package main import ( "flag" "log" "os" "git.curoverse.com/arvados.git/sdk/go/arvados" "git.curoverse.com/arvados.git/sdk/go/config" "github.com/coreos/go-systemd/daemon" ) var ( defaultConfigPath = "/etc/arvados/keep-web/keep-web.yml" ) // 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 } // DefaultConfig returns the default configuration. func DefaultConfig() *Config { return &Config{ Listen: ":80", } } 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") } } 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 { log.Fatal(err) } } 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")} } os.Setenv("ARVADOS_API_HOST", cfg.Client.APIHost) srv := &server{Config: cfg} 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.Println("Listening at", srv.Addr) if err := srv.Wait(); err != nil { log.Fatal(err) } }