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a8a074162f
Signed-off-by: longjiquan <jiquan.long@zilliz.com> Signed-off-by: longjiquan <jiquan.long@zilliz.com>
22 lines
787 B
Go
22 lines
787 B
Go
package migration
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type Migration interface {
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// Validate if migration can be executed. For example, higher version to lower version is not allowed.
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Validate() error
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// CheckCompatible check if target is compatible with source. If compatible, no migration should be executed.
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CheckCompatible() bool
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// CheckSessions check if any sessions are alive. Abort migration if any.
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CheckSessions() error
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// RegisterSession register session to avoid any other migration is also running, registered session will be deleted
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// as soon as possible after migration is done.
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RegisterSession() error
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// Backup source meta information.
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Backup() error
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// Migrate to target backend.
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Migrate() error
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// Rollback migration.
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Rollback() error
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// Stop complete the migration overflow.
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Stop()
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}
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