act/pkg/runner/logger.go

123 lines
2.7 KiB
Go

package runner
import (
"bytes"
"context"
"fmt"
"io"
"os"
"strings"
"sync"
"github.com/nektos/act/pkg/common"
"github.com/sirupsen/logrus"
"golang.org/x/crypto/ssh/terminal"
)
const (
//nocolor = 0
red = 31
green = 32
yellow = 33
blue = 34
magenta = 35
cyan = 36
gray = 37
)
var colors []int
var nextColor int
var mux sync.Mutex
func init() {
nextColor = 0
colors = []int{
blue, yellow, green, magenta, red, gray, cyan,
}
}
// WithJobLogger attaches a new logger to context that is aware of steps
func WithJobLogger(ctx context.Context, jobName string) context.Context {
mux.Lock()
defer mux.Unlock()
formatter := new(stepLogFormatter)
formatter.color = colors[nextColor%len(colors)]
nextColor++
logger := logrus.New()
logger.SetFormatter(formatter)
logger.SetOutput(os.Stdout)
logger.SetLevel(logrus.GetLevel())
rtn := logger.WithFields(logrus.Fields{"job": jobName, "dryrun": common.Dryrun(ctx)})
return common.WithLogger(ctx, rtn)
}
type stepLogFormatter struct {
color int
}
func (f *stepLogFormatter) Format(entry *logrus.Entry) ([]byte, error) {
b := &bytes.Buffer{}
if f.isColored(entry) {
f.printColored(b, entry)
} else {
f.print(b, entry)
}
b.WriteByte('\n')
return b.Bytes(), nil
}
func (f *stepLogFormatter) printColored(b *bytes.Buffer, entry *logrus.Entry) {
entry.Message = strings.TrimSuffix(entry.Message, "\n")
jobName := entry.Data["job"]
if entry.Data["raw_output"] == true {
fmt.Fprintf(b, "\x1b[%dm|\x1b[0m %s", f.color, entry.Message)
} else if entry.Data["dryrun"] == true {
fmt.Fprintf(b, "\x1b[1m\x1b[%dm\x1b[7m*DRYRUN*\x1b[0m \x1b[%dm[%s] \x1b[0m%s", gray, f.color, jobName, entry.Message)
} else {
fmt.Fprintf(b, "\x1b[%dm[%s] \x1b[0m%s", f.color, jobName, entry.Message)
}
}
func (f *stepLogFormatter) print(b *bytes.Buffer, entry *logrus.Entry) {
entry.Message = strings.TrimSuffix(entry.Message, "\n")
jobName := entry.Data["job"]
if entry.Data["raw_output"] == true {
fmt.Fprintf(b, "[%s] | %s", jobName, entry.Message)
} else if entry.Data["dryrun"] == true {
fmt.Fprintf(b, "*DRYRUN* [%s] %s", jobName, entry.Message)
} else {
fmt.Fprintf(b, "[%s] %s", jobName, entry.Message)
}
}
func (f *stepLogFormatter) isColored(entry *logrus.Entry) bool {
isColored := checkIfTerminal(entry.Logger.Out)
if force, ok := os.LookupEnv("CLICOLOR_FORCE"); ok && force != "0" {
isColored = true
} else if ok && force == "0" {
isColored = false
} else if os.Getenv("CLICOLOR") == "0" {
isColored = false
}
return isColored
}
func checkIfTerminal(w io.Writer) bool {
switch v := w.(type) {
case *os.File:
return terminal.IsTerminal(int(v.Fd()))
default:
return false
}
}