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service.go
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service.go
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package nifi
import (
"fmt"
"strings"
"github.com/imdario/mergo"
"go.uber.org/zap"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/util/intstr"
runtimeClient "sigs.k8s.io/controller-runtime/pkg/client"
v1 "github.com/konpyutaika/nifikop/api/v1"
"github.com/konpyutaika/nifikop/pkg/resources/templates"
"github.com/konpyutaika/nifikop/pkg/util"
nifiutil "github.com/konpyutaika/nifikop/pkg/util/nifi"
)
func (r *Reconciler) service(id int32, log zap.Logger) runtimeClient.Object {
usedPorts := generateServicePortForInternalListeners(r.NifiCluster.Spec.ListenersConfig.InternalListeners)
return &corev1.Service{
ObjectMeta: templates.ObjectMetaWithAnnotations(nifiutil.ComputeNodeName(id, r.NifiCluster.Name),
// fmt.Sprintf("%s-%d", r.NifiCluster.Name, id),
util.MergeLabels(
r.NifiCluster.Spec.Service.Labels,
nifiutil.LabelsForNifi(r.NifiCluster.Name),
map[string]string{"nodeId": fmt.Sprintf("%d", id)},
),
r.NifiCluster.Spec.Service.Annotations,
r.NifiCluster),
Spec: corev1.ServiceSpec{
Type: corev1.ServiceTypeClusterIP,
SessionAffinity: corev1.ServiceAffinityNone,
Selector: util.MergeLabels(nifiutil.LabelsForNifi(r.NifiCluster.Name), map[string]string{"nodeId": fmt.Sprintf("%d", id)}),
Ports: usedPorts,
},
}
}
func (r *Reconciler) externalServices(log zap.Logger) []runtimeClient.Object {
var services []runtimeClient.Object
for _, eService := range r.NifiCluster.Spec.ExternalServices {
annotations := &eService.Metadata.Annotations
if err := mergo.Merge(annotations, r.NifiCluster.Spec.Service.Annotations); err != nil {
log.Error("error occurred during merging service annotations",
zap.String("clusterName", r.NifiCluster.Name),
zap.Error(err))
}
usedPorts := r.generateServicePortForExternalListeners(eService)
services = append(services, &corev1.Service{
ObjectMeta: templates.ObjectMetaWithAnnotations(
eService.Name,
util.MergeLabels(
r.NifiCluster.Spec.Service.Labels,
eService.Metadata.Labels,
nifiutil.LabelsForNifi(r.NifiCluster.Name),
),
*annotations,
r.NifiCluster),
Spec: corev1.ServiceSpec{
Type: eService.Spec.Type,
SessionAffinity: corev1.ServiceAffinityClientIP,
Selector: nifiutil.LabelsForNifi(r.NifiCluster.Name),
Ports: usedPorts,
ClusterIP: eService.Spec.ClusterIP,
ExternalIPs: eService.Spec.ExternalIPs,
LoadBalancerIP: eService.Spec.LoadBalancerIP,
LoadBalancerSourceRanges: eService.Spec.LoadBalancerSourceRanges,
ExternalName: eService.Spec.ExternalName,
LoadBalancerClass: eService.Spec.LoadBalancerClass,
InternalTrafficPolicy: eService.Spec.InternalTrafficPolicy,
ExternalTrafficPolicy: eService.Spec.ExternalTrafficPolicy,
},
})
}
return services
}
func generateServicePortForInternalListeners(listeners []v1.InternalListenerConfig) []corev1.ServicePort {
var usedPorts []corev1.ServicePort
for _, iListeners := range listeners {
usedPorts = append(usedPorts, corev1.ServicePort{
Name: strings.ReplaceAll(iListeners.Name, "_", ""),
Port: iListeners.ContainerPort,
TargetPort: intstr.FromInt(int(iListeners.ContainerPort)),
Protocol: iListeners.Protocol,
})
}
return usedPorts
}
func (r *Reconciler) generateServicePortForExternalListeners(eService v1.ExternalServiceConfig) []corev1.ServicePort {
var usedPorts []corev1.ServicePort
for _, port := range eService.Spec.PortConfigs {
for _, iListener := range r.NifiCluster.Spec.ListenersConfig.InternalListeners {
if port.InternalListenerName == iListener.Name {
newPort := corev1.ServicePort{
Name: strings.ReplaceAll(iListener.Name, "_", ""),
Port: port.Port,
TargetPort: intstr.FromInt(int(iListener.ContainerPort)),
Protocol: port.Protocol,
}
if eService.Spec.Type == corev1.ServiceTypeNodePort && port.NodePort != nil {
newPort.NodePort = *port.NodePort
}
usedPorts = append(usedPorts, newPort)
}
}
}
return usedPorts
}