/
service.go
53 lines (43 loc) · 1.18 KB
/
service.go
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package service
import (
"fmt"
entry "github.com/stackanetes/kubernetes-entrypoint/entrypoint"
"github.com/stackanetes/kubernetes-entrypoint/util/env"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
const FailingStatusFormat = "Service %v has no endpoints"
type Service struct {
name string
namespace string
}
func init() {
serviceEnv := fmt.Sprintf("%sSERVICE", entry.DependencyPrefix)
if serviceDeps := env.SplitEnvToDeps(serviceEnv); serviceDeps != nil {
if len(serviceDeps) > 0 {
for _, dep := range serviceDeps {
entry.Register(NewService(dep.Name, dep.Namespace))
}
}
}
}
func NewService(name string, namespace string) Service {
return Service{
name: name,
namespace: namespace,
}
}
func (s Service) IsResolved(entrypoint entry.EntrypointInterface) (bool, error) {
e, err := entrypoint.Client().Endpoints(s.namespace).Get(s.name, metav1.GetOptions{})
if err != nil {
return false, err
}
for _, subset := range e.Subsets {
if len(subset.Addresses) > 0 {
return true, nil
}
}
return false, fmt.Errorf(FailingStatusFormat, s.name)
}
func (s Service) String() string {
return fmt.Sprintf("Service %s in namespace %s", s.name, s.namespace)
}