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Native Kubernetes service load-balancing at the provider level

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Prajith 2024-04-29 15:50:04 +05:30 • committed by GitHub
parent 73e5dbbfe5
commit 8d2a2ff08f
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23 changed files with 642 additions and 50 deletions
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34
pkg/provider/kubernetes/crd/kubernetes_http.go
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@ -55,6 +55,7 @@ func (p *Provider) loadIngressRouteConfiguration(ctx context.Context, client Cli
allowCrossNamespace: p.AllowCrossNamespace,
allowExternalNameServices: p.AllowExternalNameServices,
allowEmptyServices: p.AllowEmptyServices,
NativeLBByDefault: p.NativeLBByDefault,
}
for _, route := range ingressRoute.Spec.Routes {
@ -202,6 +203,7 @@ type configBuilder struct {
allowCrossNamespace bool
allowExternalNameServices bool
allowEmptyServices bool
NativeLBByDefault bool
}
// buildTraefikService creates the configuration for the traefik service defined in tService,
@ -377,20 +379,6 @@ func (c configBuilder) loadServers(parentNamespace string, svc traefikv1alpha1.L
return nil, err
}
if svc.NativeLB {
address, err := getNativeServiceAddress(*service, *svcPort)
if err != nil {
return nil, fmt.Errorf("getting native Kubernetes Service address: %w", err)
}
protocol, err := parseServiceProtocol(svc.Scheme, svcPort.Name, svcPort.Port)
if err != nil {
return nil, err
}
return []dynamic.Server{{URL: fmt.Sprintf("%s://%s", protocol, address)}}, nil
}
var servers []dynamic.Server
if service.Spec.Type == corev1.ServiceTypeExternalName {
if !c.allowExternalNameServices {
@ -409,6 +397,24 @@ func (c configBuilder) loadServers(parentNamespace string, svc traefikv1alpha1.L
}), nil
}
nativeLB := c.NativeLBByDefault
if svc.NativeLB != nil {
nativeLB = *svc.NativeLB
}
if nativeLB {
address, err := getNativeServiceAddress(*service, *svcPort)
if err != nil {
return nil, fmt.Errorf("getting native Kubernetes Service address: %w", err)
}
protocol, err := parseServiceProtocol(svc.Scheme, svcPort.Name, svcPort.Port)
if err != nil {
return nil, err
}
return []dynamic.Server{{URL: fmt.Sprintf("%s://%s", protocol, address)}}, nil
}
endpoints, endpointsExists, endpointsErr := c.client.GetEndpoints(namespace, sanitizedName)
if endpointsErr != nil {
return nil, endpointsErr