/
main.go
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/
main.go
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// Copyright (c) 2017 Cisco and/or its affiliates.
//
// 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.
// Package vpp-agent implements the main entry point into the VPP Agent
// and it is used to build the VPP Agent executable.
package main
import (
"fmt"
"log"
"os"
"time"
"github.com/ligato/cn-infra/agent"
"github.com/ligato/cn-infra/datasync/kvdbsync"
"github.com/ligato/cn-infra/datasync/resync"
"github.com/ligato/cn-infra/logging"
"github.com/ligato/vpp-agent/cmd/vpp-agent/app"
"github.com/ligato/vpp-agent/pkg/debug"
)
const logo = ` __
_ _____ ___ _______ ____ ____ ___ / /_
| |/ / _ \/ _ /___/ _ '/ _ '/ -_/ _ / __/
|___/ .__/ .__/ \_'_/\_' /\__/_//_\__/ %s
/_/ /_/ /___/
`
var (
startTimeout = agent.DefaultStartTimeout
stopTimeout = agent.DefaultStopTimeout
resyncTimeout = time.Second * 10
)
func main() {
fmt.Fprintf(os.Stdout, logo, agent.BuildVersion)
if debug.IsEnabled() {
logging.DefaultLogger.SetLevel(logging.DebugLevel)
logging.DefaultLogger.Debug("DEBUG ENABLED")
defer debug.Start().Stop()
}
vppAgent := app.New()
a := agent.NewAgent(
agent.AllPlugins(vppAgent),
agent.StartTimeout(startTimeout),
agent.StopTimeout(stopTimeout),
)
if err := a.Run(); err != nil {
logging.DefaultLogger.Fatal(err)
}
}
func init() {
// Overrides for start/stop timeouts of agent
if t := os.Getenv("START_TIMEOUT"); t != "" {
dur, err := time.ParseDuration(t)
if err != nil {
log.Fatalf("Invalid duration (%s) for start timeout!", t)
} else {
log.Printf("setting agent start timeout to: %v (via START_TIMEOUT)", dur)
startTimeout = dur
}
}
if t := os.Getenv("STOP_TIMEOUT"); t != "" {
dur, err := time.ParseDuration(t)
if err != nil {
log.Fatalf("Invalid duration (%s) for stop timeout!", t)
} else {
log.Printf("setting agent stop timeout to: %v (via STOP_TIMEOUT)", dur)
stopTimeout = dur
}
}
// Override resync timeouts
if t := os.Getenv("RESYNC_TIMEOUT"); t != "" {
dur, err := time.ParseDuration(t)
if err != nil {
log.Fatalf("Invalid duration (%s) for resync timeout!", t)
} else {
log.Printf("setting resync timeout to: %v (via RESYNC_TIMEOUT)", dur)
resyncTimeout = dur
}
}
kvdbsync.ResyncDoneTimeout = resyncTimeout
resync.SingleResyncAckTimeout = resyncTimeout
}