fix application reconcile

Signed-off-by: zackzhang <zackzhang@yunify.com>

pkg/controller/utils/servicemesh/application.go

@@ -0,0 +1,141 @@
+package servicemesh
+
+import (
+	apiv1alpha3 "istio.io/api/networking/v1alpha3"
+	"istio.io/client-go/pkg/apis/networking/v1alpha3"
+	corev1 "k8s.io/api/core/v1"
+	"k8s.io/apimachinery/pkg/apis/meta/v1"
+	"strings"
+)
+
+const (
+	AppLabel                     = "app"
+	VersionLabel                 = "version"
+	ApplicationNameLabel         = "app.kubernetes.io/name"
+	ApplicationVersionLabel      = "app.kubernetes.io/version"
+	ServiceMeshEnabledAnnotation = "servicemesh.kubesphere.io/enabled"
+)
+
+// resource with these following labels considered as part of servicemesh
+var ApplicationLabels = [...]string{
+	ApplicationNameLabel,
+	ApplicationVersionLabel,
+	AppLabel,
+}
+
+// resource with these following labels considered as part of kubernetes-sigs/application
+var AppLabels = [...]string{
+	ApplicationNameLabel,
+	ApplicationVersionLabel,
+}
+
+var TrimChars = [...]string{".", "_", "-"}
+
+// normalize version names
+// strip [_.-]
+func NormalizeVersionName(version string) string {
+	for _, char := range TrimChars {
+		version = strings.ReplaceAll(version, char, "")
+	}
+	return version
+}
+
+func GetApplictionName(lbs map[string]string) string {
+	if name, ok := lbs[ApplicationNameLabel]; ok {
+		return name
+	}
+	return ""
+
+}
+
+func GetComponentName(meta *v1.ObjectMeta) string {
+	if len(meta.Labels[AppLabel]) > 0 {
+		return meta.Labels[AppLabel]
+	}
+	return ""
+}
+
+func IsServicemeshEnabled(annotations map[string]string) bool {
+	if enabled, ok := annotations[ServiceMeshEnabledAnnotation]; ok {
+		if enabled == "true" {
+			return true
+		}
+	}
+	return false
+}
+
+func GetComponentVersion(meta *v1.ObjectMeta) string {
+	if len(meta.Labels[VersionLabel]) > 0 {
+		return meta.Labels[VersionLabel]
+	}
+	return ""
+}
+
+func ExtractApplicationLabels(meta *v1.ObjectMeta) map[string]string {
+
+	labels := make(map[string]string, len(ApplicationLabels))
+	for _, label := range ApplicationLabels {
+		if _, ok := meta.Labels[label]; !ok {
+			return nil
+		} else {
+			labels[label] = meta.Labels[label]
+		}
+	}
+
+	return labels
+}
+
+func IsApplicationComponent(lbs map[string]string) bool {
+
+	for _, label := range ApplicationLabels {
+		if _, ok := lbs[label]; !ok {
+			return false
+		}
+	}
+
+	return true
+}
+
+// Whether it belongs to kubernetes-sigs/application or not
+func IsAppComponent(lbs map[string]string) bool {
+
+	for _, label := range AppLabels {
+		if _, ok := lbs[label]; !ok {
+			return false
+		}
+	}
+
+	return true
+}
+
+// if virtualservice not specified with port number, then fill with service first port
+func FillDestinationPort(vs *v1alpha3.VirtualService, service *corev1.Service) {
+	// fill http port
+	for i := range vs.Spec.Http {
+		for j := range vs.Spec.Http[i].Route {
+			port := vs.Spec.Http[i].Route[j].Destination.Port
+			if port == nil || port.Number == 0 {
+				vs.Spec.Http[i].Route[j].Destination.Port = &apiv1alpha3.PortSelector{
+					Number: uint32(service.Spec.Ports[0].Port),
+				}
+			}
+		}
+
+		if vs.Spec.Http[i].Mirror != nil && (vs.Spec.Http[i].Mirror.Port == nil || vs.Spec.Http[i].Mirror.Port.Number == 0) {
+			vs.Spec.Http[i].Mirror.Port = &apiv1alpha3.PortSelector{
+				Number: uint32(service.Spec.Ports[0].Port),
+			}
+		}
+	}
+
+	// fill tcp port
+	for i := range vs.Spec.Tcp {
+		for j := range vs.Spec.Tcp[i].Route {
+			if vs.Spec.Tcp[i].Route[j].Destination.Port == nil || vs.Spec.Tcp[i].Route[j].Destination.Port.Number == 0 {
+				vs.Spec.Tcp[i].Route[j].Destination.Port = &apiv1alpha3.PortSelector{
+					Number: uint32(service.Spec.Ports[0].Port),
+				}
+			}
+		}
+	}
+}