/
etcd.go
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/
etcd.go
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// Copyright (c) 2021 SAP SE or an SAP affiliate company. All rights reserved. This file is licensed under the Apache Software License, v. 2 except as noted otherwise in the LICENSE file
//
// 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.
package health
import (
"fmt"
druidv1alpha1 "github.com/gardener/etcd-druid/api/v1alpha1"
"k8s.io/utils/pointer"
)
// CheckEtcd checks whether the given Etcd is healthy.
// An Etcd is considered healthy if its ready field in status is true and the BackupReady condition doesn't report false.
func CheckEtcd(etcd *druidv1alpha1.Etcd) error {
if !pointer.BoolDeref(etcd.Status.Ready, false) {
return fmt.Errorf("etcd %q is not ready yet", etcd.Name)
}
for _, cond := range etcd.Status.Conditions {
if cond.Type != druidv1alpha1.ConditionTypeBackupReady {
continue
}
// TODO(timuthy): Check for cond.Status != druidv1alpha1.ConditionTrue as soon as https://github.com/gardener/etcd-druid/issues/413 is resolved.
if cond.Status == druidv1alpha1.ConditionFalse {
return fmt.Errorf("backup for etcd %q is reported as unready: %s", etcd.Name, cond.Message)
}
}
return nil
}