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"""add dtls_fingerprint to ps_endpoints
Revision ID: b83645976fdd
Revises: f3d1c5d38b56
Create Date: 2017-08-03 09:01:49.558111
"""
# revision identifiers, used by Alembic.
revision = 'b83645976fdd'
down_revision = 'f3d1c5d38b56'
from alembic import op
import sqlalchemy as sa
from sqlalchemy.dialects.postgresql import ENUM
SHA_HASH_NAME = 'sha_hash_values'
SHA_HASH_VALUES = ['SHA-1', 'SHA-256']
def upgrade():
context = op.get_context()
if context.bind.dialect.name == 'postgresql':
enum = ENUM(*SHA_HASH_VALUES, name=SHA_HASH_NAME)
enum.create(op.get_bind(), checkfirst=False)
op.add_column('ps_endpoints',
sa.Column('dtls_fingerprint', ENUM(*SHA_HASH_VALUES,
name=SHA_HASH_NAME, create_type=False)))
def downgrade():
context = op.get_context()
op.drop_column('ps_endpoints', 'dtls_fingerprint')
if context.bind.dialect.name == 'postgresql':
enum = ENUM(*SHA_HASH_VALUES, name=SHA_HASH_NAME)
enum.drop(op.get_bind(), checkfirst=False)
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