constellation/kms/cmd/main.go
Thomas Tendyck bd63aa3c6b add license headers
sed -i '1i/*\nCopyright (c) Edgeless Systems GmbH\n\nSPDX-License-Identifier: AGPL-3.0-only\n*/\n' `grep -rL --include='*.go' 'DO NOT EDIT'`
gofumpt -w .
2022-09-05 09:17:25 +02:00

73 lines
2.6 KiB
Go

/*
Copyright (c) Edgeless Systems GmbH
SPDX-License-Identifier: AGPL-3.0-only
*/
package main
import (
"context"
"encoding/base64"
"errors"
"flag"
"path/filepath"
"strconv"
"time"
"github.com/edgelesssys/constellation/internal/constants"
"github.com/edgelesssys/constellation/internal/crypto"
"github.com/edgelesssys/constellation/internal/file"
"github.com/edgelesssys/constellation/internal/logger"
"github.com/edgelesssys/constellation/kms/internal/server"
"github.com/edgelesssys/constellation/kms/setup"
"github.com/spf13/afero"
"go.uber.org/zap"
)
func main() {
port := flag.String("port", strconv.Itoa(constants.KMSPort), "Port gRPC server listens on")
masterSecretPath := flag.String("master-secret", filepath.Join(constants.ServiceBasePath, constants.ConstellationMasterSecretKey), "Path to the Constellation master secret")
saltPath := flag.String("salt", filepath.Join(constants.ServiceBasePath, constants.ConstellationMasterSecretSalt), "Path to the Constellation salt")
verbosity := flag.Int("v", 0, logger.CmdLineVerbosityDescription)
flag.Parse()
log := logger.New(logger.JSONLog, logger.VerbosityFromInt(*verbosity))
log.With(zap.String("version", constants.VersionInfo)).
Infof("Constellation Key Management Service")
// read master secret and salt
file := file.NewHandler(afero.NewOsFs())
masterKey, err := file.Read(*masterSecretPath)
if err != nil {
log.With(zap.Error(err)).Fatalf("Failed to read master secret")
}
if len(masterKey) < crypto.MasterSecretLengthMin {
log.With(zap.Error(errors.New("invalid key length"))).Fatalf("Provided master secret is smaller than the required minimum of %d bytes", crypto.MasterSecretLengthMin)
}
salt, err := file.Read(*saltPath)
if err != nil {
log.With(zap.Error(err)).Fatalf("Failed to read salt")
}
if len(salt) < crypto.RNGLengthDefault {
log.With(zap.Error(errors.New("invalid salt length"))).Fatalf("Expected salt to be %d bytes, but got %d", crypto.RNGLengthDefault, len(salt))
}
keyURI := setup.ClusterKMSURI + "?salt=" + base64.URLEncoding.EncodeToString(salt)
// set up Key Management Service
ctx, cancel := context.WithTimeout(context.Background(), 1*time.Minute)
defer cancel()
conKMS, err := setup.SetUpKMS(ctx, setup.NoStoreURI, keyURI)
if err != nil {
log.With(zap.Error(err)).Fatalf("Failed to setup KMS")
}
if err := conKMS.CreateKEK(ctx, "Constellation", masterKey); err != nil {
log.With(zap.Error(err)).Fatalf("Failed to create KMS KEK from MasterKey")
}
if err := server.New(log.Named("kms"), conKMS).Run(*port); err != nil {
log.With(zap.Error(err)).Fatalf("Failed to run KMS server")
}
}