85 lines
1.9 KiB
Go
85 lines
1.9 KiB
Go
package ebs
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import (
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"bytes"
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"fmt"
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"github.com/mitchellh/goamz/ec2"
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"github.com/mitchellh/multistep"
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"github.com/mitchellh/packer/packer"
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"log"
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"strconv"
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"text/template"
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"time"
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)
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type stepCreateAMI struct{}
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type amiNameData struct {
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CreateTime string
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}
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func (s *stepCreateAMI) Run(state map[string]interface{}) multistep.StepAction {
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config := state["config"].(config)
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ec2conn := state["ec2"].(*ec2.EC2)
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instance := state["instance"].(*ec2.Instance)
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ui := state["ui"].(packer.Ui)
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// Parse the name of the AMI
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amiNameBuf := new(bytes.Buffer)
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tData := amiNameData{
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strconv.FormatInt(time.Now().UTC().Unix(), 10),
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}
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t := template.Must(template.New("ami").Parse(config.AMIName))
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t.Execute(amiNameBuf, tData)
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amiName := amiNameBuf.String()
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// Create the image
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ui.Say(fmt.Sprintf("Creating the AMI: %s", amiName))
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createOpts := &ec2.CreateImage{
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InstanceId: instance.InstanceId,
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Name: amiName,
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}
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createResp, err := ec2conn.CreateImage(createOpts)
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if err != nil {
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err := fmt.Errorf("Error creating AMI: %s", err)
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state["error"] = err
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ui.Error(err.Error())
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return multistep.ActionHalt
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}
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// Set the AMI ID in the state
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ui.Say(fmt.Sprintf("AMI: %s", createResp.ImageId))
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amis := make(map[string]string)
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amis[config.Region] = createResp.ImageId
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state["amis"] = amis
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// Wait for the image to become ready
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ui.Say("Waiting for AMI to become ready...")
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for {
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imageResp, err := ec2conn.Images([]string{createResp.ImageId}, ec2.NewFilter())
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if err != nil {
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err := fmt.Errorf("Error querying images: %s", err)
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state["error"] = err
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ui.Error(err.Error())
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return multistep.ActionHalt
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}
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if imageResp.Images[0].State == "available" {
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break
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}
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log.Printf("Image in state %s, sleeping 2s before checking again",
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imageResp.Images[0].State)
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time.Sleep(2 * time.Second)
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}
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return multistep.ActionContinue
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}
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func (s *stepCreateAMI) Cleanup(map[string]interface{}) {
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// No cleanup...
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}
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