mirror of
https://github.com/edgelesssys/constellation.git
synced 2024-10-01 01:36:09 -04:00
102 lines
2.8 KiB
Go
102 lines
2.8 KiB
Go
/*
|
|
Copyright (c) Edgeless Systems GmbH
|
|
|
|
SPDX-License-Identifier: AGPL-3.0-only
|
|
*/
|
|
|
|
package cmd
|
|
|
|
import (
|
|
"encoding/json"
|
|
"fmt"
|
|
"os"
|
|
|
|
"github.com/edgelesssys/constellation/v2/internal/attestation/measurements"
|
|
"github.com/edgelesssys/constellation/v2/internal/logger"
|
|
"github.com/spf13/cobra"
|
|
)
|
|
|
|
// newMeasurementsEnvelopeCmd creates a new envelope command.
|
|
func newMeasurementsEnvelopeCmd() *cobra.Command {
|
|
cmd := &cobra.Command{
|
|
Use: "envelope",
|
|
Short: "Envelope OS image measurements",
|
|
Long: "Envelope OS image measurements for one variant to follow the measurements v2 format.",
|
|
Args: cobra.ExactArgs(0),
|
|
RunE: runEnvelopeMeasurements,
|
|
}
|
|
|
|
cmd.SetOut(os.Stdout)
|
|
cmd.Flags().String("version", "", "Shortname of the os image version.")
|
|
cmd.Flags().String("csp", "", "CSP of this image measurement.")
|
|
cmd.Flags().String("attestation-variant", "", "Attestation variant of the image measurements.")
|
|
cmd.Flags().String("in", "", "Path to read the raw measurements from.")
|
|
cmd.Flags().String("out", "", "Optional path to write the enveloped result to. If not set, the result is written to stdout.")
|
|
cmd.Flags().Bool("verbose", false, "Enable verbose output")
|
|
|
|
must(cmd.MarkFlagRequired("version"))
|
|
must(cmd.MarkFlagRequired("csp"))
|
|
must(cmd.MarkFlagRequired("attestation-variant"))
|
|
must(cmd.MarkFlagRequired("in"))
|
|
|
|
return cmd
|
|
}
|
|
|
|
func runEnvelopeMeasurements(cmd *cobra.Command, _ []string) error {
|
|
workdir := os.Getenv("BUILD_WORKING_DIRECTORY")
|
|
if len(workdir) > 0 {
|
|
must(os.Chdir(workdir))
|
|
}
|
|
|
|
flags, err := parseEnvelopeMeasurementsFlags(cmd)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
log := logger.New(logger.PlainLog, flags.logLevel)
|
|
log.Debugf("Parsed flags: %+v", flags)
|
|
|
|
f, err := os.Open(flags.in)
|
|
if err != nil {
|
|
return fmt.Errorf("enveloping measurements: opening input file: %w", err)
|
|
}
|
|
defer f.Close()
|
|
var measuremnt rawMeasurements
|
|
if err := json.NewDecoder(f).Decode(&measuremnt); err != nil {
|
|
return fmt.Errorf("enveloping measurements: reading input file: %w", err)
|
|
}
|
|
|
|
enveloped := measurements.ImageMeasurementsV2{
|
|
Ref: flags.version.Ref(),
|
|
Stream: flags.version.Stream(),
|
|
Version: flags.version.Version(),
|
|
List: []measurements.ImageMeasurementsV2Entry{
|
|
{
|
|
CSP: flags.csp,
|
|
AttestationVariant: flags.attestationVariant,
|
|
Measurements: measuremnt.Measurements,
|
|
},
|
|
},
|
|
}
|
|
|
|
out := cmd.OutOrStdout()
|
|
if len(flags.out) > 0 {
|
|
outF, err := os.Create(flags.out)
|
|
if err != nil {
|
|
return fmt.Errorf("enveloping measurements: opening output file: %w", err)
|
|
}
|
|
defer outF.Close()
|
|
out = outF
|
|
}
|
|
|
|
if err := json.NewEncoder(out).Encode(enveloped); err != nil {
|
|
return fmt.Errorf("enveloping measurements: writing output file: %w", err)
|
|
}
|
|
log.Infof("Enveloped image measurements")
|
|
return nil
|
|
}
|
|
|
|
type rawMeasurements struct {
|
|
Measurements measurements.M `json:"measurements"`
|
|
}
|