55 lines
2 KiB
Python
55 lines
2 KiB
Python
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from storage import get_storage_driver, TYPE_LOCAL_STORAGE
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from util.config.validators import BaseValidator, ConfigValidationException
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class StorageValidator(BaseValidator):
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name = "registry-storage"
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@classmethod
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def validate(cls, validator_context):
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""" Validates registry storage. """
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config = validator_context.config
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client = validator_context.http_client
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ip_resolver = validator_context.ip_resolver
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config_provider = validator_context.config_provider
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replication_enabled = config.get('FEATURE_STORAGE_REPLICATION', False)
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providers = _get_storage_providers(config, ip_resolver, config_provider).items()
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if not providers:
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raise ConfigValidationException('Storage configuration required')
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for name, (storage_type, driver) in providers:
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# We can skip localstorage validation, since we can't guarantee that
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# this will be the same machine Q.E. will run under
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if storage_type == TYPE_LOCAL_STORAGE:
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continue
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try:
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if replication_enabled and storage_type == 'LocalStorage':
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raise ConfigValidationException('Locally mounted directory not supported ' +
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'with storage replication')
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# Run validation on the driver.
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driver.validate(client)
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# Run setup on the driver if the read/write succeeded.
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driver.setup()
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except Exception as ex:
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msg = str(ex).strip().split("\n")[0]
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raise ConfigValidationException('Invalid storage configuration: %s: %s' % (name, msg))
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def _get_storage_providers(config, ip_resolver, config_provider):
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storage_config = config.get('DISTRIBUTED_STORAGE_CONFIG', {})
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drivers = {}
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try:
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for name, parameters in storage_config.items():
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driver = get_storage_driver(None, None, None, config_provider, ip_resolver, parameters)
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drivers[name] = (parameters[0], driver)
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except TypeError:
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raise ConfigValidationException('Missing required parameter(s) for storage %s' % name)
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return drivers
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