postgres-operator/operator/spilo.go

110 lines
2.3 KiB
Go

package operator
import (
"encoding/json"
"log"
"sync"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/pkg/api/meta"
"k8s.io/client-go/pkg/api/unversioned"
"k8s.io/client-go/rest"
"net/url"
"fmt"
"strings"
)
type SpiloOperator struct {
Options
ClientSet *kubernetes.Clientset
Client *rest.RESTClient
Supervisor *SpiloSupervisor
}
func New(options Options) *SpiloOperator {
config := KubernetesConfig(options)
clientSet, err := kubernetes.NewForConfig(config)
if err != nil {
log.Fatalf("Couldn't create Kubernetes client: %s", err)
}
etcdService, _ := clientSet.Services("default").Get("etcd-client")
if len(etcdService.Spec.Ports) != 1 {
log.Fatalln("Can't find Etcd cluster")
}
ports := etcdService.Spec.Ports[0]
nodeurl, _ := url.Parse(config.Host)
etcdHostOutside = fmt.Sprintf("http://%s:%d", strings.Split(nodeurl.Host, ":")[0], ports.NodePort)
spiloClient, err := newKubernetesSpiloClient(config)
if err != nil {
log.Fatalf("Couldn't create Spilo client: %s", err)
}
operator := &SpiloOperator{
Options: options,
ClientSet: clientSet,
Client: spiloClient,
Supervisor: newSupervisor(spiloClient, clientSet),
}
return operator
}
func (o *SpiloOperator) Run(stopCh <-chan struct{}, wg *sync.WaitGroup) {
log.Printf("Spilo operator %v\n", VERSION)
go o.Supervisor.Run(stopCh, wg)
log.Println("Started working in background")
}
// The code below is used only to work around a known problem with third-party
// resources and ugorji. If/when these issues are resolved, the code below
// should no longer be required.
//
func (s *Spilo) GetObjectKind() unversioned.ObjectKind {
return &s.TypeMeta
}
func (s *Spilo) GetObjectMeta() meta.Object {
return &s.Metadata
}
func (sl *SpiloList) GetObjectKind() unversioned.ObjectKind {
return &sl.TypeMeta
}
func (sl *SpiloList) GetListMeta() unversioned.List {
return &sl.Metadata
}
type SpiloListCopy SpiloList
type SpiloCopy Spilo
func (e *Spilo) UnmarshalJSON(data []byte) error {
tmp := SpiloCopy{}
err := json.Unmarshal(data, &tmp)
if err != nil {
return err
}
tmp2 := Spilo(tmp)
*e = tmp2
return nil
}
func (el *SpiloList) UnmarshalJSON(data []byte) error {
tmp := SpiloListCopy{}
err := json.Unmarshal(data, &tmp)
if err != nil {
return err
}
tmp2 := SpiloList(tmp)
*el = tmp2
return nil
}