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