func instances(e *ec2.EC2, args ...string) {
filter := ec2.NewFilter()
for _, v := range args {
sl := strings.SplitN(v, "=", 2)
if len(sl) != 2 {
fmt.Fprintf(os.Stderr, "instances: bad key=value pair \"%s\", skipping\n", v)
continue
}
filter.Add(sl[0], sl[1])
}
resp, err := e.Instances(nil, filter)
if err != nil {
fmt.Fprintf(os.Stderr, "instances: %s\n", err)
os.Exit(1)
}
for _, r := range resp.Reservations {
fmt.Println("reservation:", r.ReservationId)
for _, i := range r.Instances {
fmt.Printf("%s\t%s\t%s\t%s\n", i.InstanceId, i.State.Name, i.DNSName, i.ImageId)
}
}
}
