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health_daemonset.go
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health_daemonset.go
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package health
import (
"fmt"
"github.com/argoproj/gitops-engine/pkg/utils/kube"
appsv1 "k8s.io/api/apps/v1"
appsv1beta2 "k8s.io/api/apps/v1beta2"
extv1beta1 "k8s.io/api/extensions/v1beta1"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/apimachinery/pkg/runtime"
)
func getDaemonSetHealth(obj *unstructured.Unstructured) (*HealthStatus, error) {
gvk := obj.GroupVersionKind()
switch gvk {
case appsv1.SchemeGroupVersion.WithKind(kube.DaemonSetKind):
var daemon appsv1.DaemonSet
err := runtime.DefaultUnstructuredConverter.FromUnstructured(obj.Object, &daemon)
if err != nil {
return nil, fmt.Errorf("failed to convert unstructured DaemonSet to typed: %v", err)
}
return getAppsv1DaemonSetHealth(&daemon)
case appsv1beta2.SchemeGroupVersion.WithKind(kube.DaemonSetKind):
var daemon appsv1beta2.DaemonSet
err := runtime.DefaultUnstructuredConverter.FromUnstructured(obj.Object, &daemon)
if err != nil {
return nil, fmt.Errorf("failed to convert unstructured DaemonSet to typed: %v", err)
}
return getAppsv1beta1DaemonSetHealth(&daemon)
case extv1beta1.SchemeGroupVersion.WithKind(kube.DaemonSetKind):
var daemon extv1beta1.DaemonSet
err := runtime.DefaultUnstructuredConverter.FromUnstructured(obj.Object, &daemon)
if err != nil {
return nil, fmt.Errorf("failed to convert unstructured DaemonSet to typed: %v", err)
}
return getExtv1beta1DaemonSetHealth(&daemon)
default:
return nil, fmt.Errorf("unsupported DaemonSet GVK: %s", gvk)
}
}
func getAppsv1DaemonSetHealth(daemon *appsv1.DaemonSet) (*HealthStatus, error) {
// Borrowed at kubernetes/kubectl/rollout_status.go https://github.com/kubernetes/kubernetes/blob/5232ad4a00ec93942d0b2c6359ee6cd1201b46bc/pkg/kubectl/rollout_status.go#L110
if daemon.Generation <= daemon.Status.ObservedGeneration {
if daemon.Spec.UpdateStrategy.Type == appsv1.OnDeleteDaemonSetStrategyType {
return &HealthStatus{
Status: HealthStatusHealthy,
Message: fmt.Sprintf("daemon set %d out of %d new pods have been updated", daemon.Status.UpdatedNumberScheduled, daemon.Status.DesiredNumberScheduled),
}, nil
}
if daemon.Status.UpdatedNumberScheduled < daemon.Status.DesiredNumberScheduled {
return &HealthStatus{
Status: HealthStatusProgressing,
Message: fmt.Sprintf("Waiting for daemon set %q rollout to finish: %d out of %d new pods have been updated...", daemon.Name, daemon.Status.UpdatedNumberScheduled, daemon.Status.DesiredNumberScheduled),
}, nil
}
if daemon.Status.NumberAvailable < daemon.Status.DesiredNumberScheduled {
return &HealthStatus{
Status: HealthStatusProgressing,
Message: fmt.Sprintf("Waiting for daemon set %q rollout to finish: %d of %d updated pods are available...", daemon.Name, daemon.Status.NumberAvailable, daemon.Status.DesiredNumberScheduled),
}, nil
}
} else {
return &HealthStatus{
Status: HealthStatusProgressing,
Message: "Waiting for rollout to finish: observed daemon set generation less then desired generation",
}, nil
}
return &HealthStatus{
Status: HealthStatusHealthy,
}, nil
}
func getAppsv1beta1DaemonSetHealth(daemon *appsv1beta2.DaemonSet) (*HealthStatus, error) {
// Borrowed at kubernetes/kubectl/rollout_status.go https://github.com/kubernetes/kubernetes/blob/5232ad4a00ec93942d0b2c6359ee6cd1201b46bc/pkg/kubectl/rollout_status.go#L110
if daemon.Generation <= daemon.Status.ObservedGeneration {
if daemon.Spec.UpdateStrategy.Type == appsv1beta2.OnDeleteDaemonSetStrategyType {
return &HealthStatus{
Status: HealthStatusHealthy,
Message: fmt.Sprintf("daemon set %d out of %d new pods have been updated", daemon.Status.UpdatedNumberScheduled, daemon.Status.DesiredNumberScheduled),
}, nil
}
if daemon.Status.UpdatedNumberScheduled < daemon.Status.DesiredNumberScheduled {
return &HealthStatus{
Status: HealthStatusProgressing,
Message: fmt.Sprintf("Waiting for daemon set %q rollout to finish: %d out of %d new pods have been updated...", daemon.Name, daemon.Status.UpdatedNumberScheduled, daemon.Status.DesiredNumberScheduled),
}, nil
}
if daemon.Status.NumberAvailable < daemon.Status.DesiredNumberScheduled {
return &HealthStatus{
Status: HealthStatusProgressing,
Message: fmt.Sprintf("Waiting for daemon set %q rollout to finish: %d of %d updated pods are available...", daemon.Name, daemon.Status.NumberAvailable, daemon.Status.DesiredNumberScheduled),
}, nil
}
} else {
return &HealthStatus{
Status: HealthStatusProgressing,
Message: "Waiting for rollout to finish: observed daemon set generation less then desired generation",
}, nil
}
return &HealthStatus{
Status: HealthStatusHealthy,
}, nil
}
func getExtv1beta1DaemonSetHealth(daemon *extv1beta1.DaemonSet) (*HealthStatus, error) {
// Borrowed at kubernetes/kubectl/rollout_status.go https://github.com/kubernetes/kubernetes/blob/5232ad4a00ec93942d0b2c6359ee6cd1201b46bc/pkg/kubectl/rollout_status.go#L110
if daemon.Generation <= daemon.Status.ObservedGeneration {
if daemon.Spec.UpdateStrategy.Type == extv1beta1.OnDeleteDaemonSetStrategyType {
return &HealthStatus{
Status: HealthStatusHealthy,
Message: fmt.Sprintf("daemon set %d out of %d new pods have been updated", daemon.Status.UpdatedNumberScheduled, daemon.Status.DesiredNumberScheduled),
}, nil
}
if daemon.Status.UpdatedNumberScheduled < daemon.Status.DesiredNumberScheduled {
return &HealthStatus{
Status: HealthStatusProgressing,
Message: fmt.Sprintf("Waiting for daemon set %q rollout to finish: %d out of %d new pods have been updated...", daemon.Name, daemon.Status.UpdatedNumberScheduled, daemon.Status.DesiredNumberScheduled),
}, nil
}
if daemon.Status.NumberAvailable < daemon.Status.DesiredNumberScheduled {
return &HealthStatus{
Status: HealthStatusProgressing,
Message: fmt.Sprintf("Waiting for daemon set %q rollout to finish: %d of %d updated pods are available...", daemon.Name, daemon.Status.NumberAvailable, daemon.Status.DesiredNumberScheduled),
}, nil
}
} else {
return &HealthStatus{
Status: HealthStatusProgressing,
Message: "Waiting for rollout to finish: observed daemon set generation less then desired generation",
}, nil
}
return &HealthStatus{
Status: HealthStatusHealthy,
}, nil
}