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main.go
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main.go
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package main
import (
"context"
"fmt"
"os"
"os/signal"
"path/filepath"
"strings"
"syscall"
"time"
"github.com/bluesky-social/indigo/api"
libbgs "github.com/bluesky-social/indigo/bgs"
"github.com/bluesky-social/indigo/blobs"
"github.com/bluesky-social/indigo/carstore"
"github.com/bluesky-social/indigo/did"
"github.com/bluesky-social/indigo/events"
"github.com/bluesky-social/indigo/indexer"
"github.com/bluesky-social/indigo/notifs"
"github.com/bluesky-social/indigo/plc"
"github.com/bluesky-social/indigo/repomgr"
"github.com/bluesky-social/indigo/util"
"github.com/bluesky-social/indigo/util/cliutil"
"github.com/bluesky-social/indigo/xrpc"
_ "go.uber.org/automaxprocs"
"net/http"
_ "net/http/pprof"
_ "github.com/joho/godotenv/autoload"
"github.com/carlmjohnson/versioninfo"
logging "github.com/ipfs/go-log"
"github.com/urfave/cli/v2"
"go.opentelemetry.io/otel"
"go.opentelemetry.io/otel/attribute"
"go.opentelemetry.io/otel/exporters/jaeger"
"go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp"
"go.opentelemetry.io/otel/sdk/resource"
tracesdk "go.opentelemetry.io/otel/sdk/trace"
semconv "go.opentelemetry.io/otel/semconv/v1.4.0"
"gorm.io/plugin/opentelemetry/tracing"
)
var log = logging.Logger("bigsky")
func init() {
// control log level using, eg, GOLOG_LOG_LEVEL=debug
//logging.SetAllLoggers(logging.LevelDebug)
}
func main() {
run(os.Args)
}
func run(args []string) {
app := cli.App{
Name: "bigsky",
Usage: "atproto BGS/firehose daemon",
Version: versioninfo.Short(),
}
app.Flags = []cli.Flag{
&cli.BoolFlag{
Name: "jaeger",
},
&cli.StringFlag{
Name: "db-url",
Usage: "database connection string for BGS database",
Value: "sqlite://./data/bigsky/bgs.sqlite",
EnvVars: []string{"DATABASE_URL"},
},
&cli.StringFlag{
Name: "carstore-db-url",
Usage: "database connection string for carstore database",
Value: "sqlite://./data/bigsky/carstore.sqlite",
EnvVars: []string{"CARSTORE_DATABASE_URL"},
},
&cli.BoolFlag{
Name: "db-tracing",
},
&cli.StringFlag{
Name: "data-dir",
Usage: "path of directory for CAR files and other data",
Value: "data/bigsky",
EnvVars: []string{"DATA_DIR"},
},
&cli.StringFlag{
Name: "plc-host",
Usage: "method, hostname, and port of PLC registry",
Value: "https://plc.directory",
EnvVars: []string{"ATP_PLC_HOST"},
},
&cli.BoolFlag{
Name: "crawl-insecure-ws",
Usage: "when connecting to PDS instances, use ws:// instead of wss://",
},
&cli.BoolFlag{
Name: "aggregation",
Value: false,
},
&cli.BoolFlag{
Name: "spidering",
Value: true,
EnvVars: []string{"BGS_SPIDERING"},
},
&cli.StringFlag{
Name: "api-listen",
Value: ":2470",
},
&cli.StringFlag{
Name: "metrics-listen",
Value: ":2471",
EnvVars: []string{"BGS_METRICS_LISTEN"},
},
&cli.StringFlag{
Name: "disk-blob-store",
},
&cli.StringFlag{
Name: "disk-persister-dir",
Usage: "set directory for disk persister (implicitly enables disk persister)",
},
&cli.StringFlag{
Name: "admin-key",
EnvVars: []string{"BGS_ADMIN_KEY"},
},
&cli.StringSliceFlag{
Name: "handle-resolver-hosts",
EnvVars: []string{"HANDLE_RESOLVER_HOSTS"},
},
&cli.IntFlag{
Name: "max-carstore-connections",
EnvVars: []string{"MAX_CARSTORE_CONNECTIONS"},
Value: 40,
},
&cli.IntFlag{
Name: "max-metadb-connections",
EnvVars: []string{"MAX_METADB_CONNECTIONS"},
Value: 40,
},
&cli.DurationFlag{
Name: "compact-interval",
EnvVars: []string{"BGS_COMPACT_INTERVAL"},
Value: 4 * time.Hour,
Usage: "interval between compaction runs, set to 0 to disable scheduled compaction",
},
&cli.StringFlag{
Name: "resolve-address",
EnvVars: []string{"RESOLVE_ADDRESS"},
Value: "1.1.1.1:53",
},
&cli.BoolFlag{
Name: "force-dns-udp",
EnvVars: []string{"FORCE_DNS_UDP"},
},
&cli.IntFlag{
Name: "max-fetch-concurrency",
Value: 100,
EnvVars: []string{"MAX_FETCH_CONCURRENCY"},
},
}
app.Action = Bigsky
err := app.Run(os.Args)
if err != nil {
log.Fatal(err)
}
}
func Bigsky(cctx *cli.Context) error {
// Trap SIGINT to trigger a shutdown.
