Example #1
0
func export(c *cli.Context) error {
	content, err := config.Export(c.Bool("private"), c.Bool("full"))
	if err != nil {
		log.Fatal(err)
	}

	output := c.String("output")
	if output == "" {
		fmt.Println(content)
	} else {
		err := util.WriteFileAtomic(output, []byte(content), 0400)
		if err != nil {
			log.Fatal(err)
		}
	}

	return nil
}
Example #2
0
File: init.go Project: coderjoe/os
func RunInit() error {
	os.Setenv("PATH", "/sbin:/usr/sbin:/usr/bin")
	if isInitrd() {
		log.Debug("Booting off an in-memory filesystem")
		// Magic setting to tell Docker to do switch_root and not pivot_root
		os.Setenv("DOCKER_RAMDISK", "true")
	} else {
		log.Debug("Booting off a persistent filesystem")
	}

	initFuncs := []config.CfgFunc{
		func(c *config.CloudConfig) (*config.CloudConfig, error) {
			return c, dockerlaunch.PrepareFs(&mountConfig)
		},
		mountOem,
		func(_ *config.CloudConfig) (*config.CloudConfig, error) {
			cfg := config.LoadConfig()

			if cfg.Rancher.Debug {
				cfgString, err := config.Export(false, true)
				if err != nil {
					log.WithFields(log.Fields{"err": err}).Error("Error serializing config")
				} else {
					log.Debugf("Config: %s", cfgString)
				}
			}

			return cfg, nil
		},
		loadModules,
		tryMountAndBootstrap,
		func(_ *config.CloudConfig) (*config.CloudConfig, error) {
			return config.LoadConfig(), nil
		},
		loadModules,
		func(c *config.CloudConfig) (*config.CloudConfig, error) {
			return c, dockerlaunch.PrepareFs(&mountConfig)
		},
		func(c *config.CloudConfig) (*config.CloudConfig, error) {
			network.SetProxyEnvironmentVariables(c)
			return c, nil
		},
		initializeSelinux,
		setupSharedRoot,
		sysInit,
	}

	cfg, err := config.ChainCfgFuncs(nil, initFuncs...)
	if err != nil {
		return err
	}

	launchConfig, args := getLaunchConfig(cfg, &cfg.Rancher.SystemDocker)
	launchConfig.Fork = !cfg.Rancher.SystemDocker.Exec

	log.Info("Launching System Docker")
	_, err = dockerlaunch.LaunchDocker(launchConfig, config.SYSTEM_DOCKER_BIN, args...)
	if err != nil {
		return err
	}

	return pidOne()
}