Function validateCommonPrerequisites

model/runner.go:84–116

validateCommonPrerequisites checks prerequisites common to all runners.

(a app.App)

// validateCommonPrerequisites checks prerequisites common to all runners.
func validateCommonPrerequisites(a app.App) error {
	// VM must be running
	if !a.Active() {
		return fmt.Errorf("%s is not running", config.CurrentProfile().DisplayName)
	}

	// check runtime is docker
	r, err := a.Runtime()
	if err != nil {
		return err
	}
	if r != docker.Name {
		return fmt.Errorf("'colima model' requires docker runtime, current runtime is %s\n"+
			"Start colima with: colima start --runtime docker --vm-type krunkit", r)
	}

	// check VM type is krunkit (required for GPU access)
	conf, err := configmanager.LoadInstance()
	if err != nil {
		return fmt.Errorf("error loading instance config: %w", err)
	}
	if conf.VMType != limaconfig.Krunkit {
		return fmt.Errorf("'colima model' requires krunkit VM type for GPU access, current VM type is %s\n"+
			"Start colima with: colima start --runtime docker --vm-type krunkit", conf.VMType)
	}

	// check krunkit binary exists on host
	if err := util.AssertKrunkit(); err != nil {
		return err
	}

	return nil
}

// dockerRunner implements Runner for Docker Model Runner.
type dockerRunner struct{}