func (gc *GarbageCollector) Run() chan struct{} {
stop := make(chan struct{})
go func() {
var failing bool
next := gc.interval
for {
select {
case <-gc.clock.After(next):
if anyPurgeErrors(purgeAll(gc.purgers)) {
if !failing {
failing = true
next = time.Second
} else {
next = ptime.ExpBackoff(next, time.Minute)
}
log.Errorf("Failed garbage collection, retrying in %v", next)
} else {
failing = false
next = gc.interval
log.Infof("Garbage collection complete, running again in %v", next)
}
case <-stop:
return
}
}
}()
return stop
}
func main() {
fs := flag.NewFlagSet("dex-overlord", flag.ExitOnError)
keySecrets := pflag.NewBase64List(32)
fs.Var(keySecrets, "key-secrets", "A comma-separated list of base64 encoded 32 byte strings used as symmetric keys used to encrypt/decrypt signing key data in DB. The first key is considered the active key and used for encryption, while the others are used to decrypt.")
useOldFormat := fs.Bool("use-deprecated-secret-format", false, "In prior releases, the database used AES-CBC to encrypt keys. New deployments should use the default AES-GCM encryption.")
dbURL := fs.String("db-url", "", "DSN-formatted database connection string")
dbMigrate := fs.Bool("db-migrate", true, "perform database migrations when starting up overlord. This includes the initial DB objects creation.")
keyPeriod := fs.Duration("key-period", 24*time.Hour, "length of time for-which a given key will be valid")
gcInterval := fs.Duration("gc-interval", time.Hour, "length of time between garbage collection runs")
adminListen := fs.String("admin-listen", "http://127.0.0.1:5557", "scheme, host and port for listening for administrative operation requests ")
adminAPISecret := pflag.NewBase64(server.AdminAPISecretLength)
fs.Var(adminAPISecret, "admin-api-secret", fmt.Sprintf("A base64-encoded %d byte string which is used to protect the Admin API.", server.AdminAPISecretLength))
localConnectorID := fs.String("local-connector", "local", "ID of the local connector")
logDebug := fs.Bool("log-debug", false, "log debug-level information")
logTimestamps := fs.Bool("log-timestamps", false, "prefix log lines with timestamps")
printVersion := fs.Bool("version", false, "Print the version and exit")
if err := fs.Parse(os.Args[1:]); err != nil {
fmt.Fprintln(os.Stderr, err.Error())
os.Exit(1)
}
if err := pflag.SetFlagsFromEnv(fs, "DEX_OVERLORD"); err != nil {
fmt.Fprintln(os.Stderr, err.Error())
os.Exit(1)
}
if *printVersion {
fmt.Printf("dex version %s\ngo version %s\n", strings.TrimPrefix(version, "v"), strings.TrimPrefix(runtime.Version(), "go"))
os.Exit(0)
}
if *logDebug {
log.EnableDebug()
}
if *logTimestamps {
log.EnableTimestamps()
}
adminURL, err := url.Parse(*adminListen)
if err != nil {
log.Fatalf("Unable to use --admin-listen flag: %v", err)
}
if len(keySecrets.BytesSlice()) == 0 {
log.Fatalf("Must specify at least one key secret")
}
dbCfg := db.Config{
DSN: *dbURL,
MaxIdleConnections: 1,
MaxOpenConnections: 1,
}
dbc, err := db.NewConnection(dbCfg)
if err != nil {
log.Fatalf(err.Error())
}
if *dbMigrate {
var sleep time.Duration
for {
var err error
var migrations int
if migrations, err = db.MigrateToLatest(dbc); err == nil {
log.Infof("Performed %d db migrations", migrations)
break
}
sleep = ptime.ExpBackoff(sleep, time.Minute)
log.Errorf("Unable to migrate database, retrying in %v: %v", sleep, err)
time.Sleep(sleep)
}
}
userRepo := db.NewUserRepo(dbc)
pwiRepo := db.NewPasswordInfoRepo(dbc)
connCfgRepo := db.NewConnectorConfigRepo(dbc)
userManager := manager.NewUserManager(userRepo,
pwiRepo, connCfgRepo, db.TransactionFactory(dbc), manager.ManagerOptions{})
adminAPI := admin.NewAdminAPI(userManager, userRepo, pwiRepo, *localConnectorID)
kRepo, err := db.NewPrivateKeySetRepo(dbc, *useOldFormat, keySecrets.BytesSlice()...)
