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Support multi-port services.

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This commit is contained in:
Timo Reimann 2018-04-16 14:44:04 +02:00 • committed by Traefiker Bot
parent 6b82a77e36
commit 21b8b2deb5
3 changed files with 120 additions and 19 deletions
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35
provider/kubernetes/kubernetes.go
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@ -8,7 +8,6 @@ import (
"fmt"
"os"
"reflect"
"strconv"
"strings"
"text/template"
"time"
@ -301,8 +300,13 @@ func (p *Provider) loadIngresses(k8sClient Client) (*types.Configuration, error)
}
for _, subset := range endpoints.Subsets {
endpointPort := endpointPortNumber(port, subset.Ports)
if endpointPort == 0 {
// endpoint port does not match service.
continue
}
for _, address := range subset.Addresses {
url := protocol + "://" + address.IP + ":" + strconv.Itoa(endpointPortNumber(port, subset.Ports))
url := fmt.Sprintf("%s://%s:%d", protocol, address.IP, endpointPort)
name := url
if address.TargetRef != nil && address.TargetRef.Name != "" {
name = address.TargetRef.Name
@ -468,18 +472,23 @@ func getTLS(ingress *extensionsv1beta1.Ingress, k8sClient Client) ([]*tls.Config
return tlsConfigs, nil
}
func endpointPortNumber(servicePort corev1.ServicePort, endpointPorts []corev1.EndpointPort) int {
if len(endpointPorts) > 0 {
// name is optional if there is only one port
port := endpointPorts[0]
for _, endpointPort := range endpointPorts {
if servicePort.Name == endpointPort.Name {
port = endpointPort
}
}
return int(port.Port)
// endpointPortNumber returns the port to be used for this endpoint. It is zero
// if the endpoint does not match the given service port.
func endpointPortNumber(servicePort corev1.ServicePort, endpointPorts []corev1.EndpointPort) int32 {
// Is this reasonable to assume?
if len(endpointPorts) == 0 {
return servicePort.Port
}
return int(servicePort.Port)
for _, endpointPort := range endpointPorts {
// For matching endpoints, the port names must correspond, either by
// being empty or non-empty. Multi-port services mandate non-empty
// names and allow us to filter for the right addresses.
if servicePort.Name == endpointPort.Name {
return endpointPort.Port
}
}
return 0
}
func equalPorts(servicePort corev1.ServicePort, ingressPort intstr.IntOrString) bool {