constellation/coordinator/kubernetes/k8sapi/resources/kms.go
Christoph Meyer db5468a886 Deploy KMS server image in Constellation
Add image pull secret for ghcr.io
2022-05-31 11:13:26 +02:00

163 lines
3.8 KiB
Go

package resources
import (
"github.com/edgelesssys/constellation/internal/constants"
"github.com/edgelesssys/constellation/internal/secrets"
apps "k8s.io/api/apps/v1"
k8s "k8s.io/api/core/v1"
rbac "k8s.io/api/rbac/v1"
meta "k8s.io/apimachinery/pkg/apis/meta/v1"
)
type kmsDeployment struct {
ServiceAccount k8s.ServiceAccount
ClusterRole rbac.ClusterRole
ClusterRoleBinding rbac.ClusterRoleBinding
Deployment apps.Deployment
MasterSecret k8s.Secret
ImagePullSecret k8s.Secret
}
const (
kmsImage = "ghcr.io/edgelesssys/constellation/kmsserver:latest"
)
// NewKMSDeployment creates a new *kmsDeployment to use as the key management system inside Constellation.
func NewKMSDeployment(masterSecret []byte) *kmsDeployment {
return &kmsDeployment{
ServiceAccount: k8s.ServiceAccount{
TypeMeta: meta.TypeMeta{
APIVersion: "v1",
Kind: "ServiceAccount",
},
ObjectMeta: meta.ObjectMeta{
Name: "kms",
Namespace: "kube-system",
},
},
ClusterRole: rbac.ClusterRole{
TypeMeta: meta.TypeMeta{
APIVersion: "rbac.authorization.k8s.io/v1",
Kind: "ClusterRole",
},
ObjectMeta: meta.ObjectMeta{
Name: "kms",
Labels: map[string]string{
"k8s-app": "kms",
},
},
Rules: []rbac.PolicyRule{
{
APIGroups: []string{""},
Resources: []string{"secrets"},
Verbs: []string{"get"},
},
},
},
ClusterRoleBinding: rbac.ClusterRoleBinding{
TypeMeta: meta.TypeMeta{
APIVersion: "rbac.authorization.k8s.io/v1",
Kind: "ClusterRoleBinding",
},
ObjectMeta: meta.ObjectMeta{
Name: "kms",
},
RoleRef: rbac.RoleRef{
APIGroup: "rbac.authorization.k8s.io",
Kind: "ClusterRole",
Name: "kms",
},
Subjects: []rbac.Subject{
{
Kind: "ServiceAccount",
Name: "kms",
Namespace: "kube-system",
},
},
},
Deployment: apps.Deployment{
TypeMeta: meta.TypeMeta{
APIVersion: "apps/v1",
Kind: "Deployment",
},
ObjectMeta: meta.ObjectMeta{
Labels: map[string]string{
"k8s-app": "kms",
},
Name: "kms",
Namespace: "kube-system",
},
Spec: apps.DeploymentSpec{
Selector: &meta.LabelSelector{
MatchLabels: map[string]string{
"k8s-app": "kms",
},
},
Template: k8s.PodTemplateSpec{
ObjectMeta: meta.ObjectMeta{
Labels: map[string]string{
"k8s-app": "kms",
},
},
Spec: k8s.PodSpec{
ImagePullSecrets: []k8s.LocalObjectReference{
{
Name: secrets.PullSecretName,
},
},
Volumes: []k8s.Volume{
{
Name: "mastersecret",
VolumeSource: k8s.VolumeSource{
Secret: &k8s.SecretVolumeSource{
SecretName: constants.ConstellationMasterSecretStoreName,
Items: []k8s.KeyToPath{
{
Key: constants.ConstellationMasterSecretKey,
Path: "constellation-mastersecret.base64",
},
},
},
},
},
},
ServiceAccountName: "kms",
Containers: []k8s.Container{
{
Name: "kms",
Image: kmsImage,
VolumeMounts: []k8s.VolumeMount{
{
Name: "mastersecret",
ReadOnly: true,
MountPath: "/constellation/",
},
},
},
},
},
},
},
},
MasterSecret: k8s.Secret{
TypeMeta: meta.TypeMeta{
APIVersion: "v1",
Kind: "Secret",
},
ObjectMeta: meta.ObjectMeta{
Name: constants.ConstellationMasterSecretStoreName,
Namespace: "kube-system",
},
Data: map[string][]byte{
constants.ConstellationMasterSecretKey: masterSecret,
},
Type: "Opaque",
},
ImagePullSecret: NewImagePullSecret(),
}
}
func (c *kmsDeployment) Marshal() ([]byte, error) {
return MarshalK8SResources(c)
}