forked from rook/rook
85 lines
2.3 KiB
Go
85 lines
2.3 KiB
Go
/*
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Copyright 2017 The Rook Authors. All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package clients
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import (
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"fmt"
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"github.com/rook/rook/pkg/daemon/ceph/client"
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)
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// IsClusterHealthy determines if the Rook cluster is currently healthy or not.
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func IsClusterHealthy(testClient *TestClient, namespace string) (bool, error) {
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status, err := testClient.Status(namespace)
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if err != nil {
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return false, err
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}
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logger.Infof("cluster status: %+v", status)
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// verify all mons are in quorum
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if len(status.Quorum) == 0 {
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return false, fmt.Errorf("too few monitors: %+v", status)
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}
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for _, mon := range status.MonMap.Mons {
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if !monInQuorum(mon, status.Quorum) {
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return false, fmt.Errorf("mon %s not in quorum: %v", mon.Name, status.Quorum)
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}
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}
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// verify there are OSDs and they are all up/in
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totalOSDs := status.OsdMap.NumOsd
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if totalOSDs == 0 {
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return false, fmt.Errorf("no OSDs: %+v", status)
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}
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if status.OsdMap.NumInOsd != totalOSDs || status.OsdMap.NumUpOsd != totalOSDs {
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return false, fmt.Errorf("not all OSDs are up/in: %+v", status)
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}
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// verify MGRs are available
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if !status.MgrMap.Available {
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return false, fmt.Errorf("MGRs are not available: %+v", status)
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}
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// verify that all PGs are in the active+clean state (0 PGs is OK because that means no pools
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// have been created yet)
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if status.PgMap.NumPgs > 0 {
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activeCleanCount := 0
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for _, pg := range status.PgMap.PgsByState {
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if pg.StateName == "active+clean" {
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activeCleanCount = pg.Count
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break
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}
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}
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if activeCleanCount != status.PgMap.NumPgs {
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return false, fmt.Errorf("not all PGs are active+clean: %+v", status.PgMap)
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}
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}
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// cluster passed all the basic health checks, seems healthy
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return true, nil
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}
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func monInQuorum(mon client.MonMapEntry, quorum []int) bool {
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for _, entry := range quorum {
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if entry == mon.Rank {
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return true
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}
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}
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return false
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}
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