github.com/rothwerx/packer@v0.9.0/builder/amazon/ebs/step_modify_instance.go (about)

     1  package ebs
     2  
     3  import (
     4  	"fmt"
     5  
     6  	"github.com/aws/aws-sdk-go/service/ec2"
     7  	"github.com/mitchellh/multistep"
     8  	"github.com/mitchellh/packer/packer"
     9  )
    10  
    11  type stepModifyInstance struct{}
    12  
    13  func (s *stepModifyInstance) Run(state multistep.StateBag) multistep.StepAction {
    14  	config := state.Get("config").(Config)
    15  	ec2conn := state.Get("ec2").(*ec2.EC2)
    16  	instance := state.Get("instance").(*ec2.Instance)
    17  	ui := state.Get("ui").(packer.Ui)
    18  
    19  	// Set SriovNetSupport to "simple". See http://goo.gl/icuXh5
    20  	if config.AMIEnhancedNetworking {
    21  		ui.Say("Enabling Enhanced Networking...")
    22  		simple := "simple"
    23  		_, err := ec2conn.ModifyInstanceAttribute(&ec2.ModifyInstanceAttributeInput{
    24  			InstanceId:      instance.InstanceId,
    25  			SriovNetSupport: &ec2.AttributeValue{Value: &simple},
    26  		})
    27  		if err != nil {
    28  			err := fmt.Errorf("Error enabling Enhanced Networking on %s: %s", *instance.InstanceId, err)
    29  			state.Put("error", err)
    30  			ui.Error(err.Error())
    31  			return multistep.ActionHalt
    32  		}
    33  	}
    34  
    35  	return multistep.ActionContinue
    36  }
    37  
    38  func (s *stepModifyInstance) Cleanup(state multistep.StateBag) {
    39  	// No cleanup...
    40  }