-package main
+// Copyright (C) The Lightning Authors. All rights reserved.
+//
+// SPDX-License-Identifier: AGPL-3.0
+
+package lightning
import (
+ "bufio"
"context"
"encoding/json"
"errors"
"fmt"
+ "io"
"io/ioutil"
"net/url"
"os"
"regexp"
+ "strconv"
"strings"
"sync"
"time"
+ "git.arvados.org/arvados.git/lib/cmd"
"git.arvados.org/arvados.git/sdk/go/arvados"
"git.arvados.org/arvados.git/sdk/go/arvadosclient"
"git.arvados.org/arvados.git/sdk/go/keepclient"
+ "github.com/klauspost/pgzip"
log "github.com/sirupsen/logrus"
"golang.org/x/crypto/blake2b"
"golang.org/x/net/websocket"
}
client.mtx.Lock()
for ch := range client.notifying[msg.ObjectUUID] {
- ch <- msg
+ go func() { ch <- msg }()
}
client.mtx.Unlock()
}
}
}
+var refreshTicker = time.NewTicker(5 * time.Second)
+
type arvadosContainerRunner struct {
Client *arvados.Client
Name string
OutputName string
ProjectUUID string
+ APIAccess bool
VCPUs int
RAM int64
Prog string // if empty, run /proc/self/exe
Args []string
Mounts map[string]map[string]interface{}
Priority int
+ KeepCache int // cache buffers per VCPU (0 for default)
}
func (runner *arvadosContainerRunner) Run() (string, error) {
if priority < 1 {
priority = 500
}
+ keepCache := runner.KeepCache
+ if keepCache < 1 {
+ keepCache = 2
+ }
rc := arvados.RuntimeConstraints{
+ API: &runner.APIAccess,
VCPUs: runner.VCPUs,
RAM: runner.RAM,
- KeepCacheRAM: (1 << 26) * 2 * int64(runner.VCPUs),
+ KeepCacheRAM: (1 << 26) * int64(keepCache) * int64(runner.VCPUs),
}
outname := &runner.OutputName
if *outname == "" {
"runtime_constraints": rc,
"priority": runner.Priority,
"state": arvados.ContainerRequestStateCommitted,
+ "scheduling_parameters": arvados.SchedulingParameters{
+ Preemptible: false,
+ Partitions: []string{},
+ },
+ "environment": map[string]string{
+ "GOMAXPROCS": fmt.Sprintf("%d", rc.VCPUs),
+ },
},
})
if err != nil {
subscribedUUID := ""
defer func() {
if subscribedUUID != "" {
+ log.Printf("unsubscribe container UUID: %s", subscribedUUID)
client.Unsubscribe(logch, subscribedUUID)
}
}()
- ticker := time.NewTicker(5 * time.Second)
- defer ticker.Stop()
-
neednewline := ""
lastState := cr.State
refreshCR := func() {
- err = runner.Client.RequestAndDecode(&cr, "GET", "arvados/v1/container_requests/"+cr.UUID, nil, nil)
+ ctx, cancel := context.WithDeadline(ctx, time.Now().Add(time.Minute))
+ defer cancel()
+ err = runner.Client.RequestAndDecodeContext(ctx, &cr, "GET", "arvados/v1/container_requests/"+cr.UUID, nil, nil)
if err != nil {
fmt.Fprint(os.Stderr, neednewline)
+ neednewline = ""
log.Printf("error getting container request: %s", err)
return
}
if lastState != cr.State {
fmt.Fprint(os.Stderr, neednewline)
+ neednewline = ""
log.Printf("container request state: %s", cr.State)
lastState = cr.State
}
fmt.Fprint(os.Stderr, neednewline)
neednewline = ""
if subscribedUUID != "" {
+ log.Printf("unsubscribe container UUID: %s", subscribedUUID)
client.Unsubscribe(logch, subscribedUUID)
}
+ log.Printf("subscribe container UUID: %s", cr.ContainerUUID)
client.Subscribe(logch, cr.ContainerUUID)
subscribedUUID = cr.ContainerUUID
}
}
- var reCrunchstat = regexp.MustCompile(`mem .* rss`)
+ var reCrunchstat = regexp.MustCompile(`mem .* (\d+) rss`)
waitctr:
for cr.State != arvados.ContainerRequestStateFinal {
select {
log.Errorf("error while trying to cancel container request %s: %s", cr.UUID, err)
}
break waitctr
- case <-ticker.C:
+ case <-refreshTicker.C:
refreshCR()
case msg := <-logch:
switch msg.EventType {
}
case "crunchstat":
for _, line := range strings.Split(msg.Properties.Text, "\n") {
- mem := reCrunchstat.FindString(line)
- if mem != "" {
- fmt.Fprintf(os.Stderr, "%s \r", mem)
+ m := reCrunchstat.FindStringSubmatch(line)
+ if m != nil {
+ rss, _ := strconv.ParseInt(m[1], 10, 64)
+ fmt.Fprintf(os.Stderr, "%s rss %.3f GB \r", cr.UUID, float64(rss)/1e9)
neednewline = "\n"
}
}
if m == nil {
return fmt.Errorf("cannot find uuid in path: %q", *path)
}
- uuid := m[2]
- mnt, ok := runner.Mounts["/mnt/"+uuid]
+ collID := m[2]
+ mnt, ok := runner.Mounts["/mnt/"+collID]
if !ok {
