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Service Topology implementation

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* Implement Service Topology for ipvs and iptables proxier
* Add test files
* API validation
This commit is contained in:
Roc Chan
2019-07-16 17:22:43 +08:00
parent cdaeabfb46
commit c9cf3f5b72
25 changed files with 1006 additions and 43 deletions
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33
pkg/apis/core/validation/validation.go
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@@ -4053,6 +4053,35 @@ func ValidateService(service *core.Service) field.ErrorList {
ports[key] = true
}
// Validate TopologyKeys
if len(service.Spec.TopologyKeys) > 0 {
topoPath := specPath.Child("topologyKeys")
// topologyKeys is mutually exclusive with 'externalTrafficPolicy=Local'
if service.Spec.ExternalTrafficPolicy == core.ServiceExternalTrafficPolicyTypeLocal {
allErrs = append(allErrs, field.Forbidden(topoPath, "may not be specified when `externalTrafficPolicy=Local`"))
}
if len(service.Spec.TopologyKeys) > core.MaxServiceTopologyKeys {
allErrs = append(allErrs, field.TooMany(topoPath, len(service.Spec.TopologyKeys), core.MaxServiceTopologyKeys))
}
topoKeys := sets.NewString()
for i, key := range service.Spec.TopologyKeys {
keyPath := topoPath.Index(i)
if topoKeys.Has(key) {
allErrs = append(allErrs, field.Duplicate(keyPath, key))
}
topoKeys.Insert(key)
// "Any" must be the last value specified
if key == v1.TopologyKeyAny && i != len(service.Spec.TopologyKeys)-1 {
allErrs = append(allErrs, field.Invalid(keyPath, key, `"*" must be the last value specified`))
}
if key != v1.TopologyKeyAny {
for _, msg := range validation.IsQualifiedName(key) {
allErrs = append(allErrs, field.Invalid(keyPath, service.Spec.TopologyKeys, msg))
}
}
}
}
// Validate SourceRange field and annotation
_, ok := service.Annotations[core.AnnotationLoadBalancerSourceRangesKey]
if len(service.Spec.LoadBalancerSourceRanges) > 0 || ok {
@@ -4143,6 +4172,10 @@ func validateServiceExternalTrafficFieldsValue(service *core.Service) field.Erro
allErrs = append(allErrs, field.Invalid(field.NewPath("spec").Child("externalTrafficPolicy"), service.Spec.ExternalTrafficPolicy,
fmt.Sprintf("ExternalTrafficPolicy must be empty, %v or %v", core.ServiceExternalTrafficPolicyTypeCluster, core.ServiceExternalTrafficPolicyTypeLocal)))
}
// 'externalTrafficPolicy=Local' is mutually exclusive with topologyKeys
if service.Spec.ExternalTrafficPolicy == core.ServiceExternalTrafficPolicyTypeLocal && len(service.Spec.TopologyKeys) > 0 {
allErrs = append(allErrs, field.Forbidden(field.NewPath("spec").Child("externalTrafficPolicy"), "externalTrafficPolicy must not be set to 'Local' when topologyKeys is specified"))
}
if service.Spec.HealthCheckNodePort < 0 {
allErrs = append(allErrs, field.Invalid(field.NewPath("spec").Child("healthCheckNodePort"), service.Spec.HealthCheckNodePort,
"HealthCheckNodePort must be not less than 0"))