func initLogs(ctx *cli.Context) {
logger := log.StandardLogger()
if ctx.GlobalBool("verbose") {
logger.Level = log.DebugLevel
}
var (
isTerm = log.IsTerminal()
json = ctx.GlobalBool("json")
useColors = isTerm && !json
)
if ctx.GlobalIsSet("colors") {
useColors = ctx.GlobalBool("colors")
}
color.NoColor = !useColors
if json {
logger.Formatter = &log.JSONFormatter{}
} else {
formatter := &textformatter.TextFormatter{}
formatter.DisableColors = !useColors
logger.Formatter = formatter
}
}
func (f *LogFormatter) Format(entry *logrus.Entry) ([]byte, error) {
b := &bytes.Buffer{}
// Start by printing the time
now := time.Now()
fmt.Fprintf(b, "%s ", now.Format("2006-01-02 15:04:05"))
// Upper case the log level
levelText := strings.ToUpper(entry.Data["level"].(string))
// Print the log level, but toggle the color
if logrus.IsTerminal() {
levelColor := green
if entry.Data["level"] == "debug" {
levelColor = blue
} else if entry.Data["level"] == "warning" {
levelColor = yellow
} else if entry.Data["level"] == "error" || entry.Data["level"] == "fatal" || entry.Data["level"] == "panic" {
levelColor = red
}
fmt.Fprintf(b, "\x1b[%dm[%-5s]\x1b[0m ", levelColor, levelText)
} else {
fmt.Fprintf(b, "[%-5s] ", levelText)
}
// Now print the message
fmt.Fprintf(b, "%s ", entry.Data["msg"])
// Print any extra data. By default, the data map has 3
// elements.
if len(entry.Data) > 3 {
keys := make([]string, 0)
for key, value := range entry.Data {
if key != "time" && key != "level" && key != "msg" {
if _, ok := value.(string); ok {
keys = append(keys, fmt.Sprintf("%v: %s", key, value))
} else {
keys = append(keys, fmt.Sprintf("%v: %v", key, value))
}
}
}
fmt.Fprintf(b, "(%s)", strings.Join(keys, " "))
}
b.WriteByte('\n')
return b.Bytes(), nil
}
func main() {
flag.BoolVar(&debug, "debug", false, "")
flag.StringVar(&pathToConfig, "c", "", "")
flag.Usage = func() {
fmt.Println(usage)
os.Exit(0)
}
flag.Parse()
if log.IsTerminal() {
log.SetFormatter(&log.TextFormatter{
FullTimestamp: true,
TimestampFormat: "2006-01-02 15:04:05 MST",
})
} else {
log.SetFormatter(&log.JSONFormatter{
TimestampFormat: "2006-01-02 15:04:05 MST",
})
}
config, err := common.ReadConfig(pathToConfig)
if err != nil {
log.Fatalf("Error reading configuration file: %v", err)
}
if debug {
log.SetLevel(log.DebugLevel)
} else {
log.SetLevel(config.LogLevel())
}
app := app.New(config)
if debug {
app.SetDebugMode()
}
app.Run()
}
func initLogs(ctx *cli.Context) {
logger := log.StandardLogger()
if ctx.GlobalBool("verbose") {
logger.Level = log.DebugLevel
} else if ctx.Bool("print") && ctx.GlobalString("log") == "" {
logger.Level = log.ErrorLevel
}
var (
err error
isTerm = log.IsTerminal()
logFile = ctx.GlobalString("log")
logExt = path.Ext(logFile)
json = ctx.GlobalBool("json") || logExt == ".json"
useColors = isTerm && !json && logFile == ""
)
if ctx.GlobalIsSet("colors") {
useColors = ctx.GlobalBool("colors")
}
if logFile != "" {
if logFile, err = toAbsolutePath(logFile, false); err != nil {
log.Fatal(err)
}
if logger.Out, err = os.OpenFile(logFile, os.O_WRONLY|os.O_CREATE|os.O_APPEND, 0644); err != nil {
log.Fatalf("Initializing log: Cannot initialize log file %s due to error %s", logFile, err)
}
