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// Copyright 2018 The etcd Authors
//
// 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 tester
import (
"fmt"
"strings"
"go.etcd.io/etcd/tests/v3/functional/rpcpb"
)
const (
diskIOFailpoint = "raftAfterSave"
)
func failpointDiskIOFailures(clus *Cluster) (ret []Case, err error) {
fps, err := failpointPaths(clus.Members[0].FailpointHTTPAddr)
if err != nil {
return nil, err
}
var detailDiskIOLatencyFailpointPath string
for i := 0; i < len(fps); i++ {
if strings.HasSuffix(fps[i], diskIOFailpoint) {
detailDiskIOLatencyFailpointPath = fps[i]
break
}
}
// create failure objects for diskIOFailpoint
fpFails := casesFromDiskIOFailpoint(detailDiskIOLatencyFailpointPath, clus.Tester.FailpointCommands)
// wrap in delays so failpoint has time to trigger
for i, fpf := range fpFails {
fpFails[i] = &caseDelay{
Case: fpf,
delayDuration: clus.GetCaseDelayDuration(),
}
}
ret = append(ret, fpFails...)
return ret, nil
}
func casesFromDiskIOFailpoint(fp string, failpointCommands []string) (fs []Case) {
recov := makeRecoverFailpoint(fp)
for _, fcmd := range failpointCommands {
inject := makeInjectFailpoint(fp, fcmd)
fs = append(fs, []Case{
&caseLeader{
caseByFunc: caseByFunc{
desc: fmt.Sprintf("failpoint %q (leader: %q)", fp, fcmd),
rpcpbCase: rpcpb.Case_FAILPOINTS,
injectMember: inject,
recoverMember: recov,
},
last: -1,
lead: -1,
},
}...)
}
return fs
}
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