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minio/config-logger-main.go

156 lines
4.7 KiB

/*
* Minio Cloud Storage, (C) 2015 Minio, 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 (
"runtime"
"github.com/minio/cli"
"github.com/minio/minio-xl/pkg/probe"
)
// Configure logger
var configLoggerCmd = cli.Command{
Name: "logger",
Usage: "Configure logger.",
Action: mainConfigLogger,
CustomHelpTemplate: `NAME:
minio config {{.Name}} - {{.Usage}}
USAGE:
minio config {{.Name}} OPERATION [ARGS...]
OPERATION = add | list | remove
EXAMPLES:
1. Configure new mongo logger.
$ minio config {{.Name}} add mongo localhost:28710 mydb mylogger
2. Configure new syslog logger. NOTE: syslog logger is not supported on windows.
$ minio config {{.Name}} add syslog localhost:554 udp
3. Configure new file logger. "/var/log" should be writable by user.
$ minio config {{.Name}} add file /var/log/minio.log
4. List currently configured logger.
$ minio config {{.Name}} list
5. Remove/Reset a configured logger.
$ minio config {{.Name}} remove mongo
`,
}
// Inherit at one place
type config struct {
*configV2
}
func mainConfigLogger(ctx *cli.Context) {
if !ctx.Args().Present() || ctx.Args().First() == "help" {
cli.ShowCommandHelpAndExit(ctx, "logger", 1) // last argument is exit code
}
conf, err := loadConfigV2()
fatalIf(err.Trace(), "Unable to load config", nil)
if ctx.Args().Get(0) == "add" {
args := ctx.Args().Tail()
if args.Get(0) == "mongo" {
enableLog2Mongo(&config{conf}, args.Tail())
}
if args.Get(0) == "syslog" {
if runtime.GOOS == "windows" {
fatalIf(probe.NewError(errInvalidArgument), "Syslog is not supported on windows.", nil)
}
enableLog2Syslog(&config{conf}, args.Tail())
}
if args.Get(0) == "file" {
enableLog2File(&config{conf}, args.Tail())
}
}
if ctx.Args().Get(0) == "remove" {
args := ctx.Args().Tail()
if args.Get(0) == "mongo" {
conf.MongoLogger.Addr = ""
conf.MongoLogger.DB = ""
conf.MongoLogger.Collection = ""
err := saveConfig(conf)
fatalIf(err.Trace(), "Unable to save config.", nil)
}
if args.Get(0) == "syslog" {
if runtime.GOOS == "windows" {
fatalIf(probe.NewError(errInvalidArgument), "Syslog is not supported on windows.", nil)
}
conf.SyslogLogger.Network = ""
conf.SyslogLogger.Addr = ""
err := saveConfig(conf)
fatalIf(err.Trace(), "Unable to save config.", nil)
}
if args.Get(0) == "file" {
conf.FileLogger.Filename = ""
err := saveConfig(conf)
fatalIf(err.Trace(), "Unable to save config.", nil)
}
}
if ctx.Args().Get(0) == "list" {
if globalJSONFlag {
Println(conf.JSON())
return
}
Println(conf)
}
}
func enableLog2Mongo(conf *config, args cli.Args) {
if conf.IsFileLoggingEnabled() {
fatalIf(probe.NewError(errInvalidArgument), "File logging already enabled. Please remove before enabling mongo.", nil)
}
if conf.IsSysloggingEnabled() {
fatalIf(probe.NewError(errInvalidArgument), "Syslog logging already enabled. Please remove before enabling mongo.", nil)
}
conf.MongoLogger.Addr = args.Get(0)
conf.MongoLogger.DB = args.Get(1)
conf.MongoLogger.Collection = args.Get(2)
err := saveConfig(conf.configV2)
fatalIf(err.Trace(), "Unable to save config.", nil)
}
func enableLog2Syslog(conf *config, args cli.Args) {
if conf.IsFileLoggingEnabled() {
fatalIf(probe.NewError(errInvalidArgument), "File logging already enabled. Please remove before enabling syslog.", nil)
}
if conf.IsMongoLoggingEnabled() {
fatalIf(probe.NewError(errInvalidArgument), "Mongo logging already enabled. Please remove before enabling syslog.", nil)
}
conf.SyslogLogger.Addr = args.Get(0)
conf.SyslogLogger.Network = args.Get(1)
err := saveConfig(conf.configV2)
fatalIf(err.Trace(), "Unable to save config.", nil)
}
func enableLog2File(conf *config, args cli.Args) {
if conf.IsSysloggingEnabled() {
fatalIf(probe.NewError(errInvalidArgument), "Syslog logging already enabled. Please remove before enabling file.", nil)
}
if conf.IsMongoLoggingEnabled() {
fatalIf(probe.NewError(errInvalidArgument), "Mongo logging already enabled. Please remove before enabling file.", nil)
}
conf.FileLogger.Filename = args.Get(0)
err := saveConfig(conf.configV2)
fatalIf(err.Trace(), "Unable to save config.", nil)
}