github.com/lfch/etcd-io/tests/v3@v3.0.0-20221004140520-eac99acd3e9d/functional/tester/case_failpoints_disk_io.go (about)

     1  // Copyright 2018 The etcd Authors
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package tester
    16  
    17  import (
    18  	"fmt"
    19  	"strings"
    20  
    21  	"github.com/lfch/etcd-io/tests/v3/functional/rpcpb"
    22  )
    23  
    24  const (
    25  	diskIOFailpoint = "raftAfterSave"
    26  )
    27  
    28  func failpointDiskIOFailures(clus *Cluster) (ret []Case, err error) {
    29  	fps, err := failpointPaths(clus.Members[0].FailpointHTTPAddr)
    30  	if err != nil {
    31  		return nil, err
    32  	}
    33  	var detailDiskIOLatencyFailpointPath string
    34  	for i := 0; i < len(fps); i++ {
    35  		if strings.HasSuffix(fps[i], diskIOFailpoint) {
    36  			detailDiskIOLatencyFailpointPath = fps[i]
    37  			break
    38  		}
    39  	}
    40  	// create failure objects for diskIOFailpoint
    41  	fpFails := casesFromDiskIOFailpoint(detailDiskIOLatencyFailpointPath, clus.Tester.FailpointCommands)
    42  	// wrap in delays so failpoint has time to trigger
    43  	for i, fpf := range fpFails {
    44  		fpFails[i] = &caseDelay{
    45  			Case:          fpf,
    46  			delayDuration: clus.GetCaseDelayDuration(),
    47  		}
    48  	}
    49  	ret = append(ret, fpFails...)
    50  	return ret, nil
    51  }
    52  
    53  func casesFromDiskIOFailpoint(fp string, failpointCommands []string) (fs []Case) {
    54  	recov := makeRecoverFailpoint(fp)
    55  	for _, fcmd := range failpointCommands {
    56  		inject := makeInjectFailpoint(fp, fcmd)
    57  		fs = append(fs, []Case{
    58  			&caseLeader{
    59  				caseByFunc: caseByFunc{
    60  					desc:          fmt.Sprintf("failpoint %q (leader: %q)", fp, fcmd),
    61  					rpcpbCase:     rpcpb.Case_FAILPOINTS,
    62  					injectMember:  inject,
    63  					recoverMember: recov,
    64  				},
    65  				last: -1,
    66  				lead: -1,
    67  			},
    68  		}...)
    69  	}
    70  	return fs
    71  }