From 7dae3e3de3ac9160607a98109d6339eead7a86b0 Mon Sep 17 00:00:00 2001
From: Alexandr Morozov <lk4d4@docker.com>
Date: Fri, 24 Oct 2014 13:47:52 -0700
Subject: [PATCH] Remove pkg/log

Signed-off-by: Alexandr Morozov <lk4d4@docker.com>
---
 log/log.go      | 123 ------------------------------------------------
 log/log_test.go |  39 ---------------
 2 files changed, 162 deletions(-)
 delete mode 100644 log/log.go
 delete mode 100644 log/log_test.go

diff --git a/log/log.go b/log/log.go
deleted file mode 100644
index d636f76..0000000
--- a/log/log.go
+++ /dev/null
@@ -1,123 +0,0 @@
-package log
-
-import (
-	"fmt"
-	"io"
-	"os"
-	"runtime"
-	"strings"
-	"time"
-
-	log "github.com/Sirupsen/logrus"
-	"github.com/docker/docker/pkg/timeutils"
-)
-
-func init() {
-	log.SetOutput(os.Stderr)
-	log.SetLevel(log.InfoLevel)
-	if os.Getenv("DEBUG") != "" {
-		log.SetLevel(log.DebugLevel)
-	}
-}
-
-type priority int
-
-const (
-	errorFormat = "[%s] [%s] %s:%d %s\n"
-	logFormat   = "[%s] [%s] %s\n"
-
-	fatalPriority priority = iota
-	errorPriority
-	infoPriority
-	debugPriority
-)
-
-// A common interface to access the Fatal method of
-// both testing.B and testing.T.
-type Fataler interface {
-	Fatal(args ...interface{})
-}
-
-func (p priority) String() string {
-	switch p {
-	case fatalPriority:
-		return "fatal"
-	case errorPriority:
-		return "error"
-	case infoPriority:
-		return "info"
-	case debugPriority:
-		return "debug"
-	}
-
-	return ""
-}
-
-var DefaultLogger = Logger{Out: os.Stdout, Err: os.Stderr}
-
-// Debug function, if the debug flag is set, then display. Do nothing otherwise
-// If Docker is in damon mode, also send the debug info on the socket
-func Debugf(format string, a ...interface{}) (int, error) {
-	return DefaultLogger.Debugf(format, a...)
-}
-
-func Infof(format string, a ...interface{}) (int, error) {
-	return DefaultLogger.Infof(format, a...)
-}
-
-func Errorf(format string, a ...interface{}) (int, error) {
-	return DefaultLogger.Errorf(format, a...)
-}
-
-func Fatal(a ...interface{}) {
-	DefaultLogger.Fatalf("%s", a...)
-}
-
-func Fatalf(format string, a ...interface{}) {
-	DefaultLogger.Fatalf(format, a...)
-}
-
-type Logger struct {
-	Err io.Writer
-	Out io.Writer
-}
-
-func (l Logger) Debugf(format string, a ...interface{}) (int, error) {
-	if os.Getenv("DEBUG") != "" {
-		return l.logf(l.Err, debugPriority, format, a...)
-	}
-	return 0, nil
-}
-
-func (l Logger) Infof(format string, a ...interface{}) (int, error) {
-	return l.logf(l.Out, infoPriority, format, a...)
-}
-
-func (l Logger) Errorf(format string, a ...interface{}) (int, error) {
-	return l.logf(l.Err, errorPriority, format, a...)
-}
-
-func (l Logger) Fatalf(format string, a ...interface{}) {
-	l.logf(l.Err, fatalPriority, format, a...)
-	os.Exit(1)
-}
-
-func (l Logger) logf(stream io.Writer, level priority, format string, a ...interface{}) (int, error) {
-	var prefix string
-
-	if level <= errorPriority || level == debugPriority {
-		// Retrieve the stack infos
-		_, file, line, ok := runtime.Caller(2)
-		if !ok {
-			file = "<unknown>"
-			line = -1
-		} else {
-			file = file[strings.LastIndex(file, "/")+1:]
-		}
-		prefix = fmt.Sprintf(errorFormat, time.Now().Format(timeutils.RFC3339NanoFixed), level.String(), file, line, format)
-	} else {
-		prefix = fmt.Sprintf(logFormat, time.Now().Format(timeutils.RFC3339NanoFixed), level.String(), format)
-	}
-
-	return fmt.Fprintf(stream, prefix, a...)
-}
diff --git a/log/log_test.go b/log/log_test.go
deleted file mode 100644
index 4f5b3f8..0000000
--- a/log/log_test.go
+++ /dev/null
@@ -1,39 +0,0 @@
-package log
-
-import (
-	"bytes"
-	"regexp"
-
-	"testing"
-)
-
-var reRFC3339NanoFixed = "[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}.[0-9]{9}.([0-9]{2}:[0-9]{2})?"
-
-func TestLogFatalf(t *testing.T) {
-	var output *bytes.Buffer
-
-	tests := []struct {
-		Level           priority
-		Format          string
-		Values          []interface{}
-		ExpectedPattern string
-	}{
-		{fatalPriority, "%d + %d = %d", []interface{}{1, 1, 2}, "\\[" + reRFC3339NanoFixed + "\\] \\[fatal\\] testing.go:\\d+ 1 \\+ 1 = 2"},
-		{errorPriority, "%d + %d = %d", []interface{}{1, 1, 2}, "\\[" + reRFC3339NanoFixed + "\\] \\[error\\] testing.go:\\d+ 1 \\+ 1 = 2"},
-		{infoPriority, "%d + %d = %d", []interface{}{1, 1, 2}, "\\[" + reRFC3339NanoFixed + "\\] \\[info\\] 1 \\+ 1 = 2"},
-		{debugPriority, "%d + %d = %d", []interface{}{1, 1, 2}, "\\[" + reRFC3339NanoFixed + "\\] \\[debug\\] testing.go:\\d+ 1 \\+ 1 = 2"},
-	}
-
-	for i, test := range tests {
-		output = &bytes.Buffer{}
-		DefaultLogger.logf(output, test.Level, test.Format, test.Values...)
-
-		expected := regexp.MustCompile(test.ExpectedPattern)
-		if !expected.MatchString(output.String()) {
-			t.Errorf("[%d] Log output does not match expected pattern:\n\tExpected: %s\n\tOutput: %s",
-				i,
-				expected.String(),
-				output.String())
-		}
-	}
-}