X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/6e1c29f2530ff36892ebe64a81e3d962766763de..0a98e961b638af177b6e0aebf63f1388cb2b3498:/services/arv-git-httpd/main.go

diff --git a/services/arv-git-httpd/main.go b/services/arv-git-httpd/main.go
index ce18b713d7..b926ac2735 100644
--- a/services/arv-git-httpd/main.go
+++ b/services/arv-git-httpd/main.go
@@ -1,84 +1,76 @@
+// Copyright (C) The Arvados Authors. All rights reserved.
+//
+// SPDX-License-Identifier: AGPL-3.0
+
 package main
 
 import (
-	"encoding/json"
 	"flag"
-	"log"
+	"fmt"
 	"os"
-	"regexp"
 
-	"git.curoverse.com/arvados.git/sdk/go/arvados"
-	"git.curoverse.com/arvados.git/sdk/go/config"
+	"git.arvados.org/arvados.git/lib/cmd"
+	"git.arvados.org/arvados.git/lib/config"
+	"github.com/coreos/go-systemd/daemon"
+	"github.com/ghodss/yaml"
+	log "github.com/sirupsen/logrus"
 )
 
-// Server configuration
-type Config struct {
-	Client     arvados.Client
-	Listen     string
-	GitCommand string
-	RepoRoot   string
-}
+var version = "dev"
 
-var theConfig = defaultConfig()
+func main() {
+	logger := log.New()
+	log.SetFormatter(&log.JSONFormatter{
+		TimestampFormat: "2006-01-02T15:04:05.000000000Z07:00",
+	})
 
-func defaultConfig() *Config {
-	cwd, err := os.Getwd()
-	if err != nil {
-		log.Fatalln("Getwd():", err)
-	}
-	return &Config{
-		Listen:     ":80",
-		GitCommand: "/usr/bin/git",
-		RepoRoot:   cwd,
-	}
-}
+	flags := flag.NewFlagSet(os.Args[0], flag.ContinueOnError)
+	loader := config.NewLoader(os.Stdin, logger)
+	loader.SetupFlags(flags)
 
-func init() {
-	const defaultCfgPath = "/etc/arvados/arv-git-httpd/config.json"
-	const deprecated = " (DEPRECATED -- use config file instead)"
-	flag.StringVar(&theConfig.Listen, "address", theConfig.Listen,
-		"Address to listen on, \"host:port\" or \":port\"."+deprecated)
-	flag.StringVar(&theConfig.GitCommand, "git-command", theConfig.GitCommand,
-		"Path to git or gitolite-shell executable. Each authenticated request will execute this program with a single argument, \"http-backend\"."+deprecated)
-	flag.StringVar(&theConfig.RepoRoot, "repo-root", theConfig.RepoRoot,
-		"Path to git repositories."+deprecated)
+	dumpConfig := flags.Bool("dump-config", false, "write current configuration to stdout and exit (useful for migrating from command line flags to config file)")
+	getVersion := flags.Bool("version", false, "print version information and exit.")
 
-	cfgPath := flag.String("config", defaultCfgPath, "Configuration file `path`.")
-	flag.Usage = usage
-	flag.Parse()
+	args := loader.MungeLegacyConfigArgs(logger, os.Args[1:], "-legacy-git-httpd-config")
+	if ok, code := cmd.ParseFlags(flags, os.Args[0], args, "", os.Stderr); !ok {
+		os.Exit(code)
+	} else if *getVersion {
+		fmt.Printf("arv-git-httpd %s\n", version)
+		return
+	}
 
-	err := config.LoadFile(theConfig, *cfgPath)
+	cfg, err := loader.Load()
 	if err != nil {
-		h := os.Getenv("ARVADOS_API_HOST")
-		if h == "" || !os.IsNotExist(err) || *cfgPath != defaultCfgPath {
+		log.Fatal(err)
+	}
+
+	cluster, err := cfg.GetCluster("")
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	if *dumpConfig {
+		out, err := yaml.Marshal(cfg)
+		if err != nil {
 			log.Fatal(err)
 		}
-		log.Print("DEPRECATED: No config file found, but ARVADOS_API_HOST environment variable is set. Please use a config file instead.")
-		theConfig.Client.APIHost = h
-		if regexp.MustCompile("^(?i:1|yes|true)$").MatchString(os.Getenv("ARVADOS_API_HOST_INSECURE")) {
-			theConfig.Client.Insecure = true
-		}
-		if j, err := json.MarshalIndent(theConfig, "", "    "); err == nil {
-			log.Print("Current configuration:\n", string(j))
+		_, err = os.Stdout.Write(out)
+		if err != nil {
+			log.Fatal(err)
 		}
+		return
 	}
 
-	// MakeArvadosClient returns an error if token is unset (even
-	// though we don't need to do anything requiring
-	// authentication yet). We can't do this in newArvadosClient()
-	// just before calling MakeArvadosClient(), though, because
-	// that interferes with the env var needed by "run test
-	// servers".
-	os.Setenv("ARVADOS_API_TOKEN", "xxx")
-}
-
-func main() {
-	srv := &server{}
+	srv := &server{cluster: cluster}
 	if err := srv.Start(); err != nil {
 		log.Fatal(err)
 	}
+	if _, err := daemon.SdNotify(false, "READY=1"); err != nil {
+		log.Printf("Error notifying init daemon: %v", err)
+	}
+	log.Printf("arv-git-httpd %s started", version)
 	log.Println("Listening at", srv.Addr)
-	log.Println("Repository root", theConfig.RepoRoot)
+	log.Println("Repository root", cluster.Git.Repositories)
 	if err := srv.Wait(); err != nil {
 		log.Fatal(err)
 	}