constellation/image/upload/internal/cmd/gcp.go

104 lines
2.6 KiB
Go

/*
Copyright (c) Edgeless Systems GmbH
SPDX-License-Identifier: AGPL-3.0-only
*/
package cmd
import (
"fmt"
"io"
"os"
"github.com/edgelesssys/constellation/v2/internal/logger"
"github.com/edgelesssys/constellation/v2/internal/osimage"
"github.com/edgelesssys/constellation/v2/internal/osimage/archive"
gcpupload "github.com/edgelesssys/constellation/v2/internal/osimage/gcp"
"github.com/spf13/cobra"
)
// newGCPCommand returns the command that uploads an OS image to GCP.
func newGCPCommand() *cobra.Command {
cmd := &cobra.Command{
Use: "gcp",
Short: "Upload OS image to GCP",
Long: "Upload OS image to GCP.",
Args: cobra.ExactArgs(0),
RunE: runGCP,
}
cmd.Flags().String("gcp-project", "constellation-images", "GCP project to use")
cmd.Flags().String("gcp-location", "europe-west3", "GCP location to use")
cmd.Flags().String("gcp-bucket", "constellation-images", "GCP bucket to use")
return cmd
}
func runGCP(cmd *cobra.Command, _ []string) error {
workdir := os.Getenv("BUILD_WORKING_DIRECTORY")
if len(workdir) > 0 {
must(os.Chdir(workdir))
}
flags, err := parseGCPFlags(cmd)
if err != nil {
return err
}
log := logger.New(logger.PlainLog, flags.logLevel)
log.Debugf("Parsed flags: %+v", flags)
archiveC, archiveCClose, err := archive.New(cmd.Context(), flags.region, flags.bucket, flags.distributionID, log)
if err != nil {
return err
}
defer func() {
if err := archiveCClose(cmd.Context()); err != nil {
log.Errorf("closing archive client: %v", err)
}
}()
uploadC, err := gcpupload.New(cmd.Context(), flags.gcpProject, flags.gcpLocation, flags.gcpBucket, log)
if err != nil {
return fmt.Errorf("uploading image: %w", err)
}
file, err := os.Open(flags.rawImage)
if err != nil {
return fmt.Errorf("uploading image: opening image file %w", err)
}
defer file.Close()
size, err := file.Seek(0, io.SeekEnd)
if err != nil {
return err
}
if _, err := file.Seek(0, io.SeekStart); err != nil {
return err
}
out := cmd.OutOrStdout()
if len(flags.out) > 0 {
outF, err := os.Create(flags.out)
if err != nil {
return fmt.Errorf("uploading image: opening output file %w", err)
}
defer outF.Close()
out = outF
}
sbDatabase, uefiVarStore, err := loadSecureBootKeys(flags.pki)
if err != nil {
return err
}
uploadReq := &osimage.UploadRequest{
Provider: flags.provider,
Version: flags.version,
AttestationVariant: flags.attestationVariant,
SBDatabase: sbDatabase,
UEFIVarStore: uefiVarStore,
Size: size,
Timestamp: flags.timestamp,
Image: file,
}
return uploadImage(cmd.Context(), archiveC, uploadC, uploadReq, out)
}