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impl.go
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/
impl.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 ec2stop
import (
"context"
"encoding/json"
"github.com/aws/aws-sdk-go-v2/aws"
awscfg "github.com/aws/aws-sdk-go-v2/config"
"github.com/aws/aws-sdk-go-v2/credentials"
"github.com/aws/aws-sdk-go-v2/service/ec2"
"github.com/go-logr/logr"
v1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/types"
"sigs.k8s.io/controller-runtime/pkg/client"
"github.com/chaos-mesh/chaos-mesh/api/v1alpha1"
impltypes "github.com/chaos-mesh/chaos-mesh/controllers/chaosimpl/types"
)
var _ impltypes.ChaosImpl = (*Impl)(nil)
type Impl struct {
client.Client
Log logr.Logger
}
func (impl *Impl) Apply(ctx context.Context, index int, records []*v1alpha1.Record, obj v1alpha1.InnerObject) (v1alpha1.Phase, error) {
awschaos := obj.(*v1alpha1.AWSChaos)
var selected v1alpha1.AWSSelector
err := json.Unmarshal([]byte(records[index].Id), &selected)
if err != nil {
impl.Log.Error(err, "fail to unmarshal the selector")
return v1alpha1.NotInjected, err
}
opts := []func(*awscfg.LoadOptions) error{
awscfg.WithRegion(selected.AWSRegion),
}
if selected.Endpoint != nil {
opts = append(opts, awscfg.WithEndpointResolver(aws.EndpointResolverFunc(func(service, region string) (aws.Endpoint, error) {
return aws.Endpoint{URL: *selected.Endpoint, SigningRegion: region}, nil
})))
}
if awschaos.Spec.SecretName != nil {
secret := &v1.Secret{}
err := impl.Client.Get(ctx, types.NamespacedName{
Name: *awschaos.Spec.SecretName,
Namespace: awschaos.Namespace,
}, secret)
if err != nil {
impl.Log.Error(err, "fail to get cloud secret")
return v1alpha1.NotInjected, err
}
opts = append(opts, awscfg.WithCredentialsProvider(credentials.NewStaticCredentialsProvider(
string(secret.Data["aws_access_key_id"]),
string(secret.Data["aws_secret_access_key"]),
"",
)))
}
cfg, err := awscfg.LoadDefaultConfig(ctx, opts...)
if err != nil {
impl.Log.Error(err, "unable to load aws SDK config")
return v1alpha1.NotInjected, err
}
ec2client := ec2.NewFromConfig(cfg)
_, err = ec2client.StopInstances(context.TODO(), &ec2.StopInstancesInput{
InstanceIds: []string{selected.Ec2Instance},
})
if err != nil {
return v1alpha1.NotInjected, err
}
return v1alpha1.Injected, nil
}
func (impl *Impl) Recover(ctx context.Context, index int, records []*v1alpha1.Record, obj v1alpha1.InnerObject) (v1alpha1.Phase, error) {
awschaos := obj.(*v1alpha1.AWSChaos)
var selected v1alpha1.AWSSelector
err := json.Unmarshal([]byte(records[index].Id), &selected)
if err != nil {
impl.Log.Error(err, "fail to unmarshal the selector")
return v1alpha1.NotInjected, err
}
opts := []func(*awscfg.LoadOptions) error{
awscfg.WithRegion(selected.AWSRegion),
}
if selected.Endpoint != nil {
opts = append(opts, awscfg.WithEndpointResolver(aws.EndpointResolverFunc(func(service, region string) (aws.Endpoint, error) {
return aws.Endpoint{URL: *selected.Endpoint, SigningRegion: region}, nil
})))
}
if awschaos.Spec.SecretName != nil {
secret := &v1.Secret{}
err := impl.Client.Get(ctx, types.NamespacedName{
Name: *awschaos.Spec.SecretName,
Namespace: awschaos.Namespace,
}, secret)
if err != nil {
impl.Log.Error(err, "fail to get cloud secret")
return v1alpha1.Injected, err
}
opts = append(opts, awscfg.WithCredentialsProvider(credentials.NewStaticCredentialsProvider(
string(secret.Data["aws_access_key_id"]),
string(secret.Data["aws_secret_access_key"]),
"",
)))
}
cfg, err := awscfg.LoadDefaultConfig(ctx, opts...)
if err != nil {
impl.Log.Error(err, "unable to load aws SDK config")
return v1alpha1.Injected, err
}
ec2client := ec2.NewFromConfig(cfg)
_, err = ec2client.StartInstances(context.TODO(), &ec2.StartInstancesInput{
InstanceIds: []string{selected.Ec2Instance},
})
if err != nil {
impl.Log.Error(err, "fail to start the instance")
return v1alpha1.Injected, err
}
return v1alpha1.NotInjected, nil
}
func NewImpl(c client.Client, log logr.Logger) *Impl {
return &Impl{
Client: c,
Log: log.WithName("ec2stop"),
}
}