if err != nil {
log.Fatalf(err.Error())
}
var sleep time.Duration
for {
var done bool
_, err := kRepo.Get()
switch err {
case nil:
done = true
case key.ErrorNoKeys:
done = true
case db.ErrorCannotDecryptKeys:
log.Fatalf("Cannot decrypt keys using any of the given key secrets. The key secrets must be changed to include one that can decrypt the existing keys, or the existing keys must be deleted.")
}
if done {
break
}
sleep = ptime.ExpBackoff(sleep, time.Minute)
log.Errorf("Unable to get keys from repository, retrying in %v: %v", sleep, err)
time.Sleep(sleep)
}
krot := key.NewPrivateKeyRotator(kRepo, *keyPeriod)
s := server.NewAdminServer(adminAPI, krot, adminAPISecret.String())
h := s.HTTPHandler()
httpsrv := &http.Server{
Addr: adminURL.Host,
Handler: h,
}
gc := db.NewGarbageCollector(dbc, *gcInterval)
log.Infof("Binding to %s...", httpsrv.Addr)
go func() {
log.Fatal(httpsrv.ListenAndServe())
}()
gc.Run()
<-krot.Run()
}
func main() {
fs := flag.NewFlagSet("dex-worker", flag.ExitOnError)
listen := fs.String("listen", "http://127.0.0.1:5556", "the address that the server will listen on")
issuer := fs.String("issuer", "http://127.0.0.1:5556", "the issuer's location")
certFile := fs.String("tls-cert-file", "", "the server's certificate file for TLS connection")
keyFile := fs.String("tls-key-file", "", "the server's private key file for TLS connection")
templates := fs.String("html-assets", "./static/html", "directory of html template files")
emailTemplateDirs := flagutil.StringSliceFlag{"./static/email"}
fs.Var(&emailTemplateDirs, "email-templates", "comma separated list of directories of email template files")
emailFrom := fs.String("email-from", "", "emails sent from dex will come from this address")
emailConfig := fs.String("email-cfg", "./static/fixtures/emailer.json", "configures emailer.")
enableRegistration := fs.Bool("enable-registration", false, "Allows users to self-register")
noDB := fs.Bool("no-db", false, "manage entities in-process w/o any encryption, used only for single-node testing")
// UI-related:
issuerName := fs.String("issuer-name", "dex", "The name of this dex installation; will appear on most pages.")
issuerLogoURL := fs.String("issuer-logo-url", "https://coreos.com/assets/images/brand/coreos-wordmark-135x40px.png", "URL of an image representing the issuer")
// ignored if --no-db is set
dbURL := fs.String("db-url", "", "DSN-formatted database connection string")
keySecrets := pflag.NewBase64List(32)
fs.Var(keySecrets, "key-secrets", "A comma-separated list of base64 encoded 32 byte strings used as symmetric keys used to encrypt/decrypt signing key data in DB. The first key is considered the active key and used for encryption, while the others are used to decrypt.")
useOldFormat := fs.Bool("use-deprecated-secret-format", false, "In prior releases, the database used AES-CBC to encrypt keys. New deployments should use the default AES-GCM encryption.")
