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package ncloud
import (
"context"
"fmt"
"log"
"time"
ncloud "github.com/NaverCloudPlatform/ncloud-sdk-go/sdk"
"github.com/hashicorp/packer/helper/multistep"
"github.com/hashicorp/packer/packer"
)
type StepCreatePublicIPInstance struct {
Conn *ncloud.Conn
CreatePublicIPInstance func(serverInstanceNo string) (*ncloud.PublicIPInstance, error)
WaiterAssociatePublicIPToServerInstance func(serverInstanceNo string, publicIP string) error
Say func(message string)
Error func(e error)
Config *Config
}
func NewStepCreatePublicIPInstance(conn *ncloud.Conn, ui packer.Ui, config *Config) *StepCreatePublicIPInstance {
var step = &StepCreatePublicIPInstance{
Conn: conn,
Say: func(message string) { ui.Say(message) },
Error: func(e error) { ui.Error(e.Error()) },
Config: config,
}
step.CreatePublicIPInstance = step.createPublicIPInstance
step.WaiterAssociatePublicIPToServerInstance = step.waiterAssociatePublicIPToServerInstance
return step
}
func (s *StepCreatePublicIPInstance) waiterAssociatePublicIPToServerInstance(serverInstanceNo string, publicIP string) error {
reqParams := new(ncloud.RequestGetServerInstanceList)
reqParams.ServerInstanceNoList = []string{serverInstanceNo}
c1 := make(chan error, 1)
go func() {
for {
serverInstanceList, err := s.Conn.GetServerInstanceList(reqParams)
if err != nil {
c1 <- err
return
}
if publicIP == serverInstanceList.ServerInstanceList[0].PublicIP {
c1 <- nil
return
}
s.Say("Wait to associate public ip serverInstance")
time.Sleep(time.Second * 3)
}
}()
select {
case res := <-c1:
return res
case <-time.After(time.Second * 60):
return fmt.Errorf("TIMEOUT : association public ip[%s] to server instance[%s] Failed", publicIP, serverInstanceNo)
}
}
func (s *StepCreatePublicIPInstance) createPublicIPInstance(serverInstanceNo string) (*ncloud.PublicIPInstance, error) {
reqParams := new(ncloud.RequestCreatePublicIPInstance)
reqParams.ServerInstanceNo = serverInstanceNo
publicIPInstanceList, err := s.Conn.CreatePublicIPInstance(reqParams)
if err != nil {
return nil, err
}
publicIPInstance := publicIPInstanceList.PublicIPInstanceList[0]
publicIP := publicIPInstance.PublicIP
s.Say(fmt.Sprintf("Public IP Instance [%s:%s] is created", publicIPInstance.PublicIPInstanceNo, publicIP))
err = s.waiterAssociatePublicIPToServerInstance(serverInstanceNo, publicIP)
return &publicIPInstance, nil
}
func (s *StepCreatePublicIPInstance) Run(_ context.Context, state multistep.StateBag) multistep.StepAction {
s.Say("Create Public IP Instance")
serverInstanceNo := state.Get("InstanceNo").(string)
publicIPInstance, err := s.CreatePublicIPInstance(serverInstanceNo)
if err == nil {
state.Put("PublicIP", publicIPInstance.PublicIP)
state.Put("PublicIPInstance", publicIPInstance)
}
return processStepResult(err, s.Error, state)
}
func (s *StepCreatePublicIPInstance) Cleanup(state multistep.StateBag) {
publicIPInstance, ok := state.GetOk("PublicIPInstance")
if !ok {
return
}
s.Say("Clean up Public IP Instance")
publicIPInstanceNo := publicIPInstance.(*ncloud.PublicIPInstance).PublicIPInstanceNo
s.waitPublicIPInstanceStatus(publicIPInstanceNo, "USED")
log.Println("Disassociate Public IP Instance ", publicIPInstanceNo)
s.Conn.DisassociatePublicIP(publicIPInstanceNo)
s.waitPublicIPInstanceStatus(publicIPInstanceNo, "CREAT")
reqParams := new(ncloud.RequestDeletePublicIPInstances)
reqParams.PublicIPInstanceNoList = []string{publicIPInstanceNo}
log.Println("Delete Public IP Instance ", publicIPInstanceNo)
s.Conn.DeletePublicIPInstances(reqParams)
}
func (s *StepCreatePublicIPInstance) waitPublicIPInstanceStatus(publicIPInstanceNo string, status string) {
c1 := make(chan error, 1)
go func() {
reqParams := new(ncloud.RequestPublicIPInstanceList)
reqParams.PublicIPInstanceNoList = []string{publicIPInstanceNo}
for {
resp, err := s.Conn.GetPublicIPInstanceList(reqParams)
if err != nil {
log.Printf(err.Error())
c1 <- err
return
}
if resp.TotalRows == 0 {
c1 <- nil
return
}
instance := resp.PublicIPInstanceList[0]
if instance.PublicIPInstanceStatus.Code == status && instance.PublicIPInstanceOperation.Code == "NULL" {
c1 <- nil
return
}
time.Sleep(time.Second * 2)
}
}()
select {
case <-c1:
return
case <-time.After(time.Second * 60):
return
}
}
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