packer-cn/builder/ucloud/uhost/step_create_instance.go

286 lines
8.0 KiB
Go

package uhost
import (
"context"
"fmt"
"github.com/hashicorp/packer/common/retry"
"github.com/hashicorp/packer/helper/multistep"
"github.com/hashicorp/packer/packer"
"github.com/ucloud/ucloud-sdk-go/services/uhost"
"github.com/ucloud/ucloud-sdk-go/ucloud"
"math/rand"
"strings"
"time"
)
type stepCreateInstance struct {
Region string
Zone string
InstanceType string
InstanceName string
BootDiskType string
SourceImageId string
UsePrivateIp bool
instanceId string
}
func (s *stepCreateInstance) Run(ctx context.Context, state multistep.StateBag) multistep.StepAction {
client := state.Get("client").(*UCloudClient)
conn := client.uhostconn
ui := state.Get("ui").(packer.Ui)
ui.Say("Creating Instance...")
resp, err := conn.CreateUHostInstance(s.buildCreateInstanceRequest(state))
if err != nil {
return halt(state, err, "Error on creating instance")
}
instanceId := resp.UHostIds[0]
err = retry.Config{
Tries: 20,
ShouldRetry: func(err error) bool {
return isExpectedStateError(err)
},
RetryDelay: (&retry.Backoff{InitialBackoff: 2 * time.Second, MaxBackoff: 6 * time.Second, Multiplier: 2}).Linear,
}.Run(ctx, func(ctx context.Context) error {
inst, err := client.describeUHostById(instanceId)
if err != nil {
return err
}
if inst.State == "ResizeFail" {
return fmt.Errorf("resizing instance failed")
}
if inst.State == "Install Fail" {
return fmt.Errorf("install failed")
}
if inst == nil || inst.State != instanceStateRunning {
return newExpectedStateError("instance", instanceId)
}
return nil
})
if err != nil {
return halt(state, err, fmt.Sprintf("Error on waiting for instance %q to become available", instanceId))
}
ui.Message(fmt.Sprintf("Creating instance %q complete", instanceId))
instance, err := client.describeUHostById(instanceId)
if err != nil {
return halt(state, err, fmt.Sprintf("Error on reading instance when creating %q", instanceId))
}
s.instanceId = instanceId
state.Put("instance", instance)
if instance.BootDiskState != bootDiskStateNormal {
ui.Say("Waiting for boot disk of instance initialized")
if s.BootDiskType == "local_normal" || s.BootDiskType == "local_ssd" {
ui.Message(fmt.Sprintf("Warning: It takes around 10 mins for boot disk initialization when `boot_disk_type` is %q", s.BootDiskType))
}
err = retry.Config{
Tries: 200,
ShouldRetry: func(err error) bool {
return isExpectedStateError(err)
},
RetryDelay: (&retry.Backoff{InitialBackoff: 2 * time.Second, MaxBackoff: 12 * time.Second, Multiplier: 2}).Linear,
}.Run(ctx, func(ctx context.Context) error {
inst, err := client.describeUHostById(instanceId)
if err != nil {
return err
}
if inst.BootDiskState != bootDiskStateNormal {
return newExpectedStateError("boot_disk of instance", instanceId)
}
return nil
})
if err != nil {
return halt(state, err, fmt.Sprintf("Error on waiting for boot disk of instance %q initialized", instanceId))
}
ui.Message(fmt.Sprintf("Waiting for boot disk of instance %q initialized complete", instanceId))
}
return multistep.ActionContinue
}
func (s *stepCreateInstance) Cleanup(state multistep.StateBag) {
if s.instanceId == "" {
return
}
_, cancelled := state.GetOk(multistep.StateCancelled)
_, halted := state.GetOk(multistep.StateHalted)
ui := state.Get("ui").(packer.Ui)
ctx := context.TODO()
if cancelled || halted {
ui.Say("Deleting instance because of cancellation or error...")
} else {
ui.Say("Deleting instance...")
