Package slinstance provides functionality for acquiring sqlliveness leases via sessions that have a unique id and expiration.

Package slprovider exposes an implementation of the sqlliveness.Provider interface.

IsActive returns whether the sqlliveness subsystem's migration to has been performed.

WaitForActive waits for the sqlliveness subsystem's migration to have been performed.

Instance represents a SQL tenant server instance and is responsible for maintaining at most once session for this instance and heart beating the current live one if it exists and otherwise creating a new live one.

Provider is a wrapper around the sqllivness subsystem for external consumption.

Reader abstracts over the state of session records.

Session represents a SQL instance lock with expiration.

SessionID represents an opaque identifier for a session.