chore: implemented ingress for extensions

Signed-off-by: Ankit152 <[email protected]>

Author: Ankit152

internal/manifests/collector/ingress.go

@@ -70,6 +70,38 @@ func Ingress(params manifests.Params) (*networkingv1.Ingress, error) {
 	}, nil
 }
 
+func ExtensionIngress(params manifests.Params) (*networkingv1.Ingress, error) {
+	name := naming.Ingress(params.OtelCol.Name)
+	labels := manifestutils.Labels(params.OtelCol.ObjectMeta, name, params.OtelCol.Spec.Image, ComponentOpenTelemetryCollector, params.Config.LabelsFilter())
+
+	ports, err := extensionServicePortsFromCfg(params.Log, params.OtelCol)
+
+	if err != nil {
+		return nil, err
+	}
+
+	// if there are no ports, no ingress required
+	if len(ports) == 0 {
+		return nil, nil
+	}
+
+	rules := createSubdomainIngressRules(name, "", ports)
+
+	return &networkingv1.Ingress{
+		ObjectMeta: metav1.ObjectMeta{
+			Name:        name,
+			Namespace:   params.OtelCol.Namespace,
+			Annotations: params.OtelCol.Spec.Ingress.Annotations, // can the spec annotations be used?
+			Labels:      labels,
+		},
+		Spec: networkingv1.IngressSpec{
+			TLS:              params.OtelCol.Spec.Ingress.TLS,
+			Rules:            rules,
+			IngressClassName: params.OtelCol.Spec.Ingress.IngressClassName,
+		},
+	}, nil
+}
+
 func createPathIngressRules(otelcol string, hostname string, ports []corev1.ServicePort) networkingv1.IngressRule {
 	pathType := networkingv1.PathTypePrefix
 	paths := make([]networkingv1.HTTPIngressPath, len(ports))
@@ -163,6 +195,15 @@ func servicePortsFromCfg(logger logr.Logger, otelcol v1beta1.OpenTelemetryCollec
 	return ports, nil
 }
 
+func extensionServicePortsFromCfg(logger logr.Logger, otelcol v1beta1.OpenTelemetryCollector) ([]corev1.ServicePort, error) {
+	ports, err := otelcol.Spec.Config.GetExtensionPorts(logger)
+	if err != nil {
+		return nil, err
+	}
+
+	return ports, nil
+}
+
 func toServicePorts(spec []v1beta1.PortsSpec) []corev1.ServicePort {
 	var ports []corev1.ServicePort
 	for _, p := range spec {