log.Debugf("Initializing log: Successfuly started loggin to '%s'", logFile)
}
if json {
logger.Formatter = &log.JSONFormatter{}
} else {
formatter := &textformatter.TextFormatter{}
formatter.DisableColors = !useColors
logger.Formatter = formatter
}
}
func init() {
baseTimestamp = time.Now()
isTerminal = logrus.IsTerminal()
}
func startDaemon() {
var out io.Writer = os.Stdout
if !log.IsTerminal() {
logFile, logFileErr := util.LogFile("rexray.log")
failOnError(logFileErr)
out = io.MultiWriter(os.Stdout, logFile)
}
log.SetOutput(out)
fmt.Fprintf(out, "%s\n", rexRayLogoASCII)
util.PrintVersion(out)
fmt.Fprintln(out)
var success []byte
var failure []byte
var conn net.Conn
if !fg {
success = []byte{0}
failure = []byte{1}
var dialErr error
log.Printf("dialing %s", client)
conn, dialErr = net.Dial("unix", client)
if dialErr != nil {
panic(dialErr)
}
}
writePidErr := util.WritePidFile(-1)
if writePidErr != nil {
if conn != nil {
conn.Write(failure)
}
panic(writePidErr)
}
defer func() {
r := recover()
os.Remove(util.PidFilePath())
if r != nil {
panic(r)
}
}()
log.Printf("created pid file, pid=%d", os.Getpid())
init := make(chan error)
sigc := make(chan os.Signal, 1)
stop := make(chan os.Signal)
signal.Notify(sigc,
syscall.SIGKILL,
syscall.SIGHUP,
syscall.SIGINT,
syscall.SIGTERM,
syscall.SIGQUIT)
go func() {
rrdaemon.Start(r.Config.Host, init, stop)
}()
var initErrors []error
for initErr := range init {
initErrors = append(initErrors, initErr)
log.Println(initErr)
}
if conn != nil {
if len(initErrors) == 0 {
conn.Write(success)
} else {
conn.Write(failure)
}
conn.Close()
}
if len(initErrors) > 0 {
return
}
sigv := <-sigc
log.Printf("received shutdown signal %v", sigv)
stop <- sigv
}
func init() {
isTerminal = logrus.IsTerminal()
}
func IsTerminal() bool {
return logrus.IsTerminal()
}
*/
package build
import (
"bytes"
"fmt"
log "github.com/Sirupsen/logrus"
"runtime"
)
type containerFormatter struct {
isColored bool
}
var isTerminal = log.IsTerminal()
// NewColoredContainerFormatter Returns Formatter that makes your messages outputed without any log-related data.
// Also, this formatter will make all messages colored (RED for now).
// Usefull when you want all stderr messages from container to become more noticible
func NewColoredContainerFormatter() log.Formatter {
return &containerFormatter{
isColored: true,
}
}
// NewMonochromeContainerFormatter Returns Formatter that makes your messages outputed without any log-related data.
func NewMonochromeContainerFormatter() log.Formatter {
return &containerFormatter{
isColored: false,
}
func isTerminal() bool {
return log.IsTerminal()
}
package log
import (
"bytes"
"fmt"
"runtime"
"time"
"github.com/Sirupsen/logrus"
"github.com/mgutz/ansi"
)
var isTerminal = logrus.IsTerminal()
// PrettyFormatter is a formatter that meets the logrus.Formatter interface
type PrettyFormatter struct{}
// Format formats a logrus.Entry into an array of bytes
func (f *PrettyFormatter) Format(entry *logrus.Entry) ([]byte, error) {
b := &bytes.Buffer{}
isColored := isTerminal && (runtime.GOOS != "windows")
if isColored {
printColored(b, entry)
} else {
printUncolored(b, entry)
}
b.WriteByte('\n')
return b.Bytes(), nil
}
func getLevelString(level logrus.Level) string {
