// Dispatcher service for Crunch that submits containers to the slurm queue.
import (
+ "bytes"
"context"
"flag"
"fmt"
"git.curoverse.com/arvados.git/sdk/go/arvadosclient"
"git.curoverse.com/arvados.git/sdk/go/config"
"git.curoverse.com/arvados.git/sdk/go/dispatch"
+ "github.com/sirupsen/logrus"
"github.com/coreos/go-systemd/daemon"
)
+type logger interface {
+ dispatch.Logger
+ Fatalf(string, ...interface{})
+}
+
const initialNiceValue int64 = 10000
var (
type Dispatcher struct {
*dispatch.Dispatcher
+ logger logrus.FieldLogger
cluster *arvados.Cluster
sqCheck *SqueueChecker
slurm Slurm
// Minimum time between two attempts to run the same container
MinRetryPeriod arvados.Duration
+
+ // Batch size for container queries
+ BatchSize int64
}
func main() {
- disp := &Dispatcher{}
+ logger := logrus.StandardLogger()
+ if os.Getenv("DEBUG") != "" {
+ logger.SetLevel(logrus.DebugLevel)
+ }
+ logger.Formatter = &logrus.JSONFormatter{
+ TimestampFormat: "2006-01-02T15:04:05.000000000Z07:00",
+ }
+ disp := &Dispatcher{logger: logger}
err := disp.Run(os.Args[0], os.Args[1:])
if err != nil {
- log.Fatal(err)
+ logrus.Fatalf("%s", err)
}
}
return nil
}
- log.Printf("crunch-dispatch-slurm %s started", version)
+ disp.logger.Printf("crunch-dispatch-slurm %s started", version)
err := disp.readConfig(*configPath)
if err != nil {
os.Setenv("ARVADOS_KEEP_SERVICES", strings.Join(disp.Client.KeepServiceURIs, " "))
os.Setenv("ARVADOS_EXTERNAL_CLIENT", "")
} else {
- log.Printf("warning: Client credentials missing from config, so falling back on environment variables (deprecated).")
+ disp.logger.Warnf("Client credentials missing from config, so falling back on environment variables (deprecated).")
}
if *dumpConfig {
siteConfig, err := arvados.GetConfig(arvados.DefaultConfigFile)
if os.IsNotExist(err) {
- log.Printf("warning: no cluster config (%s), proceeding with no node types defined", err)
+ disp.logger.Warnf("no cluster config (%s), proceeding with no node types defined", err)
} else if err != nil {
return fmt.Errorf("error loading config: %s", err)
} else if disp.cluster, err = siteConfig.GetCluster(""); err != nil {
// setup() initializes private fields after configure().
func (disp *Dispatcher) setup() {
+ if disp.logger == nil {
+ disp.logger = logrus.StandardLogger()
+ }
arv, err := arvadosclient.MakeArvadosClient()
if err != nil {
- log.Fatalf("Error making Arvados client: %v", err)
+ disp.logger.Fatalf("Error making Arvados client: %v", err)
}
arv.Retries = 25
- disp.slurm = &slurmCLI{}
+ disp.slurm = NewSlurmCLI()
disp.sqCheck = &SqueueChecker{
+ Logger: disp.logger,
Period: time.Duration(disp.PollPeriod),
PrioritySpread: disp.PrioritySpread,
Slurm: disp.slurm,
}
disp.Dispatcher = &dispatch.Dispatcher{
Arv: arv,
+ Logger: disp.logger,
+ BatchSize: disp.BatchSize,
RunContainer: disp.runContainer,
PollPeriod: time.Duration(disp.PollPeriod),
MinRetryPeriod: time.Duration(disp.MinRetryPeriod),
defer disp.sqCheck.Stop()
if disp.cluster != nil && len(disp.cluster.InstanceTypes) > 0 {
- go dispatchcloud.SlurmNodeTypeFeatureKludge(disp.cluster)
+ go SlurmNodeTypeFeatureKludge(disp.cluster)
}
if _, err := daemon.SdNotify(false, "READY=1"); err != nil {
func (disp *Dispatcher) slurmConstraintArgs(container arvados.Container) []string {
mem := int64(math.Ceil(float64(container.RuntimeConstraints.RAM+container.RuntimeConstraints.KeepCacheRAM+disp.ReserveExtraRAM) / float64(1048576)))
- var disk int64
- for _, m := range container.Mounts {
- if m.Kind == "tmp" {
- disk += m.Capacity
- }
- }
+ disk := dispatchcloud.EstimateScratchSpace(&container)
disk = int64(math.Ceil(float64(disk) / float64(1048576)))
return []string{
fmt.Sprintf("--mem=%d", mem),
func (disp *Dispatcher) sbatchArgs(container arvados.Container) ([]string, error) {
var args []string
args = append(args, disp.SbatchArguments...)
- args = append(args, "--job-name="+container.UUID, fmt.Sprintf("--nice=%d", initialNiceValue))
+ args = append(args, "--job-name="+container.UUID, fmt.Sprintf("--nice=%d", initialNiceValue), "--no-requeue")
if disp.cluster == nil {
// no instance types configured
crArgs = append(crArgs, container.UUID)
crScript := strings.NewReader(execScript(crArgs))
- disp.sqCheck.L.Lock()
- defer disp.sqCheck.L.Unlock()
-
sbArgs, err := disp.sbatchArgs(container)
if err != nil {
return err
log.Printf("Submitting container %s to slurm", ctr.UUID)
if err := disp.submit(ctr, disp.CrunchRunCommand); err != nil {
var text string
- if err == dispatchcloud.ErrConstraintsNotSatisfiable {
- text = fmt.Sprintf("cannot run container %s: %s", ctr.UUID, err)
+ if err, ok := err.(dispatchcloud.ConstraintsNotSatisfiableError); ok {
+ var logBuf bytes.Buffer
+ fmt.Fprintf(&logBuf, "cannot run container %s: %s\n", ctr.UUID, err)
+ if len(err.AvailableTypes) == 0 {
+ fmt.Fprint(&logBuf, "No instance types are configured.\n")
+ } else {
+ fmt.Fprint(&logBuf, "Available instance types:\n")
+ for _, t := range err.AvailableTypes {
+ fmt.Fprintf(&logBuf,
+ "Type %q: %d VCPUs, %d RAM, %d Scratch, %f Price\n",
+ t.Name, t.VCPUs, t.RAM, t.Scratch, t.Price,
+ )
+ }
+ }
+ text = logBuf.String()
disp.UpdateState(ctr.UUID, dispatch.Cancelled)
} else {
text = fmt.Sprintf("Error submitting container %s to slurm: %s", ctr.UUID, err)
case <-ctx.Done():
// Disappeared from squeue
if err := disp.Arv.Get("containers", ctr.UUID, nil, &ctr); err != nil {
- log.Printf("Error getting final container state for %s: %s", ctr.UUID, err)
+ log.Printf("error getting final container state for %s: %s", ctr.UUID, err)
}
switch ctr.State {
case dispatch.Running:
}
}
func (disp *Dispatcher) scancel(ctr arvados.Container) {
- disp.sqCheck.L.Lock()
err := disp.slurm.Cancel(ctr.UUID)
- disp.sqCheck.L.Unlock()
-
if err != nil {
log.Printf("scancel: %s", err)
time.Sleep(time.Second)
projects / arvados.git / blobdiff