mirror of https://github.com/hashicorp/consul
29 lines
495 B
Go
29 lines
495 B
Go
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package lib
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import (
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"github.com/hashicorp/go-uuid"
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)
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// UUIDCheckFunc should determine whether the given UUID is actually
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// unique and allowed to be used
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type UUIDCheckFunc func(string) (bool, error)
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func GenerateUUID(checkFn UUIDCheckFunc) (string, error) {
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for {
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id, err := uuid.GenerateUUID()
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if err != nil {
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return "", err
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}
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if checkFn == nil {
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return id, nil
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}
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if ok, err := checkFn(id); err != nil {
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return "", err
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} else if ok {
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return id, nil
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}
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}
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}
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