mirror of
https://github.com/gogrlx/nats-server.git
synced 2026-04-02 03:38:42 -07:00
113 lines
4.1 KiB
Go
113 lines
4.1 KiB
Go
// Copyright 2012-2019 The NATS Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package main
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import (
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"flag"
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"fmt"
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"os"
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"github.com/nats-io/nats-server/v2/server"
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)
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var usageStr = `
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Usage: nats-server [options]
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Server Options:
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-a, --addr <host> Bind to host address (default: 0.0.0.0)
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-p, --port <port> Use port for clients (default: 4222)
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-P, --pid <file> File to store PID
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-m, --http_port <port> Use port for http monitoring
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-ms,--https_port <port> Use port for https monitoring
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-c, --config <file> Configuration file
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-sl,--signal <signal>[=<pid>] Send signal to nats-server process (stop, quit, reopen, reload)
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<pid> can be either a PID (e.g. 1) or the path to a PID file (e.g. /var/run/nats-server.pid)
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--client_advertise <string> Client URL to advertise to other servers
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-t Test configuration and exit
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Logging Options:
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-l, --log <file> File to redirect log output
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-T, --logtime Timestamp log entries (default: true)
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-s, --syslog Log to syslog or windows event log
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-r, --remote_syslog <addr> Syslog server addr (udp://localhost:514)
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-D, --debug Enable debugging output
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-V, --trace Trace the raw protocol
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-DV Debug and trace
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Authorization Options:
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--user <user> User required for connections
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--pass <password> Password required for connections
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--auth <token> Authorization token required for connections
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TLS Options:
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--tls Enable TLS, do not verify clients (default: false)
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--tlscert <file> Server certificate file
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--tlskey <file> Private key for server certificate
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--tlsverify Enable TLS, verify client certificates
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--tlscacert <file> Client certificate CA for verification
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Cluster Options:
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--routes <rurl-1, rurl-2> Routes to solicit and connect
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--cluster <cluster-url> Cluster URL for solicited routes
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--no_advertise <bool> Advertise known cluster IPs to clients
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--cluster_advertise <string> Cluster URL to advertise to other servers
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--connect_retries <number> For implicit routes, number of connect retries
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Common Options:
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-h, --help Show this message
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-v, --version Show version
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--help_tls TLS help
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`
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// usage will print out the flag options for the server.
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func usage() {
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fmt.Printf("%s\n", usageStr)
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os.Exit(0)
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}
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func main() {
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exe := "nats-server"
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// Create a FlagSet and sets the usage
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fs := flag.NewFlagSet(exe, flag.ExitOnError)
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fs.Usage = usage
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// Configure the options from the flags/config file
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opts, err := server.ConfigureOptions(fs, os.Args[1:],
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server.PrintServerAndExit,
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fs.Usage,
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server.PrintTLSHelpAndDie)
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if err != nil {
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server.PrintAndDie(fmt.Sprintf("%s: %s", exe, err))
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} else if opts.CheckConfig {
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fmt.Fprintf(os.Stderr, "%s: configuration file %s is valid\n", exe, opts.ConfigFile)
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os.Exit(0)
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}
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// Create the server with appropriate options.
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s, err := server.NewServer(opts)
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if err != nil {
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server.PrintAndDie(fmt.Sprintf("%s: %s", exe, err))
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}
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// Configure the logger based on the flags
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s.ConfigureLogger()
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// Start things up. Block here until done.
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if err := server.Run(s); err != nil {
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server.PrintAndDie(err.Error())
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}
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}
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