func dockerCommand(envt *config.Environment, command string) (cmd *exec.Cmd) {
if envt.RequiresMachine() {
cmd = exec.Command("bash", "-c", fmt.Sprintf("docker `docker-machine config %s` %s", envt.MachineName, command))
} else {
cmd = exec.Command("bash", "-c", fmt.Sprintf("docker %s", command))
}
return
}
func checkConnection(env *config.Environment) error {
err := exec.Command("docker", "info").Run()
if err != nil {
if runtime.GOOS == "darwin" {
machine := env.GetMachine()
if !machine.IsCreated() {
return errors.New("Docker machine is not created. Run setup to create the machine.")
}
if !machine.IsBooted() {
return errors.New("Docker machine is created but not booted. Run setup to boot the machine.")
}
}
return errors.New("Unable to connect to docker daemon. " + helpConnectingToDaemon(env))
}
return err
}