forked from chaos-mesh/chaos-mesh
/
selector.go
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/
selector.go
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// Copyright 2021 Chaos Mesh 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 container
import (
"context"
"go.uber.org/fx"
v1 "k8s.io/api/core/v1"
"sigs.k8s.io/controller-runtime/pkg/client"
"github.com/chaos-mesh/chaos-mesh/api/v1alpha1"
"github.com/chaos-mesh/chaos-mesh/controllers/config"
"github.com/chaos-mesh/chaos-mesh/pkg/selector/generic"
"github.com/chaos-mesh/chaos-mesh/pkg/selector/pod"
)
type SelectImpl struct {
c client.Client
r client.Reader
generic.Option
}
type Container struct {
v1.Pod
ContainerName string
}
func (c *Container) Id() string {
return c.Pod.Namespace + "/" + c.Pod.Name + "/" + c.ContainerName
}
func (impl *SelectImpl) Select(ctx context.Context, cs *v1alpha1.ContainerSelector) ([]*Container, error) {
pods, err := pod.SelectAndFilterPods(ctx, impl.c, impl.r, &cs.PodSelector, impl.ClusterScoped, impl.TargetNamespace, impl.EnableFilterNamespace)
if err != nil {
return nil, err
}
containerNameMap := make(map[string]struct{})
for _, name := range cs.ContainerNames {
containerNameMap[name] = struct{}{}
}
var result []*Container
for _, pod := range pods {
if len(cs.ContainerNames) == 0 {
result = append(result, &Container{
Pod: pod,
ContainerName: pod.Spec.Containers[0].Name,
})
continue
}
for _, container := range pod.Spec.Containers {
if _, ok := containerNameMap[container.Name]; ok {
result = append(result, &Container{
Pod: pod,
ContainerName: container.Name,
})
}
}
}
return result, nil
}
type Params struct {
fx.In
Client client.Client
Reader client.Reader `name:"no-cache"`
}
func New(params Params) *SelectImpl {
return &SelectImpl{
params.Client,
params.Reader,
generic.Option{
ClusterScoped: config.ControllerCfg.ClusterScoped,
TargetNamespace: config.ControllerCfg.TargetNamespace,
EnableFilterNamespace: config.ControllerCfg.EnableFilterNamespace,
},
}
}