constellation/state/test/integration_test.go
2022-07-27 15:07:53 +02:00

143 lines
4.1 KiB
Go

//go:build integration
package integration
import (
"context"
"fmt"
"net"
"os"
"os/exec"
"testing"
"time"
"github.com/edgelesssys/constellation/bootstrapper/role"
"github.com/edgelesssys/constellation/internal/atls"
"github.com/edgelesssys/constellation/internal/cloud/metadata"
"github.com/edgelesssys/constellation/internal/grpc/atlscredentials"
"github.com/edgelesssys/constellation/internal/logger"
"github.com/edgelesssys/constellation/internal/oid"
"github.com/edgelesssys/constellation/state/keyservice"
"github.com/edgelesssys/constellation/state/keyservice/keyproto"
"github.com/edgelesssys/constellation/state/mapper"
"github.com/martinjungblut/go-cryptsetup"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"go.uber.org/goleak"
"google.golang.org/grpc"
)
const (
devicePath = "testDevice"
mappedDevice = "mappedDevice"
)
func setup() error {
return exec.Command("/bin/dd", "if=/dev/zero", fmt.Sprintf("of=%s", devicePath), "bs=64M", "count=1").Run()
}
func teardown() error {
return exec.Command("/bin/rm", "-f", devicePath).Run()
}
func TestMain(m *testing.M) {
if os.Getuid() != 0 {
fmt.Printf("This test suite requires root privileges, as libcrypsetup uses the kernel's device mapper.\n")
os.Exit(1)
}
goleak.VerifyTestMain(m,
// https://github.com/census-instrumentation/opencensus-go/issues/1262
goleak.IgnoreTopFunction("go.opencensus.io/stats/view.(*worker).start"),
)
result := m.Run()
os.Exit(result)
}
func TestMapper(t *testing.T) {
cryptsetup.SetDebugLevel(cryptsetup.CRYPT_LOG_VERBOSE)
cryptsetup.SetLogCallback(func(level int, message string) { fmt.Println(message) })
assert := assert.New(t)
require := require.New(t)
require.NoError(setup(), "failed to setup test disk")
defer func() { require.NoError(teardown(), "failed to delete test disk") }()
mapper, err := mapper.New(devicePath)
require.NoError(err, "failed to initialize crypt device")
defer func() { require.NoError(mapper.Close(), "failed to close crypt device") }()
assert.False(mapper.IsLUKSDevice())
// Format and map disk
passphrase := "unit-test"
require.NoError(mapper.FormatDisk(passphrase), "failed to format disk")
require.NoError(mapper.MapDisk(mappedDevice, passphrase), "failed to map disk")
require.NoError(mapper.UnmapDisk(mappedDevice), "failed to remove disk mapping")
assert.True(mapper.IsLUKSDevice())
// Try to map disk with incorrect passphrase
assert.Error(mapper.MapDisk(mappedDevice, "invalid-passphrase"), "was able to map disk with incorrect passphrase")
}
func TestKeyAPI(t *testing.T) {
require := require.New(t)
assert := assert.New(t)
testKey := []byte("AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA")
testSecret := []byte("BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB")
// get a free port on localhost to run the test on
listener, err := net.Listen("tcp", "localhost:0")
require.NoError(err)
apiAddr := listener.Addr().String()
listener.Close()
api := keyservice.New(
logger.NewTest(t),
atls.NewFakeIssuer(oid.Dummy{}),
&fakeMetadataAPI{},
20*time.Second,
time.Second,
)
// send a key to the server
go func() {
// wait 2 seconds before sending the key
time.Sleep(2 * time.Second)
creds := atlscredentials.New(nil, nil)
conn, err := grpc.Dial(apiAddr, grpc.WithTransportCredentials(creds))
require.NoError(err)
defer conn.Close()
client := keyproto.NewAPIClient(conn)
ctx, cancel := context.WithTimeout(context.Background(), 20*time.Second)
defer cancel()
_, err = client.PushStateDiskKey(ctx, &keyproto.PushStateDiskKeyRequest{
StateDiskKey: testKey,
MeasurementSecret: testSecret,
})
require.NoError(err)
}()
key, measurementSecret, err := api.WaitForDecryptionKey("12345678-1234-1234-1234-123456789ABC", apiAddr)
assert.NoError(err)
assert.Equal(testKey, key)
assert.Equal(testSecret, measurementSecret)
}
type fakeMetadataAPI struct{}
func (f *fakeMetadataAPI) List(ctx context.Context) ([]metadata.InstanceMetadata, error) {
return []metadata.InstanceMetadata{
{
Name: "instanceName",
ProviderID: "fake://instance-id",
Role: role.Unknown,
PrivateIPs: []string{"192.0.2.1"},
},
}, nil
}