main.go

/*
 * Copyright 2018 Splunk, Inc..
 *
 * 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 main

import (
	"fmt"
	"os"

	"github.com/Sirupsen/logrus"
	"github.com/docker/go-plugins-helpers/sdk"
)

const socketAddress = "/run/docker/plugins/splunklog.sock"

var logLevels = map[string]logrus.Level{
	"debug": logrus.DebugLevel,
	"info":  logrus.InfoLevel,
	"warn":  logrus.WarnLevel,
	"error": logrus.ErrorLevel,
}

func main() {
	levelVal := os.Getenv("LOG_LEVEL")
	if levelVal == "" {
		levelVal = "info"
	}
	if level, exists := logLevels[levelVal]; exists {
		logrus.SetLevel(level)
	} else {
		fmt.Fprintln(os.Stderr, "invalid log level: ", levelVal)
		os.Exit(1)
	}

	h := sdk.NewHandler(`{"Implements": ["LoggingDriver"]}`)
	handlers(&h, newDriver())
	if err := h.ServeUnix(socketAddress, 0); err != nil {
		panic(err)
	}
}