// Run retrieves the debug log via the API.
func (c *debugLogCommand) Run(ctx *cmd.Context) (err error) {
if c.tail {
c.params.NoTail = false
} else if c.notail {
c.params.NoTail = true
} else {
// Set the default tail option to true if the caller is
// using a terminal.
c.params.NoTail = !isTerminal(ctx.Stdout)
}
client, err := getDebugLogAPI(c)
if err != nil {
return err
}
defer client.Close()
messages, err := client.WatchDebugLog(c.params)
if err != nil {
return err
}
writer := ansiterm.NewWriter(ctx.Stdout)
if c.color {
writer.SetColorCapable(true)
}
for {
msg, ok := <-messages
if !ok {
break
}
c.writeLogRecord(writer, msg)
}
return nil
}
// NewColorWriter will write out colored severity levels if the writer is
// outputting to a terminal.
func NewWarningWriter(writer io.Writer) loggo.Writer {
w := &warningWriter{ansiterm.NewWriter(writer)}
return loggo.NewMinimumLevelWriter(w, loggo.WARNING)
}
// NewColorWriter will write out colored severity levels if the writer is
// outputting to a terminal.
func NewColorWriter(writer io.Writer) Writer {
return &colorWriter{ansiterm.NewWriter(writer)}
}