func logSetup() {
level, err := log.LevelInt(*f_loglevel)
if err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
color := true
if runtime.GOOS == "windows" {
color = false
}
if *f_log {
log.AddLogger("stdio", os.Stderr, level, color)
}
if *f_logfile != "" {
err := os.MkdirAll(filepath.Dir(*f_logfile), 0755)
if err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
logfile, err := os.OpenFile(*f_logfile, os.O_WRONLY|os.O_APPEND|os.O_CREATE, 0660)
if err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
log.AddLogger("file", logfile, level, false)
}
}
func cliLogFile(c *minicli.Command) *minicli.Response {
resp := &minicli.Response{Host: hostname}
if len(c.StringArgs) == 0 {
// Print true or false depending on whether file is enabled
if logFile != nil {
resp.Response = logFile.Name()
}
} else {
var err error
// Enable logging to file if it's not already enabled
level, _ := log.LevelInt(*f_loglevel)
if logFile != nil {
if err = stopFileLogger(); err != nil {
resp.Error = err.Error()
return resp
}
}
flags := os.O_WRONLY | os.O_APPEND | os.O_CREATE
logFile, err = os.OpenFile(c.StringArgs["file"], flags, 0660)
if err != nil {
resp.Error = err.Error()
} else {
log.AddLogger("file", logFile, level, false)
}
}
return resp
}
func cliLogStderr(c *minicli.Command) *minicli.Response {
resp := &minicli.Response{Host: hostname}
if c.BoolArgs["false"] {
// Turn off logging to stderr
log.DelLogger("stdio")
} else if len(c.BoolArgs) == 0 {
// Print true or false depending on whether stderr is enabled
_, err := log.GetLevel("stdio")
resp.Response = strconv.FormatBool(err == nil)
} else if c.BoolArgs["true"] {
// Enable stderr logging or adjust the level if already enabled
level, _ := log.LevelInt(*f_loglevel)
_, err := log.GetLevel("stdio")
if err != nil {
log.AddLogger("stdio", os.Stderr, level, true)
} else {
// TODO: Why do this? cliLogLevel updates stdio level whenever
// f_loglevel is changed.
log.SetLevel("stdio", level)
}
}
return resp
}
func cliLogFile(c *minicli.Command, resp *minicli.Response) error {
if len(c.StringArgs) == 0 {
// Print true or false depending on whether file is enabled
if logFile != nil {
resp.Response = logFile.Name()
}
return nil
}
// Enable logging to file if it's not already enabled
level, _ := log.LevelInt(*f_loglevel)
if logFile != nil {
if err := stopFileLogger(); err != nil {
return err
}
}
err := os.MkdirAll(filepath.Dir(c.StringArgs["file"]), 0755)
if err != nil {
return err
}
flags := os.O_WRONLY | os.O_APPEND | os.O_CREATE
logFile, err = os.OpenFile(c.StringArgs["file"], flags, 0660)
if err != nil {
return err
}
log.AddLogger("file", logFile, level, false)
return nil
}
func cliLogSyslog(c *minicli.Command, resp *minicli.Response) error {
var network string
var address string
if c.BoolArgs["local"] {
network = "local"
} else {
address = c.StringArgs["address"]
if c.BoolArgs["tcp"] {
network = "tcp"
} else {
network = "udp"
}
}
level, _ := log.LevelInt(*f_loglevel)
return log.AddSyslog(network, address, "minimega", level)
}
func cliLogLevel(c *minicli.Command) *minicli.Response {
resp := &minicli.Response{Host: hostname}
if len(c.BoolArgs) == 0 {
// Print the level
resp.Response = *f_loglevel
} else {
// Bool args should only have a single key that is the log level
for k := range c.BoolArgs {
level, err := log.LevelInt(k)
if err != nil {
log.Fatalln("someone goofed on the patterns")
}
*f_loglevel = k
// forget the error, if they don't exist we shouldn't be setting
// their level, so we're fine.
log.SetLevel("stdio", level)
log.SetLevel("file", level)
}
}
return resp
}
func cliLogLevel(c *minicli.Command, resp *minicli.Response) error {
if len(c.BoolArgs) == 0 {
// Print the level
resp.Response = *f_loglevel
return nil
}
// Bool args should only have a single key that is the log level
for k := range c.BoolArgs {
level, err := log.LevelInt(k)
if err != nil {
return errors.New("unreachable")
}
*f_loglevel = k
// forget the error, if they don't exist we shouldn't be setting
// their level, so we're fine.
log.SetLevel("stdio", level)
log.SetLevel("file", level)
log.SetLevel("syslog", level)
}
return nil
}
func logSetup() {
level, err := log.LevelInt(*f_loglevel)
if err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
color := true
if runtime.GOOS == "windows" {
color = false
}
if *f_log {
log.AddLogger("stdio", os.Stderr, level, color)
}
if *f_logfile != "" {
err := os.MkdirAll(filepath.Dir(*f_logfile), 0755)
if err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
logfile, err := os.OpenFile(*f_logfile, os.O_WRONLY|os.O_APPEND|os.O_CREATE, 0660)
if err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
log.AddLogger("file", logfile, level, false)
}
// a special logger for pushing logs up to minimega
if *f_miniccc != "" && *f_u == "" {
var f tagLogger
log.AddLogger("taglogger", &f, level, false)
}
}