import (
"bufio"
"flag"
+ "fmt"
"io"
"log"
"os"
"syscall"
"time"
- "git.curoverse.com/arvados.git/lib/crunchstat"
+ "git.arvados.org/arvados.git/lib/crunchstat"
)
const MaxLogLine = 1 << 14 // Child stderr lines >16KiB will be split
var (
signalOnDeadPPID int = 15
ppidCheckInterval = time.Second
+ version = "dev"
)
func main() {
flag.IntVar(&signalOnDeadPPID, "signal-on-dead-ppid", signalOnDeadPPID, "Signal to send child if crunchstat's parent process disappears (0 to disable)")
flag.DurationVar(&ppidCheckInterval, "ppid-check-interval", ppidCheckInterval, "Time between checks for parent process disappearance")
pollMsec := flag.Int64("poll", 1000, "Reporting interval, in milliseconds")
+ getVersion := flag.Bool("version", false, "Print version information and exit.")
flag.Parse()
+ // Print version information if requested
+ if *getVersion {
+ fmt.Printf("crunchstat %s\n", version)
+ return
+ }
+
+ reporter.Logger.Printf("crunchstat %s started", version)
+
if reporter.CgroupRoot == "" {
reporter.Logger.Fatal("error: must provide -cgroup-root")
} else if signalOnDeadPPID < 0 {
}
// Funnel stderr through our channel
- stderr_pipe, err := cmd.StderrPipe()
+ stderrPipe, err := cmd.StderrPipe()
if err != nil {
logger.Fatalln("error in StderrPipe:", err)
}
os.Stdin.Close()
os.Stdout.Close()
- copyPipeToChildLog(stderr_pipe, log.New(os.Stderr, "", 0))
+ copyPipeToChildLog(stderrPipe, log.New(os.Stderr, "", 0))
return cmd.Wait()
}