mirror of
https://github.com/edgelesssys/constellation.git
synced 2024-12-25 07:29:38 -05:00
67 lines
2.5 KiB
Go
67 lines
2.5 KiB
Go
package main
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import (
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"context"
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"encoding/base64"
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"errors"
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"flag"
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"path/filepath"
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"strconv"
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"time"
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"github.com/edgelesssys/constellation/internal/constants"
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"github.com/edgelesssys/constellation/internal/crypto"
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"github.com/edgelesssys/constellation/internal/file"
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"github.com/edgelesssys/constellation/internal/logger"
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"github.com/edgelesssys/constellation/kms/internal/server"
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"github.com/edgelesssys/constellation/kms/setup"
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"github.com/spf13/afero"
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"go.uber.org/zap"
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)
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func main() {
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port := flag.String("port", strconv.Itoa(constants.KMSPort), "Port gRPC server listens on")
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masterSecretPath := flag.String("master-secret", filepath.Join(constants.ServiceBasePath, constants.ConstellationMasterSecretKey), "Path to the Constellation master secret")
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saltPath := flag.String("salt", filepath.Join(constants.ServiceBasePath, constants.ConstellationMasterSecretSalt), "Path to the Constellation salt")
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verbosity := flag.Int("v", 0, logger.CmdLineVerbosityDescription)
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flag.Parse()
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log := logger.New(logger.JSONLog, logger.VerbosityFromInt(*verbosity))
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log.With(zap.String("version", constants.VersionInfo)).
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Infof("Constellation Key Management Service")
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// read master secret and salt
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file := file.NewHandler(afero.NewOsFs())
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masterKey, err := file.Read(*masterSecretPath)
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if err != nil {
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log.With(zap.Error(err)).Fatalf("Failed to read master secret")
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}
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if len(masterKey) < crypto.MasterSecretLengthMin {
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log.With(zap.Error(errors.New("invalid key length"))).Fatalf("Provided master secret is smaller than the required minimum of %d bytes", crypto.MasterSecretLengthMin)
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}
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salt, err := file.Read(*saltPath)
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if err != nil {
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log.With(zap.Error(err)).Fatalf("Failed to read salt")
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}
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if len(salt) < crypto.RNGLengthDefault {
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log.With(zap.Error(errors.New("invalid salt length"))).Fatalf("Expected salt to be %d bytes, but got %d", crypto.RNGLengthDefault, len(salt))
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}
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keyURI := setup.ClusterKMSURI + "?salt=" + base64.URLEncoding.EncodeToString(salt)
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// set up Key Management Service
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ctx, cancel := context.WithTimeout(context.Background(), 1*time.Minute)
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defer cancel()
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conKMS, err := setup.SetUpKMS(ctx, setup.NoStoreURI, keyURI)
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if err != nil {
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log.With(zap.Error(err)).Fatalf("Failed to setup KMS")
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}
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if err := conKMS.CreateKEK(ctx, "Constellation", masterKey); err != nil {
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log.With(zap.Error(err)).Fatalf("Failed to create KMS KEK from MasterKey")
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}
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if err := server.New(log.Named("kms"), conKMS).Run(*port); err != nil {
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log.With(zap.Error(err)).Fatalf("Failed to run KMS server")
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}
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}
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