func ExampleCloudWatchEvents_RemoveTargets() {
	sess, err := session.NewSession()
	if err != nil {
		fmt.Println("failed to create session,", err)
		return
	}

	svc := cloudwatchevents.New(sess)

	params := &cloudwatchevents.RemoveTargetsInput{
		Ids: []*string{ // Required
			aws.String("TargetId"), // Required
			// More values...
		},
		Rule: aws.String("RuleName"), // Required
	}
	resp, err := svc.RemoveTargets(params)

	if err != nil {
		// Print the error, cast err to awserr.Error to get the Code and
		// Message from an error.
		fmt.Println(err.Error())
		return
	}

	// Pretty-print the response data.
	fmt.Println(resp)
}

func ExampleCloudWatchEvents_TestEventPattern() {
	sess, err := session.NewSession()
	if err != nil {
		fmt.Println("failed to create session,", err)
		return
	}

	svc := cloudwatchevents.New(sess)

	params := &cloudwatchevents.TestEventPatternInput{
		Event:        aws.String("String"),       // Required
		EventPattern: aws.String("EventPattern"), // Required
	}
	resp, err := svc.TestEventPattern(params)

	if err != nil {
		// Print the error, cast err to awserr.Error to get the Code and
		// Message from an error.
		fmt.Println(err.Error())
		return
	}

	// Pretty-print the response data.
	fmt.Println(resp)
}

func ExampleCloudWatchEvents_PutRule() {
	sess, err := session.NewSession()
	if err != nil {
		fmt.Println("failed to create session,", err)
		return
	}

	svc := cloudwatchevents.New(sess)

	params := &cloudwatchevents.PutRuleInput{
		Name:               aws.String("RuleName"), // Required
		Description:        aws.String("RuleDescription"),
		EventPattern:       aws.String("EventPattern"),
		RoleArn:            aws.String("RoleArn"),
		ScheduleExpression: aws.String("ScheduleExpression"),
		State:              aws.String("RuleState"),
	}
	resp, err := svc.PutRule(params)

	if err != nil {
		// Print the error, cast err to awserr.Error to get the Code and
		// Message from an error.
		fmt.Println(err.Error())
		return
	}

	// Pretty-print the response data.
	fmt.Println(resp)
}

func ExampleCloudWatchEvents_PutTargets() {
	sess, err := session.NewSession()
	if err != nil {
		fmt.Println("failed to create session,", err)
		return
	}

	svc := cloudwatchevents.New(sess)

	params := &cloudwatchevents.PutTargetsInput{
		Rule: aws.String("RuleName"), // Required
		Targets: []*cloudwatchevents.Target{ // Required
			{ // Required
				Arn:       aws.String("TargetArn"), // Required
				Id:        aws.String("TargetId"),  // Required
				Input:     aws.String("TargetInput"),
				InputPath: aws.String("TargetInputPath"),
			},
			// More values...
		},
	}
	resp, err := svc.PutTargets(params)

	if err != nil {
		// Print the error, cast err to awserr.Error to get the Code and
		// Message from an error.
		fmt.Println(err.Error())
		return
	}

	// Pretty-print the response data.
	fmt.Println(resp)
}

func ExampleCloudWatchEvents_ListTargetsByRule() {
	sess, err := session.NewSession()
	if err != nil {
		fmt.Println("failed to create session,", err)
		return
	}

	svc := cloudwatchevents.New(sess)

	params := &cloudwatchevents.ListTargetsByRuleInput{
		Rule:      aws.String("RuleName"), // Required
		Limit:     aws.Int64(1),
		NextToken: aws.String("NextToken"),
	}
	resp, err := svc.ListTargetsByRule(params)

	if err != nil {
		// Print the error, cast err to awserr.Error to get the Code and
		// Message from an error.
		fmt.Println(err.Error())
		return
	}

	// Pretty-print the response data.
	fmt.Println(resp)
}

func ExampleCloudWatchEvents_PutEvents() {
	svc := cloudwatchevents.New(session.New())

	params := &cloudwatchevents.PutEventsInput{
		Entries: []*cloudwatchevents.PutEventsRequestEntry{ // Required
			{ // Required
				Detail:     aws.String("String"),
				DetailType: aws.String("String"),
				Resources: []*string{
					aws.String("EventResource"), // Required
					// More values...
				},
				Source: aws.String("String"),
				Time:   aws.Time(time.Now()),
			},
			// More values...
		},
	}
	resp, err := svc.PutEvents(params)

	if err != nil {
		// Print the error, cast err to awserr.Error to get the Code and
		// Message from an error.
		fmt.Println(err.Error())
		return
	}

