cli: set cluster's initial measurements from user's config using Helm (#1540)

* Remove using measurements from the initial control-plane node for the cluster's initial measurements

* Add using measurements from the user's config for the cluster's initial measurements to align behavior with upgrade command

---------

Signed-off-by: Daniel Weiße <dw@edgeless.systems>
This commit is contained in:
Daniel Weiße 2023-03-29 11:16:56 +02:00 committed by GitHub
parent 6fabb2a84b
commit b57413cfa7
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
13 changed files with 81 additions and 143 deletions

View File

@ -23,7 +23,6 @@ go_library(
"//bootstrapper/internal/nodelock",
"//internal/atls",
"//internal/attestation/choose",
"//internal/attestation/measurements",
"//internal/attestation/simulator",
"//internal/attestation/vtpm",
"//internal/cloud/aws",

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@ -19,7 +19,6 @@ import (
"github.com/edgelesssys/constellation/v2/bootstrapper/internal/kubernetes/kubewaiter"
"github.com/edgelesssys/constellation/v2/bootstrapper/internal/logging"
"github.com/edgelesssys/constellation/v2/internal/attestation/choose"
"github.com/edgelesssys/constellation/v2/internal/attestation/measurements"
"github.com/edgelesssys/constellation/v2/internal/attestation/simulator"
"github.com/edgelesssys/constellation/v2/internal/attestation/vtpm"
awscloud "github.com/edgelesssys/constellation/v2/internal/cloud/aws"
@ -82,11 +81,6 @@ func main() {
switch cloudprovider.FromString(os.Getenv(constellationCSP)) {
case cloudprovider.AWS:
measurements, err := vtpm.GetSelectedMeasurements(vtpm.OpenVTPM, vtpm.AWSPCRSelection)
if err != nil {
log.With(zap.Error(err)).Fatalf("Failed to get selected PCRs")
}
metadata, err := awscloud.New(ctx)
if err != nil {
log.With(zap.Error(err)).Fatalf("Failed to set up AWS metadata API")
@ -100,17 +94,12 @@ func main() {
clusterInitJoiner = kubernetes.New(
"aws", k8sapi.NewKubernetesUtil(), &k8sapi.KubdeadmConfiguration{}, kubectl.New(),
metadata, measurements, helmClient, &kubewaiter.CloudKubeAPIWaiter{},
metadata, helmClient, &kubewaiter.CloudKubeAPIWaiter{},
)
openTPM = vtpm.OpenVTPM
fs = afero.NewOsFs()
case cloudprovider.GCP:
measurements, err := vtpm.GetSelectedMeasurements(vtpm.OpenVTPM, vtpm.GCPPCRSelection)
if err != nil {
log.With(zap.Error(err)).Fatalf("Failed to get selected PCRs")
}
metadata, err := gcpcloud.New(ctx)
if err != nil {
log.With(zap.Error(err)).Fatalf("Failed to create GCP metadata client")
@ -125,18 +114,13 @@ func main() {
metadataAPI = metadata
clusterInitJoiner = kubernetes.New(
"gcp", k8sapi.NewKubernetesUtil(), &k8sapi.KubdeadmConfiguration{}, kubectl.New(),
metadata, measurements, helmClient, &kubewaiter.CloudKubeAPIWaiter{},
metadata, helmClient, &kubewaiter.CloudKubeAPIWaiter{},
)
openTPM = vtpm.OpenVTPM
fs = afero.NewOsFs()
log.Infof("Added load balancer IP to routing table")
case cloudprovider.Azure:
measurements, err := vtpm.GetSelectedMeasurements(vtpm.OpenVTPM, vtpm.AzurePCRSelection)
if err != nil {
log.With(zap.Error(err)).Fatalf("Failed to get selected PCRs")
}
metadata, err := azurecloud.New(ctx)
if err != nil {
log.With(zap.Error(err)).Fatalf("Failed to create Azure metadata client")
@ -148,34 +132,24 @@ func main() {
metadataAPI = metadata
clusterInitJoiner = kubernetes.New(
"azure", k8sapi.NewKubernetesUtil(), &k8sapi.KubdeadmConfiguration{}, kubectl.New(),
metadata, measurements, helmClient, &kubewaiter.CloudKubeAPIWaiter{},
metadata, helmClient, &kubewaiter.CloudKubeAPIWaiter{},
)
openTPM = vtpm.OpenVTPM
fs = afero.NewOsFs()
case cloudprovider.QEMU:
measurements, err := vtpm.GetSelectedMeasurements(vtpm.OpenVTPM, vtpm.QEMUPCRSelection)
if err != nil {
log.With(zap.Error(err)).Fatalf("Failed to get selected PCRs")
}
cloudLogger = qemucloud.NewLogger()
metadata := qemucloud.New()
clusterInitJoiner = kubernetes.New(
"qemu", k8sapi.NewKubernetesUtil(), &k8sapi.KubdeadmConfiguration{}, kubectl.New(),
metadata, measurements, helmClient, &kubewaiter.CloudKubeAPIWaiter{},
metadata, helmClient, &kubewaiter.CloudKubeAPIWaiter{},
)
metadataAPI = metadata
openTPM = vtpm.OpenVTPM
fs = afero.NewOsFs()
case cloudprovider.OpenStack:
// TODO(malt3): add OpenStack TPM support
measurements := measurements.M{
15: measurements.WithAllBytes(0x0, measurements.WarnOnly),
}
cloudLogger = &logging.NopLogger{}
metadata, err := openstackcloud.New(ctx)
if err != nil {
@ -183,7 +157,7 @@ func main() {
}
clusterInitJoiner = kubernetes.New(
"openstack", k8sapi.NewKubernetesUtil(), &k8sapi.KubdeadmConfiguration{}, kubectl.New(),
metadata, measurements, helmClient, &kubewaiter.CloudKubeAPIWaiter{},
metadata, helmClient, &kubewaiter.CloudKubeAPIWaiter{},
)
metadataAPI = metadata

