コード例 #1
0
ファイル: bootenvutil.go プロジェクト: maciejmrowiec/mender
func (c *uBootEnvCommand) command(params ...string) (uBootVars, error) {

	cmd := runner.run(c.EnvCmd, params...)
	cmdReader, err := cmd.StdoutPipe()

	if err != nil {
		log.Errorln("Error creating StdoutPipe:", err)
		return nil, err
	}

	scanner := bufio.NewScanner(cmdReader)

	err = cmd.Start()
	if err != nil {
		log.Errorln("There was an error getting or setting U-Boot env")
		return nil, err
	}

	var env_variables = make(uBootVars)

	for scanner.Scan() {
		log.Debugln("Have U-Boot variable:", scanner.Text())
		splited_line := strings.Split(scanner.Text(), "=")

		//we are having empty line (usually at the end of output)
		if scanner.Text() == "" {
			continue
		}

		//we have some malformed data or Warning/Error
		if len(splited_line) != 2 {
			log.Errorln("U-Boot variable malformed or error occured")
			return nil, errors.New("Invalid U-Boot variable or error: " + scanner.Text())
		}

		env_variables[splited_line[0]] = splited_line[1]
	}

	err = cmd.Wait()
	if err != nil {
		log.Errorln("U-Boot env command returned non zero status")
		return nil, err
	}

	if len(env_variables) > 0 {
		log.Debugln("List of U-Boot variables:", env_variables)
	}

	return env_variables, err
}
コード例 #2
0
ファイル: bootenvutil.go プロジェクト: maciejmrowiec/mender
func setBootEnv(var_name string, value string) error {

	set_env := uBootEnvCommand{"fw_setenv"}

	if _, err := set_env.command(var_name, value); err != nil {
		log.Errorln("Error setting U-Boot variable:", err)
		return err
	}
	return nil
}
コード例 #3
0
ファイル: bootenv.go プロジェクト: pasinskim/mender
func getOrSetEnvironmentVariable(cmd *exec.Cmd) (BootVars, error) {
	cmdReader, err := cmd.StdoutPipe()

	if err != nil {
		log.Errorln("Error creating StdoutPipe: ", err)
		return nil, err
	}

	scanner := bufio.NewScanner(cmdReader)

	err = cmd.Start()
	if err != nil {
		return nil, err
	}

	var env_variables = make(BootVars)

	for scanner.Scan() {
		log.Debug("Have U-Boot variable: ", scanner.Text())
		splited_line := strings.Split(scanner.Text(), "=")

		//we are having empty line (usually at the end of output)
		if scanner.Text() == "" {
			continue
		}

		//we have some malformed data or Warning/Error
		if len(splited_line) != 2 {
			log.Error("U-Boot variable malformed or error occured")
			return nil, errors.New("Invalid U-Boot variable or error: " + scanner.Text())
		}

		env_variables[splited_line[0]] = splited_line[1]
	}

	err = cmd.Wait()
	if err != nil {
		return nil, err
	}

	if len(env_variables) > 0 {
		log.Debug("List of U-Boot variables:", env_variables)
	}

	return env_variables, err
}
コード例 #4
0
ファイル: main_test.go プロジェクト: pasinskim/mender
func TestLoggingOptions(t *testing.T) {
	err := doMain([]string{"-commit", "-log-level", "crap"})
	assert.Error(t, err, "'crap' log level should have given error")
	// Should have a reference to log level.
	assert.Contains(t, err.Error(), "Level")

	err = doMain([]string{"-info", "-log-level", "debug"})
	assert.Error(t, err, "Incompatible log levels should have given error")
	assert.Contains(t, err.Error(), errMsgIncompatibleLogOptions.Error())

	var buf bytes.Buffer
	oldOutput := log.Log.Out
	log.SetOutput(&buf)
	defer log.SetOutput(oldOutput)

	// Ignore errors for now, we just want to know if the logging level was
	// applied.
	log.SetLevel(log.DebugLevel)
	doMain([]string{"-log-level", "panic"})
	log.Debugln("Should not show")
	doMain([]string{"-debug"})
	log.Debugln("Should show")
	doMain([]string{"-info"})
	log.Debugln("Should also not show")

	logdata := buf.String()
	assert.Contains(t, logdata, "Should show")
	assert.NotContains(t, logdata, "Should not show")
	assert.NotContains(t, logdata, "Should also not show")

	doMain([]string{"-log-modules", "main_test,MyModule"})
	log.Errorln("Module filter should show main_test")
	log.PushModule("MyModule")
	log.Errorln("Module filter should show MyModule")
	log.PushModule("MyOtherModule")
	log.Errorln("Module filter should not show MyOtherModule")
	log.PopModule()
	log.PopModule()

	assert.True(t, strings.Index(buf.String(),
		"Module filter should show main_test") >= 0)
	assert.True(t, strings.Index(buf.String(),
		"Module filter should show MyModule") >= 0)
	assert.True(t, strings.Index(buf.String(),
		"Module filter should not show MyOtherModule") < 0)

	defer os.Remove("test.log")
	doMain([]string{"-log-file", "test.log"})
	log.Errorln("Should be in log file")
	fd, err := os.Open("test.log")
	assert.NoError(t, err)

	var bytebuf [4096]byte
	n, err := fd.Read(bytebuf[:])
	assert.True(t, err == nil)
	assert.True(t, strings.Index(string(bytebuf[0:n]),
		"Should be in log file") >= 0)

	err = doMain([]string{"-no-syslog"})
	// Just check that the flag can be specified.
	assert.True(t, err != nil)
	assert.True(t, strings.Index(err.Error(), "syslog") < 0)
}
コード例 #5
0
ファイル: main.go プロジェクト: maciejmrowiec/mender
func main() {
	if err := doMain(os.Args[1:]); err != nil && err != flag.ErrHelp {
		log.Errorln(err.Error())
		os.Exit(1)
	}
}