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_jobs(conn *scrapinghub.Connection, args []string, flags *PFlags) {
if len(args) < 1 {
log.Fatalf("Missing argument: <project_id>\n")
}
project_id := args[0]
filters := equality_list_to_map(args[1:])
count := flags.Count
offset := flags.Offset
if flags.AsJsonLines {
ls := scrapinghub.LinesStream{Conn: conn, Count: count, Offset: offset}
ch_jobs, errch := ls.JobsAsJsonLines(project_id, filters)
for line := range ch_jobs {
fmt.Println(line)
}
for err := range errch {
log.Fatalf("jobs error: %s\n", err)
}
} else {
var jobs scrapinghub.Jobs
jobs_list, err := jobs.List(conn, project_id, count, filters)
if err != nil {
log.Fatalf("jobs error: %s", err)
}
outfmt := "| %10s | %25s | %12s | %10s | %10s | %10s | %20s |\n"
print_out(flags, outfmt, "id", "spider", "state", "items", "errors", "log lines", "started_time")
print_out(flags, dashes(106))
for _, j := range jobs_list.Jobs {
print_out(flags, "| %10s | %25s | %12s | %10d | %10d | %10d | %20s |\n", j.Id, j.Spider, j.State,
j.ItemsScraped, j.ErrorsCount, j.Logs, j.StartedTime)
}
}
}
func cmd_items(conn *scrapinghub.Connection, args []string, flags *PFlags) {
if len(args) < 1 {
log.Fatalf("Missing argument: <job_id>\n")
}
job_id := args[0]
count := flags.Count
offset := flags.Offset
ls := scrapinghub.LinesStream{Conn: conn, Count: count, Offset: offset}
if flags.AsJsonLines {
ch_lines, errch := ls.ItemsAsJsonLines(job_id)
for line := range ch_lines {
print_out(flags, line)
}
for err := range errch {
log.Fatalf("items error: %s\n", err)
}
} else if flags.AsCSV {
ch_lines, errch := ls.ItemsAsCSV(job_id, flags.CSVFlags.IncludeHeaders, flags.CSVFlags.Fields)
for line := range ch_lines {
print_out(flags, line)
}
for err := range errch {
log.Fatalf("items error: %s\n", err)
}
} else {
items, err := scrapinghub.RetrieveItems(conn, job_id, count, offset)
if err != nil {
log.Fatalf("items error: %s\n", err)
}
for i, e := range items {
print_out(flags, "Item %5d %s\n", i, dashes(129))
for k, v := range e {
//fmt.Printf("| %-33s | %100s |\n", k, fmt.Sprintf("%v", v))
print_out(flags, "| %-33s | %100s |\n", k, fmt.Sprintf("%v", v))
}
print_out(flags, dashes(140))
}
}
}
func cmd_log(conn *scrapinghub.Connection, args []string, flags *PFlags) {
if len(args) < 1 {
log.Fatalf("Missing argument: <job_id>\n")
}
job_id := args[0]
count := flags.Count
offset := flags.Offset
if flags.Tailing {
log_tailing(conn, job_id)
} else {
ls := scrapinghub.LinesStream{Conn: conn, Count: count, Offset: offset}
ch_lines, ch_err := ls.LogLines(job_id)
for line := range ch_lines {
print_out(flags, line)
}
for err := range ch_err {
log.Fatalf("log error: %s\n", err)
}
}
}