dbMaxIdleConns := fs.Int("db-max-idle-conns", 0, "maximum number of connections in the idle connection pool")
dbMaxOpenConns := fs.Int("db-max-open-conns", 0, "maximum number of open connections to the database")
// used only if --no-db is set
connectors := fs.String("connectors", "./static/fixtures/connectors.json", "JSON file containg set of IDPC configs")
clients := fs.String("clients", "./static/fixtures/clients.json", "json file containing set of clients")
users := fs.String("users", "./static/fixtures/users.json", "json file containing set of users")
logDebug := fs.Bool("log-debug", false, "log debug-level information")
logTimestamps := fs.Bool("log-timestamps", false, "prefix log lines with timestamps")
if err := fs.Parse(os.Args[1:]); err != nil {
fmt.Fprintln(os.Stderr, err.Error())
os.Exit(1)
}
if err := pflag.SetFlagsFromEnv(fs, "DEX_WORKER"); err != nil {
fmt.Fprintln(os.Stderr, err.Error())
os.Exit(1)
}
if *logDebug {
log.EnableDebug()
log.Infof("Debug logging enabled.")
log.Debugf("Debug logging enabled.")
}
if *logTimestamps {
log.EnableTimestamps()
}
// Validate listen address.
lu, err := url.Parse(*listen)
if err != nil {
log.Fatalf("Invalid listen address %q: %v", *listen, err)
}
switch lu.Scheme {
case "http":
case "https":
if *certFile == "" || *keyFile == "" {
log.Fatalf("Must provide certificate file and private key file")
}
default:
log.Fatalf("Only 'http' and 'https' schemes are supported")
}
// Validate issuer address.
iu, err := url.Parse(*issuer)
if err != nil {
log.Fatalf("Invalid issuer URL %q: %v", *issuer, err)
}
if iu.Scheme != "http" && iu.Scheme != "https" {
log.Fatalf("Only 'http' and 'https' schemes are supported")
}
scfg := server.ServerConfig{
IssuerURL: *issuer,
TemplateDir: *templates,
EmailTemplateDirs: emailTemplateDirs,
EmailFromAddress: *emailFrom,
EmailerConfigFile: *emailConfig,
IssuerName: *issuerName,
IssuerLogoURL: *issuerLogoURL,
EnableRegistration: *enableRegistration,
}
if *noDB {
log.Warning("Running in-process without external database or key rotation")
scfg.StateConfig = &server.SingleServerConfig{
ClientsFile: *clients,
ConnectorsFile: *connectors,
UsersFile: *users,
}
} else {
if len(keySecrets.BytesSlice()) == 0 {
log.Fatalf("Must specify at least one key secret")
}
if *dbMaxIdleConns == 0 {
log.Warning("Running with no limit on: database idle connections")
}
if *dbMaxOpenConns == 0 {
log.Warning("Running with no limit on: database open connections")
}
dbCfg := db.Config{
DSN: *dbURL,
MaxIdleConnections: *dbMaxIdleConns,
MaxOpenConnections: *dbMaxOpenConns,
}
scfg.StateConfig = &server.MultiServerConfig{
KeySecrets: keySecrets.BytesSlice(),
DatabaseConfig: dbCfg,
UseOldFormat: *useOldFormat,
}
}
srv, err := scfg.Server()
if err != nil {
log.Fatalf("Unable to build Server: %v", err)
}
var cfgs []connector.ConnectorConfig
var sleep time.Duration
for {
var err error
cfgs, err = srv.ConnectorConfigRepo.All()
if len(cfgs) > 0 && err == nil {
break
}
sleep = ptime.ExpBackoff(sleep, 8*time.Second)
if err != nil {
log.Errorf("Unable to load connectors, retrying in %v: %v", sleep, err)
} else {
log.Errorf("No connectors, will wait. Retrying in %v.", sleep)
}
time.Sleep(sleep)
}
for _, cfg := range cfgs {
cfg := cfg
if err = srv.AddConnector(cfg); err != nil {
log.Fatalf("Failed registering connector: %v", err)
}
}
h := srv.HTTPHandler()
h = handlers.LoggingHandler(log.InfoWriter(), h)
httpsrv := &http.Server{
Addr: lu.Host,
Handler: h,
}
log.Infof("Binding to %s...", httpsrv.Addr)
go func() {
if lu.Scheme == "http" {
log.Fatal(httpsrv.ListenAndServe())
} else {
log.Fatal(httpsrv.ListenAndServeTLS(*certFile, *keyFile))
}
}()
<-srv.Run()
}