99 lines
1.9 KiB
Go
99 lines
1.9 KiB
Go
package registry
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import (
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"fmt"
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"os"
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"sync"
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k8s "github.com/GoogleCloudPlatform/kubernetes/pkg/client"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/labels"
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)
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type KubernetesRegistry struct {
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Client *k8s.Client
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Namespace string
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mtx sync.RWMutex
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services map[string]Service
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}
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func (c *KubernetesRegistry) Watch() {
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NewKubernetesWatcher(c)
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}
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func (c *KubernetesRegistry) Deregister(s Service) error {
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return nil
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}
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func (c *KubernetesRegistry) Register(s Service) error {
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return nil
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}
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func (c *KubernetesRegistry) GetService(name string) (Service, error) {
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c.mtx.RLock()
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service, ok := c.services[name]
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c.mtx.RUnlock()
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if ok {
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return service, nil
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}
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services, err := c.Client.Services(c.Namespace).List(labels.OneTermEqualSelector("name", name))
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if err != nil {
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return nil, err
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}
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if len(services.Items) == 0 {
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return nil, fmt.Errorf("Service not found")
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}
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ks := &KubernetesService{ServiceName: name}
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for _, item := range services.Items {
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ks.ServiceNodes = append(ks.ServiceNodes, &KubernetesNode{
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NodeAddress: item.Spec.PortalIP,
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NodePort: item.Spec.Port,
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})
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}
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return ks, nil
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}
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func (c *KubernetesRegistry) NewService(name string, nodes ...Node) Service {
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var snodes []*KubernetesNode
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for _, node := range nodes {
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if n, ok := node.(*KubernetesNode); ok {
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snodes = append(snodes, n)
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}
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}
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return &KubernetesService{
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ServiceName: name,
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ServiceNodes: snodes,
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}
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}
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func (c *KubernetesRegistry) NewNode(id, address string, port int) Node {
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return &KubernetesNode{
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NodeId: id,
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NodeAddress: address,
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NodePort: port,
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}
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}
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func NewKubernetesRegistry() Registry {
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client, _ := k8s.New(&k8s.Config{
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Host: "http://" + os.Getenv("KUBERNETES_RO_SERVICE_HOST") + ":" + os.Getenv("KUBERNETES_RO_SERVICE_PORT"),
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})
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kr := &KubernetesRegistry{
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Client: client,
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Namespace: "default",
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services: make(map[string]Service),
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}
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kr.Watch()
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return kr
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}
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