//
// SPDX-License-Identifier: AGPL-3.0
-package main
+package keepweb
import (
- "flag"
- "fmt"
+ "context"
"mime"
"os"
- "git.arvados.org/arvados.git/lib/config"
+ "git.arvados.org/arvados.git/lib/service"
"git.arvados.org/arvados.git/sdk/go/arvados"
- "github.com/coreos/go-systemd/daemon"
- "github.com/ghodss/yaml"
- "github.com/sirupsen/logrus"
- log "github.com/sirupsen/logrus"
+ "git.arvados.org/arvados.git/sdk/go/ctxlog"
+ "git.arvados.org/arvados.git/sdk/go/keepclient"
+ "github.com/prometheus/client_golang/prometheus"
)
-var (
- version = "dev"
-)
-
-// Config specifies server configuration.
-type Config struct {
- Client arvados.Client
- Cache cache
- cluster *arvados.Cluster
-}
-
-func newConfig(arvCfg *arvados.Config) *Config {
- cfg := Config{}
- var cls *arvados.Cluster
- var err error
- if cls, err = arvCfg.GetCluster(""); err != nil {
- log.Fatal(err)
- }
- cfg.cluster = cls
- cfg.Cache.config = &cfg.cluster.Collections.WebDAVCache
- return &cfg
-}
-
-func init() {
- // MakeArvadosClient returns an error if this env var isn't
- // available as a default token (even if we explicitly set a
- // different token before doing anything with the client). We
- // set this dummy value during init so it doesn't clobber the
- // one used by "run test servers".
- if os.Getenv("ARVADOS_API_TOKEN") == "" {
- os.Setenv("ARVADOS_API_TOKEN", "xxx")
- }
-
- log.SetFormatter(&log.JSONFormatter{
- TimestampFormat: "2006-01-02T15:04:05.000000000Z07:00",
- })
-}
-
-func configure(logger log.FieldLogger, args []string) *Config {
- flags := flag.NewFlagSet(args[0], flag.ExitOnError)
-
- loader := config.NewLoader(os.Stdin, logger)
- loader.SetupFlags(flags)
-
- dumpConfig := flags.Bool("dump-config", false,
- "write current configuration to stdout and exit")
- getVersion := flags.Bool("version", false,
- "print version information and exit.")
-
- args = loader.MungeLegacyConfigArgs(logger, args[1:], "-legacy-keepweb-config")
- flags.Parse(args)
+var Command = service.Command(arvados.ServiceNameKeepweb, newHandlerOrErrorHandler)
- // Print version information if requested
- if *getVersion {
- fmt.Printf("keep-web %s\n", version)
- return nil
- }
-
- arvCfg, err := loader.Load()
+func newHandlerOrErrorHandler(ctx context.Context, cluster *arvados.Cluster, token string, reg *prometheus.Registry) service.Handler {
+ h, err := newHandler(ctx, cluster, token, reg)
if err != nil {
- log.Fatal(err)
- }
- cfg := newConfig(arvCfg)
-
- if *dumpConfig {
- out, err := yaml.Marshal(cfg)
- if err != nil {
- log.Fatal(err)
- }
- _, err = os.Stdout.Write(out)
- if err != nil {
- log.Fatal(err)
- }
- return nil
+ return service.ErrorHandler(ctx, cluster, err)
}
- return cfg
+ return h
}
-func main() {
- logger := log.New()
-
- cfg := configure(logger, os.Args)
- if cfg == nil {
- return
- }
-
- log.Printf("keep-web %s started", version)
-
+func newHandler(ctx context.Context, cluster *arvados.Cluster, token string, reg *prometheus.Registry) (*handler, error) {
+ logger := ctxlog.FromContext(ctx)
if ext := ".txt"; mime.TypeByExtension(ext) == "" {
- log.Warnf("cannot look up MIME type for %q -- this probably means /etc/mime.types is missing -- clients will see incorrect content types", ext)
- }
-
- os.Setenv("ARVADOS_API_HOST", cfg.cluster.Services.Controller.ExternalURL.Host)
- srv := &server{Config: cfg}
- if err := srv.Start(logrus.StandardLogger()); err != nil {
- log.Fatal(err)
- }
- if _, err := daemon.SdNotify(false, "READY=1"); err != nil {
- log.Printf("Error notifying init daemon: %v", err)
- }
- log.Println("Listening at", srv.Addr)
- if err := srv.Wait(); err != nil {
- log.Fatal(err)
- }
+ logger.Warnf("cannot look up MIME type for %q -- this probably means /etc/mime.types is missing -- clients will see incorrect content types", ext)
+ }
+
+ keepclient.RefreshServiceDiscoveryOnSIGHUP()
+ os.Setenv("ARVADOS_API_HOST", cluster.Services.Controller.ExternalURL.Host)
+ return &handler{
+ Cluster: cluster,
+ Cache: cache{
+ cluster: cluster,
+ logger: logger,
+ registry: reg,
+ },
+ metrics: newMetrics(reg),
+ }, nil
}