linkerd2/multicluster/service-mirror/events_formatting.go

90 lines
2.8 KiB
Go

package servicemirror
import (
"fmt"
"strings"
consts "github.com/linkerd/linkerd2/pkg/k8s"
corev1 "k8s.io/api/core/v1"
)
func formatAddresses(addresses []corev1.EndpointAddress) string {
var addrs []string
for _, a := range addresses {
addrs = append(addrs, a.IP)
}
return fmt.Sprintf("[%s]", strings.Join(addrs, ","))
}
func formatMetadata(meta map[string]string) string {
var metadata []string
for k, v := range meta {
if strings.Contains(k, consts.Prefix) || strings.Contains(k, consts.ProxyConfigAnnotationsPrefix) {
metadata = append(metadata, fmt.Sprintf("%s=%s", k, v))
}
}
return fmt.Sprintf("[%s]", strings.Join(metadata, ","))
}
func formatPorts(ports []corev1.EndpointPort) string {
var formattedPorts []string
for _, p := range ports {
formattedPorts = append(formattedPorts, fmt.Sprintf("Port: {name: %s, port: %d}", p.Name, p.Port))
}
return fmt.Sprintf("[%s]", strings.Join(formattedPorts, ","))
}
func formatService(svc *corev1.Service) string {
return fmt.Sprintf("Service: {name: %s, namespace: %s, annotations: [%s], labels [%s]}", svc.Name, svc.Namespace, formatMetadata(svc.Annotations), formatMetadata(svc.Labels))
}
func formatEndpoints(endpoints *corev1.Endpoints) string {
var subsets []string
for _, ss := range endpoints.Subsets {
subsets = append(subsets, fmt.Sprintf("%s:%s", formatAddresses(ss.Addresses), formatPorts(ss.Ports)))
}
return fmt.Sprintf("Endpoints: {name: %s, namespace: %s, annotations: [%s], labels: [%s], subsets: [%s]}", endpoints.Name, endpoints.Namespace, formatMetadata(endpoints.Annotations), formatMetadata(endpoints.Labels), strings.Join(subsets, ","))
}
// Events for cluster watcher
func (rsc RemoteServiceCreated) String() string {
return fmt.Sprintf("RemoteServiceCreated: {service: %s}", formatService(rsc.service))
}
func (rsu RemoteServiceUpdated) String() string {
return fmt.Sprintf("RemoteServiceUpdated: {localService: %s, localEndpoints: %s, remoteUpdate: %s}", formatService(rsu.localService), formatEndpoints(rsu.localEndpoints), formatService(rsu.remoteUpdate))
}
func (rsd RemoteServiceDeleted) String() string {
return fmt.Sprintf("RemoteServiceDeleted: {name: %s, namespace: %s }", rsd.Name, rsd.Namespace)
}
func (cgu ClusterUnregistered) String() string {
return "ClusterUnregistered: {}"
}
func (cgu OrphanedServicesGcTriggered) String() string {
return "OrphanedServicesGcTriggered: {}"
}
func (oa OnAddCalled) String() string {
return fmt.Sprintf("OnAddCalled: {svc: %s}", formatService(oa.svc))
}
func (ou OnUpdateCalled) String() string {
return fmt.Sprintf("OnUpdateCalled: {svc: %s}", formatService(ou.svc))
}
func (od OnDeleteCalled) String() string {
return fmt.Sprintf("OnDeleteCalled: {svc: %s}", formatService(od.svc))
}
func (re RepairEndpoints) String() string {
return "RepairEndpoints"
}