// New Go Routine based server with auth
func RunServerWithAuth(opts *server.Options, auth server.Auth) *server.Server {
if opts == nil {
opts = &DefaultTestOptions
}
s := server.New(opts)
if s == nil {
panic("No NATS Server object returned.")
}
if auth != nil {
s.SetAuthMethod(auth)
}
// Run server in Go routine.
go s.Start()
end := time.Now().Add(10 * time.Second)
for time.Now().Before(end) {
addr := s.Addr()
if addr == nil {
time.Sleep(50 * time.Millisecond)
// Retry. We might take a little while to open a connection.
continue
}
conn, err := net.Dial("tcp", addr.String())
if err != nil {
// Retry after 50ms
time.Sleep(50 * time.Millisecond)
continue
}
conn.Close()
return s
}
panic("Unable to start NATS Server in Go Routine")
}
/*
cliOpts : extra options
configFile : gnatsd config file
routes : cluster members
*/
func NewGnatsdServer(cliOpts server.Options, configFile string, routeHosts []string, log server.Logger) (s *server.Server, opts *server.Options, err error) {
log.Noticef("gnatsd config file: %s\n", configFile)
// Configure options based on config file
if opts, err = configureServerOptions(&cliOpts, configFile, routeHosts); err != nil {
return
}
log.Debugf("Adding routes: %v\n", opts.Routes)
// Create the server with appropriate options.
s = server.New(opts)
// Configure the authentication mechanism
configureAuth(s, opts)
s.SetLogger(log, opts.Debug, opts.Trace)
return
}
// RunServerWithAuth starts a new Go routine based server with auth
func RunServerWithAuth(opts *server.Options, auth server.Auth) *server.Server {
if opts == nil {
opts = &DefaultTestOptions
}
s := server.New(opts)
if s == nil {
panic("No NATS Server object returned.")
}
if auth != nil {
s.SetClientAuthMethod(auth)
}
// Run server in Go routine.
go s.Start()
end := time.Now().Add(10 * time.Second)
for time.Now().Before(end) {
addr := s.GetListenEndpoint()
if addr == "" {
time.Sleep(50 * time.Millisecond)
// Retry. We might take a little while to open a connection.
continue
}
conn, err := net.Dial("tcp", addr)
if err != nil {
// Retry after 50ms
time.Sleep(50 * time.Millisecond)
continue
}
conn.Close()
// Wait a bit to give a chance to the server to remove this
// "client" from its state, which may otherwise interfere with
// some tests.
time.Sleep(25 * time.Millisecond)
return s
}
panic("Unable to start NATS Server in Go Routine")
}
// RunServerWithAuth starts a new Go routine based server with auth
func RunServerWithAuth(opts *server.Options, auth server.Auth) *server.Server {
if opts == nil {
opts = &DefaultTestOptions
}
s := server.New(opts)
if s == nil {
panic("No NATS Server object returned.")
}
if auth != nil {
s.SetClientAuthMethod(auth)
}
// Run server in Go routine.
go s.Start()
// Wait for accept loop(s) to be started
if !s.ReadyForConnections(10 * time.Second) {
panic("Unable to start NATS Server in Go Routine")
}
return s
}
func main() {
// Server Options
opts := server.Options{}
var showVersion bool
var debugAndTrace bool
var configFile string
var showTLSHelp bool
// Parse flags
flag.IntVar(&opts.Port, "port", 0, "Port to listen on.")
flag.IntVar(&opts.Port, "p", 0, "Port to listen on.")
flag.StringVar(&opts.Host, "addr", "", "Network host to listen on.")
flag.StringVar(&opts.Host, "a", "", "Network host to listen on.")
flag.StringVar(&opts.Host, "net", "", "Network host to listen on.")
flag.BoolVar(&opts.Debug, "D", false, "Enable Debug logging.")
flag.BoolVar(&opts.Debug, "debug", false, "Enable Debug logging.")
flag.BoolVar(&opts.Trace, "V", false, "Enable Trace logging.")
flag.BoolVar(&opts.Trace, "trace", false, "Enable Trace logging.")
flag.BoolVar(&debugAndTrace, "DV", false, "Enable Debug and Trace logging.")
flag.BoolVar(&opts.Logtime, "T", true, "Timestamp log entries.")
flag.BoolVar(&opts.Logtime, "logtime", true, "Timestamp log entries.")
flag.StringVar(&opts.Username, "user", "", "Username required for connection.")
flag.StringVar(&opts.Password, "pass", "", "Password required for connection.")
flag.StringVar(&opts.Authorization, "auth", "", "Authorization token required for connection.")
flag.IntVar(&opts.HTTPPort, "m", 0, "HTTP Port for /varz, /connz endpoints.")
flag.IntVar(&opts.HTTPPort, "http_port", 0, "HTTP Port for /varz, /connz endpoints.")
flag.IntVar(&opts.HTTPSPort, "ms", 0, "HTTPS Port for /varz, /connz endpoints.")
flag.IntVar(&opts.HTTPSPort, "https_port", 0, "HTTPS Port for /varz, /connz endpoints.")
flag.StringVar(&configFile, "c", "", "Configuration file.")
