func doMoveEIP(region string) {
// EIP listing
allocIds, err := myec2.ChooseEIP(region)
if len(allocIds) == 0 {
log.Fatalf("error during selecting to EIP: %s", err.Error())
}
// to instance
h, err := NewRnzooCStoreManager()
if err != nil {
log.Printf("can not load EC2: %s\n", err.Error())
}
ids, err := h.ChooseEC2(region, myec2.EC2_STATE_ANY, true)
if err != nil {
log.Fatalf("error during selecting: %s", err.Error())
return
}
// one instance
instanceId := ""
if len(ids) >= 1 {
instanceId = *ids[0]
} else {
log.Fatalf("error during selecting to instance: %s", err.Error())
}
// moving
cli := ec2.New(session.New(), &aws.Config{Region: aws.String(region)})
assocId, err := myec2.AssociateEIP(cli, allocIds[0].AllocationId, instanceId)
if err != nil {
log.Fatalf("error during moving EIP: %s", err.Error())
}
log.Printf("associated association_id:%s\tpublic_ip:%s\tinstance_id:%s", convertNilString(assocId), "EIP", instanceId)
}
// allocate new EIP and associate.
func doAttachEIP(c *cli.Context) {
prepare(c)
// load config
config, err := GetDefaultConfig()
if err != nil {
log.Printf("can not load rnzoo config: %s\n", err.Error())
}
region := config.AWSRegion
moving := c.Bool(OPT_MOVE)
if moving {
doMoveEIP(region)
os.Exit(0)
}
instanceId := c.String(OPT_INSTANCE_ID)
if instanceId == "" {
h, err := NewRnzooCStoreManager()
if err != nil {
log.Printf("can not load EC2: %s\n", err.Error())
}
ids, err := h.ChooseEC2(region, myec2.EC2_STATE_ANY, true)
if err != nil {
log.Fatalf("error during selecting: %s", err.Error())
return
}
// one instance
if len(ids) >= 1 {
instanceId = *ids[0]
}
} else {
err := validateInstanceId(instanceId)
if err != nil {
log.Fatalf("invalid instance id format: %s", err.Error())
}
}
reuseEIP := c.Bool(OPT_REUSE)
cli := ec2.New(session.New(), &aws.Config{Region: aws.String(region)})
var allocId string
var ip string
if reuseEIP {
address, err := myec2.GetNotAssociateEIP(cli)
if err != nil {
log.Printf("failed no associate address so allocate new address...")
}
// if exists EIP
if address != nil {
allocId = convertNilString(address.AllocationId)
ip = convertNilString(address.PublicIp)
}
}
if allocId == "" {
aid, pip, err := myec2.AllocateEIP(cli)
if err != nil {
log.Fatalf("failed allocation address:%s", err.Error())
}
allocId = convertNilString(aid)
ip = convertNilString(pip)
log.Printf("allocated allocation_id:%s\tpublic_ip:%s", allocId, ip)
}
associationId, err := myec2.AssociateEIP(cli, allocId, instanceId)
if err != nil {
log.Fatalf("failed associate address:%s", err.Error())
}
log.Printf("associated association_id:%s\tpublic_ip:%s\tinstance_id:%s", convertNilString(associationId), ip, instanceId)
}