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kubecontrolplane.go
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kubecontrolplane.go
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package tls
import (
"crypto/x509"
"crypto/x509/pkix"
"github.com/openshift/installer/pkg/asset"
)
// KubeControlPlaneSignerCertKey is a key/cert pair that signs the kube control-plane client certs.
type KubeControlPlaneSignerCertKey struct {
SelfSignedCertKey
}
var _ asset.WritableAsset = (*KubeControlPlaneSignerCertKey)(nil)
// Dependencies returns the dependency of the root-ca, which is empty.
func (c *KubeControlPlaneSignerCertKey) Dependencies() []asset.Asset {
return []asset.Asset{}
}
// Generate generates the root-ca key and cert pair.
func (c *KubeControlPlaneSignerCertKey) Generate(parents asset.Parents) error {
cfg := &CertCfg{
Subject: pkix.Name{CommonName: "kube-control-plane-signer", OrganizationalUnit: []string{"openshift"}},
KeyUsages: x509.KeyUsageKeyEncipherment | x509.KeyUsageDigitalSignature | x509.KeyUsageCertSign,
Validity: ValidityOneYear,
IsCA: true,
}
return c.SelfSignedCertKey.Generate(cfg, "kube-control-plane-signer")
}
// Name returns the human-friendly name of the asset.
func (c *KubeControlPlaneSignerCertKey) Name() string {
return "Certificate (kube-control-plane-signer)"
}
// KubeControlPlaneCABundle is the asset the generates the kube-control-plane-ca-bundle,
// which contains all the individual client CAs.
type KubeControlPlaneCABundle struct {
CertBundle
}
var _ asset.Asset = (*KubeControlPlaneCABundle)(nil)
// Dependencies returns the dependency of the cert bundle.
func (a *KubeControlPlaneCABundle) Dependencies() []asset.Asset {
return []asset.Asset{
&KubeControlPlaneSignerCertKey{},
&KubeAPIServerLBSignerCertKey{},
&KubeAPIServerLocalhostSignerCertKey{},
&KubeAPIServerServiceNetworkSignerCertKey{},
}
}
// Generate generates the cert bundle based on its dependencies.
func (a *KubeControlPlaneCABundle) Generate(deps asset.Parents) error {
var certs []CertInterface
for _, asset := range a.Dependencies() {
deps.Get(asset)
certs = append(certs, asset.(CertInterface))
}
return a.CertBundle.Generate("kube-control-plane-ca-bundle", certs...)
}
// Name returns the human-friendly name of the asset.
func (a *KubeControlPlaneCABundle) Name() string {
return "Certificate (kube-control-plane-ca-bundle)"
}
// KubeControlPlaneKubeControllerManagerClientCertKey is the asset that generates the kube-controller-manger client key/cert pair.
type KubeControlPlaneKubeControllerManagerClientCertKey struct {
SignedCertKey
}
var _ asset.Asset = (*KubeControlPlaneKubeControllerManagerClientCertKey)(nil)
// Dependencies returns the dependency of the the cert/key pair
func (a *KubeControlPlaneKubeControllerManagerClientCertKey) Dependencies() []asset.Asset {
return []asset.Asset{
&KubeControlPlaneSignerCertKey{},
}
}
// Generate generates the cert/key pair based on its dependencies.
func (a *KubeControlPlaneKubeControllerManagerClientCertKey) Generate(dependencies asset.Parents) error {
ca := &KubeControlPlaneSignerCertKey{}
dependencies.Get(ca)
cfg := &CertCfg{
Subject: pkix.Name{CommonName: "system:admin", Organization: []string{"system:masters"}},
KeyUsages: x509.KeyUsageKeyEncipherment | x509.KeyUsageDigitalSignature,
ExtKeyUsages: []x509.ExtKeyUsage{x509.ExtKeyUsageClientAuth},
Validity: ValidityOneYear,
}
return a.SignedCertKey.Generate(cfg, ca, "kube-control-plane-kube-controller-manager-client", DoNotAppendParent)
}
// Name returns the human-friendly name of the asset.
func (a *KubeControlPlaneKubeControllerManagerClientCertKey) Name() string {
return "Certificate (kube-control-plane-kube-controller-manager-client)"
}
// KubeControlPlaneKubeSchedulerClientCertKey is the asset that generates the kube-scheduler client key/cert pair.
type KubeControlPlaneKubeSchedulerClientCertKey struct {
SignedCertKey
}
var _ asset.Asset = (*KubeControlPlaneKubeSchedulerClientCertKey)(nil)
// Dependencies returns the dependency of the the cert/key pair
func (a *KubeControlPlaneKubeSchedulerClientCertKey) Dependencies() []asset.Asset {
return []asset.Asset{
&KubeControlPlaneSignerCertKey{},
}
}
// Generate generates the cert/key pair based on its dependencies.
func (a *KubeControlPlaneKubeSchedulerClientCertKey) Generate(dependencies asset.Parents) error {
ca := &KubeControlPlaneSignerCertKey{}
dependencies.Get(ca)
cfg := &CertCfg{
Subject: pkix.Name{CommonName: "system:admin", Organization: []string{"system:masters"}},
KeyUsages: x509.KeyUsageKeyEncipherment | x509.KeyUsageDigitalSignature,
ExtKeyUsages: []x509.ExtKeyUsage{x509.ExtKeyUsageClientAuth},
Validity: ValidityOneYear,
}
return a.SignedCertKey.Generate(cfg, ca, "kube-control-plane-kube-scheduler-client", DoNotAppendParent)
}
// Name returns the human-friendly name of the asset.
func (a *KubeControlPlaneKubeSchedulerClientCertKey) Name() string {
return "Certificate (kube-control-plane-kube-scheduler-client)"
}