Issue #376 Fix colored log output for windows

This issue comes from logrus, see sirupsen/logrus#379
but as a workaround as mentioned in the above issue we can use the `go-colorable`
package's writer.

Author: anjannath

go.mod

@@ -11,6 +11,7 @@ require (
 	github.com/docker/go-units v0.4.0
 	github.com/inconshreveable/mousetrap v1.0.0 // indirect
 	github.com/kardianos/osext v0.0.0-20190222173326-2bc1f35cddc0
+	github.com/mattn/go-colorable v0.0.9
 	github.com/pborman/uuid v1.2.0
 	github.com/pkg/errors v0.8.1
 	github.com/sirupsen/logrus v1.4.1

pkg/crc/logging/stderr_hook.go

@@ -3,7 +3,9 @@ package logging
 import (
 	"io"
 	"os"
+	"runtime"
 
+	"github.com/mattn/go-colorable"
 	"github.com/sirupsen/logrus"
 )
 
@@ -15,6 +17,14 @@ type stdErrHook struct {
 }
 
 func newstdErrHook(level logrus.Level, formatter logrus.Formatter) *stdErrHook {
+	// For windows to display colors we need to use the go-colorable writer
+	if runtime.GOOS == "windows" {
+		return &stdErrHook{
+			stderr:    colorable.NewColorableStderr(),
+			formatter: formatter,
+			level:     level,
+		}
+	}
 	return &stdErrHook{
 		stderr:    os.Stderr,
 		formatter: formatter,

pkg/crc/logging/stdout_hook.go

@@ -3,7 +3,9 @@ package logging
 import (
 	"io"
 	"os"
+	"runtime"
 
+	"github.com/mattn/go-colorable"
 	"github.com/sirupsen/logrus"
 )
 
@@ -15,6 +17,14 @@ type stdOutHook struct {
 }
 
 func newstdOutHook(level logrus.Level, formatter logrus.Formatter) *stdOutHook {
+	// For windows to display colors we need to use the go-colorable writer
+	if runtime.GOOS == "windows" {
+		return &stdOutHook{
+			stdout:    colorable.NewColorableStdout(),
+			formatter: formatter,
+			level:     level,
+		}
+	}
 	return &stdOutHook{
 		stdout:    os.Stdout,
 		formatter: formatter,

vendor/modules.txt

@@ -11,6 +11,7 @@ github.com/code-ready/clicumber/testsuite
 github.com/code-ready/clicumber/util
 # github.com/code-ready/goodhosts v0.0.0-20190712111040-f090f3f77c26
 github.com/code-ready/goodhosts
+# github.com/code-ready/machine v0.0.0-20190731093717-b6d974ad44d0
 github.com/code-ready/machine/libmachine/state
 github.com/code-ready/machine/libmachine/drivers
 github.com/code-ready/machine/libmachine