| // Copyright (c) HashiCorp, Inc. |
| // SPDX-License-Identifier: MPL-2.0 |
| |
| package statemgr |
| |
| import ( |
| "fmt" |
| |
| uuid "github.com/hashicorp/go-uuid" |
| ) |
| |
| // NewLineage generates a new lineage identifier string. A lineage identifier |
| // is an opaque string that is intended to be unique in space and time, chosen |
| // when state is recorded at a location for the first time and then preserved |
| // afterwards to allow Terraform to recognize when one state snapshot is a |
| // predecessor or successor of another. |
| func NewLineage() string { |
| lineage, err := uuid.GenerateUUID() |
| if err != nil { |
| panic(fmt.Errorf("Failed to generate lineage: %v", err)) |
| } |
| return lineage |
| } |
