✨ feat: add Go Kubernetes operator

operator/internal/controller/status.go

@@ -0,0 +1,53 @@
+package controller
+
+import (
+	"fmt"
+
+	corev1 "k8s.io/api/core/v1"
+	"k8s.io/apimachinery/pkg/api/meta"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+func conditionStatus(ok bool) metav1.ConditionStatus {
+	if ok {
+		return metav1.ConditionTrue
+	}
+	return metav1.ConditionFalse
+}
+
+func setCondition(conditions *[]metav1.Condition, c metav1.Condition) {
+	if c.Reason == "" {
+		c.Reason = "Unknown"
+	}
+	meta.SetStatusCondition(conditions, c)
+}
+
+func serviceEndpoint(svc *corev1.Service, namespace string) string {
+	internal := fmt.Sprintf("%s.%s.svc.cluster.local", svc.Name, namespace)
+	port := int32(0)
+	if len(svc.Spec.Ports) > 0 {
+		port = svc.Spec.Ports[0].Port
+	}
+
+	switch svc.Spec.Type {
+	case corev1.ServiceTypeLoadBalancer:
+		for _, ing := range svc.Status.LoadBalancer.Ingress {
+			if host := ing.Hostname; host != "" {
+				return fmt.Sprintf("%s:%d", host, port)
+			}
+			if ip := ing.IP; ip != "" {
+				return fmt.Sprintf("%s:%d", ip, port)
+			}
+		}
+		return ""
+
+	case corev1.ServiceTypeNodePort:
+		if len(svc.Spec.Ports) > 0 && svc.Spec.Ports[0].NodePort != 0 {
+			return fmt.Sprintf("<node-ip>:%d", svc.Spec.Ports[0].NodePort)
+		}
+		return internal
+
+	default:
+		return fmt.Sprintf("%s:%d", internal, port)
+	}
+}