mirror of https://github.com/minio/minio.git
127 lines
2.7 KiB
Go
127 lines
2.7 KiB
Go
package main
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import (
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"os"
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"os/signal"
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"os/user"
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"syscall"
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"github.com/minio/cli"
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"github.com/minio/minio/pkg/controller"
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"github.com/minio/minio/pkg/server"
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"github.com/minio/minio/pkg/server/api"
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)
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var commands = []cli.Command{
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serverCmd,
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controllerCmd,
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}
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var serverCmd = cli.Command{
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Name: "server",
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Description: "Server mode",
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Action: runServer,
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CustomHelpTemplate: `NAME:
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minio {{.Name}} - {{.Description}}
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USAGE:
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minio {{.Name}}
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EXAMPLES:
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1. Start in server mode
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$ minio {{.Name}}
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`,
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}
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var controllerCmd = cli.Command{
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Name: "controller",
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Description: "Control mode",
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Action: runController,
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CustomHelpTemplate: `NAME:
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minio {{.Name}} - {{.Description}}
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USAGE:
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minio {{.Name}}
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EXAMPLES:
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1. Get disks from controller
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$ minio {{.Name}} disks http://localhost:9001/rpc
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2. Get memstats from controller
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$ minio {{.Name}} mem http://localhost:9001/rpc
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`,
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}
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func getServerConfig(c *cli.Context) api.Config {
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certFile := c.GlobalString("cert")
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keyFile := c.GlobalString("key")
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if (certFile != "" && keyFile == "") || (certFile == "" && keyFile != "") {
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Fatalln("Both certificate and key are required to enable https.")
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}
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tls := (certFile != "" && keyFile != "")
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return api.Config{
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Address: c.GlobalString("address"),
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TLS: tls,
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CertFile: certFile,
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KeyFile: keyFile,
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RateLimit: c.GlobalInt("ratelimit"),
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}
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}
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func trapServer(doneCh chan struct{}) {
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// Go signal notification works by sending `os.Signal`
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// values on a channel.
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sigs := make(chan os.Signal, 1)
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// `signal.Notify` registers the given channel to
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// receive notifications of the specified signals.
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signal.Notify(sigs, syscall.SIGHUP, syscall.SIGUSR2)
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// This executes a blocking receive for signals.
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// When it gets one it'll then notify the program
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// that it can finish.
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<-sigs
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doneCh <- struct{}{}
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}
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func runServer(c *cli.Context) {
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_, err := user.Current()
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if err != nil {
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Fatalf("Unable to determine current user. Reason: %s\n", err)
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}
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doneCh := make(chan struct{})
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go trapServer(doneCh)
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apiServerConfig := getServerConfig(c)
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err = server.StartServices(apiServerConfig, doneCh)
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if err != nil {
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Fatalln(err)
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}
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}
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func runController(c *cli.Context) {
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_, err := user.Current()
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if err != nil {
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Fatalf("Unable to determine current user. Reason: %s\n", err)
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}
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if len(c.Args()) != 2 || c.Args().First() == "help" {
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cli.ShowCommandHelpAndExit(c, "controller", 1) // last argument is exit code
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}
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switch c.Args().First() {
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case "disks":
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disks, err := controller.GetDisks(c.Args().Tail().First())
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if err != nil {
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Fatalln(err)
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}
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Println(disks)
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case "mem":
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memstats, err := controller.GetMemStats(c.Args().Tail().First())
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if err != nil {
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Fatalln(err)
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}
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Println(string(memstats))
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}
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}
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