flag.StringVar(&configFile, "config", "", "Configuration file.")
flag.StringVar(&opts.PidFile, "P", "", "File to store process pid.")
flag.StringVar(&opts.PidFile, "pid", "", "File to store process pid.")
flag.StringVar(&opts.LogFile, "l", "", "File to store logging output.")
flag.StringVar(&opts.LogFile, "log", "", "File to store logging output.")
flag.BoolVar(&opts.Syslog, "s", false, "Enable syslog as log method.")
flag.BoolVar(&opts.Syslog, "syslog", false, "Enable syslog as log method..")
flag.StringVar(&opts.RemoteSyslog, "r", "", "Syslog server addr (udp://localhost:514).")
flag.StringVar(&opts.RemoteSyslog, "remote_syslog", "", "Syslog server addr (udp://localhost:514).")
flag.BoolVar(&showVersion, "version", false, "Print version information.")
flag.BoolVar(&showVersion, "v", false, "Print version information.")
flag.IntVar(&opts.ProfPort, "profile", 0, "Profiling HTTP port")
flag.StringVar(&opts.RoutesStr, "routes", "", "Routes to actively solicit a connection.")
flag.StringVar(&opts.ClusterListenStr, "cluster", "", "Cluster url from which members can solicit routes.")
flag.StringVar(&opts.ClusterListenStr, "cluster_listen", "", "Cluster url from which members can solicit routes.")
flag.BoolVar(&showTLSHelp, "help_tls", false, "TLS help.")
flag.BoolVar(&opts.TLS, "tls", false, "Enable TLS.")
flag.BoolVar(&opts.TLSVerify, "tlsverify", false, "Enable TLS with client verification.")
flag.StringVar(&opts.TLSCert, "tlscert", "", "Server certificate file.")
flag.StringVar(&opts.TLSKey, "tlskey", "", "Private key for server certificate.")
flag.StringVar(&opts.TLSCaCert, "tlscacert", "", "Client certificate CA for verification.")
flag.Usage = usage
flag.Parse()
// Show version and exit
if showVersion {
server.PrintServerAndExit()
}
if showTLSHelp {
server.PrintTLSHelpAndDie()
}
// One flag can set multiple options.
if debugAndTrace {
opts.Trace, opts.Debug = true, true
}
// Process args looking for non-flag options,
// 'version' and 'help' only for now
for _, arg := range flag.Args() {
switch strings.ToLower(arg) {
case "version":
server.PrintServerAndExit()
case "help":
usage()
}
}
// Parse config if given
if configFile != "" {
fileOpts, err := server.ProcessConfigFile(configFile)
if err != nil {
server.PrintAndDie(err.Error())
}
opts = *server.MergeOptions(fileOpts, &opts)
}
// Remove any host/ip that points to itself in Route
newroutes, err := server.RemoveSelfReference(opts.ClusterPort, opts.Routes)
if err != nil {
server.PrintAndDie(err.Error())
}
opts.Routes = newroutes
// Configure TLS based on any present flags
configureTLS(&opts)
// Configure cluster opts if explicitly set via flags.
err = configureClusterOpts(&opts)
if err != nil {
server.PrintAndDie(err.Error())
}
// Create the server with appropriate options.
s := server.New(&opts)
// Configure the authentication mechanism
configureAuth(s, &opts)
// Configure the logger based on the flags
configureLogger(s, &opts)
// Start things up. Block here until done.
s.Start()
}
func TestStressChainedSolicitWorks(t *testing.T) {
s1, opts := runSeedServer(t)
defer s1.Shutdown()
// Create the routes string for s2 to connect to the seed
routesStr := fmt.Sprintf("nats-route://%s:%d/", opts.Cluster.Host, opts.Cluster.Port)
s2Opts := nextServerOpts(opts)
s2Opts.Routes = server.RoutesFromStr(routesStr)
s3Opts := nextServerOpts(s2Opts)
// Create the routes string for s3 to connect to s2
routesStr = fmt.Sprintf("nats-route://%s:%d/", s2Opts.Cluster.Host, s2Opts.Cluster.Port)
s3Opts.Routes = server.RoutesFromStr(routesStr)
s4Opts := nextServerOpts(s3Opts)
// Create the routes string for s4 to connect to s3
routesStr = fmt.Sprintf("nats-route://%s:%d/", s3Opts.Cluster.Host, s3Opts.Cluster.Port)
s4Opts.Routes = server.RoutesFromStr(routesStr)
for i := 0; i < 10; i++ {
func() {
// Run these servers manually, because we want them to start and
// connect to s1 as fast as possible.
s2 := server.New(s2Opts)
if s2 == nil {
panic("No NATS Server object returned.")
}
defer s2.Shutdown()
go s2.Start()
s3 := server.New(s3Opts)
if s3 == nil {
panic("No NATS Server object returned.")
}
defer s3.Shutdown()
go s3.Start()
s4 := server.New(s4Opts)
if s4 == nil {
panic("No NATS Server object returned.")
