minio/commands.go
2015-06-27 17:39:22 -07:00

268 lines
6.3 KiB
Go

package main
import (
"os/user"
"path/filepath"
"strings"
"time"
"github.com/dustin/go-humanize"
"github.com/minio/cli"
"github.com/minio/minio/pkg/iodine"
"github.com/minio/minio/pkg/server"
)
func appendUniq(slice []string, i string) []string {
for _, ele := range slice {
if ele == i {
return slice
}
}
return append(slice, i)
}
var commands = []cli.Command{
modeCmd,
}
var modeCommands = []cli.Command{
memoryCmd,
fsCmd,
donutCmd,
}
var modeCmd = cli.Command{
Name: "mode",
Subcommands: modeCommands,
Description: "Mode of execution",
}
var memoryCmd = cli.Command{
Name: "memory",
Description: "Limit maximum memory usage to SIZE in [B, KB, MB, GB]",
Action: runMemory,
CustomHelpTemplate: `NAME:
minio mode {{.Name}} - {{.Description}}
USAGE:
minio mode {{.Name}} limit SIZE expire TIME
EXAMPLES:
1. Limit maximum memory usage to 64MB with 1 hour expiration
$ minio mode {{.Name}} limit 64MB expire 1h
2. Limit maximum memory usage to 4GB with no expiration
$ minio mode {{.Name}} limit 4GB
`,
}
var fsCmd = cli.Command{
Name: "fs",
Description: "Path to filesystem volume.",
Action: runFilesystem,
CustomHelpTemplate: `NAME:
minio mode {{.Name}} - {{.Description}}
USAGE:
minio mode {{.Name}} limit SIZE expire TIME
EXAMPLES:
1. Export an existing filesystem path
$ minio mode {{.Name}} /var/www
`,
}
var donutCmd = cli.Command{
Name: "donut",
Description: "[status: EXPERIMENTAL]. Path to donut volume.",
Action: runDonut,
CustomHelpTemplate: `NAME:
minio mode {{.Name}} - {{.Description}}
USAGE:
minio mode {{.Name}} PATH
EXAMPLES:
1. Create a donut volume under "/mnt/backup", with a cache limit of 64MB with 1hr expiration
$ minio mode {{.Name}} limit 64MB expire 1h paths /mnt/backup
2. Create a donut volume under collection of paths, put a cache limit of 512MB
$ minio mode {{.Name}} limit 512MB paths ""
`,
}
func runMemory(c *cli.Context) {
if len(c.Args()) == 0 || len(c.Args())%2 != 0 {
cli.ShowCommandHelpAndExit(c, "memory", 1) // last argument is exit code
}
apiServerConfig := getAPIServerConfig(c)
var maxMemory uint64
maxMemorySet := false
var expiration time.Duration
expirationSet := false
var err error
args := c.Args()
for len(args) > 0 {
switch args.First() {
case "limit":
{
if maxMemorySet {
Fatalln("Limit should be set only once")
}
args = args.Tail()
maxMemory, err = humanize.ParseBytes(args.First())
if err != nil {
Fatalf("Invalid memory size [%s] passed. Reason: %s\n", args.First(), iodine.New(err, nil))
}
if maxMemory < 1024*1024*10 {
Fatalf("Invalid memory size [%s] passed. Should be greater than 10M\n", args.First())
}
args = args.Tail()
maxMemorySet = true
}
case "expire":
{
if expirationSet {
Fatalln("Expiration should be set only once")
}
args = args.Tail()
expiration, err = time.ParseDuration(args.First())
if err != nil {
Fatalf("Invalid expiration time [%s] passed. Reason: %s\n", args.First(), iodine.New(err, nil))
}
args = args.Tail()
expirationSet = true
}
default:
{
cli.ShowCommandHelpAndExit(c, "memory", 1) // last argument is exit code
}
}
}
if maxMemorySet == false {
Fatalln("Memory limit must be set")
}
memoryDriver := server.MemoryFactory{
Config: apiServerConfig,
MaxMemory: maxMemory,
Expiration: expiration,
}
apiServer := memoryDriver.GetStartServerFunc()
// webServer := getWebServerConfigFunc(c)
servers := []server.StartServerFunc{apiServer} //, webServer}
server.StartMinio(servers)
}
func runDonut(c *cli.Context) {
var err error
u, err := user.Current()
if err != nil {
Fatalf("Unable to determine current user. Reason: %s\n", err)
}
if len(c.Args()) < 1 {
cli.ShowCommandHelpAndExit(c, "donut", 1) // last argument is exit code
}
var maxMemory uint64
maxMemorySet := false
var expiration time.Duration
expirationSet := false
var paths []string
pathSet := false
args := c.Args()
for len(args) > 0 {
switch args.First() {
case "limit":
{
if maxMemorySet {
Fatalln("Limit should be set only once")
}
args = args.Tail()
maxMemory, err = humanize.ParseBytes(args.First())
if err != nil {
Fatalf("Invalid memory size [%s] passed. Reason: %s\n", args.First(), iodine.New(err, nil))
}
if maxMemory < 1024*1024*10 {
Fatalf("Invalid memory size [%s] passed. Should be greater than 10M\n", args.First())
}
args = args.Tail()
maxMemorySet = true
}
case "expire":
{
if expirationSet {
Fatalln("Expiration should be set only once")
}
args = args.Tail()
expiration, err = time.ParseDuration(args.First())
if err != nil {
Fatalf("Invalid expiration time [%s] passed. Reason: %s\n", args.First(), iodine.New(err, nil))
}
args = args.Tail()
expirationSet = true
}
case "paths":
if pathSet {
Fatalln("Path should be set only once")
}
// supporting multiple paths
args = args.Tail()
if strings.TrimSpace(args.First()) == "" {
p := filepath.Join(u.HomeDir, "minio-storage", "donut")
paths = appendUniq(paths, p)
} else {
for _, arg := range args {
paths = appendUniq(paths, strings.TrimSpace(arg))
}
}
args = args.Tail()
pathSet = true
default:
{
cli.ShowCommandHelpAndExit(c, "donut", 1) // last argument is exit code
}
}
}
if maxMemorySet == false {
Fatalln("Memory limit must be set")
}
if pathSet == false {
Fatalln("Path must be set")
}
apiServerConfig := getAPIServerConfig(c)
donutDriver := server.DonutFactory{
Config: apiServerConfig,
Paths: paths,
MaxMemory: maxMemory,
Expiration: expiration,
}
apiServer := donutDriver.GetStartServerFunc()
// webServer := getWebServerConfigFunc(c)
servers := []server.StartServerFunc{apiServer} //, webServer}
server.StartMinio(servers)
}
func runFilesystem(c *cli.Context) {
if len(c.Args()) != 1 {
cli.ShowCommandHelpAndExit(c, "fs", 1) // last argument is exit code
}
apiServerConfig := getAPIServerConfig(c)
fsDriver := server.FilesystemFactory{
Config: apiServerConfig,
Path: c.Args()[0],
}
apiServer := fsDriver.GetStartServerFunc()
// webServer := getWebServerConfigFunc(c)
servers := []server.StartServerFunc{apiServer} //, webServer}
server.StartMinio(servers)
}