impl.go

Documentation: github.com/chaos-mesh/chaos-mesh/controllers/chaosimpl/gcpchaos/nodestop

     1  // Copyright 2021 Chaos Mesh 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  
    16  package nodestop
    17  
    18  import (
    19  	"context"
    20  	"encoding/json"
    21  	"errors"
    22  
    23  	"github.com/go-logr/logr"
    24  	"sigs.k8s.io/controller-runtime/pkg/client"
    25  
    26  	"github.com/chaos-mesh/chaos-mesh/api/v1alpha1"
    27  	"github.com/chaos-mesh/chaos-mesh/controllers/chaosimpl/gcpchaos/utils"
    28  	impltypes "github.com/chaos-mesh/chaos-mesh/controllers/chaosimpl/types"
    29  )
    30  
    31  var _ impltypes.ChaosImpl = (*Impl)(nil)
    32  
    33  type Impl struct {
    34  	client.Client
    35  
    36  	Log logr.Logger
    37  }
    38  
    39  func (impl *Impl) Apply(ctx context.Context, index int, records []*v1alpha1.Record, chaos v1alpha1.InnerObject) (v1alpha1.Phase, error) {
    40  	gcpchaos, ok := chaos.(*v1alpha1.GCPChaos)
    41  	if !ok {
    42  		err := errors.New("chaos is not gcpchaos")
    43  		impl.Log.Error(err, "chaos is not GCPChaos", "chaos", chaos)
    44  		return v1alpha1.NotInjected, err
    45  	}
    46  	computeService, err := utils.GetComputeService(ctx, impl.Client, gcpchaos)
    47  	if err != nil {
    48  		impl.Log.Error(err, "fail to get the compute service")
    49  		return v1alpha1.NotInjected, err
    50  	}
    51  	var selected v1alpha1.GCPSelector
    52  	json.Unmarshal([]byte(records[index].Id), &selected)
    53  
    54  	_, err = computeService.Instances.Stop(selected.Project, selected.Zone, selected.Instance).Do()
    55  	if err != nil {
    56  		impl.Log.Error(err, "fail to stop the instance")
    57  		return v1alpha1.NotInjected, err
    58  	}
    59  
    60  	return v1alpha1.Injected, nil
    61  }
    62  
    63  func (impl *Impl) Recover(ctx context.Context, index int, records []*v1alpha1.Record, chaos v1alpha1.InnerObject) (v1alpha1.Phase, error) {
    64  	gcpchaos, ok := chaos.(*v1alpha1.GCPChaos)
    65  	if !ok {
    66  		err := errors.New("chaos is not gcpchaos")
    67  		impl.Log.Error(err, "chaos is not GCPChaos", "chaos", chaos)
    68  		return v1alpha1.Injected, err
    69  	}
    70  	computeService, err := utils.GetComputeService(ctx, impl.Client, gcpchaos)
    71  	if err != nil {
    72  		impl.Log.Error(err, "fail to get the compute service")
    73  		return v1alpha1.Injected, err
    74  	}
    75  	var selected v1alpha1.GCPSelector
    76  	json.Unmarshal([]byte(records[index].Id), &selected)
    77  	_, err = computeService.Instances.Start(selected.Project, selected.Zone, selected.Instance).Do()
    78  	if err != nil {
    79  		impl.Log.Error(err, "fail to start the instance")
    80  		return v1alpha1.Injected, err
    81  	}
    82  	return v1alpha1.NotInjected, nil
    83  }
    84  
    85  func NewImpl(c client.Client, log logr.Logger) *Impl {
    86  	return &Impl{
    87  		Client: c,
    88  		Log:    log.WithName("nodestop"),
    89  	}
    90  }
    91