mirror of
https://github.com/edgelesssys/constellation.git
synced 2024-12-25 07:29:38 -05:00
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
/*
|
|
Copyright (c) Edgeless Systems GmbH
|
|
|
|
SPDX-License-Identifier: AGPL-3.0-only
|
|
*/
|
|
|
|
// Package nodestate is used to persist the state of a Constellation node to disk.
|
|
package nodestate
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
"github.com/edgelesssys/constellation/v2/internal/file"
|
|
"github.com/edgelesssys/constellation/v2/internal/role"
|
|
)
|
|
|
|
const nodeStatePath = "/run/state/constellation/node_state.json"
|
|
|
|
// NodeState is the state of a constellation node that is required to recover from a reboot.
|
|
// Can be persisted to disk and reloaded later.
|
|
type NodeState struct {
|
|
Role role.Role
|
|
MeasurementSalt []byte
|
|
}
|
|
|
|
// FromFile reads a NodeState from disk.
|
|
func FromFile(fileHandler file.Handler) (*NodeState, error) {
|
|
nodeState := &NodeState{}
|
|
if err := fileHandler.ReadJSON(nodeStatePath, nodeState); err != nil {
|
|
return nil, fmt.Errorf("loading node state: %w", err)
|
|
}
|
|
return nodeState, nil
|
|
}
|
|
|
|
// ToFile writes a NodeState to disk.
|
|
func (nodeState *NodeState) ToFile(fileHandler file.Handler) error {
|
|
return fileHandler.WriteJSON(nodeStatePath, nodeState, file.OptMkdirAll)
|
|
}
|