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kube_etcd_service.go
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kube_etcd_service.go
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package op
import (
"context"
"github.com/cybozu-go/cke"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
type kubeEtcdServiceCreateOp struct {
apiserver *cke.Node
finished bool
}
// KubeEtcdServiceCreateOp returns an Operator to create Service resource for etcd.
func KubeEtcdServiceCreateOp(apiserver *cke.Node) cke.Operator {
return &kubeEtcdServiceCreateOp{
apiserver: apiserver,
}
}
func (o *kubeEtcdServiceCreateOp) Name() string {
return "create-etcd-service"
}
func (o *kubeEtcdServiceCreateOp) NextCommand() cke.Commander {
if o.finished {
return nil
}
o.finished = true
return createEtcdServiceCommand{o.apiserver}
}
func (o *kubeEtcdServiceCreateOp) Targets() []string {
return []string{
o.apiserver.Address,
}
}
type kubeEtcdServiceUpdateOp struct {
apiserver *cke.Node
finished bool
}
// KubeEtcdServiceUpdateOp returns an Operator to update Service resource for etcd.
func KubeEtcdServiceUpdateOp(apiserver *cke.Node) cke.Operator {
return &kubeEtcdServiceUpdateOp{
apiserver: apiserver,
}
}
func (o *kubeEtcdServiceUpdateOp) Name() string {
return "update-etcd-service"
}
func (o *kubeEtcdServiceUpdateOp) NextCommand() cke.Commander {
if o.finished {
return nil
}
o.finished = true
return updateEtcdServiceCommand{o.apiserver}
}
func (o *kubeEtcdServiceUpdateOp) Targets() []string {
return []string{
o.apiserver.Address,
}
}
type createEtcdServiceCommand struct {
apiserver *cke.Node
}
func (c createEtcdServiceCommand) Run(ctx context.Context, inf cke.Infrastructure, _ string) error {
cs, err := inf.K8sClient(ctx, c.apiserver)
if err != nil {
return err
}
_, err = cs.CoreV1().Services(metav1.NamespaceSystem).Create(&corev1.Service{
ObjectMeta: metav1.ObjectMeta{
Name: EtcdServiceName,
},
Spec: corev1.ServiceSpec{
Ports: []corev1.ServicePort{{Port: 2379}},
Type: corev1.ServiceTypeClusterIP,
ClusterIP: corev1.ClusterIPNone,
},
})
return err
}
func (c createEtcdServiceCommand) Command() cke.Command {
return cke.Command{
Name: "createEtcdServiceCommand",
Target: "",
}
}
type updateEtcdServiceCommand struct {
apiserver *cke.Node
}
func (c updateEtcdServiceCommand) Run(ctx context.Context, inf cke.Infrastructure, _ string) error {
cs, err := inf.K8sClient(ctx, c.apiserver)
if err != nil {
return err
}
_, err = cs.CoreV1().Services(metav1.NamespaceSystem).Update(&corev1.Service{
ObjectMeta: metav1.ObjectMeta{
Name: EtcdServiceName,
},
Spec: corev1.ServiceSpec{
Ports: []corev1.ServicePort{{Port: 2379}},
Type: corev1.ServiceTypeClusterIP,
ClusterIP: corev1.ClusterIPNone,
},
})
return err
}
func (c updateEtcdServiceCommand) Command() cke.Command {
return cke.Command{
Name: "updateEtcdServiceCommand",
Target: "",
}
}