Exemple #1
// Run checks to see if there is already an environments.yaml file. In one does not exist already,
// a boilerplate version is created so that the user can edit it to get started.
func (c *InitCommand) Run(context *cmd.Context) error {
	out := context.Stdout
	config := environs.BoilerplateConfig()
	if c.Show {
		fmt.Fprint(out, config)
		return nil
	_, err := environs.ReadEnvirons("")
	if err == nil && !c.WriteFile {
		return errJujuEnvExists
	if err != nil && !os.IsNotExist(err) {
		return err
	filename, err := environs.WriteEnvirons("", config)
	if err != nil {
		return fmt.Errorf("A boilerplate environment configuration file could not be created: %s", err.Error())
	fmt.Fprintf(out, "A boilerplate environment configuration file has been written to %s.\n", filename)
	fmt.Fprint(out, "Edit the file to configure your juju environment and run bootstrap.\n")
	return nil
func (*BoilerplateConfigSuite) TestBoilerPlateGeneration(c *C) {
	defer config.SetJujuHome(config.SetJujuHome(c.MkDir()))
	boilerplate_text := environs.BoilerplateConfig()
	_, err := environs.ReadEnvironsBytes([]byte(boilerplate_text))
	c.Assert(err, IsNil)