+// Copyright (C) The Arvados Authors. All rights reserved.
+//
+// SPDX-License-Identifier: AGPL-3.0
+
package main
// Dispatcher service for Crunch that runs containers locally.
import (
+ "context"
"flag"
- "git.curoverse.com/arvados.git/sdk/go/arvados"
- "git.curoverse.com/arvados.git/sdk/go/arvadosclient"
- "git.curoverse.com/arvados.git/sdk/go/dispatch"
+ "fmt"
"log"
"os"
"os/exec"
"sync"
"syscall"
"time"
+
+ "git.curoverse.com/arvados.git/sdk/go/arvados"
+ "git.curoverse.com/arvados.git/sdk/go/arvadosclient"
+ "git.curoverse.com/arvados.git/sdk/go/dispatch"
)
+var version = "dev"
+
func main() {
err := doMain()
if err != nil {
"/usr/bin/crunch-run",
"Crunch command to run container")
+ getVersion := flags.Bool(
+ "version",
+ false,
+ "Print version information and exit.")
+
// Parse args; omit the first arg which is the command name
flags.Parse(os.Args[1:])
+ // Print version information if requested
+ if *getVersion {
+ fmt.Printf("crunch-dispatch-local %s\n", version)
+ return nil
+ }
+
+ log.Printf("crunch-dispatch-local %s started", version)
+
runningCmds = make(map[string]*exec.Cmd)
arv, err := arvadosclient.MakeArvadosClient()
PollPeriod: time.Duration(*pollInterval) * time.Second,
}
- err = dispatcher.Run()
+ ctx, cancel := context.WithCancel(context.Background())
+ err = dispatcher.Run(ctx)
if err != nil {
return err
}
log.Printf("Received %s, shutting down", sig)
signal.Stop(c)
- dispatcher.Stop()
+ cancel()
runningCmdsMutex.Lock()
// Finished dispatching; interrupt any crunch jobs that are still running
// crunch-run terminates, mark the container as Cancelled.
func run(dispatcher *dispatch.Dispatcher,
container arvados.Container,
- status chan arvados.Container) {
+ status <-chan arvados.Container) {
uuid := container.UUID
if err != nil {
log.Printf("Error getting final container state: %v", err)
}
- if container.LockedByUUID == dispatcher.Auth.UUID &&
- (container.State == dispatch.Locked || container.State == dispatch.Running) {
+ if container.State == dispatch.Locked || container.State == dispatch.Running {
log.Printf("After %s process termination, container state for %v is %q. Updating it to %q",
*crunchRunCommand, container.State, uuid, dispatch.Cancelled)
dispatcher.UpdateState(uuid, dispatch.Cancelled)