58 lines
1.8 KiB
Ruby
58 lines
1.8 KiB
Ruby
# frozen_string_literal: true
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module Gitlab
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module Database
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module MigrationHelpers
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module RestrictGitlabSchema
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extend ActiveSupport::Concern
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MigrationSkippedError = Class.new(StandardError)
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included do
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class_attribute :allowed_gitlab_schemas
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end
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class_methods do
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def restrict_gitlab_migration(gitlab_schema:)
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unless Gitlab::Database::GitlabSchema.schema_names.include?(gitlab_schema)
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raise "Unknown 'gitlab_schema: #{gitlab_schema}' specified. It needs to be one of: " \
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"#{Gitlab::Database::GitlabSchema.schema_names.to_a}"
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end
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self.allowed_gitlab_schemas = [gitlab_schema]
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end
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end
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def migrate(direction)
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if unmatched_schemas.any?
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# TODO: Today skipping migration would raise an exception.
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# Ideally, skipped migration should be ignored (not loaded), or softly ignored.
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# Read more in: https://gitlab.com/gitlab-org/gitlab/-/issues/355014
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raise MigrationSkippedError, "Current migration is skipped since it modifies "\
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"'#{self.class.allowed_gitlab_schemas}' which is outside of '#{allowed_schemas_for_connection}'"
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end
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Gitlab::Database::QueryAnalyzer.instance.within([validator_class]) do
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validator_class.allowed_gitlab_schemas = self.allowed_gitlab_schemas
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super
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end
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end
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private
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def validator_class
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Gitlab::Database::QueryAnalyzers::RestrictAllowedSchemas
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end
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def unmatched_schemas
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(self.allowed_gitlab_schemas || []) - allowed_schemas_for_connection
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end
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def allowed_schemas_for_connection
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Gitlab::Database.gitlab_schemas_for_connection(connection)
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end
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end
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end
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end
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end
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