packer-plugin-xenserver/builder/xenserver/common/step_attach_vdi.go

82 lines
2.0 KiB
Go

package common
import (
"fmt"
"github.com/mitchellh/multistep"
"github.com/mitchellh/packer/packer"
xsclient "github.com/xenserver/go-xenserver-client"
"log"
)
type StepAttachVdi struct {
VdiUuidKey string
VdiType xsclient.VDIType
vdi *xsclient.VDI
}
func (self *StepAttachVdi) Run(state multistep.StateBag) multistep.StepAction {
ui := state.Get("ui").(packer.Ui)
client := state.Get("client").(xsclient.XenAPIClient)
var vdiUuid string
if vdiUuidRaw, ok := state.GetOk(self.VdiUuidKey); ok {
vdiUuid = vdiUuidRaw.(string)
} else {
log.Printf("Skipping attach of '%s'", self.VdiUuidKey)
return multistep.ActionContinue
}
var err error
self.vdi, err = client.GetVdiByUuid(vdiUuid)
if err != nil {
ui.Error(fmt.Sprintf("Unable to get VDI from UUID '%s': %s", vdiUuid, err.Error()))
return multistep.ActionHalt
}
uuid := state.Get("instance_uuid").(string)
instance, err := client.GetVMByUuid(uuid)
if err != nil {
ui.Error(fmt.Sprintf("Unable to get VM from UUID '%s': %s", uuid, err.Error()))
return multistep.ActionHalt
}
err = instance.ConnectVdi(self.vdi, self.VdiType, "")
if err != nil {
ui.Error(fmt.Sprintf("Error attaching VDI '%s': '%s'", vdiUuid, err.Error()))
return multistep.ActionHalt
}
log.Printf("Attached VDI '%s'", vdiUuid)
return multistep.ActionContinue
}
func (self *StepAttachVdi) Cleanup(state multistep.StateBag) {
config := state.Get("commonconfig").(CommonConfig)
client := state.Get("client").(xsclient.XenAPIClient)
if config.ShouldKeepVM(state) {
return
}
if self.vdi == nil {
return
}
uuid := state.Get("instance_uuid").(string)
instance, err := client.GetVMByUuid(uuid)
if err != nil {
log.Printf("Unable to get VM from UUID '%s': %s", uuid, err.Error())
return
}
vdiUuid := state.Get(self.VdiUuidKey).(string)
err = instance.DisconnectVdi(self.vdi)
if err != nil {
log.Printf("Unable to disconnect VDI '%s': %s", vdiUuid, err.Error())
return
}
log.Printf("Detached VDI '%s'", vdiUuid)
}