154 lines
3.6 KiB
Go
154 lines
3.6 KiB
Go
/*
|
||
* 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 (
|
||
"fmt"
|
||
"net/http"
|
||
"os"
|
||
"os/user"
|
||
"runtime"
|
||
"strconv"
|
||
"time"
|
||
|
||
"github.com/dustin/go-humanize"
|
||
"github.com/minio/cli"
|
||
)
|
||
|
||
var globalDebugFlag = false
|
||
|
||
func init() {
|
||
// Check for the environment early on and gracefuly report.
|
||
_, err := user.Current()
|
||
if err != nil {
|
||
Fatalf("Unable to obtain user's home directory. \nError: %s\n", err)
|
||
}
|
||
}
|
||
|
||
// Tries to get os/arch/platform specific information
|
||
// Returns a map of current os/arch/platform/memstats
|
||
func getSystemData() map[string]string {
|
||
host, err := os.Hostname()
|
||
if err != nil {
|
||
host = ""
|
||
}
|
||
memstats := &runtime.MemStats{}
|
||
runtime.ReadMemStats(memstats)
|
||
mem := fmt.Sprintf("Used: %s | Allocated: %s | Used-Heap: %s | Allocated-Heap: %s",
|
||
humanize.Bytes(memstats.Alloc),
|
||
humanize.Bytes(memstats.TotalAlloc),
|
||
humanize.Bytes(memstats.HeapAlloc),
|
||
humanize.Bytes(memstats.HeapSys))
|
||
platform := fmt.Sprintf("Host: %s | OS: %s | Arch: %s",
|
||
host,
|
||
runtime.GOOS,
|
||
runtime.GOARCH)
|
||
goruntime := fmt.Sprintf("Version: %s | CPUs: %s", runtime.Version(), strconv.Itoa(runtime.NumCPU()))
|
||
return map[string]string{
|
||
"PLATFORM": platform,
|
||
"RUNTIME": goruntime,
|
||
"MEM": mem,
|
||
}
|
||
}
|
||
|
||
func init() {
|
||
if _, err := user.Current(); err != nil {
|
||
Fatalf("Unable to determine current user. Reason: %s\n", err)
|
||
}
|
||
}
|
||
|
||
// getFormattedVersion -
|
||
func getFormattedVersion() string {
|
||
t, _ := time.Parse(time.RFC3339Nano, Version)
|
||
if t.IsZero() {
|
||
return ""
|
||
}
|
||
return t.Format(http.TimeFormat)
|
||
}
|
||
|
||
func registerApp() *cli.App {
|
||
// register all commands
|
||
registerCommand(donutCmd)
|
||
registerCommand(serverCmd)
|
||
registerCommand(controllerCmd)
|
||
registerCommand(versionCmd)
|
||
|
||
// register all flags
|
||
registerFlag(addressFlag)
|
||
registerFlag(addressMgmtFlag)
|
||
registerFlag(ratelimitFlag)
|
||
registerFlag(certFlag)
|
||
registerFlag(keyFlag)
|
||
registerFlag(debugFlag)
|
||
|
||
// set up app
|
||
app := cli.NewApp()
|
||
app.Name = "minio"
|
||
// hide --version flag, version is a command
|
||
app.HideVersion = true
|
||
app.Author = "Minio.io"
|
||
app.Usage = "Minio Cloud Storage"
|
||
app.Flags = flags
|
||
app.Commands = commands
|
||
|
||
app.CustomAppHelpTemplate = `NAME:
|
||
{{.Name}} - {{.Usage}}
|
||
|
||
USAGE:
|
||
{{.Name}} {{if .Flags}}[global flags] {{end}}command{{if .Flags}} [command flags]{{end}} [arguments...]
|
||
|
||
COMMANDS:
|
||
{{range .Commands}}{{join .Names ", "}}{{ "\t" }}{{.Usage}}
|
||
{{end}}{{if .Flags}}
|
||
GLOBAL FLAGS:
|
||
{{range .Flags}}{{.}}
|
||
{{end}}{{end}}
|
||
VERSION:
|
||
` + getFormattedVersion() +
|
||
`{{range $key, $value := ExtraInfo}}
|
||
{{$key}}:
|
||
{{$value}}
|
||
{{end}}
|
||
`
|
||
app.CommandNotFound = func(ctx *cli.Context, command string) {
|
||
Fatalf("Command not found: ‘%s’\n", command)
|
||
}
|
||
|
||
return app
|
||
}
|
||
|
||
func registerBefore(c *cli.Context) error {
|
||
globalDebugFlag = c.GlobalBool("debug")
|
||
return nil
|
||
}
|
||
|
||
func main() {
|
||
// set up go max processes
|
||
runtime.GOMAXPROCS(runtime.NumCPU())
|
||
|
||
app := registerApp()
|
||
app.Before = registerBefore
|
||
app.ExtraInfo = func() map[string]string {
|
||
if globalDebugFlag {
|
||
return getSystemData()
|
||
}
|
||
return make(map[string]string)
|
||
}
|
||
|
||
app.RunAndExitOnError()
|
||
}
|