func getConfig(flagset *flag.FlagSet, userCfgFile string) (*config.Config, error) { opts := globalconf.Options{EnvPrefix: "FLEET_"} if userCfgFile != "" { // Fail hard if a user-provided config is not usable fi, err := os.Stat(userCfgFile) if err != nil { log.Fatalf("Unable to use config file %s: %v", userCfgFile, err) } if fi.IsDir() { log.Fatalf("Provided config %s is a directory, not a file", userCfgFile) } log.Infof("Using provided config file %s", userCfgFile) opts.Filename = userCfgFile } else if _, err := os.Stat(DefaultConfigFile); err == nil { log.Infof("Using default config file %s", DefaultConfigFile) opts.Filename = DefaultConfigFile } else { log.Infof("No provided or default config file found - proceeding without") } gconf, err := globalconf.NewWithOptions(&opts) if err != nil { return nil, err } gconf.ParseSet("", flagset) cfg := config.Config{ Verbosity: (*flagset.Lookup("verbosity")).Value.(flag.Getter).Get().(int), EtcdServers: (*flagset.Lookup("etcd_servers")).Value.(flag.Getter).Get().(stringSlice), EtcdKeyPrefix: (*flagset.Lookup("etcd_key_prefix")).Value.(flag.Getter).Get().(string), PublicIP: (*flagset.Lookup("public_ip")).Value.(flag.Getter).Get().(string), RawMetadata: (*flagset.Lookup("metadata")).Value.(flag.Getter).Get().(string), AgentTTL: (*flagset.Lookup("agent_ttl")).Value.(flag.Getter).Get().(string), VerifyUnits: (*flagset.Lookup("verify_units")).Value.(flag.Getter).Get().(bool), AuthorizedKeysFile: (*flagset.Lookup("authorized_keys_file")).Value.(flag.Getter).Get().(string), } config.UpdateLoggingFlagsFromConfig(flag.CommandLine, &cfg) return &cfg, nil }
func getConfig(flagset *flag.FlagSet, userCfgFile string) (*config.Config, error) { opts := globalconf.Options{EnvPrefix: "FLEET_"} if userCfgFile != "" { // Fail hard if a user-provided config is not usable if _, err := os.Stat(userCfgFile); err != nil { glog.Errorf("Unable to use config file %s: %v", userCfgFile, err) os.Exit(1) } glog.Infof("Using provided config file %s", userCfgFile) opts.Filename = userCfgFile } else if _, err := os.Stat(DefaultConfigFile); err == nil { glog.Infof("Using default config file %s", DefaultConfigFile) opts.Filename = DefaultConfigFile } else { glog.Infof("Continuing without config file") } gconf, err := globalconf.NewWithOptions(&opts) if err != nil { return nil, err } gconf.ParseSet("", flagset) cfg := config.Config{ Verbosity: (*flagset.Lookup("verbosity")).Value.(flag.Getter).Get().(int), EtcdServers: (*flagset.Lookup("etcd_servers")).Value.(flag.Getter).Get().(stringSlice), BootId: (*flagset.Lookup("boot_id")).Value.(flag.Getter).Get().(string), PublicIP: (*flagset.Lookup("public_ip")).Value.(flag.Getter).Get().(string), RawMetadata: (*flagset.Lookup("metadata")).Value.(flag.Getter).Get().(string), UnitPrefix: (*flagset.Lookup("unit_prefix")).Value.(flag.Getter).Get().(string), AgentTTL: (*flagset.Lookup("agent_ttl")).Value.(flag.Getter).Get().(string), } config.UpdateLoggingFlagsFromConfig(flag.CommandLine, &cfg) return &cfg, nil }