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Clarify intstr.IntValue() behavior

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This commit is contained in:
Jordan Liggitt 2019-12-11 12:14:26 -05:00
parent 0e15d26fe7
commit cdf2e794a5
3 changed files with 15 additions and 8 deletions
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1
pkg/proxy/winkernel/BUILD
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@ -24,6 +24,7 @@ go_library(
"//pkg/util/async:go_default_library", "//pkg/util/async:go_default_library",
"//staging/src/k8s.io/api/core/v1:go_default_library", "//staging/src/k8s.io/api/core/v1:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/types:go_default_library", "//staging/src/k8s.io/apimachinery/pkg/types:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/util/intstr:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/util/sets:go_default_library", "//staging/src/k8s.io/apimachinery/pkg/util/sets:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/util/wait:go_default_library", "//staging/src/k8s.io/apimachinery/pkg/util/wait:go_default_library",
"//staging/src/k8s.io/apiserver/pkg/features:go_default_library", "//staging/src/k8s.io/apiserver/pkg/features:go_default_library",

19
pkg/proxy/winkernel/proxier.go
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@ -36,6 +36,7 @@ import (
"k8s.io/api/core/v1" "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/types" "k8s.io/apimachinery/pkg/types"
"k8s.io/apimachinery/pkg/util/intstr"
"k8s.io/apimachinery/pkg/util/sets" "k8s.io/apimachinery/pkg/util/sets"
"k8s.io/apimachinery/pkg/util/wait" "k8s.io/apimachinery/pkg/util/wait"
genericfeatures "k8s.io/apiserver/pkg/features" genericfeatures "k8s.io/apiserver/pkg/features"
@ -233,14 +234,18 @@ func newServiceInfo(svcPortName proxy.ServicePortName, port *v1.ServicePort, ser
if err != nil { if err != nil {
preserveDIP = false preserveDIP = false
} }
// targetPort is zero if it is specified as a name in port.TargetPort.
// Its real value would be got later from endpoints.
targetPort := 0
if port.TargetPort.Type == intstr.Int {
targetPort = port.TargetPort.IntValue()
}
info := &serviceInfo{ info := &serviceInfo{
clusterIP: net.ParseIP(service.Spec.ClusterIP), clusterIP: net.ParseIP(service.Spec.ClusterIP),
port: int(port.Port), port: int(port.Port),
protocol: port.Protocol, protocol: port.Protocol,
nodePort: int(port.NodePort), nodePort: int(port.NodePort),
// targetPort is zero if it is specified as a name in port.TargetPort. targetPort: targetPort,
// Its real value would be got later from endpoints.
targetPort: port.TargetPort.IntValue(),
// Deep-copy in case the service instance changes // Deep-copy in case the service instance changes
loadBalancerStatus: *service.Status.LoadBalancer.DeepCopy(), loadBalancerStatus: *service.Status.LoadBalancer.DeepCopy(),
sessionAffinityType: service.Spec.SessionAffinity, sessionAffinityType: service.Spec.SessionAffinity,

3
staging/src/k8s.io/apimachinery/pkg/util/intstr/intstr.go
View File

@ -97,7 +97,8 @@ func (intstr *IntOrString) String() string {
} }
// IntValue returns the IntVal if type Int, or if // IntValue returns the IntVal if type Int, or if
// it is a String, will attempt a conversion to int. // it is a String, will attempt a conversion to int,
// returning 0 if a parsing error occurs.
func (intstr *IntOrString) IntValue() int { func (intstr *IntOrString) IntValue() int {
if intstr.Type == String { if intstr.Type == String {
i, _ := strconv.Atoi(intstr.StrVal) i, _ := strconv.Atoi(intstr.StrVal)