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Add qemu CSP for disk-mapper

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Signed-off-by: Daniel Weiße <dw@edgeless.systems>
This commit is contained in:
Daniel Weiße 2022-04-21 16:28:47 +02:00 committed by Daniel Weiße
parent dcdfae141d
commit 889f6cb7d3
1 changed files with 13 additions and 13 deletions
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26
state/cmd/main.go
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@ -4,6 +4,7 @@ import (
"context" "context"
"flag" "flag"
"fmt" "fmt"
"log"
"os" "os"
"path/filepath" "path/filepath"
"strings" "strings"
@ -11,6 +12,7 @@ import (
"github.com/edgelesssys/constellation/coordinator/attestation/azure" "github.com/edgelesssys/constellation/coordinator/attestation/azure"
"github.com/edgelesssys/constellation/coordinator/attestation/gcp" "github.com/edgelesssys/constellation/coordinator/attestation/gcp"
"github.com/edgelesssys/constellation/coordinator/attestation/qemu"
"github.com/edgelesssys/constellation/coordinator/attestation/vtpm" "github.com/edgelesssys/constellation/coordinator/attestation/vtpm"
azurecloud "github.com/edgelesssys/constellation/coordinator/cloudprovider/azure" azurecloud "github.com/edgelesssys/constellation/coordinator/cloudprovider/azure"
gcpcloud "github.com/edgelesssys/constellation/coordinator/cloudprovider/gcp" gcpcloud "github.com/edgelesssys/constellation/coordinator/cloudprovider/gcp"
@ -25,7 +27,7 @@ import (
const ( const (
gcpStateDiskPath = "/dev/disk/by-id/google-state-disk" gcpStateDiskPath = "/dev/disk/by-id/google-state-disk"
azureStateDiskPath = "/dev/disk/azure/scsi1/lun0" azureStateDiskPath = "/dev/disk/azure/scsi1/lun0"
fallBackPath = "/dev/disk/by-id/state-disk" qemuStateDiskPath = "/dev/vda"
) )
var csp = flag.String("csp", "", "Cloud Service Provider the image is running on") var csp = flag.String("csp", "", "Cloud Service Provider the image is running on")
@ -33,6 +35,8 @@ var csp = flag.String("csp", "", "Cloud Service Provider the image is running on
func main() { func main() {
flag.Parse() flag.Parse()
log.Printf("Starting disk-mapper for csp %q\n", *csp)
// set up metadata API and quote issuer for aTLS connections // set up metadata API and quote issuer for aTLS connections
var err error var err error
var diskPathErr error var diskPathErr error
@ -57,21 +61,17 @@ func main() {
} }
metadata = gcpcloud.New(gcpClient) metadata = gcpcloud.New(gcpClient)
default: case "qemu":
diskPath, err = filepath.EvalSymlinks(fallBackPath) diskPath = qemuStateDiskPath
if err != nil { issuer = qemu.NewIssuer()
utils.KernelPanic(err) fmt.Fprintf(os.Stderr, "warning: cloud services are not supported for csp %q\n", *csp)
}
issuer = core.NewMockIssuer()
fmt.Fprintf(os.Stderr, "warning: csp %q is not supported, unable to automatically request decryption keys on reboot\n", *csp)
metadata = &core.ProviderMetadataFake{} metadata = &core.ProviderMetadataFake{}
default:
diskPathErr = fmt.Errorf("csp %q is not supported by Constellation", *csp)
} }
if diskPathErr != nil { if diskPathErr != nil {
fmt.Fprintf(os.Stderr, "warning: no attached disk detected, trying to use boot-disk state partition as fallback") utils.KernelPanic(fmt.Errorf("unable to determine state disk path: %w", diskPathErr))
diskPath, err = filepath.EvalSymlinks(fallBackPath)
if err != nil {
utils.KernelPanic(err)
}
} }
// initialize device mapper // initialize device mapper