func loadLdapConfig() {
if !setting.LdapEnabled {
return
}
log.Info("Login: Ldap enabled, reading config file: %s", setting.LdapConfigFile)
_, err := toml.DecodeFile(setting.LdapConfigFile, &ldapCfg)
if err != nil {
log.Fatal(3, "Failed to load ldap config file: %s", err)
}
if len(ldapCfg.Servers) == 0 {
log.Fatal(3, "ldap enabled but no ldap servers defined in config file: %s", setting.LdapConfigFile)
}
// set default org id
for _, server := range ldapCfg.Servers {
assertNotEmptyCfg(server.SearchFilter, "search_filter")
assertNotEmptyCfg(server.SearchBaseDNs, "search_base_dns")
for _, groupMap := range server.LdapGroups {
if groupMap.OrgId == 0 {
groupMap.OrgId = 1
}
}
}
}
func NewEngine() {
x, err := getEngine()
if err != nil {
log.Fatal(3, "Sqlstore: Fail to connect to database: %v", err)
}
err = SetEngine(x, true)
if err != nil {
log.Fatal(3, "fail to initialize orm engine: %v", err)
}
}
func assertNotEmptyCfg(val interface{}, propName string) {
switch v := val.(type) {
case string:
if v == "" {
log.Fatal(3, "LDAP config file is missing option: %s", propName)
}
case []string:
if len(v) == 0 {
log.Fatal(3, "LDAP config file is missing option: %s", propName)
}
default:
fmt.Println("unknown")
}
}
func EnsureAdminUser() {
statsQuery := m.GetSystemStatsQuery{}
if err := bus.Dispatch(&statsQuery); err != nil {
log.Fatal(3, "Could not determine if admin user exists: %v", err)
return
}
if statsQuery.Result.UserCount > 0 {
return
}
cmd := m.CreateUserCommand{}
cmd.Login = setting.AdminUser
cmd.Email = setting.AdminUser + "@localhost"
cmd.Password = setting.AdminPassword
cmd.IsAdmin = true
if err := bus.Dispatch(&cmd); err != nil {
log.Error(3, "Failed to create default admin user", err)
return
}
log.Info("Created default admin user: %v", setting.AdminUser)
}
func writePIDFile() {
if *pidFile == "" {
return
}
// Ensure the required directory structure exists.
err := os.MkdirAll(filepath.Dir(*pidFile), 0700)
if err != nil {
log.Fatal(3, "Failed to verify pid directory", err)
}
// Retrieve the PID and write it.
pid := strconv.Itoa(os.Getpid())
if err := ioutil.WriteFile(*pidFile, []byte(pid), 0644); err != nil {
log.Fatal(3, "Failed to write pidfile", err)
}
}
func StartServer() {
var err error
m := newMacaron()
api.Register(m)
listenAddr := fmt.Sprintf("%s:%s", setting.HttpAddr, setting.HttpPort)
log.Info("Listen: %v://%s%s", setting.Protocol, listenAddr, setting.AppSubUrl)
switch setting.Protocol {
case setting.HTTP:
err = http.ListenAndServe(listenAddr, m)
case setting.HTTPS:
err = http.ListenAndServeTLS(listenAddr, setting.CertFile, setting.KeyFile, m)
default:
log.Fatal(4, "Invalid protocol: %s", setting.Protocol)
}
if err != nil {
log.Fatal(4, "Fail to start server: %v", err)
}
}
func parseAppUrlAndSubUrl(section *ini.Section) (string, string) {
appUrl := section.Key("root_url").MustString("http://localhost:3000/")
if appUrl[len(appUrl)-1] != '/' {
appUrl += "/"
}
// Check if has app suburl.
url, err := url.Parse(appUrl)
if err != nil {
log.Fatal(4, "Invalid root_url(%s): %s", appUrl, err)
}
appSubUrl := strings.TrimSuffix(url.Path, "/")
return appUrl, appSubUrl
}
func initRuntime() {
err := setting.NewConfigContext(&setting.CommandLineArgs{
Config: *configFile,
HomePath: *homePath,
Args: flag.Args(),
})
if err != nil {
log.Fatal(3, err.Error())
}
log.Info("Starting Grafana")
log.Info("Version: %v, Commit: %v, Build date: %v", setting.BuildVersion, setting.BuildCommit, time.Unix(setting.BuildStamp, 0))
setting.LogConfigurationInfo()
sqlstore.NewEngine()
sqlstore.EnsureAdminUser()
}
func getCommandLineProperties(args []string) map[string]string {
props := make(map[string]string)
for _, arg := range args {
if !strings.HasPrefix(arg, "cfg:") {
continue
}
trimmed := strings.TrimPrefix(arg, "cfg:")
parts := strings.Split(trimmed, "=")
if len(parts) != 2 {
log.Fatal(3, "Invalid command line argument", arg)
return nil
}
props[parts[0]] = parts[1]
}
return props
}
func loadConfiguration(args *CommandLineArgs) {
var err error
// load config defaults
defaultConfigFile := path.Join(HomePath, "conf/defaults.ini")
configFiles = append(configFiles, defaultConfigFile)
Cfg, err = ini.Load(defaultConfigFile)
Cfg.BlockMode = false
if err != nil {
log.Fatal(3, "Failed to parse defaults.ini, %v", err)
}
// command line props
commandLineProps := getCommandLineProperties(args.Args)
// load default overrides
applyCommandLineDefaultProperties(commandLineProps)
// init logging before specific config so we can log errors from here on
DataPath = makeAbsolute(Cfg.Section("paths").Key("data").String(), HomePath)
