forked from kubeflow/arena
/
serving_seldon.go
255 lines (230 loc) · 7.35 KB
/
serving_seldon.go
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package serving
import (
"encoding/json"
"fmt"
"strings"
"github.com/kubeflow/arena/pkg/apis/config"
"github.com/kubeflow/arena/pkg/apis/types"
"github.com/kubeflow/arena/pkg/k8saccesser"
"github.com/kubeflow/arena/pkg/util"
"github.com/kubeflow/arena/pkg/workflow"
log "github.com/sirupsen/logrus"
v1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
const (
seldonApp = "seldon-app"
seldonGrpcServingPortName = "grpc"
seldonRestfulServingPortName = "http"
)
// SeldonServingProcesser use the default processer
type SeldonServingProcesser struct {
*processer
}
type seldonServingJob struct {
*servingJob
}
func NewSeldonServingProcesser() Processer {
p := &processer{
processerType: types.SeldonServingJob,
client: config.GetArenaConfiger().GetClientSet(),
enable: true,
useIstioGateway: true,
}
return &SeldonServingProcesser{
processer: p,
}
}
func (p *SeldonServingProcesser) GetServingJobs(namespace, name, version string) ([]ServingJob, error) {
selector := []string{
fmt.Sprintf("%v=%v", servingNameLabelKey, name),
fmt.Sprintf("%v=%v", servingTypeLabelKey, p.processerType),
}
if version != "" {
selector = append(selector, fmt.Sprintf("%v=%v", servingVersionLabelKey, version))
}
return p.FilterServingJobs(namespace, false, strings.Join(selector, ","))
}
func (p *SeldonServingProcesser) ListServingJobs(namespace string, allNamespace bool) ([]ServingJob, error) {
selector := fmt.Sprintf("%v=%v", servingTypeLabelKey, p.processerType)
arenaConfiger := config.GetArenaConfiger()
if arenaConfiger.IsIsolateUserInNamespace() {
selector = fmt.Sprintf("%v,%v=%v", selector, types.UserNameIdLabel, arenaConfiger.GetUser().GetId())
}
return p.FilterServingJobs(namespace, allNamespace, selector)
}
func (s *seldonServingJob) Convert2JobInfo() types.ServingJobInfo {
servingType := types.ServingTypeMap[s.servingType].Alias
servingJobInfo := types.ServingJobInfo{
UUID: s.Uid(),
Name: s.name,
Namespace: s.namespace,
Version: s.version,
Type: servingType,
Age: util.ShortHumanDuration(s.Age()),
Desired: s.DesiredInstances(),
IPAddress: s.IPAddress(),
Available: s.AvailableInstances(),
RequestGPUs: s.RequestGPUs(),
RequestGPUMemory: s.RequestGPUMemory(),
Endpoints: s.Endpoints(),
Instances: s.Instances(),
CreationTimestamp: s.StartTime().Unix(),
}
return servingJobInfo
}
func (s *seldonServingJob) IPAddress() string {
// 1.search istio gateway
for _, svc := range s.istioServices {
if svc.Spec.Type == v1.ServiceTypeLoadBalancer && len(svc.Status.LoadBalancer.Ingress) != 0 {
return svc.Status.LoadBalancer.Ingress[0].IP
}
}
// 2.search ingress load balancer
ipAddress := "N/A"
for _, svc := range s.services {
if svc.Spec.Type == v1.ServiceTypeLoadBalancer && len(svc.Status.LoadBalancer.Ingress) != 0 {
return svc.Status.LoadBalancer.Ingress[0].IP
}
// if the service is not we created,skip it
ports := svc.Spec.Ports
found := false
for _, p := range ports {
if p.Name == seldonGrpcServingPortName {
found = true
break
}
if p.Name == seldonRestfulServingPortName {
found = true
break
}
}
if !found {
continue
}
if ipAddress == "N/A" {
ipAddress = svc.Spec.ClusterIP
}
}
return ipAddress
}
func (s *seldonServingJob) Endpoints() []types.Endpoint {
endpoints := []types.Endpoint{}
for _, svc := range s.istioServices {
if svc.Spec.Type == v1.ServiceTypeLoadBalancer && len(svc.Status.LoadBalancer.Ingress) != 0 {
for _, p := range svc.Spec.Ports {
