X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/2251688e66191ff1169080f50868bf57e463659c..e5a8dfa1ceeceacf8a51e99d2138d4b2b89411e8:/services/keep-web/main.go

diff --git a/services/keep-web/main.go b/services/keep-web/main.go
index df8a0b5c07..0f2cf1237d 100644
--- a/services/keep-web/main.go
+++ b/services/keep-web/main.go
@@ -1,39 +1,42 @@
+// Copyright (C) The Arvados Authors. All rights reserved.
+//
+// SPDX-License-Identifier: AGPL-3.0
+
 package main
 
 import (
 	"flag"
-	"log"
+	"fmt"
 	"os"
 
+	"git.curoverse.com/arvados.git/lib/config"
 	"git.curoverse.com/arvados.git/sdk/go/arvados"
-	"git.curoverse.com/arvados.git/sdk/go/config"
 	"github.com/coreos/go-systemd/daemon"
+	"github.com/ghodss/yaml"
+	log "github.com/sirupsen/logrus"
 )
 
 var (
-	defaultConfigPath = "/etc/arvados/keep-web/keep-web.yml"
+	version = "dev"
 )
 
 // Config specifies server configuration.
 type Config struct {
-	Client arvados.Client
-
-	Listen string
-
-	AnonymousTokens    []string
-	AttachmentOnlyHost string
-	TrustAllContent    bool
-
-	// Hack to support old command line flag, which is a bool
-	// meaning "get actual token from environment".
-	deprecatedAllowAnonymous bool
+	Client  arvados.Client
+	Cache   cache
+	cluster *arvados.Cluster
 }
 
-// DefaultConfig returns the default configuration.
-func DefaultConfig() *Config {
-	return &Config{
-		Listen: ":80",
+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() {
@@ -45,40 +48,63 @@ func init() {
 	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 main() {
-	cfg := DefaultConfig()
-
-	var configPath string
-	deprecated := " (DEPRECATED -- use config file instead)"
-	flag.StringVar(&configPath, "config", defaultConfigPath,
-		"`path` to JSON or YAML configuration file")
-	flag.StringVar(&cfg.Listen, "listen", "",
-		"address:port or :port to listen on"+deprecated)
-	flag.BoolVar(&cfg.deprecatedAllowAnonymous, "allow-anonymous", false,
-		"Load an anonymous token from the ARVADOS_API_TOKEN environment variable"+deprecated)
-	flag.StringVar(&cfg.AttachmentOnlyHost, "attachment-only-host", "",
-		"Only serve attachments at the given `host:port`"+deprecated)
-	flag.BoolVar(&cfg.TrustAllContent, "trust-all-content", false,
-		"Serve non-public content from a single origin. Dangerous: read docs before using!"+deprecated)
-	flag.Usage = usage
-	flag.Parse()
-
-	if err := config.LoadFile(cfg, configPath); err != nil {
-		if h := os.Getenv("ARVADOS_API_HOST"); h != "" && configPath == defaultConfigPath {
-			log.Printf("DEPRECATED: Using ARVADOS_API_HOST environment variable. Use config file instead.")
-			cfg.Client.APIHost = h
-		} else {
+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)
+
+	// Print version information if requested
+	if *getVersion {
+		fmt.Printf("keep-web %s\n", version)
+		return nil
+	}
+
+	arvCfg, err := loader.Load()
+	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
 	}
-	if cfg.deprecatedAllowAnonymous {
-		log.Printf("DEPRECATED: Using -allow-anonymous command line flag with ARVADOS_API_TOKEN environment variable. Use config file instead.")
-		cfg.AnonymousTokens = []string{os.Getenv("ARVADOS_API_TOKEN")}
+	return cfg
+}
+
+func main() {
+	logger := log.New()
+
+	cfg := configure(logger, os.Args)
+	if cfg == nil {
+		return
 	}
 
-	os.Setenv("ARVADOS_API_HOST", cfg.Client.APIHost)
+	log.Printf("keep-web %s started", version)
+
+	os.Setenv("ARVADOS_API_HOST", cfg.cluster.Services.Controller.ExternalURL.Host)
 	srv := &server{Config: cfg}
 	if err := srv.Start(); err != nil {
 		log.Fatal(err)