initLogging(args)
// load specified config file
loadSpecifedConfigFile(args.Config)
// apply environment overrides
applyEnvVariableOverrides()
// apply command line overrides
applyCommandLineProperties(commandLineProps)
// evaluate config values containing environment variables
evalConfigValues()
// update data path and logging config
DataPath = makeAbsolute(Cfg.Section("paths").Key("data").String(), HomePath)
initLogging(args)
}
func main() {
v := flag.Bool("v", false, "prints current version and exits")
flag.Parse()
if *v {
fmt.Printf("Version %s (commit: %s)\n", version, commit)
os.Exit(0)
}
buildstampInt64, _ := strconv.ParseInt(buildstamp, 10, 64)
setting.BuildVersion = version
setting.BuildCommit = commit
setting.BuildStamp = buildstampInt64
go listenToSystemSignels()
flag.Parse()
writePIDFile()
initRuntime()
search.Init()
login.Init()
social.NewOAuthService()
eventpublisher.Init()
plugins.Init()
if err := notifications.Init(); err != nil {
log.Fatal(3, "Notification service failed to initialize", err)
}
if setting.ReportingEnabled {
go metrics.StartUsageReportLoop()
}
cmd.StartServer()
exitChan <- 0
}
func loadSpecifedConfigFile(configFile string) {
if configFile == "" {
configFile = filepath.Join(HomePath, "conf/custom.ini")
// return without error if custom file does not exist
if !pathExists(configFile) {
return
}
}
userConfig, err := ini.Load(configFile)
userConfig.BlockMode = false
if err != nil {
log.Fatal(3, "Failed to parse %v, %v", configFile, err)
}
for _, section := range userConfig.Sections() {
for _, key := range section.Keys() {
if key.Value() == "" {
continue
}
defaultSec, err := Cfg.GetSection(section.Name())
if err != nil {
log.Error(3, "Unknown config section %s defined in %s", section.Name(), configFile)
continue
}
defaultKey, err := defaultSec.GetKey(key.Name())
if err != nil {
log.Error(3, "Unknown config key %s defined in section %s, in file %s", key.Name(), section.Name(), configFile)
continue
}
defaultKey.SetValue(key.Value())
}
}
configFiles = append(configFiles, configFile)
}
func initLogging(args *CommandLineArgs) {
//close any existing log handlers.
log.Close()
// Get and check log mode.
LogModes = strings.Split(Cfg.Section("log").Key("mode").MustString("console"), ",")
LogsPath = makeAbsolute(Cfg.Section("paths").Key("logs").String(), HomePath)
LogConfigs = make([]util.DynMap, len(LogModes))
for i, mode := range LogModes {
mode = strings.TrimSpace(mode)
sec, err := Cfg.GetSection("log." + mode)
if err != nil {
log.Fatal(4, "Unknown log mode: %s", mode)
}
// Log level.
levelName := Cfg.Section("log."+mode).Key("level").In("Trace",
[]string{"Trace", "Debug", "Info", "Warn", "Error", "Critical"})
level, ok := logLevels[levelName]
if !ok {
log.Fatal(4, "Unknown log level: %s", levelName)
}
// Generate log configuration.
switch mode {
case "console":
formatting := sec.Key("formatting").MustBool(true)
LogConfigs[i] = util.DynMap{
"level": level,
"formatting": formatting,
}
case "file":
logPath := sec.Key("file_name").MustString(filepath.Join(LogsPath, "grafana.log"))
os.MkdirAll(filepath.Dir(logPath), os.ModePerm)
LogConfigs[i] = util.DynMap{
"level": level,
"filename": logPath,
"rotate": sec.Key("log_rotate").MustBool(true),
"maxlines": sec.Key("max_lines").MustInt(1000000),
"maxsize": 1 << uint(sec.Key("max_size_shift").MustInt(28)),
"daily": sec.Key("daily_rotate").MustBool(true),
"maxdays": sec.Key("max_days").MustInt(7),
}
case "conn":
LogConfigs[i] = util.DynMap{
"level": level,
"reconnectOnMsg": sec.Key("reconnect_on_msg").MustBool(),
"reconnect": sec.Key("reconnect").MustBool(),
"net": sec.Key("protocol").In("tcp", []string{"tcp", "unix", "udp"}),
"addr": sec.Key("addr").MustString(":7020"),
}
case "smtp":
LogConfigs[i] = util.DynMap{
"level": level,
"user": sec.Key("user").MustString("*****@*****.**"),
"passwd": sec.Key("passwd").MustString("******"),
"host": sec.Key("host").MustString("127.0.0.1:25"),
"receivers": sec.Key("receivers").MustString("[]"),
"subject": sec.Key("subject").MustString("Diagnostic message from serve"),
}
case "database":
LogConfigs[i] = util.DynMap{
"level": level,
"driver": sec.Key("driver").String(),
"conn": sec.Key("conn").String(),
}
case "syslog":
LogConfigs[i] = util.DynMap{
"level": level,
"network": sec.Key("network").MustString(""),
"address": sec.Key("address").MustString(""),
"facility": sec.Key("facility").MustString("local7"),
"tag": sec.Key("tag").MustString(""),
}
}
cfgJsonBytes, _ := json.Marshal(LogConfigs[i])
log.NewLogger(Cfg.Section("log").Key("buffer_len").MustInt64(10000), mode, string(cfgJsonBytes))
}
}