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Validate if service has duplicate port

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This commit is contained in:
xiangpengzhao
2017-06-12 14:31:37 +08:00
parent 1bc56825a2
commit 3f28074c54
2 changed files with 31 additions and 0 deletions
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13
pkg/api/validation/validation.go
View File

@@ -2913,6 +2913,19 @@ func ValidateService(service *api.Service) field.ErrorList {
nodePorts[key] = true nodePorts[key] = true
} }
// Check for duplicate Ports, considering (protocol,port) pairs
portsPath = specPath.Child("ports")
ports := make(map[api.ServicePort]bool)
for i, port := range service.Spec.Ports {
portPath := portsPath.Index(i)
key := api.ServicePort{Protocol: port.Protocol, Port: port.Port}
_, found := ports[key]
if found {
allErrs = append(allErrs, field.Duplicate(portPath, key))
}
ports[key] = true
}
// Check for duplicate TargetPort // Check for duplicate TargetPort
portsPath = specPath.Child("ports") portsPath = specPath.Child("ports")
targetPorts := make(map[api.ServicePort]bool) targetPorts := make(map[api.ServicePort]bool)

18
pkg/api/validation/validation_test.go
View File

@@ -6302,6 +6302,24 @@ func TestValidateService(t *testing.T) {
}, },
numErrs: 0, numErrs: 0,
}, },
{
name: "invalid duplicate ports (with same protocol)",
tweakSvc: func(s *api.Service) {
s.Spec.Type = api.ServiceTypeClusterIP
s.Spec.Ports = append(s.Spec.Ports, api.ServicePort{Name: "q", Port: 12345, Protocol: "TCP", TargetPort: intstr.FromInt(8080)})
s.Spec.Ports = append(s.Spec.Ports, api.ServicePort{Name: "r", Port: 12345, Protocol: "TCP", TargetPort: intstr.FromInt(80)})
},
numErrs: 1,
},
{
name: "valid duplicate ports (with different protocols)",
tweakSvc: func(s *api.Service) {
s.Spec.Type = api.ServiceTypeClusterIP
s.Spec.Ports = append(s.Spec.Ports, api.ServicePort{Name: "q", Port: 12345, Protocol: "TCP", TargetPort: intstr.FromInt(8080)})
s.Spec.Ports = append(s.Spec.Ports, api.ServicePort{Name: "r", Port: 12345, Protocol: "UDP", TargetPort: intstr.FromInt(80)})
},
numErrs: 0,
},
{ {
name: "invalid duplicate targetports (number with same protocol)", name: "invalid duplicate targetports (number with same protocol)",
tweakSvc: func(s *api.Service) { tweakSvc: func(s *api.Service) {