signals := make(chan os.Signal, 1)
signal.Notify(signals, syscall.SIGINT, syscall.SIGTERM)
if cctx.Bool("jaeger") {
url := "http://localhost:14268/api/traces"
exp, err := jaeger.New(jaeger.WithCollectorEndpoint(jaeger.WithEndpoint(url)))
if err != nil {
return err
}
tp := tracesdk.NewTracerProvider(
// Always be sure to batch in production.
tracesdk.WithBatcher(exp),
// Record information about this application in a Resource.
tracesdk.WithResource(resource.NewWithAttributes(
semconv.SchemaURL,
semconv.ServiceNameKey.String("bgs"),
attribute.String("environment", "test"),
attribute.Int64("ID", 1),
)),
)
otel.SetTracerProvider(tp)
}
// Enable OTLP HTTP exporter
// For relevant environment variables:
// https://pkg.go.dev/go.opentelemetry.io/otel/exporters/otlp/otlptrace#readme-environment-variables
// At a minimum, you need to set
// OTEL_EXPORTER_OTLP_ENDPOINT=http://localhost:4318
if ep := os.Getenv("OTEL_EXPORTER_OTLP_ENDPOINT"); ep != "" {
log.Infow("setting up trace exporter", "endpoint", ep)
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
exp, err := otlptracehttp.New(ctx)
if err != nil {
log.Fatalw("failed to create trace exporter", "error", err)
}
defer func() {
ctx, cancel := context.WithTimeout(context.Background(), time.Second)
defer cancel()
if err := exp.Shutdown(ctx); err != nil {
log.Errorw("failed to shutdown trace exporter", "error", err)
}
}()
tp := tracesdk.NewTracerProvider(
tracesdk.WithBatcher(exp),
tracesdk.WithResource(resource.NewWithAttributes(
semconv.SchemaURL,
semconv.ServiceNameKey.String("bgs"),
attribute.String("env", os.Getenv("ENVIRONMENT")), // DataDog
attribute.String("environment", os.Getenv("ENVIRONMENT")), // Others
attribute.Int64("ID", 1),
)),
)
otel.SetTracerProvider(tp)
}
// ensure data directory exists; won't error if it does
datadir := cctx.String("data-dir")
csdir := filepath.Join(datadir, "carstore")
if err := os.MkdirAll(datadir, os.ModePerm); err != nil {
return err
}
log.Infow("setting up main database")
dburl := cctx.String("db-url")
db, err := cliutil.SetupDatabase(dburl, cctx.Int("max-metadb-connections"))
if err != nil {
return err
}
log.Infow("setting up carstore database")
csdburl := cctx.String("carstore-db-url")
csdb, err := cliutil.SetupDatabase(csdburl, cctx.Int("max-carstore-connections"))
if err != nil {
return err
}
if cctx.Bool("db-tracing") {
if err := db.Use(tracing.NewPlugin()); err != nil {
return err
}
if err := csdb.Use(tracing.NewPlugin()); err != nil {
return err
}
}
os.MkdirAll(filepath.Dir(csdir), os.ModePerm)
cstore, err := carstore.NewCarStore(csdb, csdir)
if err != nil {
return err
}
mr := did.NewMultiResolver()
didr := &api.PLCServer{Host: cctx.String("plc-host")}
mr.AddHandler("plc", didr)
webr := did.WebResolver{}
if cctx.Bool("crawl-insecure-ws") {
webr.Insecure = true
}
mr.AddHandler("web", &webr)
cachedidr := plc.NewCachingDidResolver(mr, time.Hour*24, 500_000)
kmgr := indexer.NewKeyManager(cachedidr, nil)
repoman := repomgr.NewRepoManager(cstore, kmgr)
var persister events.EventPersistence
if dpd := cctx.String("disk-persister-dir"); dpd != "" {
