110 lines
2.0 KiB
Go
110 lines
2.0 KiB
Go
package vmmanager
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import (
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"context"
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"fmt"
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"github.com/cirruslabs/orchard/pkg/resource/v1"
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"go.uber.org/zap"
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"strconv"
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"sync"
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)
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type VM struct {
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id string
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Resource v1.VM
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ctx context.Context
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cancel context.CancelFunc
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wg *sync.WaitGroup
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}
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func NewVM(vmResource v1.VM, logger *zap.SugaredLogger) *VM {
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ctx, cancel := context.WithCancel(context.Background())
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vm := &VM{
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id: fmt.Sprintf("orchard-%s-%s", vmResource.Name, vmResource.UID),
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Resource: vmResource,
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ctx: ctx,
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cancel: cancel,
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wg: &sync.WaitGroup{},
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}
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vm.wg.Add(1)
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go func() {
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defer vm.wg.Done()
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// Optimistic set the status to running. Will be synced later by the worker loop.
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vm.Resource.Status = v1.VMStatusRunning
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if err := vm.run(vm.ctx); err != nil {
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logger.Errorf("VM %s failed: %v", vm.id, err)
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vm.Resource.Status = v1.VMStatusFailed
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} else {
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vm.Resource.Status = v1.VMStatusStopped
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}
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}()
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return vm
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}
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func (vm *VM) run(ctx context.Context) error {
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_, _, err := Tart(ctx, "clone", vm.Resource.Image, vm.id)
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if err != nil {
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return err
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}
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if vm.Resource.Memory != 0 {
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_, _, err = Tart(ctx, "set", "--memory", strconv.FormatUint(vm.Resource.Memory, 10), vm.id)
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if err != nil {
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return err
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}
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}
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if vm.Resource.CPU != 0 {
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_, _, err = Tart(ctx, "set", "--cpu", strconv.FormatUint(vm.Resource.CPU, 10), vm.id)
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if err != nil {
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return err
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}
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}
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var runArgs = []string{"run"}
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if vm.Resource.Softnet {
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runArgs = append(runArgs, "--net-softnet")
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}
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if vm.Resource.Headless {
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runArgs = append(runArgs, "--no-graphics")
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}
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runArgs = append(runArgs, vm.id)
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_, _, err = Tart(ctx, runArgs...)
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if err != nil {
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return err
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}
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return nil
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}
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func (vm *VM) Stop() error {
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_, _, _ = Tart(context.Background(), "stop", vm.id)
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vm.cancel()
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vm.wg.Wait()
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return nil
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}
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func (vm *VM) Delete() error {
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_, _, err := Tart(context.Background(), "delete", vm.id)
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if err != nil {
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return fmt.Errorf("%w: failed to delete VM %s: %v", ErrFailed, vm.id, err)
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}
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return nil
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}
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