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main.go
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main.go
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package main
//
//Copyright 2019 Telenor Digital AS
//
//Licensed under the Apache License, Version 2.0 (the "License");
//you may not use this file except in compliance with the License.
//You may obtain a copy of the License at
//
//http://www.apache.org/licenses/LICENSE-2.0
//
//Unless required by applicable law or agreed to in writing, software
//distributed under the License is distributed on an "AS IS" BASIS,
//WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//See the License for the specific language governing permissions and
//limitations under the License.
//
import (
"flag"
"fmt"
"math/rand"
"time"
"github.com/lab5e/clusterfunk/pkg/lg"
"github.com/lab5e/clusterfunk/pkg/toolbox"
gotoolbox "github.com/lab5e/gotoolbox/toolbox"
)
func registerService(name string) {
lg.Info("Registering service")
reg := toolbox.NewZeroconfRegistry(name)
if err := reg.Register("node", fmt.Sprintf("%08x", rand.Int()), int(rand.Int31n(31000))+1001); err != nil {
lg.Error("Error registering service: %v", err)
return
}
gotoolbox.WaitForSignal()
reg.Shutdown()
}
func browseService(name string) {
lg.Info("Browse service")
reg := toolbox.NewZeroconfRegistry(name)
results, err := reg.Resolve("node", 2*time.Second)
if err != nil {
lg.Error("Error browsing for zeroconf: %v", err)
return
}
for i := range results {
lg.Info("Item: %s", results[i])
}
}
func main() {
register := flag.Bool("register", true, "Register in Zeroconf")
cluster := flag.String("name", "demo-cluster", "Name of cluster")
flag.Parse()
if *register {
registerService(*cluster)
return
}
browseService(*cluster)
}