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quay/data/migrations/versions/34c8ef052ec9_repo_mirror_columns.py
2019-11-22 09:08:29 -05:00

129 lines
5.2 KiB
Python

"""repo mirror columns
Revision ID: 34c8ef052ec9
Revises: c059b952ed76
Create Date: 2019-10-07 13:11:20.424715
"""
# revision identifiers, used by Alembic.
revision = '34c8ef052ec9'
down_revision = 'cc6778199cdb'
from alembic import op
from alembic import op as original_op
from data.migrations.progress import ProgressWrapper
from datetime import datetime
import sqlalchemy as sa
from sqlalchemy.dialects import mysql
from peewee import ForeignKeyField, DateTimeField, BooleanField
from data.database import (BaseModel, RepoMirrorType, RepoMirrorStatus, RepoMirrorRule, uuid_generator,
QuayUserField, Repository, IntegerField, JSONField)
from data.fields import EnumField as ClientEnumField, CharField, EncryptedCharField
import logging
logger = logging.getLogger(__name__)
BATCH_SIZE = 10
# Original model
class RepoMirrorConfig(BaseModel):
"""
Represents a repository to be mirrored and any additional configuration
required to perform the mirroring.
"""
repository = ForeignKeyField(Repository, index=True, unique=True, backref='mirror')
creation_date = DateTimeField(default=datetime.utcnow)
is_enabled = BooleanField(default=True)
# Mirror Configuration
mirror_type = ClientEnumField(RepoMirrorType, default=RepoMirrorType.PULL)
internal_robot = QuayUserField(allows_robots=True, null=True, backref='mirrorpullrobot',
robot_null_delete=True)
external_reference = CharField()
external_registry = CharField()
external_namespace = CharField()
external_repository = CharField()
external_registry_username = EncryptedCharField(max_length=2048, null=True)
external_registry_password = EncryptedCharField(max_length=2048, null=True)
external_registry_config = JSONField(default={})
# Worker Queuing
sync_interval = IntegerField() # seconds between syncs
sync_start_date = DateTimeField(null=True) # next start time
sync_expiration_date = DateTimeField(null=True) # max duration
sync_retries_remaining = IntegerField(default=3)
sync_status = ClientEnumField(RepoMirrorStatus, default=RepoMirrorStatus.NEVER_RUN)
sync_transaction_id = CharField(default=uuid_generator, max_length=36)
# Tag-Matching Rules
root_rule = ForeignKeyField(RepoMirrorRule)
def _iterate(model_class, clause):
while True:
has_rows = False
for row in list(model_class.select().where(clause).limit(BATCH_SIZE)):
has_rows = True
yield row
if not has_rows:
break
def upgrade(tables, tester, progress_reporter):
op = ProgressWrapper(original_op, progress_reporter)
logger.info('Migrating to external_reference from existing columns')
op.add_column('repomirrorconfig', sa.Column('external_reference', sa.Text(), nullable=True))
from app import app
if not app.config.get('SETUP_COMPLETE', False) or tester.is_testing:
for repo_mirror in _iterate(RepoMirrorConfig, (RepoMirrorConfig.external_reference >> None)):
repo = '%s/%s/%s' % (repo_mirror.external_registry, repo_mirror.external_namespace, repo_mirror.external_repository)
logger.info('migrating %s' % repo)
repo_mirror.external_reference = repo
repo_mirror.save()
op.drop_column('repomirrorconfig', 'external_registry')
op.drop_column('repomirrorconfig', 'external_namespace')
op.drop_column('repomirrorconfig', 'external_repository')
op.alter_column('repomirrorconfig', 'external_reference', nullable=False, existing_type=sa.Text())
tester.populate_column('repomirrorconfig', 'external_reference', tester.TestDataType.String)
def downgrade(tables, tester, progress_reporter):
op = ProgressWrapper(original_op, progress_reporter)
'''
This will downgrade existing data but may not exactly match previous data structure. If the
external_reference does not have three parts (registry, namespace, repository) then a failed
value is inserted.
'''
op.add_column('repomirrorconfig', sa.Column('external_registry', sa.String(length=255), nullable=True))
op.add_column('repomirrorconfig', sa.Column('external_namespace', sa.String(length=255), nullable=True))
op.add_column('repomirrorconfig', sa.Column('external_repository', sa.String(length=255), nullable=True))
from app import app
if not app.config.get('SETUP_COMPLETE', False):
logger.info('Restoring columns from external_reference')
for repo_mirror in _iterate(RepoMirrorConfig, (RepoMirrorConfig.external_registry >> None)):
logger.info('Restoring %s' % repo_mirror.external_reference)
parts = repo_mirror.external_reference.split('/', 2)
repo_mirror.external_registry = parts[0] if len(parts) >= 1 else 'DOWNGRADE-FAILED'
repo_mirror.external_namespace = parts[1] if len(parts) >= 2 else 'DOWNGRADE-FAILED'
repo_mirror.external_repository = parts[2] if len(parts) >= 3 else 'DOWNGRADE-FAILED'
repo_mirror.save()
op.drop_column('repomirrorconfig', 'external_reference')
op.alter_column('repomirrorconfig', 'external_registry', nullable=False, existing_type=sa.String(length=255))
op.alter_column('repomirrorconfig', 'external_namespace', nullable=False, existing_type=sa.String(length=255))
op.alter_column('repomirrorconfig', 'external_repository', nullable=False, existing_type=sa.String(length=255))