if p.Name == istioGatewayHTTPPortName {
endpoint := types.Endpoint{
Name: "HTTP",
Port: int(p.Port),
}
endpoints = append(endpoints, endpoint)
continue
}
if p.Name == istioGatewayHTTPsPortName {
endpoint := types.Endpoint{
Name: "HTTPS",
Port: int(p.Port),
}
endpoints = append(endpoints, endpoint)
continue
}
}
}
}
if len(endpoints) != 0 {
return endpoints
}
for _, svc := range s.services {
for _, p := range svc.Spec.Ports {
if p.Name != seldonGrpcServingPortName && p.Name != seldonRestfulServingPortName {
log.Debugf("the service %v has no ports which names are %v and %v,skip pick its' ports", svc.Name, grpcServingPortName, restfulServingPortName)
continue
}
name := "restful"
if strings.Contains(seldonGrpcServingPortName, p.Name) {
name = "grpc"
}
endpoint := types.Endpoint{
Name: strings.ToUpper(name),
NodePort: int(p.NodePort),
Port: int(p.Port),
}
endpoints = append(endpoints, endpoint)
}
}
return endpoints
}
func (p *SeldonServingProcesser) FilterServingJobs(namespace string, allNamespace bool, label string) ([]ServingJob, error) {
if allNamespace {
namespace = metav1.NamespaceAll
}
deployments, err := k8saccesser.GetK8sResourceAccesser().ListDeployments(namespace, label)
if err != nil {
return nil, err
}
selector := fmt.Sprintf("%v,%v,%v=%v", servingNameLabelKey, servingVersionLabelKey, servingTypeLabelKey, p.processerType)
pods, err := k8saccesser.GetK8sResourceAccesser().ListPods(namespace, selector, "", nil)
if err != nil {
return nil, err
}
istioGatewayServices := p.getIstioGatewayService()
servingJobs := []ServingJob{}
for _, deployment := range deployments {
filterPods := []*v1.Pod{}
filterServices := []*v1.Service{}
for _, pod := range pods {
if p.isDeploymentPod(deployment, pod) {
filterPods = append(filterPods, pod)
}
}
serviceSelector := fmt.Sprintf("%v=%v", seldonApp, deployment.Labels[seldonApp])
services, err := k8saccesser.GetK8sResourceAccesser().ListServices(namespace, serviceSelector)
if err != nil {
continue
}
filterServices = append(filterServices, services...)
job := &servingJob{
name: deployment.Labels[servingNameLabelKey],
namespace: deployment.Namespace,
servingType: p.processerType,
version: deployment.Labels[servingVersionLabelKey],
deployment: deployment,
pods: filterPods,
services: filterServices,
istioServices: istioGatewayServices,
}
servingJobs = append(servingJobs, &seldonServingJob{
servingJob: job,
})
}
return servingJobs, nil
}
func SubmitSeldonServingJob(namespace string, args *types.SeldonServingArgs) (err error) {
nameWithVersion := fmt.Sprintf("%v-%v", args.Name, args.Version)
args.Namespace = namespace
processers := GetAllProcesser()
processer, ok := processers[args.Type]
if !ok {
return fmt.Errorf("not found processer whose type is %v", args.Type)
}
jobs, err := processer.GetServingJobs(args.Namespace, args.Name, args.Version)
if err != nil {
return err
}
if err := ValidateJobsBeforeSubmiting(jobs, args.Name); err != nil {
return err
}
// the master is also considered as a worker
chart := util.GetChartsFolder() + "/seldon-core"
log.Infof("seldon chart path: %s", chart)
temp, _ := json.Marshal(args)
log.Infof("seldon args: %s", string(temp))
err = workflow.SubmitJob(nameWithVersion, string(types.SeldonServingJob), namespace, args, chart, args.HelmOptions...)
if err != nil {
return err
}
log.Infof("The Job %s has been submitted successfully", args.Name)
log.Infof("You can run `arena serve get %s --type %s -n %s` to check the job status", args.Name, args.Type, args.Namespace)
return nil
}