/
main.go
66 lines (56 loc) · 1.19 KB
/
main.go
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package main
import (
"context"
"fmt"
"github.com/dev-services42/leader-election-lib/leader-election"
"github.com/dev-services42/leader-election-lib/leader-election/keys"
"github.com/dev-services42/leader-election-lib/leader-election/sessions"
"github.com/hashicorp/consul/api"
"go.uber.org/zap"
"os"
"time"
)
const (
ttl = 30 * time.Second
sessionName = "services/my-service/leader"
keyName = sessionName
)
func main() {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
logger, err := zap.NewDevelopment()
if err != nil {
panic(err)
}
config := api.DefaultConfig() // Create a new api client config
config.Address = os.Getenv("CONSUL_ADDR")
consul, err := api.NewClient(config) // Create a Consul api client
if err != nil {
panic(err)
}
sess, err := sessions.New(logger, consul)
if err != nil {
panic(err)
}
sKeys, err := keys.New(logger, consul, 10*time.Second)
if err != nil {
panic(err)
}
srv, err := election.New(
logger,
consul,
sess,
sKeys,
ttl,
sessionName,
keyName,
)
if err != nil {
panic(err)
}
masterCh := srv.RunLeaderElection(ctx)
for master := range masterCh {
fmt.Println(master)
}
<-make(chan int)
}