func log_tailing(conn *scrapinghub.Connection, job_id string) {
var jobs scrapinghub.Jobs
jobinfo, err := jobs.JobInfo(conn, job_id)
if err != nil {
log.Fatalf("%s\n", err)
}
// Number of log lines in the job
offset := jobinfo.Logs
if offset > 0 {
offset -= 1 // start one line before
}
count := 10 // ask for this lines in every call
ls := scrapinghub.LinesStream{Conn: conn, Count: count, Offset: offset}
for {
retrieved := 0
ch_lines, ch_err := ls.LogLines(job_id)
for line := range ch_lines {
retrieved++
fmt.Fprintf(os.Stdout, "%s\n", line)
}
for err := range ch_err {
log.Fatalf("%s\n", err)
}
ls.Offset += retrieved
time.Sleep(time.Second)
}
}
func cmd_jobinfo(conn *scrapinghub.Connection, args []string, flags *PFlags) {
if len(args) < 1 {
log.Fatalf("Missing argument: <job_id>\n")
}
job_id := args[0]
var jobs scrapinghub.Jobs
jobinfo, err := jobs.JobInfo(conn, job_id)
if err != nil {
log.Fatalf("jobinfo error: %s\n", err)
} else {
outfmt := "| %-30s | %60s |\n"
print_out(flags, outfmt, "key", "value")
print_out(flags, dashes(97))
print_out(flags, outfmt, "id", jobinfo.Id)
print_out(flags, outfmt, "spider", jobinfo.Spider)
print_out(flags, outfmt, "spider_args", "")
for k, v := range jobinfo.SpiderArgs {
print_out(flags, outfmt, " ", fmt.Sprintf("%s = %s", k, v))
}
print_out(flags, outfmt, "spider_type", jobinfo.SpiderType)
print_out(flags, outfmt, "state", jobinfo.State)
print_out(flags, outfmt, "close_reason", jobinfo.CloseReason)
print_out(flags, dashes(97))
print_out(flags, outfmt, "responses_received", fmt.Sprintf("%d", jobinfo.ResponsesReceived))
print_out(flags, outfmt, "items_scraped", fmt.Sprintf("%d", jobinfo.ItemsScraped))
print_out(flags, outfmt, "errors_count", fmt.Sprintf("%d", jobinfo.ErrorsCount))
print_out(flags, outfmt, "logs", fmt.Sprintf("%d", jobinfo.Logs))
print_out(flags, dashes(97))
print_out(flags, outfmt, "started_time", jobinfo.StartedTime)
print_out(flags, outfmt, "updated_time", jobinfo.UpdatedTime)
print_out(flags, outfmt, "elapsed", fmt.Sprintf("%d", jobinfo.Elapsed))
print_out(flags, outfmt, "tags", " ")
for _, e := range jobinfo.Tags {
print_out(flags, outfmt, " ", e)
}
print_out(flags, outfmt, "priority", fmt.Sprintf("%d", jobinfo.Priority))
print_out(flags, outfmt, "version", jobinfo.Version)
print_out(flags, dashes(97))
}
}