8784: Fix test for latest firefox.
[arvados.git] / services / arv-git-httpd / main.go
1 package main
2
3 import (
4         "encoding/json"
5         "flag"
6         "log"
7         "os"
8         "regexp"
9
10         "git.curoverse.com/arvados.git/sdk/go/arvados"
11         "git.curoverse.com/arvados.git/sdk/go/config"
12         "github.com/coreos/go-systemd/daemon"
13 )
14
15 // Server configuration
16 type Config struct {
17         Client       arvados.Client
18         Listen       string
19         GitCommand   string
20         RepoRoot     string
21         GitoliteHome string
22 }
23
24 var theConfig = defaultConfig()
25
26 func defaultConfig() *Config {
27         return &Config{
28                 Listen:     ":80",
29                 GitCommand: "/usr/bin/git",
30                 RepoRoot:   "/var/lib/arvados/git/repositories",
31         }
32 }
33
34 func main() {
35         const defaultCfgPath = "/etc/arvados/git-httpd/git-httpd.yml"
36         const deprecated = " (DEPRECATED -- use config file instead)"
37         flag.StringVar(&theConfig.Listen, "address", theConfig.Listen,
38                 "Address to listen on, \"host:port\" or \":port\"."+deprecated)
39         flag.StringVar(&theConfig.GitCommand, "git-command", theConfig.GitCommand,
40                 "Path to git or gitolite-shell executable. Each authenticated request will execute this program with a single argument, \"http-backend\"."+deprecated)
41         flag.StringVar(&theConfig.RepoRoot, "repo-root", theConfig.RepoRoot,
42                 "Path to git repositories."+deprecated)
43         flag.StringVar(&theConfig.GitoliteHome, "gitolite-home", theConfig.GitoliteHome,
44                 "Value for GITOLITE_HTTP_HOME environment variable. If not empty, GL_BYPASS_ACCESS_CHECKS=1 will also be set."+deprecated)
45
46         cfgPath := flag.String("config", defaultCfgPath, "Configuration file `path`.")
47         dumpConfig := flag.Bool("dump-config", false, "write current configuration to stdout and exit (useful for migrating from command line flags to config file)")
48         flag.Usage = usage
49         flag.Parse()
50
51         err := config.LoadFile(theConfig, *cfgPath)
52         if err != nil {
53                 h := os.Getenv("ARVADOS_API_HOST")
54                 if h == "" || !os.IsNotExist(err) || *cfgPath != defaultCfgPath {
55                         log.Fatal(err)
56                 }
57                 log.Print("DEPRECATED: No config file found, but ARVADOS_API_HOST environment variable is set. Please use a config file instead.")
58                 theConfig.Client.APIHost = h
59                 if regexp.MustCompile("^(?i:1|yes|true)$").MatchString(os.Getenv("ARVADOS_API_HOST_INSECURE")) {
60                         theConfig.Client.Insecure = true
61                 }
62                 if j, err := json.MarshalIndent(theConfig, "", "    "); err == nil {
63                         log.Print("Current configuration:\n", string(j))
64                 }
65         }
66
67         if *dumpConfig {
68                 log.Fatal(config.DumpAndExit(theConfig))
69         }
70
71         srv := &server{}
72         if err := srv.Start(); err != nil {
73                 log.Fatal(err)
74         }
75         if _, err := daemon.SdNotify(false, "READY=1"); err != nil {
76                 log.Printf("Error notifying init daemon: %v", err)
77         }
78         log.Println("Listening at", srv.Addr)
79         log.Println("Repository root", theConfig.RepoRoot)
80         if err := srv.Wait(); err != nil {
81                 log.Fatal(err)
82         }
83 }