	// Pretty-print the response data.
	fmt.Println(resp)
}

func ExampleCloudWatchEvents_EnableRule() {
	svc := cloudwatchevents.New(session.New())

	params := &cloudwatchevents.EnableRuleInput{
		Name: aws.String("RuleName"), // Required
	}
	resp, err := svc.EnableRule(params)

	if err != nil {
		// Print the error, cast err to awserr.Error to get the Code and
		// Message from an error.
		fmt.Println(err.Error())
		return
	}

	// Pretty-print the response data.
	fmt.Println(resp)
}

func ExampleCloudWatchEvents_ListRuleNamesByTarget() {
	svc := cloudwatchevents.New(session.New())

	params := &cloudwatchevents.ListRuleNamesByTargetInput{
		TargetArn: aws.String("TargetArn"), // Required
		Limit:     aws.Int64(1),
		NextToken: aws.String("NextToken"),
	}
	resp, err := svc.ListRuleNamesByTarget(params)

	if err != nil {
		// Print the error, cast err to awserr.Error to get the Code and
		// Message from an error.
		fmt.Println(err.Error())
		return
	}

	// Pretty-print the response data.
	fmt.Println(resp)
}

func ExampleCloudWatchEvents_DescribeRule() {
	sess, err := session.NewSession()
	if err != nil {
		fmt.Println("failed to create session,", err)
		return
	}

	svc := cloudwatchevents.New(sess)

	params := &cloudwatchevents.DescribeRuleInput{
		Name: aws.String("RuleName"), // Required
	}
	resp, err := svc.DescribeRule(params)

	if err != nil {
		// Print the error, cast err to awserr.Error to get the Code and
		// Message from an error.
		fmt.Println(err.Error())
		return
	}

	// Pretty-print the response data.
	fmt.Println(resp)
}

// Client configures and returns a fully initialized AWSClient
func (c *Config) Client() (interface{}, error) {
	// Get the auth and region. This can fail if keys/regions were not
	// specified and we're attempting to use the environment.
	var errs []error

	log.Println("[INFO] Building AWS region structure")
	err := c.ValidateRegion()
	if err != nil {
		errs = append(errs, err)
	}

	var client AWSClient
	if len(errs) == 0 {
		// store AWS region in client struct, for region specific operations such as
		// bucket storage in S3
		client.region = c.Region

		log.Println("[INFO] Building AWS auth structure")
		creds := GetCredentials(c.AccessKey, c.SecretKey, c.Token, c.Profile, c.CredsFilename)
		// Call Get to check for credential provider. If nothing found, we'll get an
		// error, and we can present it nicely to the user
		cp, err := creds.Get()
		if err != nil {
			if awsErr, ok := err.(awserr.Error); ok && awsErr.Code() == "NoCredentialProviders" {
				errs = append(errs, fmt.Errorf(`No valid credential sources found for AWS Provider.
  Please see https://terraform.io/docs/providers/aws/index.html for more information on
  providing credentials for the AWS Provider`))
			} else {
				errs = append(errs, fmt.Errorf("Error loading credentials for AWS Provider: %s", err))
			}
			return nil, &multierror.Error{Errors: errs}
		}

		log.Printf("[INFO] AWS Auth provider used: %q", cp.ProviderName)

		awsConfig := &aws.Config{
			Credentials: creds,
			Region:      aws.String(c.Region),
			MaxRetries:  aws.Int(c.MaxRetries),
			HTTPClient:  cleanhttp.DefaultClient(),
		}

		if logging.IsDebugOrHigher() {
			awsConfig.LogLevel = aws.LogLevel(aws.LogDebugWithHTTPBody)
			awsConfig.Logger = awsLogger{}
		}

		if c.Insecure {
			transport := awsConfig.HTTPClient.Transport.(*http.Transport)
			transport.TLSClientConfig = &tls.Config{
				InsecureSkipVerify: true,
			}
		}

		// Set up base session
		sess := session.New(awsConfig)
		sess.Handlers.Build.PushFrontNamed(addTerraformVersionToUserAgent)

		// Some services exist only in us-east-1, e.g. because they manage
		// resources that can span across multiple regions, or because
		// signature format v4 requires region to be us-east-1 for global
		// endpoints:
		// http://docs.aws.amazon.com/general/latest/gr/sigv4_changes.html
		usEast1Sess := sess.Copy(&aws.Config{Region: aws.String("us-east-1")})

		// Some services have user-configurable endpoints
		awsEc2Sess := sess.Copy(&aws.Config{Endpoint: aws.String(c.Ec2Endpoint)})
		awsElbSess := sess.Copy(&aws.Config{Endpoint: aws.String(c.ElbEndpoint)})
		awsIamSess := sess.Copy(&aws.Config{Endpoint: aws.String(c.IamEndpoint)})
		dynamoSess := sess.Copy(&aws.Config{Endpoint: aws.String(c.DynamoDBEndpoint)})
		kinesisSess := sess.Copy(&aws.Config{Endpoint: aws.String(c.KinesisEndpoint)})

