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package ecs
import (
"errors"
"fmt"
"time"
"github.com/denverdino/aliyungo/common"
"github.com/denverdino/aliyungo/ecs"
"github.com/hashicorp/packer/packer"
"github.com/mitchellh/multistep"
)
type stepConfigAlicloudVSwitch struct {
VSwitchId string
ZoneId string
isCreate bool
CidrBlock string
VSwitchName string
}
func (s *stepConfigAlicloudVSwitch) Run(state multistep.StateBag) multistep.StepAction {
client := state.Get("client").(*ecs.Client)
ui := state.Get("ui").(packer.Ui)
vpcId := state.Get("vpcid").(string)
config := state.Get("config").(Config)
if len(s.VSwitchId) != 0 {
vswitchs, _, err := client.DescribeVSwitches(&ecs.DescribeVSwitchesArgs{
VpcId: vpcId,
VSwitchId: s.VSwitchId,
ZoneId: s.ZoneId,
})
if err != nil {
ui.Say(fmt.Sprintf("Failed querying vswitch: %s", err))
state.Put("error", err)
return multistep.ActionHalt
}
if len(vswitchs) > 0 {
vswitch := vswitchs[0]
state.Put("vswitchid", vswitch.VSwitchId)
s.isCreate = false
return multistep.ActionContinue
}
s.isCreate = false
message := fmt.Sprintf("The specified vswitch {%s} doesn't exist.", s.VSwitchId)
state.Put("error", errors.New(message))
ui.Say(message)
return multistep.ActionHalt
}
if s.ZoneId == "" {
zones, err := client.DescribeZones(common.Region(config.AlicloudRegion))
if err != nil {
ui.Say(fmt.Sprintf("Query for available zones failed: %s", err))
state.Put("error", err)
return multistep.ActionHalt
}
var instanceTypes []string
for _, zone := range zones {
isVSwitchSupported := false
for _, resourceType := range zone.AvailableResourceCreation.ResourceTypes {
if resourceType == ecs.ResourceTypeVSwitch {
isVSwitchSupported = true
}
}
if isVSwitchSupported {
for _, instanceType := range zone.AvailableInstanceTypes.InstanceTypes {
if instanceType == config.InstanceType {
s.ZoneId = zone.ZoneId
break
}
instanceTypes = append(instanceTypes, instanceType)
}
}
}
if s.ZoneId == "" {
if len(instanceTypes) > 0 {
ui.Say(fmt.Sprintf("The instance type %s isn't available in this region."+
"\n You can either change the instance to one of following: %v \n"+
"or choose another region.", config.InstanceType, instanceTypes))
state.Put("error", fmt.Errorf("The instance type %s isn't available in this region."+
"\n You can either change the instance to one of following: %v \n"+
"or choose another region.", config.InstanceType, instanceTypes))
return multistep.ActionHalt
} else {
ui.Say(fmt.Sprintf("The instance type %s isn't available in this region."+
"\n You can change to other regions.", config.InstanceType))
state.Put("error", fmt.Errorf("The instance type %s isn't available in this region."+
"\n You can change to other regions.", config.InstanceType))
return multistep.ActionHalt
}
}
}
if config.CidrBlock == "" {
s.CidrBlock = "172.16.0.0/24" //use the default CirdBlock
}
ui.Say("Creating vswitch...")
vswitchId, err := client.CreateVSwitch(&ecs.CreateVSwitchArgs{
CidrBlock: s.CidrBlock,
ZoneId: s.ZoneId,
VpcId: vpcId,
VSwitchName: s.VSwitchName,
})
if err != nil {
state.Put("error", err)
ui.Say(fmt.Sprintf("Create vswitch failed %v", err))
return multistep.ActionHalt
}
if err := client.WaitForVSwitchAvailable(vpcId, s.VSwitchId, ALICLOUD_DEFAULT_TIMEOUT); err != nil {
state.Put("error", err)
ui.Error(fmt.Sprintf("Timeout waiting for vswitch to become available: %v", err))
return multistep.ActionHalt
}
state.Put("vswitchid", vswitchId)
s.isCreate = true
s.VSwitchId = vswitchId
return multistep.ActionContinue
}
func (s *stepConfigAlicloudVSwitch) Cleanup(state multistep.StateBag) {
if !s.isCreate {
return
}
client := state.Get("client").(*ecs.Client)
ui := state.Get("ui").(packer.Ui)
message(state, "vSwitch")
timeoutPoint := time.Now().Add(10 * time.Second)
for {
if err := client.DeleteVSwitch(s.VSwitchId); err != nil {
e, _ := err.(*common.Error)
if (e.Code == "IncorrectVSwitchStatus" || e.Code == "DependencyViolation" ||
e.Code == "DependencyViolation.HaVip" ||
e.Code == "IncorretRouteEntryStatus") && time.Now().Before(timeoutPoint) {
time.Sleep(1 * time.Second)
continue
}
ui.Error(fmt.Sprintf("Error deleting vswitch, it may still be around: %s", err))
return
}
break
}
}
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