64 lines
2.2 KiB
Go
64 lines
2.2 KiB
Go
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package raft
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import "errors"
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var (
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// ErrClosed is returned when the log is closed.
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ErrClosed = errors.New("log closed")
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// ErrOpen is returned when opening a log that is already open.
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ErrOpen = errors.New("log already open")
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// ErrInitialized is returned when initializing a log that is already a
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// member of a cluster.
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ErrInitialized = errors.New("log already initialized")
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// ErrURLRequired is returned when opening a log without a URL set.
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ErrURLRequired = errors.New("url required")
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// ErrLogExists is returned when initializing an already existing log.
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ErrLogExists = errors.New("log exists")
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// ErrNotLeader is returned performing leader operations on a non-leader.
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ErrNotLeader = errors.New("not leader")
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// ErrStaleTerm is returned when a term is before the current term.
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ErrStaleTerm = errors.New("stale term")
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// ErrOutOfDateLog is returned when a candidate's log is not up to date.
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ErrOutOfDateLog = errors.New("out of date log")
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// ErrAlreadyVoted is returned when a vote has already been cast for
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// a different candidate in the same election term.
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ErrAlreadyVoted = errors.New("already voted")
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// ErrNodeNotFound is returned when referencing a non-existent node.
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ErrNodeNotFound = errors.New("node not found")
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// ErrInvalidNodeID is returned when using a node id of zero.
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ErrInvalidNodeID = errors.New("invalid node id")
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// ErrNodeURLRequired is returned a node config has no URL set.
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ErrNodeURLRequired = errors.New("node url required")
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// ErrDuplicateNodeID is returned when adding a node with an existing id.
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ErrDuplicateNodeID = errors.New("duplicate node id")
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// ErrDuplicateNodeURL is returned when adding a node with an existing URL.
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ErrDuplicateNodeURL = errors.New("duplicate node url")
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// ErrSnapshotRequired returned when reading from an out-of-order log.
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// The snapshot will be retrieved on the next reader request.
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ErrSnapshotRequired = errors.New("snapshot required")
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// ErrSnapshotting is returned when an action cannot be performed because
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// the log is in the middle of a snapshot.
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ErrSnapshotting = errors.New("snapshotting")
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)
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// Internal marker errors.
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var (
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errClosing = errors.New("closing marker")
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errTransitioning = errors.New("transitioning marker")
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)
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