}
defer s4.Shutdown()
go s4.Start()
serversInfo := []serverInfo{{s1, opts}, {s2, s2Opts}, {s3, s3Opts}, {s4, s4Opts}}
var err error
maxTime := time.Now().Add(5 * time.Second)
for time.Now().Before(maxTime) {
resetPreviousHTTPConnections()
for j := 0; j < len(serversInfo); j++ {
err = checkConnected(t, serversInfo, j, false)
// If error, start this for loop from beginning
if err != nil {
// Sleep a bit before the next attempt
time.Sleep(100 * time.Millisecond)
break
}
}
// All servers checked ok, we are done, otherwise, try again
// until time is up
if err == nil {
break
}
}
// Report error
if err != nil {
t.Fatalf("Error: %v", err)
}
}()
maxTime := time.Now().Add(2 * time.Second)
for time.Now().Before(maxTime) {
if s1.NumRoutes() > 0 {
time.Sleep(10 * time.Millisecond)
} else {
break
}
}
}
}
func main() {
// Server Options
opts := server.Options{}
var showVersion bool
var debugAndTrace bool
var configFile string
// Parse flags
flag.IntVar(&opts.Port, "port", 0, "Port to listen on.")
flag.IntVar(&opts.Port, "p", 0, "Port to listen on.")
flag.StringVar(&opts.Host, "addr", "", "Network host to listen on.")
flag.StringVar(&opts.Host, "a", "", "Network host to listen on.")
flag.StringVar(&opts.Host, "net", "", "Network host to listen on.")
flag.BoolVar(&opts.Debug, "D", false, "Enable Debug logging.")
flag.BoolVar(&opts.Debug, "debug", false, "Enable Debug logging.")
flag.BoolVar(&opts.Trace, "V", false, "Enable Trace logging.")
flag.BoolVar(&opts.Trace, "trace", false, "Enable Trace logging.")
flag.BoolVar(&debugAndTrace, "DV", false, "Enable Debug and Trace logging.")
flag.BoolVar(&opts.Logtime, "T", true, "Timestamp log entries.")
flag.BoolVar(&opts.Logtime, "logtime", true, "Timestamp log entries.")
flag.StringVar(&opts.Username, "user", "", "Username required for connection.")
flag.StringVar(&opts.Password, "pass", "", "Password required for connection.")
flag.StringVar(&opts.Authorization, "auth", "", "Authorization token required for connection.")
flag.IntVar(&opts.HTTPPort, "m", 0, "HTTP Port for /varz, /connz endpoints.")
flag.IntVar(&opts.HTTPPort, "http_port", 0, "HTTP Port for /varz, /connz endpoints.")
flag.StringVar(&configFile, "c", "", "Configuration file.")
flag.StringVar(&configFile, "config", "", "Configuration file.")
flag.StringVar(&opts.PidFile, "P", "", "File to store process pid.")
flag.StringVar(&opts.PidFile, "pid", "", "File to store process pid.")
flag.StringVar(&opts.LogFile, "l", "", "File to store logging output.")
flag.StringVar(&opts.LogFile, "log", "", "File to store logging output.")
flag.BoolVar(&opts.Syslog, "s", false, "Enable syslog as log method.")
flag.BoolVar(&opts.Syslog, "syslog", false, "Enable syslog as log method..")
flag.StringVar(&opts.RemoteSyslog, "r", "", "Syslog server addr (udp://localhost:514).")
flag.StringVar(&opts.RemoteSyslog, "remote_syslog", "", "Syslog server addr (udp://localhost:514).")
flag.BoolVar(&showVersion, "version", false, "Print version information.")
flag.BoolVar(&showVersion, "v", false, "Print version information.")
flag.IntVar(&opts.ProfPort, "profile", 0, "Profiling HTTP port")
flag.StringVar(&opts.RoutesStr, "routes", "", "Routes to actively solicit a connection.")
// Not public per se, will be replaced with dynamic system, but can be used to lower memory footprint when
// lots of connections present.
flag.IntVar(&opts.BufSize, "bs", 0, "Read/Write buffer size per client connection.")
flag.Usage = server.Usage
flag.Parse()
// Show version and exit
if showVersion {
server.PrintServerAndExit()
}
// One flag can set multiple options.
if debugAndTrace {
opts.Trace, opts.Debug = true, true
}
// Process args looking for non-flag options,
// 'version' and 'help' only for now
for _, arg := range flag.Args() {
switch strings.ToLower(arg) {
case "version":
server.PrintServerAndExit()
case "help":
server.Usage()
}
}
// Parse config if given
if configFile != "" {
fileOpts, err := server.ProcessConfigFile(configFile)
if err != nil {
server.PrintAndDie(err.Error())
}
opts = *server.MergeOptions(fileOpts, &opts)
}
// Remove any host/ip that points to itself in Route
newroutes, err := server.RemoveSelfReference(opts.ClusterPort, opts.Routes)
if err != nil {
server.PrintAndDie(err.Error())
}
opts.Routes = newroutes
// Create the server with appropriate options.
s := server.New(&opts)
// Configure the authentication mechanism
configureAuth(s, &opts)
// Configure the logger based on the flags
configureLogger(s, &opts)
// Start things up. Block here until done.
s.Start()
}