packer-cn/step_hardware.go

74 lines
1.9 KiB
Go

package main
import (
"github.com/mitchellh/multistep"
"github.com/hashicorp/packer/packer"
"github.com/vmware/govmomi/vim25/types"
"context"
"github.com/vmware/govmomi/object"
"fmt"
)
type HardwareConfig struct {
CPUs int32 `mapstructure:"CPUs"`
CPUReservation int64 `mapstructure:"CPU_reservation"`
CPULimit int64 `mapstructure:"CPU_limit"`
RAM int64 `mapstructure:"RAM"`
RAMReservation int64 `mapstructure:"RAM_reservation"`
RAMReserveAll bool `mapstructure:"RAM_reserve_all"`
}
func (c *HardwareConfig) Prepare() []error {
var errs []error
if c.RAMReservation > 0 && c.RAMReserveAll != false {
errs = append(errs, fmt.Errorf("'RAM_reservation' and 'RAM_reserve_all' cannot be used together"))
}
return errs
}
type StepConfigureHardware struct {
config *HardwareConfig
}
func (s *StepConfigureHardware) Run(state multistep.StateBag) multistep.StepAction {
vm := state.Get("vm").(*object.VirtualMachine)
ctx := state.Get("ctx").(context.Context)
ui := state.Get("ui").(packer.Ui)
if *s.config != (HardwareConfig{}) {
ui.Say("Customizing hardware parameters...")
var confSpec types.VirtualMachineConfigSpec
confSpec.NumCPUs = s.config.CPUs
confSpec.MemoryMB = s.config.RAM
var cpuSpec types.ResourceAllocationInfo
cpuSpec.Reservation = s.config.CPUReservation
cpuSpec.Limit = s.config.CPULimit
confSpec.CpuAllocation = &cpuSpec
var ramSpec types.ResourceAllocationInfo
ramSpec.Reservation = s.config.RAMReservation
confSpec.MemoryAllocation = &ramSpec
confSpec.MemoryReservationLockedToMax = &s.config.RAMReserveAll
task, err := vm.Reconfigure(ctx, confSpec)
if err != nil {
state.Put("error", err)
return multistep.ActionHalt
}
_, err = task.WaitForResult(ctx, nil)
if err != nil {
state.Put("error", err)
return multistep.ActionHalt
}
}
return multistep.ActionContinue
}
func (s *StepConfigureHardware) Cleanup(multistep.StateBag) {}