log.Infow("setting up disk persister")
dp, err := events.NewDiskPersistence(dpd, "", db, events.DefaultDiskPersistOptions())
if err != nil {
return fmt.Errorf("setting up disk persister: %w", err)
}
persister = dp
} else {
dbp, err := events.NewDbPersistence(db, cstore, nil)
if err != nil {
return fmt.Errorf("setting up db event persistence: %w", err)
}
persister = dbp
}
evtman := events.NewEventManager(persister)
notifman := ¬ifs.NullNotifs{}
rf := indexer.NewRepoFetcher(db, repoman, cctx.Int("max-fetch-concurrency"))
ix, err := indexer.NewIndexer(db, notifman, evtman, cachedidr, rf, true, cctx.Bool("spidering"), cctx.Bool("aggregation"))
if err != nil {
return err
}
rlskip := os.Getenv("BSKY_SOCIAL_RATE_LIMIT_SKIP")
ix.ApplyPDSClientSettings = func(c *xrpc.Client) {
if strings.HasSuffix(c.Host, ".bsky.network") {
if c.Client == nil {
c.Client = util.RobustHTTPClient()
}
c.Client.Timeout = time.Minute * 30
if rlskip != "" {
c.Headers = map[string]string{
"x-ratelimit-bypass": rlskip,
}
}
}
}
rf.ApplyPDSClientSettings = ix.ApplyPDSClientSettings
repoman.SetEventHandler(func(ctx context.Context, evt *repomgr.RepoEvent) {
if err := ix.HandleRepoEvent(ctx, evt); err != nil {
log.Errorw("failed to handle repo event", "err", err)
}
}, false)
var blobstore blobs.BlobStore
if bsdir := cctx.String("disk-blob-store"); bsdir != "" {
blobstore = &blobs.DiskBlobStore{Dir: bsdir}
}
prodHR, err := api.NewProdHandleResolver(100_000, cctx.String("resolve-address"), cctx.Bool("force-dns-udp"))
if err != nil {
return fmt.Errorf("failed to set up handle resolver: %w", err)
}
if rlskip != "" {
prodHR.ReqMod = func(req *http.Request, host string) error {
if strings.HasSuffix(host, ".bsky.social") {
req.Header.Set("x-ratelimit-bypass", rlskip)
}
return nil
}
}
var hr api.HandleResolver = prodHR
if cctx.StringSlice("handle-resolver-hosts") != nil {
hr = &api.TestHandleResolver{
TrialHosts: cctx.StringSlice("handle-resolver-hosts"),
}
}
log.Infow("constructing bgs")
bgs, err := libbgs.NewBGS(db, ix, repoman, evtman, cachedidr, blobstore, rf, hr, !cctx.Bool("crawl-insecure-ws"), cctx.Duration("compact-interval"))
if err != nil {
return err
}
if tok := cctx.String("admin-key"); tok != "" {
if err := bgs.CreateAdminToken(tok); err != nil {
return fmt.Errorf("failed to set up admin token: %w", err)
}
}
// set up metrics endpoint
go func() {
if err := bgs.StartMetrics(cctx.String("metrics-listen")); err != nil {
log.Fatalf("failed to start metrics endpoint: %s", err)
}
}()
bgsErr := make(chan error, 1)
go func() {
err := bgs.Start(cctx.String("api-listen"))
bgsErr <- err
}()
log.Infow("startup complete")
select {
case <-signals:
log.Info("received shutdown signal")
errs := bgs.Shutdown()
for err := range errs {
log.Errorw("error during BGS shutdown", "err", err)
}
case err := <-bgsErr:
if err != nil {
log.Errorw("error during BGS startup", "err", err)
}
log.Info("shutting down")
errs := bgs.Shutdown()
for err := range errs {
log.Errorw("error during BGS shutdown", "err", err)
}
}
log.Info("shutdown complete")
return nil
}