github.com/rothwerx/packer@v0.9.0/builder/amazon/common/artifact.go (about)

     1  package common
     2  
     3  import (
     4  	"fmt"
     5  	"log"
     6  	"sort"
     7  	"strings"
     8  
     9  	"github.com/aws/aws-sdk-go/aws"
    10  	"github.com/aws/aws-sdk-go/aws/session"
    11  	"github.com/aws/aws-sdk-go/service/ec2"
    12  	"github.com/mitchellh/packer/packer"
    13  )
    14  
    15  // Artifact is an artifact implementation that contains built AMIs.
    16  type Artifact struct {
    17  	// A map of regions to AMI IDs.
    18  	Amis map[string]string
    19  
    20  	// BuilderId is the unique ID for the builder that created this AMI
    21  	BuilderIdValue string
    22  
    23  	// EC2 connection for performing API stuff.
    24  	Conn *ec2.EC2
    25  }
    26  
    27  func (a *Artifact) BuilderId() string {
    28  	return a.BuilderIdValue
    29  }
    30  
    31  func (*Artifact) Files() []string {
    32  	// We have no files
    33  	return nil
    34  }
    35  
    36  func (a *Artifact) Id() string {
    37  	parts := make([]string, 0, len(a.Amis))
    38  	for region, amiId := range a.Amis {
    39  		parts = append(parts, fmt.Sprintf("%s:%s", region, amiId))
    40  	}
    41  
    42  	sort.Strings(parts)
    43  	return strings.Join(parts, ",")
    44  }
    45  
    46  func (a *Artifact) String() string {
    47  	amiStrings := make([]string, 0, len(a.Amis))
    48  	for region, id := range a.Amis {
    49  		single := fmt.Sprintf("%s: %s", region, id)
    50  		amiStrings = append(amiStrings, single)
    51  	}
    52  
    53  	sort.Strings(amiStrings)
    54  	return fmt.Sprintf("AMIs were created:\n\n%s", strings.Join(amiStrings, "\n"))
    55  }
    56  
    57  func (a *Artifact) State(name string) interface{} {
    58  	switch name {
    59  	case "atlas.artifact.metadata":
    60  		return a.stateAtlasMetadata()
    61  	default:
    62  		return nil
    63  	}
    64  }
    65  
    66  func (a *Artifact) Destroy() error {
    67  	errors := make([]error, 0)
    68  
    69  	for region, imageId := range a.Amis {
    70  		log.Printf("Deregistering image ID (%s) from region (%s)", imageId, region)
    71  
    72  		regionConfig := &aws.Config{
    73  			Credentials: a.Conn.Config.Credentials,
    74  			Region:      aws.String(region),
    75  		}
    76  		sess := session.New(regionConfig)
    77  		regionConn := ec2.New(sess)
    78  
    79  		input := &ec2.DeregisterImageInput{
    80  			ImageId: &imageId,
    81  		}
    82  		if _, err := regionConn.DeregisterImage(input); err != nil {
    83  			errors = append(errors, err)
    84  		}
    85  
    86  		// TODO(mitchellh): Delete the snapshots associated with an AMI too
    87  	}
    88  
    89  	if len(errors) > 0 {
    90  		if len(errors) == 1 {
    91  			return errors[0]
    92  		} else {
    93  			return &packer.MultiError{Errors: errors}
    94  		}
    95  	}
    96  
    97  	return nil
    98  }
    99  
   100  func (a *Artifact) stateAtlasMetadata() interface{} {
   101  	metadata := make(map[string]string)
   102  	for region, imageId := range a.Amis {
   103  		k := fmt.Sprintf("region.%s", region)
   104  		metadata[k] = imageId
   105  	}
   106  
   107  	return metadata
   108  }