func doDetach(c *cli.Context) error {
if len(c.Args()) < 1 {
cli.ShowCommandHelp(c, "detach")
return errors.New("ENI_ID required")
}
eniID := c.Args().Get(0)
eni, err := aws.NewENIClient().WithLogWriter(os.Stdout).DetachENIWithWaiter(&aws.DetachENIParam{
InterfaceID: eniID,
}, &aws.WaiterParam{
MaxAttempts: c.Int("max-attempts"),
IntervalSec: c.Int("interval"),
})
if err != nil {
return err
}
if eni == nil {
log.Infof("%s already detached", eniID)
return nil
}
log.Infof("%s detached", eniID)
return nil
}
func doGrab(c *cli.Context) error {
if len(c.Args()) < 1 {
cli.ShowCommandHelp(c, "grab")
return errors.New("ENI_ID required")
}
eniID := c.Args().Get(0)
var instanceID string
if instanceID = c.String("instanceid"); instanceID == "" {
var err error
instanceID, err = aws.NewMetaDataClient().GetInstanceID()
if err != nil {
return err
}
}
awscli := aws.NewENIClient().WithLogWriter(os.Stdout)
// Check instance id existence
instance, err := awscli.DescribeInstanceByID(instanceID)
if err != nil {
return err
}
if instance == nil {
return fmt.Errorf("No such instance %s", instanceID)
}
eni, err := awscli.GrabENI(&aws.GrabENIParam{
InterfaceID: eniID,
InstanceID: instanceID,
DeviceIndex: c.Int("deviceindex"),
}, &aws.WaiterParam{
MaxAttempts: c.Int("max-attempts"),
IntervalSec: c.Int("interval"),
})
if err != nil {
return err
}
if eni == nil {
log.Infof("%s already attached to instance %s", eniID, instanceID)
return nil
}
log.Infof("%s attached to instance %s", eniID, instanceID)
return nil
}
func cmdNotFound(c *cli.Context, command string) {
log.Infof(
"%s: '%s' is not a %s command. See '%s --help'.",
c.App.Name,
command,
c.App.Name,
os.Args[0],
)
}