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Colourize the log file output

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This commit is contained in:
Chris Cummer 2018-06-16 14:18:13 -07:00
parent 09a4139922
commit 8278d6f54b
2 changed files with 31 additions and 11 deletions
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40
logging/log.go
View File

@ -54,11 +54,31 @@ func (widget *Widget) Refresh() {
widget.UpdateRefreshedAt() widget.UpdateRefreshedAt()
widget.View.SetTitle(fmt.Sprintf("%s", widget.Name)) widget.View.SetTitle(fmt.Sprintf("%s", widget.Name))
widget.View.SetText(fmt.Sprintf("%s", widget.tailFile())) logLines := widget.tailFile()
widget.View.SetText(fmt.Sprintf("%s", widget.contentFrom(logLines)))
} }
/* -------------------- Unexported Functions -------------------- */ /* -------------------- Unexported Functions -------------------- */
func (widget *Widget) contentFrom(logLines []string) string {
str := ""
for _, line := range logLines {
chunks := strings.Split(line, " ")
if len(chunks) >= 4 {
str = str + fmt.Sprintf(
"[green]%s[white] [yellow]%s[white] %s\n",
chunks[0],
chunks[1],
strings.Join(chunks[3:], " "),
)
}
}
return str
}
func logFileMissing() bool { func logFileMissing() bool {
return logFilePath() == "" return logFilePath() == ""
} }
@ -72,16 +92,16 @@ func logFilePath() string {
return filepath.Join(dir, ".wtf", "log.txt") return filepath.Join(dir, ".wtf", "log.txt")
} }
func (widget *Widget) tailFile() string { func (widget *Widget) tailFile() []string {
file, err := os.Open(widget.filePath) file, err := os.Open(widget.filePath)
if err != nil { if err != nil {
return "" return []string{}
} }
defer file.Close() defer file.Close()
stat, err := file.Stat() stat, err := file.Stat()
if err != nil { if err != nil {
return "" return []string{}
} }
bufferSize := maxBufferSize bufferSize := maxBufferSize
@ -94,17 +114,17 @@ func (widget *Widget) tailFile() string {
buff := make([]byte, bufferSize) buff := make([]byte, bufferSize)
_, err = file.ReadAt(buff, startPos) _, err = file.ReadAt(buff, startPos)
if err != nil { if err != nil {
return "" return []string{}
} }
dataArr := strings.Split(string(buff), "\n") logLines := strings.Split(string(buff), "\n")
// Reverse the array of lines // Reverse the array of lines
// Offset by two to account for the blank line at the end // Offset by two to account for the blank line at the end
last := len(dataArr) - 2 last := len(logLines) - 2
for i := 0; i < len(dataArr)/2; i++ { for i := 0; i < len(logLines)/2; i++ {
dataArr[i], dataArr[last-i] = dataArr[last-i], dataArr[i] logLines[i], logLines[last-i] = logLines[last-i], logLines[i]
} }
return fmt.Sprintf("%s\n", strings.Join(dataArr, "\n")) return logLines
} }

2
newrelic/widget.go
View File

@ -64,7 +64,7 @@ func (widget *Widget) contentFrom(deploys []nr.ApplicationDeployment) string {
lineColor = "lightblue" lineColor = "lightblue"
} }
var revLen = 8 revLen := 8
if revLen > len(deploy.Revision) { if revLen > len(deploy.Revision) {
revLen = len(deploy.Revision) revLen = len(deploy.Revision)
} }