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step_ami_region_copy.go
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/
step_ami_region_copy.go
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package common
import (
"fmt"
"github.com/mitchellh/goamz/aws"
"github.com/mitchellh/goamz/ec2"
"github.com/mitchellh/multistep"
"github.com/mitchellh/packer/packer"
)
type StepAMIRegionCopy struct {
Regions []string
Tags map[string]string
}
func (s *StepAMIRegionCopy) Run(state map[string]interface{}) multistep.StepAction {
ec2conn := state["ec2"].(*ec2.EC2)
ui := state["ui"].(packer.Ui)
amis := state["amis"].(map[string]string)
ami := amis[ec2conn.Region.Name]
if len(s.Regions) == 0 {
return multistep.ActionContinue
}
ui.Say(fmt.Sprintf("Copying AMI (%s) to other regions...", ami))
for _, region := range s.Regions {
ui.Message(fmt.Sprintf("Copying to: %s", region))
// Connect to the region where the AMI will be copied to
regionconn := ec2.New(ec2conn.Auth, aws.Regions[region])
resp, err := regionconn.CopyImage(&ec2.CopyImage{
SourceRegion: ec2conn.Region.Name,
SourceImageId: ami,
})
if err != nil {
err := fmt.Errorf("Error Copying AMI (%s) to region (%s): %s", ami, region, err)
state["error"] = err
ui.Error(err.Error())
return multistep.ActionHalt
}
ui.Say(fmt.Sprintf("Waiting for AMI (%s) in region (%s) to become ready...", resp.ImageId, region))
if err := WaitForAMI(regionconn, resp.ImageId); err != nil {
err := fmt.Errorf("Error waiting for AMI (%s) in region (%s): %s", resp.ImageId, region, err)
state["error"] = err
ui.Error(err.Error())
return multistep.ActionHalt
}
// Need to re-apply Tags since they are not copied with the AMI
if len(s.Tags) > 0 {
ui.Say(fmt.Sprintf("Adding tags to AMI (%s)...", resp.ImageId))
var ec2Tags []ec2.Tag
for key, value := range s.Tags {
ui.Message(fmt.Sprintf("Adding tag: \"%s\": \"%s\"", key, value))
ec2Tags = append(ec2Tags, ec2.Tag{key, value})
}
_, err := regionconn.CreateTags([]string{resp.ImageId}, ec2Tags)
if err != nil {
err := fmt.Errorf("Error adding tags to AMI (%s): %s", resp.ImageId, err)
state["error"] = err
ui.Error(err.Error())
return multistep.ActionHalt
}
}
amis[region] = resp.ImageId
}
state["amis"] = amis
return multistep.ActionContinue
}
func (s *StepAMIRegionCopy) Cleanup(state map[string]interface{}) {
// No cleanup...
}