karmada/pkg/resourceinterpreter/defaultinterpreter/healthy.go

131 lines
3.9 KiB
Go

package defaultinterpreter
import (
appsv1 "k8s.io/api/apps/v1"
corev1 "k8s.io/api/core/v1"
networkingv1 "k8s.io/api/networking/v1"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/apimachinery/pkg/runtime/schema"
"github.com/karmada-io/karmada/pkg/util"
"github.com/karmada-io/karmada/pkg/util/helper"
)
type healthInterpreter func(object *unstructured.Unstructured) (bool, error)
func getAllDefaultHealthInterpreter() map[schema.GroupVersionKind]healthInterpreter {
s := make(map[schema.GroupVersionKind]healthInterpreter)
s[appsv1.SchemeGroupVersion.WithKind(util.DeploymentKind)] = interpretDeploymentHealth
s[appsv1.SchemeGroupVersion.WithKind(util.StatefulSetKind)] = interpretStatefulSetHealth
s[appsv1.SchemeGroupVersion.WithKind(util.ReplicaSetKind)] = interpretReplicaSetHealth
s[appsv1.SchemeGroupVersion.WithKind(util.DaemonSetKind)] = interpretDaemonSetHealth
s[corev1.SchemeGroupVersion.WithKind(util.ServiceKind)] = interpretServiceHealth
s[networkingv1.SchemeGroupVersion.WithKind(util.IngressKind)] = interpretIngressHealth
s[corev1.SchemeGroupVersion.WithKind(util.PersistentVolumeClaimKind)] = interpretPersistentVolumeClaimHealth
return s
}
func interpretDeploymentHealth(object *unstructured.Unstructured) (bool, error) {
deploy := &appsv1.Deployment{}
err := helper.ConvertToTypedObject(object, deploy)
if err != nil {
return false, err
}
healthy := (deploy.Status.UpdatedReplicas == *deploy.Spec.Replicas) && (deploy.Generation == deploy.Status.ObservedGeneration)
return healthy, nil
}
func interpretStatefulSetHealth(object *unstructured.Unstructured) (bool, error) {
statefulSet := &appsv1.StatefulSet{}
err := helper.ConvertToTypedObject(object, statefulSet)
if err != nil {
return false, err
}
healthy := (statefulSet.Status.UpdatedReplicas == *statefulSet.Spec.Replicas) && (statefulSet.Generation == statefulSet.Status.ObservedGeneration)
return healthy, nil
}
func interpretReplicaSetHealth(object *unstructured.Unstructured) (bool, error) {
replicaSet := &appsv1.ReplicaSet{}
err := helper.ConvertToTypedObject(object, replicaSet)
if err != nil {
return false, err
}
if replicaSet.Generation != replicaSet.Status.ObservedGeneration {
return false, nil
}
if replicaSet.Spec.Replicas != nil && replicaSet.Status.AvailableReplicas < *replicaSet.Spec.Replicas {
return false, nil
}
return true, nil
}
func interpretDaemonSetHealth(object *unstructured.Unstructured) (bool, error) {
daemonSet := &appsv1.DaemonSet{}
err := helper.ConvertToTypedObject(object, daemonSet)
if err != nil {
return false, err
}
if daemonSet.Generation != daemonSet.Status.ObservedGeneration {
return false, nil
}
if daemonSet.Status.UpdatedNumberScheduled < daemonSet.Status.DesiredNumberScheduled {
return false, nil
}
if daemonSet.Status.NumberAvailable < daemonSet.Status.DesiredNumberScheduled {
return false, nil
}
return true, nil
}
func interpretServiceHealth(object *unstructured.Unstructured) (bool, error) {
service := &corev1.Service{}
err := helper.ConvertToTypedObject(object, service)
if err != nil {
return false, err
}
if service.Spec.Type != corev1.ServiceTypeLoadBalancer {
return true, nil
}
for _, ingress := range service.Status.LoadBalancer.Ingress {
if ingress.Hostname != "" || ingress.IP != "" {
return true, nil
}
}
return false, nil
}
func interpretIngressHealth(object *unstructured.Unstructured) (bool, error) {
ingress := &networkingv1.Ingress{}
err := helper.ConvertToTypedObject(object, ingress)
if err != nil {
return false, err
}
for _, ing := range ingress.Status.LoadBalancer.Ingress {
if ing.Hostname != "" || ing.IP != "" {
return true, nil
}
}
return false, nil
}
func interpretPersistentVolumeClaimHealth(object *unstructured.Unstructured) (bool, error) {
pvc := &corev1.PersistentVolumeClaim{}
err := helper.ConvertToTypedObject(object, pvc)
if err != nil {
return false, err
}
return pvc.Status.Phase == corev1.ClaimBound, nil
}