Remove HostRecord annotation (beta feature)

The annotation has made it to GA so this code should be deleted.

pkg/api/endpoints/util.go

@@ -28,18 +28,6 @@ import (
 	hashutil "k8s.io/kubernetes/pkg/util/hash"
 )
 
-const (
-	// TODO: to be deleted after v1.3 is released
-	// Its value is the json representation of map[string(IP)][HostRecord]
-	// example: '{"10.245.1.6":{"HostName":"my-webserver"}}'
-	PodHostnamesAnnotation = "endpoints.beta.kubernetes.io/hostnames-map"
-)
-
-// TODO: to be deleted after v1.3 is released
-type HostRecord struct {
-	HostName string
-}
-
 // RepackSubsets takes a slice of EndpointSubset objects, expands it to the full
 // representation, and then repacks that into the canonical layout.  This
 // ensures that code which operates on these objects can rely on the common

pkg/api/v1/endpoints/util.go

@@ -28,18 +28,6 @@ import (
 	hashutil "k8s.io/kubernetes/pkg/util/hash"
 )
 
-const (
-	// TODO: to be deleted after v1.3 is released
-	// Its value is the json representation of map[string(IP)][HostRecord]
-	// example: '{"10.245.1.6":{"HostName":"my-webserver"}}'
-	PodHostnamesAnnotation = "endpoints.beta.kubernetes.io/hostnames-map"
-)
-
-// TODO: to be deleted after v1.3 is released
-type HostRecord struct {
-	HostName string
-}
-
 // RepackSubsets takes a slice of EndpointSubset objects, expands it to the full
 // representation, and then repacks that into the canonical layout.  This
 // ensures that code which operates on these objects can rely on the common

pkg/api/validation/BUILD

@@ -19,7 +19,6 @@ go_library(
     tags = ["automanaged"],
     deps = [
         "//pkg/api:go_default_library",
-        "//pkg/api/endpoints:go_default_library",
         "//pkg/api/meta:go_default_library",
         "//pkg/api/pod:go_default_library",
         "//pkg/api/resource:go_default_library",

pkg/api/validation/validation.go

@@ -28,7 +28,6 @@ import (
 
 	"github.com/golang/glog"
 	"k8s.io/kubernetes/pkg/api"
-	"k8s.io/kubernetes/pkg/api/endpoints"
 	utilpod "k8s.io/kubernetes/pkg/api/pod"
 	"k8s.io/kubernetes/pkg/api/resource"
 	apiservice "k8s.io/kubernetes/pkg/api/service"
@@ -183,13 +182,6 @@ func ValidatePodSpecificAnnotationUpdates(newPod, oldPod *api.Pod, fldPath *fiel
 
 func ValidateEndpointsSpecificAnnotations(annotations map[string]string, fldPath *field.Path) field.ErrorList {
 	allErrs := field.ErrorList{}
-	// TODO: remove this after we EOL the annotation.
-	hostnamesMap, exists := annotations[endpoints.PodHostnamesAnnotation]
-	if exists && !isValidHostnamesMap(hostnamesMap) {
-		allErrs = append(allErrs, field.Invalid(fldPath, endpoints.PodHostnamesAnnotation,
-			`must be a valid json representation of map[string(IP)][HostRecord] e.g. "{"10.245.1.6":{"HostName":"my-webserver"}}"`))
-	}
-
 	return allErrs
 }
 
@@ -3725,28 +3717,6 @@ func ValidateLoadBalancerStatus(status *api.LoadBalancerStatus, fldPath *field.P
 	return allErrs
 }
 
-// TODO: remove this after we EOL the annotation that carries it.
-func isValidHostnamesMap(serializedPodHostNames string) bool {
-	if len(serializedPodHostNames) == 0 {
-		return false
-	}
-	podHostNames := map[string]endpoints.HostRecord{}
-	err := json.Unmarshal([]byte(serializedPodHostNames), &podHostNames)
-	if err != nil {
-		return false
-	}
-
-	for ip, hostRecord := range podHostNames {
-		if len(validation.IsDNS1123Label(hostRecord.HostName)) != 0 {
-			return false
-		}
-		if net.ParseIP(ip) == nil {
-			return false
-		}
-	}
-	return true
-}
-
 func sysctlIntersection(a []api.Sysctl, b []api.Sysctl) []string {
 	lookup := make(map[string]struct{}, len(a))
 	result := []string{}

pkg/controller/endpoint/endpoints_controller.go

@@ -22,8 +22,6 @@ import (
 	"strconv"
 	"time"
 
-	"encoding/json"
-
 	"k8s.io/kubernetes/pkg/api/errors"
 	"k8s.io/kubernetes/pkg/api/v1"
 	"k8s.io/kubernetes/pkg/api/v1/endpoints"
@@ -371,7 +369,6 @@ func (e *EndpointController) syncService(key string) error {
 	}
 
 	subsets := []v1.EndpointSubset{}
-	podHostNames := map[string]endpoints.HostRecord{}
 
 	var tolerateUnreadyEndpoints bool
 	if v, ok := service.Annotations[TolerateUnreadyEndpointsAnnotation]; ok {
@@ -424,11 +421,6 @@ func (e *EndpointController) syncService(key string) error {
 			if len(hostname) > 0 &&
 				getSubdomain(pod) == service.Name &&
 				service.Namespace == pod.Namespace {
-				hostRecord := endpoints.HostRecord{
-					HostName: hostname,
-				}
-				// TODO: stop populating podHostNames annotation in 1.4
-				podHostNames[string(pod.Status.PodIP)] = hostRecord
 				epa.Hostname = hostname
 			}
 
@@ -465,17 +457,6 @@ func (e *EndpointController) syncService(key string) error {
 		}
 	}
 
-	serializedPodHostNames := ""
-	if len(podHostNames) > 0 {
-		b, err := json.Marshal(podHostNames)
-		if err != nil {
-			return err
-		}
-		serializedPodHostNames = string(b)
-	}
-
-	newAnnotations := make(map[string]string)
-	newAnnotations[endpoints.PodHostnamesAnnotation] = serializedPodHostNames
 	if reflect.DeepEqual(currentEndpoints.Subsets, subsets) &&
 		reflect.DeepEqual(currentEndpoints.Labels, service.Labels) {
 		glog.V(5).Infof("endpoints are equal for %s/%s, skipping update", service.Namespace, service.Name)
@@ -487,11 +468,6 @@ func (e *EndpointController) syncService(key string) error {
 	if newEndpoints.Annotations == nil {
 		newEndpoints.Annotations = make(map[string]string)
 	}
-	if len(serializedPodHostNames) == 0 {
-		delete(newEndpoints.Annotations, endpoints.PodHostnamesAnnotation)
-	} else {
-		newEndpoints.Annotations[endpoints.PodHostnamesAnnotation] = serializedPodHostNames
-	}
 
 	glog.V(4).Infof("Update endpoints for %v/%v, ready: %d not ready: %d", service.Namespace, service.Name, readyEps, notReadyEps)
 	createEndpoints := len(currentEndpoints.ResourceVersion) == 0