func main() {
var inst_id string
if instanceID == "" {
inst_id := aws.InstanceId()
if inst_id == "unknown" {
log.Fatalln("Unable to get instance id")
}
} else {
inst_id = instanceID
}
auth, err := aws.GetAuth(accesskey, secretkey, "", time.Time{})
if err != nil {
log.Fatalln("Unable to get AWS auth", err)
}
awsec2 = ec2.New(auth, aws.GetRegion(region))
groupMap := getSecurityGroupIds(inst_id)
for _, id := range securityGroupIDs {
groupMap[id] = true
}
groupIds := make([]string, 0, len(groupMap))
for id := range groupMap {
groupIds = append(groupIds, id)
}
opts := &ec2.ModifyInstanceAttributeOptions{SecurityGroups: ec2.SecurityGroupIds(groupIds...)}
resp, err := awsec2.ModifyInstanceAttribute(inst_id, opts)
if err != nil || !resp.Return {
log.Fatalln("Error adding security groups to instance", err)
}
log.Printf("Added security groups %s to instance %s\n", securityGroupIDs.String(), inst_id)
c := make(chan os.Signal, 1)
signal.Notify(c, syscall.SIGTERM, syscall.SIGINT, syscall.SIGKILL)
// this waits until we get a kill signal
<-c
groupMap = getSecurityGroupIds(inst_id)
for _, id := range securityGroupIDs {
delete(groupMap, id)
}
groupIds = make([]string, 0, len(groupMap))
for id := range groupMap {
groupIds = append(groupIds, id)
}
opts = &ec2.ModifyInstanceAttributeOptions{SecurityGroups: ec2.SecurityGroupIds(groupIds...)}
resp, err = awsec2.ModifyInstanceAttribute(inst_id, opts)
if err != nil || !resp.Return {
log.Fatalln("Error removing security groups from instance", err)
}
log.Printf("Removed security groups %s from instance %s\n", securityGroupIDs.String(), inst_id)
}
func main() {
var inst_id string
if instanceID == "" {
inst_id := aws.InstanceId()
if inst_id == "unknown" {
log.Fatalln("Unable to get instance id")
}
} else {
inst_id = instanceID
}
auth, err := aws.GetAuth(accesskey, secretkey, "", time.Time{})
if err != nil {
log.Fatalln("Unable to get AWS auth", err)
}
if securityGroupID != "" {
awsec2 = ec2.New(auth, aws.GetRegion(region))
groupMap := getSecurityGroupIds(inst_id)
groupMap[securityGroupID] = true
groupIds := make([]string, 0, len(groupMap))
for id := range groupMap {
groupIds = append(groupIds, id)
}
opts := &ec2.ModifyInstanceAttributeOptions{SecurityGroups: ec2.SecurityGroupIds(groupIds...)}
resp, err := awsec2.ModifyInstanceAttribute(inst_id, opts)
if err != nil || !resp.Return {
log.Fatalln("Error adding security group to instance", err)
}
log.Printf("Added security group %s to instance %s\n", securityGroupID, inst_id)
}
awselb := elb.New(auth, aws.GetRegion(region))
for _, lbname := range lbnames {
_, err = awselb.RegisterInstancesWithLoadBalancer([]string{inst_id}, lbname)
if err != nil {
log.Fatalln("Error registering instance", err)
}
log.Printf("Registered instance %s with elb %s\n", inst_id, lbname)
}
c := make(chan os.Signal, 1)
signal.Notify(c, syscall.SIGTERM, syscall.SIGINT, syscall.SIGKILL)
// this waits until we get a kill signal
<-c
for _, lbname := range lbnames {
_, err = awselb.DeregisterInstancesFromLoadBalancer([]string{inst_id}, lbname)
if err != nil {
log.Fatalln("Error deregistering instance", err)
}
log.Printf("Deregistered instance %s with elb %s\n", inst_id, lbname)
}
if securityGroupID != "" {
groupMap := getSecurityGroupIds(inst_id)
delete(groupMap, securityGroupID)
groupIds := make([]string, 0, len(groupMap))
for id := range groupMap {
groupIds = append(groupIds, id)
}
opts := &ec2.ModifyInstanceAttributeOptions{SecurityGroups: ec2.SecurityGroupIds(groupIds...)}
resp, err := awsec2.ModifyInstanceAttribute(inst_id, opts)
if err != nil || !resp.Return {
log.Fatalln("Error removing security group from instance", err)
}
log.Printf("Removed security group %s from instance %s\n", securityGroupID, inst_id)
}
}