.drop_index(op.f('ix_quark_segment_allocations_deallocated_at'),
+                  table_name='quark_segment_allocations')
+    op.drop_index(op.f('ix_quark_segment_allocations_deallocated'),
+                  table_name='quark_segment_allocations')
+    op.drop_table('quark_segment_allocations')
+    op.drop_index(op.f('ix_quark_segment_allocation_ranges_segment_type'),
+                  table_name='quark_segment_allocation_ranges')
+    op.drop_index(op.f('ix_quark_segment_allocation_ranges_segment_id'),
+                  table_name='quark_segment_allocation_ranges')
+    op.drop_table('quark_segment_allocation_ranges')

quark/db/migration/alembic/versions/HEAD

@@ -1 +1 @@
-374c1bdb4480
+1bd7cff90384