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@ -21,7 +21,7 @@ type clusterFake struct{}
// InitCluster fakes bootstrapping a new cluster with the current node being the master, returning the arguments required to join the cluster.
func (c *clusterFake) InitCluster(
context.Context, string, string, string, []byte, []uint32,
context.Context, string, string, string, []byte,
[]byte, bool, components.Components, *logger.Logger,
) ([]byte, error) {
return []byte{}, nil

View File

@ -36,7 +36,7 @@ type InitRequest struct {
// repeated SSHUserKey ssh_user_keys = 9; removed
// bytes salt = 10; removed
HelmDeployments []byte `protobuf:"bytes,11,opt,name=helm_deployments,json=helmDeployments,proto3" json:"helm_deployments,omitempty"`
EnforcedPcrs []uint32 `protobuf:"varint,12,rep,packed,name=enforced_pcrs,json=enforcedPcrs,proto3" json:"enforced_pcrs,omitempty"`
// repeated uint32 enforced_pcrs = 12; removed
// bool enforce_idkeydigest = 13; removed
ConformanceMode bool `protobuf:"varint,14,opt,name=conformance_mode,json=conformanceMode,proto3" json:"conformance_mode,omitempty"`
KubernetesComponents []*KubernetesComponent `protobuf:"bytes,15,rep,name=kubernetes_components,json=kubernetesComponents,proto3" json:"kubernetes_components,omitempty"`
@ -111,13 +111,6 @@ func (x *InitRequest) GetHelmDeployments() []byte {
return nil
}
func (x *InitRequest) GetEnforcedPcrs() []uint32 {
if x != nil {
return x.EnforcedPcrs
}
return nil
}
func (x *InitRequest) GetConformanceMode() bool {
if x != nil {
return x.ConformanceMode
@ -284,7 +277,7 @@ var File_init_proto protoreflect.FileDescriptor
var file_init_proto_rawDesc = []byte{
0x0a, 0x0a, 0x69, 0x6e, 0x69, 0x74, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x04, 0x69, 0x6e,
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@ -298,43 +291,41 @@ var file_init_proto_rawDesc = []byte{
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}
var (

