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init: add cluster version to kubernetes components

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This commit is contained in:
Leonard Cohnen 2023-01-04 17:03:40 +01:00 • committed by 3u13r
parent 4803edd4a0
commit 25c3a8a1f3
7 changed files with 22 additions and 26 deletions
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5
bootstrapper/internal/kubernetes/k8sapi/kubeadm_config.go
View file

@ -12,7 +12,6 @@ import (
"github.com/edgelesssys/constellation/v2/bootstrapper/internal/kubelet"
"github.com/edgelesssys/constellation/v2/internal/constants"
"github.com/edgelesssys/constellation/v2/internal/kubernetes"
"github.com/edgelesssys/constellation/v2/internal/versions"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
kubeletconf "k8s.io/kubelet/config/v1beta1"
@ -33,7 +32,7 @@ const (
type KubdeadmConfiguration struct{}
// InitConfiguration returns a new init configuration.
func (c *KubdeadmConfiguration) InitConfiguration(externalCloudProvider bool, k8sVersion versions.ValidK8sVersion) KubeadmInitYAML {
func (c *KubdeadmConfiguration) InitConfiguration(externalCloudProvider bool, clusterVersion string) KubeadmInitYAML {
var cloudProvider string
if externalCloudProvider {
cloudProvider = "external"
@ -63,7 +62,7 @@ func (c *KubdeadmConfiguration) InitConfiguration(externalCloudProvider bool, k8
APIVersion: kubeadm.SchemeGroupVersion.String(),
},
// Target kubernetes version of the control plane.
KubernetesVersion: versions.VersionConfigs[k8sVersion].PatchVersion,
KubernetesVersion: clusterVersion,
// necessary to be able to access the kubeapi server through localhost
APIServer: kubeadm.APIServer{
ControlPlaneComponent: kubeadm.ControlPlaneComponent{

8
bootstrapper/internal/kubernetes/k8sapi/kubeadm_config_test.go
View file

@ -28,11 +28,11 @@ func TestInitConfiguration(t *testing.T) {
config KubeadmInitYAML
}{
"kubeadm init config can be created": {
config: kubeadmConfig.InitConfiguration(true, versions.Default),
config: kubeadmConfig.InitConfiguration(true, versions.VersionConfigs[versions.Default].ClusterVersion),
},
"kubeadm init config with all fields can be created": {
config: func() KubeadmInitYAML {
c := kubeadmConfig.InitConfiguration(true, versions.Default)
c := kubeadmConfig.InitConfiguration(true, versions.VersionConfigs[versions.Default].ClusterVersion)
c.SetNodeIP("192.0.2.0")
c.SetNodeName("node")
c.SetProviderID("somecloudprovider://instance-id")
@ -65,8 +65,8 @@ func TestInitConfigurationKubeadmCompatibility(t *testing.T) {
wantErr bool
}{
"Kubeadm accepts version 'Latest'": {
config: kubeadmConfig.InitConfiguration(true, versions.Default),
expectedVersion: versions.VersionConfigs[versions.Default].PatchVersion,
config: kubeadmConfig.InitConfiguration(true, versions.VersionConfigs[versions.Default].ClusterVersion),
expectedVersion: versions.VersionConfigs[versions.Default].ClusterVersion,
},
"Kubeadm receives incompatible version": {
config: kubeadmConfig.InitConfiguration(true, "1.19"),

17
bootstrapper/internal/kubernetes/kubernetes.go
View file

@ -46,7 +46,7 @@ type configReader interface {
// configurationProvider provides kubeadm init and join configuration.
type configurationProvider interface {
InitConfiguration(externalCloudProvider bool, k8sVersion versions.ValidK8sVersion) k8sapi.KubeadmInitYAML
InitConfiguration(externalCloudProvider bool, k8sVersion string) k8sapi.KubeadmInitYAML
JoinConfiguration(externalCloudProvider bool) k8sapi.KubeadmJoinYAML
}
@ -92,11 +92,7 @@ func (k *KubeWrapper) InitCluster(
enforceIDKeyDigest bool, idKeyDigest []byte, azureCVM bool,
helmReleasesRaw []byte, conformanceMode bool, kubernetesComponents versions.ComponentVersions, log *logger.Logger,
) ([]byte, error) {
k8sVersion, err := versions.NewValidK8sVersion(versionString)
if err != nil {
return nil, err
}
log.With(zap.String("version", string(k8sVersion))).Infof("Installing Kubernetes components")
log.With(zap.String("version", versionString)).Infof("Installing Kubernetes components")
if err := k.clusterUtil.InstallComponents(ctx, kubernetesComponents); err != nil {
return nil, err
}
@ -141,7 +137,7 @@ func (k *KubeWrapper) InitCluster(
// Step 2: configure kubeadm init config
ccmSupported := cloudprovider.FromString(k.cloudProvider) == cloudprovider.Azure ||
cloudprovider.FromString(k.cloudProvider) == cloudprovider.GCP
initConfig := k.configProvider.InitConfiguration(ccmSupported, k8sVersion)
initConfig := k.configProvider.InitConfiguration(ccmSupported, versionString)
initConfig.SetNodeIP(nodeIP)
initConfig.SetCertSANs([]string{nodeIP})
initConfig.SetNodeName(nodeName)
@ -171,7 +167,7 @@ func (k *KubeWrapper) InitCluster(
}
// Setup the K8s components ConfigMap.
k8sComponentsConfigMap, err := k.setupK8sComponentsConfigMap(ctx, kubernetesComponents)
k8sComponentsConfigMap, err := k.setupK8sComponentsConfigMap(ctx, kubernetesComponents, versionString)
if err != nil {
return nil, fmt.Errorf("failed to setup k8s version ConfigMap: %w", err)
}
@ -323,7 +319,7 @@ func (k *KubeWrapper) GetKubeconfig() ([]byte, error) {
// setupK8sComponentsConfigMap applies a ConfigMap (cf. server-side apply) to store the installed k8s components.
// It returns the name of the ConfigMap.
func (k *KubeWrapper) setupK8sComponentsConfigMap(ctx context.Context, components versions.ComponentVersions) (string, error) {
func (k *KubeWrapper) setupK8sComponentsConfigMap(ctx context.Context, components versions.ComponentVersions, clusterVersion string) (string, error) {
componentsMarshalled, err := json.Marshal(components)
if err != nil {
return "", fmt.Errorf("marshalling component versions: %w", err)
@ -342,7 +338,8 @@ func (k *KubeWrapper) setupK8sComponentsConfigMap(ctx context.Context, component
Namespace: "kube-system",
},
Data: map[string]string{
constants.K8sComponentsFieldName: string(componentsMarshalled),
constants.ComponentsListKey: string(componentsMarshalled),
constants.K8sVersionFieldName: clusterVersion,
},
}

2
bootstrapper/internal/kubernetes/kubernetes_test.go
View file

@ -556,7 +556,7 @@ type stubConfigProvider struct {
joinConfig k8sapi.KubeadmJoinYAML
}
func (s *stubConfigProvider) InitConfiguration(_ bool, _ versions.ValidK8sVersion) k8sapi.KubeadmInitYAML {
func (s *stubConfigProvider) InitConfiguration(_ bool, _ string) k8sapi.KubeadmInitYAML {
return s.initConfig
}