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kube-arangodb/pkg/util/crd/crd.go

65 lines
2 KiB
Go

//
// DISCLAIMER
//
// Copyright 2016-2022 ArangoDB GmbH, Cologne, Germany
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// Copyright holder is ArangoDB GmbH, Cologne, Germany
//
package crd
import (
"context"
"time"
apiextensionsv1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
apiextensionsclient "k8s.io/apiextensions-apiserver/pkg/client/clientset/clientset"
meta "k8s.io/apimachinery/pkg/apis/meta/v1"
"github.com/arangodb/kube-arangodb/pkg/util/errors"
"github.com/arangodb/kube-arangodb/pkg/util/retry"
)
// WaitReady waits for a check to be ready.
func WaitReady(check func() error) error {
if err := retry.Retry(check, time.Second*30); err != nil {
return errors.WithStack(err)
}
return nil
}
// WaitCRDReady waits for a custom resource definition with given name to be ready.
func WaitCRDReady(clientset apiextensionsclient.Interface, crdName string) error {
op := func() error {
crd, err := clientset.ApiextensionsV1().CustomResourceDefinitions().Get(context.Background(), crdName, meta.GetOptions{})
if err != nil {
return errors.WithStack(err)
}
for _, cond := range crd.Status.Conditions {
switch cond.Type {
case apiextensionsv1.Established:
if cond.Status == apiextensionsv1.ConditionTrue {
return nil
}
case apiextensionsv1.NamesAccepted:
if cond.Status == apiextensionsv1.ConditionFalse {
return errors.WithStack(errors.Newf("Name conflict: %v", cond.Reason))
}
}
}
return errors.WithStack(errors.Newf("Retry needed"))
}
return WaitReady(op)
}