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chaos_disk.go
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chaos_disk.go
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/*
* chaos_disk.go
*
* This source file is part of the FoundationDB open source project
*
* Copyright 2023 Apple Inc. and the FoundationDB project 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 fixtures
import (
fdbv1beta2 "github.com/FoundationDB/fdb-kubernetes-operator/api/v1beta2"
chaosmesh "github.com/chaos-mesh/chaos-mesh/api/v1alpha1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/utils/pointer"
)
// InjectDiskFailure injects a disk failure for all Pods selected by the selector.
func (factory *Factory) InjectDiskFailure(selector chaosmesh.PodSelectorSpec) *ChaosMeshExperiment {
return factory.InjectDiskFailureWithPath(selector, "/var/fdb/data", "/var/fdb/data/**/*", []chaosmesh.IoMethod{
chaosmesh.Write,
chaosmesh.Read,
chaosmesh.Open,
chaosmesh.Flush,
chaosmesh.Fsync,
}, []string{fdbv1beta2.MainContainerName})
}
// InjectDiskFailureWithPath injects a disk failure for all Pods selected by the selector. volumePath and path can be used to specify the affected files and methods
// allow to specify the affected methods.
func (factory *Factory) InjectDiskFailureWithPath(selector chaosmesh.PodSelectorSpec, volumePath string, path string, methods []chaosmesh.IoMethod, containers []string) *ChaosMeshExperiment {
return factory.CreateExperiment(&chaosmesh.IOChaos{
ObjectMeta: metav1.ObjectMeta{
Name: RandStringRunes(32),
Namespace: factory.GetChaosNamespace(),
Labels: factory.GetDefaultLabels(),
},
Spec: chaosmesh.IOChaosSpec{
Action: chaosmesh.IoFaults,
Duration: pointer.String(ChaosDurationForever),
ContainerSelector: chaosmesh.ContainerSelector{
ContainerNames: containers,
PodSelector: chaosmesh.PodSelector{
Selector: selector,
Mode: chaosmesh.AllMode,
},
},
VolumePath: volumePath,
Path: path,
Errno: 5,
Percent: 100,
Methods: methods,
},
})
}
// InjectIOLatency injects IOLatency for single pod.
func (factory *Factory) InjectIOLatency(selector chaosmesh.PodSelectorSpec, delay string) *ChaosMeshExperiment {
return factory.CreateExperiment(&chaosmesh.IOChaos{
ObjectMeta: metav1.ObjectMeta{
Name: RandStringRunes(32),
Namespace: factory.GetChaosNamespace(),
Labels: factory.GetDefaultLabels(),
},
Spec: chaosmesh.IOChaosSpec{
Action: chaosmesh.IoLatency,
Duration: pointer.String(ChaosDurationForever),
ContainerSelector: chaosmesh.ContainerSelector{
PodSelector: chaosmesh.PodSelector{
Selector: selector,
Mode: chaosmesh.AllMode,
},
},
VolumePath: "/var/fdb/data",
Path: "/var/fdb/data/**/*",
Percent: 100,
Delay: delay,
Methods: []chaosmesh.IoMethod{
chaosmesh.Write,
chaosmesh.Read,
chaosmesh.Open,
chaosmesh.Flush,
chaosmesh.Fsync,
},
},
})
}