		// These two services need to be set up early so we can check on AccountID
		client.iamconn = iam.New(awsIamSess)
		client.stsconn = sts.New(sess)

		err = c.ValidateCredentials(client.stsconn)
		if err != nil {
			errs = append(errs, err)
			return nil, &multierror.Error{Errors: errs}
		}
		accountId, err := GetAccountId(client.iamconn, client.stsconn, cp.ProviderName)
		if err == nil {
			client.accountid = accountId
		}

		authErr := c.ValidateAccountId(client.accountid)
		if authErr != nil {
			errs = append(errs, authErr)
		}

		client.apigateway = apigateway.New(sess)
		client.autoscalingconn = autoscaling.New(sess)
		client.cfconn = cloudformation.New(sess)
		client.cloudfrontconn = cloudfront.New(sess)
		client.cloudtrailconn = cloudtrail.New(sess)
		client.cloudwatchconn = cloudwatch.New(sess)
		client.cloudwatcheventsconn = cloudwatchevents.New(sess)
		client.cloudwatchlogsconn = cloudwatchlogs.New(sess)
//.........这里部分代码省略.........

// Client configures and returns a fully initialized AWSClient
func (c *Config) Client() (interface{}, error) {
	// Get the auth and region. This can fail if keys/regions were not
	// specified and we're attempting to use the environment.
	log.Println("[INFO] Building AWS region structure")
	err := c.ValidateRegion()
	if err != nil {
		return nil, err
	}

	var client AWSClient
	// store AWS region in client struct, for region specific operations such as
	// bucket storage in S3
	client.region = c.Region

	log.Println("[INFO] Building AWS auth structure")
	creds, err := GetCredentials(c)
	if err != nil {
		return nil, err
	}
	// Call Get to check for credential provider. If nothing found, we'll get an
	// error, and we can present it nicely to the user
	cp, err := creds.Get()
	if err != nil {
		if awsErr, ok := err.(awserr.Error); ok && awsErr.Code() == "NoCredentialProviders" {
			return nil, errors.New(`No valid credential sources found for AWS Provider.
  Please see https://terraform.io/docs/providers/aws/index.html for more information on
  providing credentials for the AWS Provider`)
		}

		return nil, fmt.Errorf("Error loading credentials for AWS Provider: %s", err)
	}

	log.Printf("[INFO] AWS Auth provider used: %q", cp.ProviderName)

	awsConfig := &aws.Config{
		Credentials:      creds,
		Region:           aws.String(c.Region),
		MaxRetries:       aws.Int(c.MaxRetries),
		HTTPClient:       cleanhttp.DefaultClient(),
		S3ForcePathStyle: aws.Bool(c.S3ForcePathStyle),
	}

	if logging.IsDebugOrHigher() {
		awsConfig.LogLevel = aws.LogLevel(aws.LogDebugWithHTTPBody)
		awsConfig.Logger = awsLogger{}
	}

	if c.Insecure {
		transport := awsConfig.HTTPClient.Transport.(*http.Transport)
		transport.TLSClientConfig = &tls.Config{
			InsecureSkipVerify: true,
		}
	}

	// Set up base session
	sess, err := session.NewSession(awsConfig)
	if err != nil {
		return nil, errwrap.Wrapf("Error creating AWS session: {{err}}", err)
	}

	// Removes the SDK Version handler, so we only have the provider User-Agent
	// Ex: "User-Agent: APN/1.0 HashiCorp/1.0 Terraform/0.7.9-dev"
	sess.Handlers.Build.Remove(request.NamedHandler{Name: "core.SDKVersionUserAgentHandler"})
	sess.Handlers.Build.PushFrontNamed(addTerraformVersionToUserAgent)

	if extraDebug := os.Getenv("TERRAFORM_AWS_AUTHFAILURE_DEBUG"); extraDebug != "" {
		sess.Handlers.UnmarshalError.PushFrontNamed(debugAuthFailure)
	}

	// Some services exist only in us-east-1, e.g. because they manage
	// resources that can span across multiple regions, or because
	// signature format v4 requires region to be us-east-1 for global
	// endpoints:
	// http://docs.aws.amazon.com/general/latest/gr/sigv4_changes.html
	usEast1Sess := sess.Copy(&aws.Config{Region: aws.String("us-east-1")})

