github.com/ttysteale/packer@v0.8.2-0.20150708160520-e5f8ea386ed8/builder/amazon/common/step_modify_ami_attributes.go (about)

     1  package common
     2  
     3  import (
     4  	"fmt"
     5  
     6  	"github.com/aws/aws-sdk-go/aws"
     7  	"github.com/aws/aws-sdk-go/service/ec2"
     8  	"github.com/mitchellh/multistep"
     9  	"github.com/mitchellh/packer/packer"
    10  )
    11  
    12  type StepModifyAMIAttributes struct {
    13  	Users        []string
    14  	Groups       []string
    15  	ProductCodes []string
    16  	Description  string
    17  }
    18  
    19  func (s *StepModifyAMIAttributes) Run(state multistep.StateBag) multistep.StepAction {
    20  	ec2conn := state.Get("ec2").(*ec2.EC2)
    21  	ui := state.Get("ui").(packer.Ui)
    22  	amis := state.Get("amis").(map[string]string)
    23  
    24  	// Determine if there is any work to do.
    25  	valid := false
    26  	valid = valid || s.Description != ""
    27  	valid = valid || (s.Users != nil && len(s.Users) > 0)
    28  	valid = valid || (s.Groups != nil && len(s.Groups) > 0)
    29  	valid = valid || (s.ProductCodes != nil && len(s.ProductCodes) > 0)
    30  
    31  	if !valid {
    32  		return multistep.ActionContinue
    33  	}
    34  
    35  	// Construct the modify image attribute requests we're going to make.
    36  	// We need to make each separately since the EC2 API only allows changing
    37  	// one type at a kind currently.
    38  	options := make(map[string]*ec2.ModifyImageAttributeInput)
    39  	if s.Description != "" {
    40  		options["description"] = &ec2.ModifyImageAttributeInput{
    41  			Description: &ec2.AttributeValue{Value: &s.Description},
    42  		}
    43  	}
    44  
    45  	if len(s.Groups) > 0 {
    46  		groups := make([]*string, len(s.Groups))
    47  		adds := make([]*ec2.LaunchPermission, len(s.Groups))
    48  		addGroups := &ec2.ModifyImageAttributeInput{
    49  			LaunchPermission: &ec2.LaunchPermissionModifications{},
    50  		}
    51  
    52  		for i, g := range s.Groups {
    53  			groups[i] = aws.String(g)
    54  			adds[i] = &ec2.LaunchPermission{
    55  				Group: aws.String(g),
    56  			}
    57  		}
    58  		addGroups.UserGroups = groups
    59  		addGroups.LaunchPermission.Add = adds
    60  
    61  		options["groups"] = addGroups
    62  	}
    63  
    64  	if len(s.Users) > 0 {
    65  		users := make([]*string, len(s.Users))
    66  		adds := make([]*ec2.LaunchPermission, len(s.Users))
    67  		for i, u := range s.Users {
    68  			users[i] = aws.String(u)
    69  			adds[i] = &ec2.LaunchPermission{UserID: aws.String(u)}
    70  		}
    71  		options["users"] = &ec2.ModifyImageAttributeInput{
    72  			UserIDs: users,
    73  			LaunchPermission: &ec2.LaunchPermissionModifications{
    74  				Add: adds,
    75  			},
    76  		}
    77  	}
    78  
    79  	if len(s.ProductCodes) > 0 {
    80  		codes := make([]*string, len(s.ProductCodes))
    81  		for i, c := range s.ProductCodes {
    82  			codes[i] = &c
    83  		}
    84  		options["product codes"] = &ec2.ModifyImageAttributeInput{
    85  			ProductCodes: codes,
    86  		}
    87  	}
    88  
    89  	for region, ami := range amis {
    90  		ui.Say(fmt.Sprintf("Modifying attributes on AMI (%s)...", ami))
    91  		regionconn := ec2.New(&aws.Config{
    92  			Credentials: ec2conn.Config.Credentials,
    93  			Region:      region,
    94  		})
    95  		for name, input := range options {
    96  			ui.Message(fmt.Sprintf("Modifying: %s", name))
    97  			input.ImageID = &ami
    98  			_, err := regionconn.ModifyImageAttribute(input)
    99  			if err != nil {
   100  				err := fmt.Errorf("Error modify AMI attributes: %s", err)
   101  				state.Put("error", err)
   102  				ui.Error(err.Error())
   103  				return multistep.ActionHalt
   104  			}
   105  		}
   106  	}
   107  
   108  	return multistep.ActionContinue
   109  }
   110  
   111  func (s *StepModifyAMIAttributes) Cleanup(state multistep.StateBag) {
   112  	// No cleanup...
   113  }