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60 lines
1.9 KiB
Go
60 lines
1.9 KiB
Go
// Copyright (c) The OpenTofu Authors
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// SPDX-License-Identifier: MPL-2.0
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// Copyright (c) 2023 HashiCorp, Inc.
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// SPDX-License-Identifier: MPL-2.0
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package statemgr
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// The functions in this file are helper wrappers for common sequences of
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// operations done against full state managers.
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import (
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"github.com/opentofu/opentofu/internal/states"
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"github.com/opentofu/opentofu/internal/states/statefile"
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"github.com/opentofu/opentofu/internal/tofu"
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"github.com/opentofu/opentofu/version"
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)
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// NewStateFile creates a new statefile.File object, with a newly-minted
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// lineage identifier and serial 0, and returns a pointer to it.
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func NewStateFile() *statefile.File {
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return &statefile.File{
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Lineage: NewLineage(),
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TerraformVersion: version.SemVer,
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State: states.NewState(),
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}
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}
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// RefreshAndRead refreshes the persistent snapshot in the given state manager
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// and then returns it.
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//
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// This is a wrapper around calling RefreshState and then State on the given
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// manager.
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func RefreshAndRead(mgr Storage) (*states.State, error) {
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err := mgr.RefreshState()
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if err != nil {
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return nil, err
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}
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return mgr.State(), nil
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}
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// WriteAndPersist writes a snapshot of the given state to the given state
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// manager's transient store and then immediately persists it.
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//
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// The caller must ensure that the given state is not concurrently modified
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// while this function is running, but it is safe to modify it after this
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// function has returned.
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//
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// If an error is returned, it is undefined whether the state has been saved
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// to the transient store or not, and so the only safe response is to bail
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// out quickly with a user-facing error. In situations where more control
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// is required, call WriteState and PersistState on the state manager directly
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// and handle their errors.
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func WriteAndPersist(mgr Storage, state *states.State, schemas *tofu.Schemas) error {
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err := mgr.WriteState(state)
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if err != nil {
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return err
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}
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return mgr.PersistState(schemas)
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}
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