github.com/cloudfoundry/cli@v7.1.0+incompatible/util/ui/log_message.go (about)

     1  package ui
     2  
     3  import (
     4  	"fmt"
     5  	"strings"
     6  	"time"
     7  
     8  	"github.com/fatih/color"
     9  )
    10  
    11  // LogTimestampFormat is the timestamp formatting for log lines.
    12  const LogTimestampFormat = "2006-01-02T15:04:05.00-0700"
    13  
    14  //go:generate counterfeiter . LogMessage
    15  
    16  // LogMessage is a log response representing one to many joined lines of a log
    17  // message.
    18  type LogMessage interface {
    19  	Message() string
    20  	Type() string
    21  	Timestamp() time.Time
    22  	SourceType() string
    23  	SourceInstance() string
    24  }
    25  
    26  // DisplayLogMessage formats and outputs a given log message.
    27  func (ui *UI) DisplayLogMessage(message LogMessage, displayHeader bool) {
    28  	ui.terminalLock.Lock()
    29  	defer ui.terminalLock.Unlock()
    30  
    31  	var header string
    32  	if displayHeader {
    33  		time := message.Timestamp().In(ui.TimezoneLocation).Format(LogTimestampFormat)
    34  
    35  		header = fmt.Sprintf("%s [%s/%s] %s ",
    36  			time,
    37  			message.SourceType(),
    38  			message.SourceInstance(),
    39  			message.Type(),
    40  		)
    41  	}
    42  
    43  	for _, line := range strings.Split(message.Message(), "\n") {
    44  		logLine := fmt.Sprintf("%s%s", header, strings.TrimRight(line, "\r\n"))
    45  		if message.Type() == "ERR" {
    46  			logLine = ui.modifyColor(logLine, color.New(color.FgRed))
    47  		}
    48  		fmt.Fprintf(ui.Out, "   %s\n", logLine)
    49  	}
    50  }