/
errors.go
67 lines (52 loc) · 2 KB
/
errors.go
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package controller
import (
"context"
"strings"
"time"
"github.com/goharbor/harbor-operator/pkg/factories/logger"
"github.com/opentracing/opentracing-go"
"github.com/pkg/errors"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/apimachinery/pkg/runtime"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/client"
)
const optimisticLockErrorMsg = "the object has been modified; please apply your changes to the latest version and try again"
type causer interface {
Cause() error
}
func IsOptimisticLockError(err error) bool {
return strings.Contains(err.Error(), optimisticLockErrorMsg)
}
func (c *Controller) HandleError(ctx context.Context, resource client.Object, resultError error) (ctrl.Result, error) {
if resultError == nil {
return ctrl.Result{}, c.SetSuccessStatus(ctx, resource)
}
// Do manual retry without error when resultError is an optimistic lock error.
// For more info, see https://github.com/kubernetes/kubernetes/issues/28149
if IsOptimisticLockError(resultError) {
return ctrl.Result{RequeueAfter: time.Second}, nil
}
span, ctx := opentracing.StartSpanFromContext(ctx, "handleError", opentracing.Tags{
"Resource": resource,
"error": resultError,
})
defer span.Finish()
objectKey := client.ObjectKeyFromObject(resource)
err := c.Client.Get(ctx, objectKey, resource)
if err != nil {
return ctrl.Result{}, errors.Wrap(resultError, errors.Wrap(err, "cannot get object").Error())
}
data, err := runtime.DefaultUnstructuredConverter.ToUnstructured(resource)
if err != nil {
return ctrl.Result{}, errors.Wrap(resultError, errors.Wrap(err, "cannot convert resource to unstuctured").Error())
}
u := &unstructured.Unstructured{}
u.SetUnstructuredContent(data)
err = c.SetErrorStatus(ctx, u, resultError)
if err != nil {
return ctrl.Result{}, errors.Wrap(resultError, errors.Wrap(err, "cannot set status to error").Error())
}
logger.Get(ctx).Info("error reported to resource status", "error", resultError.Error())
return ctrl.Result{}, nil
}