mirror of
https://github.com/ClusterCockpit/cc-backend
synced 2024-09-20 11:27:26 +02:00
83 lines
1.6 KiB
Go
83 lines
1.6 KiB
Go
// Copyright (C) 2022 NHR@FAU, University Erlangen-Nuremberg.
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// All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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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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"log"
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"os"
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"github.com/ClusterCockpit/cc-backend/internal/scheduler"
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"github.com/nats-io/nats.go"
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)
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func usage() {
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log.Printf("Usage: nats-pub [-s server] [-creds file] <subject> <msg>\n")
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flag.PrintDefaults()
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}
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func showUsageAndExit(exitcode int) {
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usage()
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os.Exit(exitcode)
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}
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func setupPublisher() {
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var urls = flag.String("s", nats.DefaultURL, "The nats server URLs (separated by comma)")
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var userCreds = flag.String("creds", "", "User Credentials File")
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var showHelp = flag.Bool("h", false, "Show help message")
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log.SetFlags(0)
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flag.Usage = usage
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flag.Parse()
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if *showHelp {
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showUsageAndExit(0)
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}
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args := flag.Args()
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if len(args) != 2 {
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showUsageAndExit(1)
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}
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fmt.Printf("Hello Nats\n")
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// Connect Options.
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opts := []nats.Option{nats.Name("NATS Sample Publisher")}
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// Use UserCredentials
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if *userCreds != "" {
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opts = append(opts, nats.UserCredentials(*userCreds))
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}
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// Connect to NATS
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nc, err := nats.Connect(*urls, opts...)
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if err != nil {
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log.Fatal(err)
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}
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defer nc.Close()
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subj, msg := args[0], []byte(args[1])
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nc.Publish(subj, msg)
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nc.Flush()
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if err := nc.LastError(); err != nil {
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log.Fatal(err)
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} else {
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log.Printf("Published [%s] : '%s'\n", subj, msg)
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}
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os.Exit(0)
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}
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func main() {
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cfgData := []byte(`{"target": "localhost"}`)
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var sch scheduler.SlurmNatsScheduler
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// sch.URL = "nats://127.0.0.1:1223"
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sch.Init(cfgData)
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os.Exit(0)
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}
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