	// Some services have user-configurable endpoints
	awsEc2Sess := sess.Copy(&aws.Config{Endpoint: aws.String(c.Ec2Endpoint)})
	awsElbSess := sess.Copy(&aws.Config{Endpoint: aws.String(c.ElbEndpoint)})
	awsIamSess := sess.Copy(&aws.Config{Endpoint: aws.String(c.IamEndpoint)})
	awsS3Sess := sess.Copy(&aws.Config{Endpoint: aws.String(c.S3Endpoint)})
	dynamoSess := sess.Copy(&aws.Config{Endpoint: aws.String(c.DynamoDBEndpoint)})
	kinesisSess := sess.Copy(&aws.Config{Endpoint: aws.String(c.KinesisEndpoint)})

	// These two services need to be set up early so we can check on AccountID
	client.iamconn = iam.New(awsIamSess)
	client.stsconn = sts.New(sess)

	if !c.SkipCredsValidation {
		err = c.ValidateCredentials(client.stsconn)
		if err != nil {
			return nil, err
		}
	}

	if !c.SkipRequestingAccountId {
		partition, accountId, err := GetAccountInfo(client.iamconn, client.stsconn, cp.ProviderName)
		if err == nil {
			client.partition = partition
//.........这里部分代码省略.........

// Client configures and returns a fully initialized AWSClient
func (c *Config) Client() (interface{}, error) {
	var client AWSClient

	// Get the auth and region. This can fail if keys/regions were not
	// specified and we're attempting to use the environment.
	var errs []error

	log.Println("[INFO] Building AWS region structure")
	err := c.ValidateRegion()
	if err != nil {
		errs = append(errs, err)
	}

	if len(errs) == 0 {
		// store AWS region in client struct, for region specific operations such as
		// bucket storage in S3
		client.region = c.Region

		log.Println("[INFO] Building AWS auth structure")
		creds := getCreds(c.AccessKey, c.SecretKey, c.Token, c.Profile, c.CredsFilename)
		// Call Get to check for credential provider. If nothing found, we'll get an
		// error, and we can present it nicely to the user
		_, err = creds.Get()
		if err != nil {
			if awsErr, ok := err.(awserr.Error); ok && awsErr.Code() == "NoCredentialProviders" {
				errs = append(errs, fmt.Errorf(`No valid credential sources found for AWS Provider. 
  Please see https://terraform.io/docs/providers/aws/index.html for more information on 
  providing credentials for the AWS Provider`))
			} else {
				errs = append(errs, fmt.Errorf("Error loading credentials for AWS Provider: %s", err))
			}
			return nil, &multierror.Error{Errors: errs}
		}
		awsConfig := &aws.Config{
			Credentials: creds,
			Region:      aws.String(c.Region),
			MaxRetries:  aws.Int(c.MaxRetries),
			HTTPClient:  cleanhttp.DefaultClient(),
		}

		if c.Insecure {
			transport := awsConfig.HTTPClient.Transport.(*http.Transport)
			transport.TLSClientConfig = &tls.Config{
				InsecureSkipVerify: true,
			}
		}

		log.Println("[INFO] Initializing IAM Connection")
		sess := session.New(awsConfig)

		awsIamConfig := *awsConfig
		awsIamConfig.Endpoint = aws.String(c.IamEndpoint)

		awsIamSess := session.New(&awsIamConfig)
		client.iamconn = iam.New(awsIamSess)

		err = c.ValidateCredentials(client.iamconn)
		if err != nil {
			errs = append(errs, err)
		}

		// Some services exist only in us-east-1, e.g. because they manage
		// resources that can span across multiple regions, or because
		// signature format v4 requires region to be us-east-1 for global
		// endpoints:
		// http://docs.aws.amazon.com/general/latest/gr/sigv4_changes.html
		usEast1AwsConfig := &aws.Config{
			Credentials: creds,
			Region:      aws.String("us-east-1"),
			MaxRetries:  aws.Int(c.MaxRetries),
			HTTPClient:  cleanhttp.DefaultClient(),
		}
		usEast1Sess := session.New(usEast1AwsConfig)

		awsDynamoDBConfig := *awsConfig
		awsDynamoDBConfig.Endpoint = aws.String(c.DynamoDBEndpoint)

		log.Println("[INFO] Initializing DynamoDB connection")
		dynamoSess := session.New(&awsDynamoDBConfig)
		client.dynamodbconn = dynamodb.New(dynamoSess)

		log.Println("[INFO] Initializing ELB connection")
		awsElbConfig := *awsConfig
		awsElbConfig.Endpoint = aws.String(c.ElbEndpoint)

		awsElbSess := session.New(&awsElbConfig)

		client.elbconn = elb.New(awsElbSess)

		log.Println("[INFO] Initializing S3 connection")
		client.s3conn = s3.New(sess)

		log.Println("[INFO] Initializing SQS connection")
		client.sqsconn = sqs.New(sess)

		log.Println("[INFO] Initializing SNS connection")
		client.snsconn = sns.New(sess)

		log.Println("[INFO] Initializing RDS Connection")
//.........这里部分代码省略.........