/
controlplane_certs.go
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/
controlplane_certs.go
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/*
Copyright 2019 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 userdata
import "errors"
type Certificates struct {
CACert string
CAKey string
EtcdCACert string
EtcdCAKey string
FrontProxyCACert string
FrontProxyCAKey string
SaCert string
SaKey string
}
func (cpi *Certificates) validate() error {
if !isKeyPairValid(cpi.CACert, cpi.CAKey) {
return errors.New("CA cert material in the ControlPlaneInput is missing cert/key")
}
if !isKeyPairValid(cpi.EtcdCACert, cpi.EtcdCAKey) {
return errors.New("ETCD CA cert material in the ControlPlaneInput is missing cert/key")
}
if !isKeyPairValid(cpi.FrontProxyCACert, cpi.FrontProxyCAKey) {
return errors.New("FrontProxy CA cert material in ControlPlaneInput is missing cert/key")
}
if !isKeyPairValid(cpi.SaCert, cpi.SaKey) {
return errors.New("ServiceAccount cert material in ControlPlaneInput is missing cert/key")
}
return nil
}
func certificatesToFiles(input Certificates) []Files {
return []Files{
{
Path: "/etc/kubernetes/pki/ca.crt",
Owner: rootOwnerValue,
Permissions: "0640",
Content: input.CACert,
},
{
Path: "/etc/kubernetes/pki/ca.key",
Owner: rootOwnerValue,
Permissions: "0600",
Content: input.CAKey,
},
{
Path: "/etc/kubernetes/pki/etcd/ca.crt",
Owner: rootOwnerValue,
Permissions: "0640",
Content: input.EtcdCACert,
},
{
Path: "/etc/kubernetes/pki/etcd/ca.key",
Owner: rootOwnerValue,
Permissions: "0600",
Content: input.EtcdCAKey,
},
{
Path: "/etc/kubernetes/pki/front-proxy-ca.crt",
Owner: rootOwnerValue,
Permissions: "0640",
Content: input.FrontProxyCACert,
},
{
Path: "/etc/kubernetes/pki/front-proxy-ca.key",
Owner: rootOwnerValue,
Permissions: "0600",
Content: input.FrontProxyCAKey,
},
{
Path: "/etc/kubernetes/pki/sa.pub",
Owner: rootOwnerValue,
Permissions: "0640",
Content: input.SaCert,
},
{
Path: "/etc/kubernetes/pki/sa.key",
Owner: rootOwnerValue,
Permissions: "0600",
Content: input.SaKey,
},
}
}