func Launch(args []string) {
if len(args) != 1 {
fmt.Println("no build given!")
return
}
build := args[0]
answer := AskQuestion("Enter Tag Name: ")
options := ec2.RunInstances{
ImageId: config.Images[config.Builds[build].Image],
InstanceType: config.Builds[build].Size,
KeyName: config.Builds[build].Key,
SecurityGroups: config.Builds[build].SecurityGroups,
}
cnt := config.Builds[build].Count
if cnt != 0 {
options.MinCount = config.Builds[build].Count
}
if config.Builds[build].Zone != "" {
options.AvailZone = config.Builds[build].Zone
}
if config.Builds[build].UserData != "" {
userData, err := ioutil.ReadFile(scriptPath + config.Builds[build].UserData)
if err != nil {
fmt.Println("Unable to read UserData script", err)
return
}
options.UserData = userData
}
resp, err := conn.RunInstances(&options)
if err != nil {
fmt.Println("AWS ec2 Run Instances Fail: ", err)
return
}
for idx, instance := range resp.Instances {
fmt.Println("Now running", instance.InstanceId)
name := answer
if cnt > 1 {
name = fmt.Sprintf("%s-%d", answer, idx+1)
}
_, err = conn.CreateTags([]string{instance.InstanceId}, []ec2.Tag{{"Name", name}})
if err != nil {
fmt.Println("Error Creating Tags: ", err)
}
}
fmt.Println("Make sure you terminate instances to stop the cash flow.")
}