mnt = map[string]interface{}{
"kind": "collection",
- "uuid": uuid,
}
- runner.Mounts["/mnt/"+uuid] = mnt
+ if len(collID) == 27 {
+ mnt["uuid"] = collID
+ } else {
+ mnt["portable_data_hash"] = collID
+ }
+ runner.Mounts["/mnt/"+collID] = mnt
}
- *path = "/mnt/" + uuid + m[3]
+ *path = "/mnt/" + collID + m[3]
}
return nil
}
return "", err
}
b2 := blake2b.Sum256(exe)
- cname := fmt.Sprintf("lightning-%x", b2)
+ cname := "lightning " + cmd.Version.String() // must build with "make", not just "go install"
var existing arvados.CollectionList
err = runner.Client.RequestAndDecode(&existing, "GET", "arvados/v1/collections", nil, arvados.ListOptions{
Limit: 1,
Filters: []arvados.Filter{
{Attr: "name", Operator: "=", Operand: cname},
{Attr: "owner_uuid", Operator: "=", Operand: runner.ProjectUUID},
+ {Attr: "properties.blake2b", Operator: "=", Operand: fmt.Sprintf("%x", b2)},
},
})
if err != nil {
return "", err
}
if len(existing.Items) > 0 {
- uuid := existing.Items[0].UUID
- log.Printf("using lightning binary in existing collection %s (name is %q; did not verify whether content matches)", uuid, cname)
- return uuid, nil
+ coll := existing.Items[0]
+ log.Printf("using lightning binary in existing collection %s (name is %q, hash is %q; did not verify whether content matches)", coll.UUID, cname, coll.Properties["blake2b"])
+ return coll.UUID, nil
}
log.Printf("writing lightning binary to new collection %q", cname)
ac, err := arvadosclient.New(runner.Client)
"owner_uuid": runner.ProjectUUID,
"manifest_text": mtxt,
"name": cname,
+ "properties": map[string]interface{}{
+ "blake2b": fmt.Sprintf("%x", b2),
+ },
},
})
if err != nil {
log.Printf("stored lightning binary in new collection %s", coll.UUID)
return coll.UUID, nil
}
+
+// zopen returns a reader for the given file, using the arvados API
+// instead of arv-mount/fuse where applicable, and transparently
+// decompressing the input if fnm ends with ".gz".
+func zopen(fnm string) (io.ReadCloser, error) {
+ f, err := open(fnm)
+ if err != nil || !strings.HasSuffix(fnm, ".gz") {
+ return f, err
+ }
+ rdr, err := pgzip.NewReader(bufio.NewReaderSize(f, 4*1024*1024))
+ if err != nil {
+ f.Close()
+ return nil, err
+ }
+ return gzipr{rdr, f}, nil
+}
+
+// gzipr wraps a ReadCloser and a Closer, presenting a single Close()
+// method that closes both wrapped objects.
+type gzipr struct {
+ io.ReadCloser
+ io.Closer
+}
+
+func (gr gzipr) Close() error {
+ e1 := gr.ReadCloser.Close()
+ e2 := gr.Closer.Close()
+ if e1 != nil {
+ return e1
+ }
+ return e2
+}
+
+var (
+ arvadosClientFromEnv = arvados.NewClientFromEnv()
+ keepClient *keepclient.KeepClient
+ siteFS arvados.CustomFileSystem
+ siteFSMtx sync.Mutex
+)
+
+type file interface {
+ io.ReadCloser
+ io.Seeker
+ Readdir(n int) ([]os.FileInfo, error)
+}
+
+func open(fnm string) (file, error) {
+ if os.Getenv("ARVADOS_API_HOST") == "" {
+ return os.Open(fnm)
+ }
+ m := collectionInPathRe.FindStringSubmatch(fnm)
+ if m == nil {
+ return os.Open(fnm)
+ }
+ collectionUUID := m[2]
+ collectionPath := m[3]
+
+ siteFSMtx.Lock()
+ defer siteFSMtx.Unlock()
+ if siteFS == nil {
+ log.Info("setting up Arvados client")
+ ac, err := arvadosclient.New(arvadosClientFromEnv)
+ if err != nil {
+ return nil, err
+ }
+ ac.Client = arvados.DefaultSecureClient
+ keepClient = keepclient.New(ac)
+ // Don't use keepclient's default short timeouts.
+ keepClient.HTTPClient = arvados.DefaultSecureClient
+ keepClient.BlockCache = &keepclient.BlockCache{MaxBlocks: 4}
+ siteFS = arvadosClientFromEnv.SiteFileSystem(keepClient)
+ } else {
+ keepClient.BlockCache.MaxBlocks += 2
+ }
+
+ log.Infof("reading %q from %s using Arvados client", collectionPath, collectionUUID)
+ f, err := siteFS.Open("by_id/" + collectionUUID + collectionPath)
+ if err != nil {
+ return nil, err
+ }
+ return &reduceCacheOnClose{file: f}, nil
+}
+
+type reduceCacheOnClose struct {
+ file
+ once sync.Once
+}
+
+func (rc *reduceCacheOnClose) Close() error {
+ rc.once.Do(func() { keepClient.BlockCache.MaxBlocks -= 2 })
+ return rc.file.Close()
+}
projects / lightning.git / blobdiff