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vm.go
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vm.go
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package vm
import (
"encoding/json"
"strconv"
bosherr "github.com/cloudfoundry/bosh-utils/errors"
boshlog "github.com/cloudfoundry/bosh-utils/logger"
"github.com/cppforlife/bosh-virtualbox-cpi/driver"
bpds "github.com/cppforlife/bosh-virtualbox-cpi/vm/portdevices"
)
type VMImpl struct {
id string
portDevices bpds.PortDevices
store Store
driver driver.Driver
logger boshlog.Logger
}
func NewVMImpl(
id string,
portDevices bpds.PortDevices,
store Store,
driver driver.Driver,
logger boshlog.Logger,
) VMImpl {
return VMImpl{
id: id,
portDevices: portDevices,
store: store,
driver: driver,
logger: logger,
}
}
func (vm VMImpl) ID() string { return vm.id }
func (vm VMImpl) SetProps(props VMProps) error {
_, err := vm.driver.Execute(
"modifyvm", vm.id,
"--name", vm.id,
"--memory", strconv.Itoa(props.Memory),
"--cpus", strconv.Itoa(props.CPUs),
// Using minimal paravirtualization provider to avoid CPU lockups
"--paravirtprovider", props.ParavirtProvider,
)
return err
}
func (vm VMImpl) SetMetadata(meta VMMetadata) error {
bytes, err := json.Marshal(meta)
if err != nil {
return bosherr.WrapError(err, "Marshaling VM metadata")
}
err = vm.store.Put("metadata.json", bytes)
if err != nil {
return bosherr.WrapError(err, "Saving VM metadata")
}
return nil
}
func (vm VMImpl) ConfigureNICs(nets Networks) (Networks, error) {
return NICs{vm.driver, vm.ID()}.Configure(nets)
}
func (vm VMImpl) Delete() error {
err := vm.HaltIfRunning()
if err != nil {
return err
}
// todo is this necessary?
err = vm.detachPersistentDisks()
if err != nil {
return err
}
_, err = vm.driver.Execute("unregistervm", vm.id, "--delete")
if err != nil {
return err
}
return vm.store.Delete()
}