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https://github.com/edgelesssys/constellation.git
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690b50b29d
* Remove unused package * Add Go package docs to most packages Signed-off-by: Daniel Weiße <dw@edgeless.systems> Signed-off-by: Fabian Kammel <fk@edgeless.systems> Signed-off-by: Paul Meyer <49727155+katexochen@users.noreply.github.com> Co-authored-by: Paul Meyer <49727155+katexochen@users.noreply.github.com> Co-authored-by: Fabian Kammel <fk@edgeless.systems>
39 lines
1.0 KiB
Go
39 lines
1.0 KiB
Go
/*
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Copyright (c) Edgeless Systems GmbH
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SPDX-License-Identifier: AGPL-3.0-only
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*/
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// Package nodestate is used to persist the state of a Constellation node to disk.
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package nodestate
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import (
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"fmt"
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"github.com/edgelesssys/constellation/v2/internal/file"
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"github.com/edgelesssys/constellation/v2/internal/role"
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)
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const nodeStatePath = "/run/state/constellation/node_state.json"
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// NodeState is the state of a constellation node that is required to recover from a reboot.
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// Can be persisted to disk and reloaded later.
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type NodeState struct {
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Role role.Role
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MeasurementSalt []byte
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}
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// FromFile reads a NodeState from disk.
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func FromFile(fileHandler file.Handler) (*NodeState, error) {
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nodeState := &NodeState{}
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if err := fileHandler.ReadJSON(nodeStatePath, nodeState); err != nil {
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return nil, fmt.Errorf("loading node state: %w", err)
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}
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return nodeState, nil
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}
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// ToFile writes a NodeState to disk.
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func (nodeState *NodeState) ToFile(fileHandler file.Handler) error {
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return fileHandler.WriteJSON(nodeStatePath, nodeState, file.OptMkdirAll)
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}
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