View File

@ -20,7 +20,7 @@ message InitRequest {
// repeated SSHUserKey ssh_user_keys = 9; removed
// bytes salt = 10; removed
bytes helm_deployments = 11;
repeated uint32 enforced_pcrs = 12;
// repeated uint32 enforced_pcrs = 12; removed
// bool enforce_idkeydigest = 13; removed
bool conformance_mode = 14;
repeated KubernetesComponent kubernetes_components = 15;

View File

@ -177,7 +177,6 @@ func (s *Server) Init(ctx context.Context, req *initproto.InitRequest) (*initpro
req.KubernetesVersion,
clusterName,
measurementSalt,
req.EnforcedPcrs,
req.HelmDeployments,
req.ConformanceMode,
components.NewComponentsFromInitProto(req.KubernetesComponents),
@ -252,7 +251,6 @@ type ClusterInitializer interface {
k8sVersion string,
clusterName string,
measurementSalt []byte,
enforcedPcrs []uint32,
helmDeployments []byte,
conformanceMode bool,
kubernetesComponents components.Components,

View File

@ -320,7 +320,7 @@ type stubClusterInitializer struct {
}
func (i *stubClusterInitializer) InitCluster(
context.Context, string, string, string, []byte, []uint32,
context.Context, string, string, string, []byte,
[]byte, bool, components.Components, *logger.Logger,
) ([]byte, error) {
return i.initClusterKubeconfig, i.initClusterErr

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@ -13,7 +13,6 @@ go_library(
deps = [
"//bootstrapper/internal/kubernetes/k8sapi",
"//bootstrapper/internal/kubernetes/kubewaiter",
"//internal/attestation/measurements",
"//internal/cloud/azureshared",
"//internal/cloud/cloudprovider",
"//internal/cloud/gcpshared",

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@ -20,7 +20,6 @@ import (
"github.com/edgelesssys/constellation/v2/bootstrapper/internal/kubernetes/k8sapi"
"github.com/edgelesssys/constellation/v2/bootstrapper/internal/kubernetes/kubewaiter"
"github.com/edgelesssys/constellation/v2/internal/attestation/measurements"
"github.com/edgelesssys/constellation/v2/internal/cloud/azureshared"
"github.com/edgelesssys/constellation/v2/internal/cloud/cloudprovider"
"github.com/edgelesssys/constellation/v2/internal/cloud/gcpshared"
@ -58,13 +57,12 @@ type KubeWrapper struct {
configProvider configurationProvider
client k8sapi.Client
providerMetadata ProviderMetadata
initialMeasurements measurements.M
getIPAddr func() (string, error)
}
// New creates a new KubeWrapper with real values.
func New(cloudProvider string, clusterUtil clusterUtil, configProvider configurationProvider, client k8sapi.Client,
providerMetadata ProviderMetadata, measurements measurements.M, helmClient helmClient, kubeAPIWaiter kubeAPIWaiter,
providerMetadata ProviderMetadata, helmClient helmClient, kubeAPIWaiter kubeAPIWaiter,
) *KubeWrapper {
return &KubeWrapper{
cloudProvider: cloudProvider,
@ -74,14 +72,13 @@ func New(cloudProvider string, clusterUtil clusterUtil, configProvider configura
configProvider: configProvider,
client: client,
providerMetadata: providerMetadata,
initialMeasurements: measurements,
getIPAddr: getIPAddr,
}
}
// InitCluster initializes a new Kubernetes cluster and applies pod network provider.
func (k *KubeWrapper) InitCluster(
ctx context.Context, cloudServiceAccountURI, versionString, clusterName string, measurementSalt []byte, enforcedPCRs []uint32,
ctx context.Context, cloudServiceAccountURI, versionString, clusterName string, measurementSalt []byte,
helmReleasesRaw []byte, conformanceMode bool, kubernetesComponents components.Components, log *logger.Logger,
) ([]byte, error) {
log.With(zap.String("version", versionString)).Infof("Installing Kubernetes components")
@ -217,15 +214,7 @@ func (k *KubeWrapper) InitCluster(
} else {
controlPlaneIP = controlPlaneEndpoint
}
if err := k.initialMeasurements.SetEnforced(enforcedPCRs); err != nil {
return nil, err
}
measurementsJSON, err := json.Marshal(k.initialMeasurements)
if err != nil {
return nil, fmt.Errorf("marshaling initial measurements: %w", err)
}
serviceConfig := constellationServicesConfig{
initialMeasurementsJSON: measurementsJSON,
measurementSalt: measurementSalt,
subnetworkPodCIDR: subnetworkPodCIDR,
cloudServiceAccountURI: cloudServiceAccountURI,
@ -420,7 +409,6 @@ func getIPAddr() (string, error) {
func (k *KubeWrapper) setupExtraVals(ctx context.Context, serviceConfig constellationServicesConfig) (map[string]any, error) {
extraVals := map[string]any{
"join-service": map[string]any{
"measurements": string(serviceConfig.initialMeasurementsJSON),
"measurementSalt": base64.StdEncoding.EncodeToString(serviceConfig.measurementSalt),
},
"ccm": map[string]any{},
@ -541,7 +529,6 @@ type ccmConfigGetter interface {
}
type constellationServicesConfig struct {
initialMeasurementsJSON []byte
measurementSalt []byte
subnetworkPodCIDR string
cloudServiceAccountURI string