}
client := state.Get("client").(*UCloudClient)
conn := client.uhostconn
instance, err := client.describeUHostById(s.instanceId)
if err != nil {
if isNotFoundError(err) {
return
}
ui.Error(fmt.Sprintf("Error on reading instance when deleting %q, %s",
s.instanceId, err.Error()))
return
}
if instance.State != instanceStateStopped {
stopReq := conn.NewStopUHostInstanceRequest()
stopReq.UHostId = ucloud.String(s.instanceId)
if _, err = conn.StopUHostInstance(stopReq); err != nil {
ui.Error(fmt.Sprintf("Error on stopping instance when deleting %q, %s",
s.instanceId, err.Error()))
return
}
err = retry.Config{
Tries: 30,
ShouldRetry: func(err error) bool {
return isExpectedStateError(err)
},
RetryDelay: (&retry.Backoff{InitialBackoff: 2 * time.Second, MaxBackoff: 6 * time.Second, Multiplier: 2}).Linear,
}.Run(ctx, func(ctx context.Context) error {
instance, err := client.describeUHostById(s.instanceId)
if err != nil {
return err
}
if instance.State != instanceStateStopped {
return newExpectedStateError("instance", s.instanceId)
}
return nil
})
if err != nil {
ui.Error(fmt.Sprintf("Error on waiting for stopping instance when deleting %q, %s",
s.instanceId, err.Error()))
return
}
}
deleteReq := conn.NewTerminateUHostInstanceRequest()
deleteReq.UHostId = ucloud.String(s.instanceId)
deleteReq.ReleaseUDisk = ucloud.Bool(true)
deleteReq.ReleaseEIP = ucloud.Bool(true)
if _, err = conn.TerminateUHostInstance(deleteReq); err != nil {
ui.Error(fmt.Sprintf("Error on deleting instance %q, %s",
s.instanceId, err.Error()))
return
}
err = retry.Config{
Tries: 30,
ShouldRetry: func(err error) bool { return !isNotFoundError(err) },
RetryDelay: (&retry.Backoff{InitialBackoff: 2 * time.Second, MaxBackoff: 6 * time.Second, Multiplier: 2}).Linear,
}.Run(ctx, func(ctx context.Context) error {
_, err := client.describeUHostById(s.instanceId)
return err
})
if err != nil {
ui.Error(fmt.Sprintf("Error on waiting for instance %q to be deleted: %s",
s.instanceId, err.Error()))
return
}
ui.Message(fmt.Sprintf("Deleting instance %q complete", s.instanceId))
}
func (s *stepCreateInstance) buildCreateInstanceRequest(state multistep.StateBag) *uhost.CreateUHostInstanceRequest {
client := state.Get("client").(*UCloudClient)
conn := client.uhostconn
srcImage := state.Get("source_image").(*uhost.UHostImageSet)
config := state.Get("config").(*Config)
connectConfig := &config.RunConfig.Comm
var password string
if srcImage.OsType == "Linux" {
password = config.Comm.SSHPassword
}
if password == "" {
password = fmt.Sprintf("%s%s%s",
s.randStringFromCharSet(5, defaultPasswordStr),
s.randStringFromCharSet(1, defaultPasswordSpe),
s.randStringFromCharSet(5, defaultPasswordNum))
if srcImage.OsType == "Linux" {
connectConfig.SSHPassword = password
}
}
req := conn.NewCreateUHostInstanceRequest()
t, _ := parseInstanceType(s.InstanceType)
req.CPU = ucloud.Int(t.CPU)
req.Memory = ucloud.Int(t.Memory)
req.Name = ucloud.String(s.InstanceName)
req.LoginMode = ucloud.String("Password")
req.Zone = ucloud.String(s.Zone)
req.ImageId = ucloud.String(s.SourceImageId)
req.ChargeType = ucloud.String("Dynamic")
req.Password = ucloud.String(password)
if v, ok := state.GetOk("security_group_id"); ok {
req.SecurityGroupId = ucloud.String(v.(string))
}
if v, ok := state.GetOk("vpc_id"); ok {
req.VPCId = ucloud.String(v.(string))
}
if v, ok := state.GetOk("subnet_id"); ok {
req.SubnetId = ucloud.String(v.(string))
}
bootDisk := uhost.UHostDisk{}
bootDisk.IsBoot = ucloud.String("true")
bootDisk.Size = ucloud.Int(srcImage.ImageSize)
bootDisk.Type = ucloud.String(bootDiskTypeMap[s.BootDiskType])
req.Disks = append(req.Disks, bootDisk)
if !s.UsePrivateIp {
operatorName := ucloud.String("International")
if strings.HasPrefix(s.Region, "cn-") {
operatorName = ucloud.String("Bgp")
}
networkInterface := uhost.CreateUHostInstanceParamNetworkInterface{
EIP: &uhost.CreateUHostInstanceParamNetworkInterfaceEIP{
Bandwidth: ucloud.Int(30),
PayMode: ucloud.String("Traffic"),
OperatorName: operatorName,
},
}
req.NetworkInterface = append(req.NetworkInterface, networkInterface)
}
return req
}
func (s *stepCreateInstance) randStringFromCharSet(strlen int, charSet string) string {
rand.Seed(time.Now().UTC().UnixNano())
result := make([]byte, strlen)
for i := 0; i < strlen; i++ {
result[i] = charSet[rand.Intn(len(charSet))]
}
return string(result)
}