kops/pkg/model/pki.go

141 lines
3.3 KiB
Go

/*
Copyright 2016 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package model
import (
"k8s.io/apiserver/pkg/authentication/user"
"k8s.io/kops/upup/pkg/fi"
"k8s.io/kops/upup/pkg/fi/fitasks"
)
// PKIModelBuilder configures PKI keypairs
type PKIModelBuilder struct {
*KopsModelContext
}
var _ fi.ModelBuilder = &PKIModelBuilder{}
func (b *PKIModelBuilder) Build(c *fi.ModelBuilderContext) error {
{
// Keypair used by the kubelet
t := &fitasks.Keypair{
Name: fi.String("kubelet"),
Subject: "o=" + user.NodesGroup + ",cn=kubelet",
Type: "client",
}
c.AddTask(t)
}
{
// Keypair used by the kube-scheduler
t := &fitasks.Keypair{
Name: fi.String("kube-scheduler"),
Subject: "cn=" + user.KubeScheduler,
Type: "client",
}
c.AddTask(t)
}
{
// Keypair used by the kube-proxy
t := &fitasks.Keypair{
Name: fi.String("kube-proxy"),
Subject: "cn=" + user.KubeProxy,
Type: "client",
}
c.AddTask(t)
}
if b.KopsModelContext.Cluster.Spec.Networking.Kuberouter != nil {
// Keypair used by the kube-router
t := &fitasks.Keypair{
Name: fi.String("kube-router"),
Subject: "cn=" + "system:kube-router",
Type: "client",
}
c.AddTask(t)
}
{
// Keypair used by the kube-controller-manager
t := &fitasks.Keypair{
Name: fi.String("kube-controller-manager"),
Subject: "cn=" + user.KubeControllerManager,
Type: "client",
}
c.AddTask(t)
}
{
// Keypair used for admin kubecfg
t := &fitasks.Keypair{
Name: fi.String("kubecfg"),
Subject: "o=" + user.SystemPrivilegedGroup + ",cn=kubecfg",
Type: "client",
}
c.AddTask(t)
}
{
// Keypair used by kops / protokube
t := &fitasks.Keypair{
Name: fi.String("kops"),
Subject: "o=" + user.SystemPrivilegedGroup + ",cn=kops",
Type: "client",
}
c.AddTask(t)
}
{
// TLS certificate used for apiserver
// A few names used from inside the cluster, which all resolve the same based on our default suffixes
alternateNames := []string{
"kubernetes",
"kubernetes.default",
"kubernetes.default.svc",
"kubernetes.default.svc." + b.Cluster.Spec.ClusterDNSDomain,
}
// Names specified in the cluster spec
alternateNames = append(alternateNames, b.Cluster.Spec.MasterPublicName)
alternateNames = append(alternateNames, b.Cluster.Spec.MasterInternalName)
// Referencing it by internal IP should work also
{
ip, err := b.WellKnownServiceIP(1)
if err != nil {
return err
}
alternateNames = append(alternateNames, ip.String())
}
// We also want to be able to reference it locally via https://127.0.0.1
alternateNames = append(alternateNames, "127.0.0.1")
t := &fitasks.Keypair{
Name: fi.String("master"),
Subject: "cn=kubernetes-master",
Type: "server",
AlternateNames: alternateNames,
}
c.AddTask(t)
}
return nil
}