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@ -216,7 +216,7 @@ func TestInitCluster(t *testing.T) {
_, err := kube.InitCluster(
context.Background(), serviceAccountURI, string(tc.k8sVersion), "kubernetes",
nil, nil, []byte("{}"), false, nil, logger.NewTest(t),
nil, []byte("{}"), false, nil, logger.NewTest(t),
)
if tc.wantErr {

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@ -173,7 +173,6 @@ func (i *initCmd) initialize(cmd *cobra.Command, newDialer func(validator *cloud
KubernetesVersion: versions.VersionConfigs[k8sVersion].ClusterVersion,
KubernetesComponents: versions.VersionConfigs[k8sVersion].KubernetesComponents.ToInitProto(),
HelmDeployments: helmDeployments,
EnforcedPcrs: conf.EnforcedPCRs(),
ConformanceMode: flags.conformance,
InitSecret: idFile.InitSecret,
ClusterName: clusterName,

View File

@ -481,6 +481,14 @@ func extendConstellationServicesValues(
}
joinServiceVals["attestationVariant"] = config.AttestationVariant
// measurements are updated separately during upgrade,
// so we only set them in Helm during init.
measurementsJSON, err := json.Marshal(config.GetMeasurements())
if err != nil {
return fmt.Errorf("marshalling measurements: %w", err)
}
joinServiceVals["measurements"] = string(measurementsJSON)
verifyServiceVals, ok := in["verification-service"].(map[string]any)
if !ok {
return errors.New("invalid verification-service values")

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@ -522,23 +522,6 @@ func (c *Config) IDKeyDigestPolicy() idkeydigest.EnforceIDKeyDigest {
return idkeydigest.Unknown
}
// EnforcedPCRs returns the list of enforced PCRs for the configured cloud provider.
func (c *Config) EnforcedPCRs() []uint32 {
provider := c.GetProvider()
switch provider {
case cloudprovider.AWS:
return c.Provider.AWS.Measurements.GetEnforced()
case cloudprovider.Azure:
return c.Provider.Azure.Measurements.GetEnforced()
case cloudprovider.GCP:
return c.Provider.GCP.Measurements.GetEnforced()
case cloudprovider.QEMU:
return c.Provider.QEMU.Measurements.GetEnforced()
default:
return nil
}
}
// IDKeyDigests returns the ID Key Digests for the configured cloud provider.
func (c *Config) IDKeyDigests() idkeydigest.IDKeyDigests {
if c.Provider.Azure != nil {