204 lines
6 KiB
Go
204 lines
6 KiB
Go
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/*
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* Minio Cloud Storage, (C) 2015 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package main
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import (
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"encoding/json"
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"errors"
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"net/http"
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"net/url"
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"runtime"
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"strings"
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"time"
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"github.com/fatih/color"
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"github.com/minio/cli"
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"github.com/minio/minio-xl/pkg/probe"
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)
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// Check for new software updates.
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var updateCmd = cli.Command{
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Name: "update",
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Usage: "Check for new software updates.",
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Action: mainUpdate,
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CustomHelpTemplate: `Name:
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minio {{.Name}} - {{.Usage}}
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USAGE:
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minio {{.Name}} release
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minio {{.Name}} experimental
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EXAMPLES:
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1. Check for new official releases
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$ minio {{.Name}} release
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2. Check for new experimental releases
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$ minio {{.Name}} experimental
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`,
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}
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// updates container to hold updates json
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type updates struct {
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BuildDate string
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Platforms map[string]string
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}
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// updateMessage container to hold update messages
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type updateMessage struct {
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Update bool `json:"update"`
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Download string `json:"downloadURL"`
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Version string `json:"version"`
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}
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// String colorized update message
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func (u updateMessage) String() string {
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if u.Update {
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var msg string
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if runtime.GOOS == "windows" {
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msg = "Download " + u.Download
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} else {
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msg = "Download " + u.Download
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}
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msg, err := colorizeUpdateMessage(msg)
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fatalIf(err.Trace(msg), "Unable to colorize experimental update notification string ‘"+msg+"’.", nil)
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return msg
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}
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updateMessage := color.New(color.FgGreen, color.Bold).SprintfFunc()
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return updateMessage("You are already running the most recent version of ‘minio’.")
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}
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// JSON jsonified update message
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func (u updateMessage) JSON() string {
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updateMessageJSONBytes, err := json.Marshal(u)
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fatalIf(probe.NewError(err), "Unable to marshal into JSON.", nil)
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return string(updateMessageJSONBytes)
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}
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func getExperimentalUpdate() {
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current, e := time.Parse(http.TimeFormat, minioVersion)
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fatalIf(probe.NewError(e), "Unable to parse Version string as time.", nil)
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if current.IsZero() {
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fatalIf(probe.NewError(errors.New("")), "Experimental updates are not supported for custom build. Version field is empty. Please download official releases from https://dl.minio.io:9000", nil)
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}
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resp, err := http.Get(minioExperimentalURL)
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fatalIf(probe.NewError(err), "Unable to initalize experimental URL.", nil)
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var experimentals updates
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decoder := json.NewDecoder(resp.Body)
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defer resp.Body.Close()
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e = decoder.Decode(&experimentals)
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fatalIf(probe.NewError(e), "Unable to decode experimental update notification.", nil)
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latest, e := time.Parse(http.TimeFormat, experimentals.BuildDate)
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fatalIf(probe.NewError(e), "Unable to parse BuildDate.", nil)
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if latest.IsZero() {
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fatalIf(probe.NewError(errors.New("")), "Unable to validate any experimental update available at this time. Please open an issue at https://github.com/minio/minio/issues", nil)
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}
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minioExperimentalURLParse, err := url.Parse(minioExperimentalURL)
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if err != nil {
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fatalIf(probe.NewError(err), "Unable to parse URL: "+minioExperimentalURL, nil)
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}
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downloadURL := minioExperimentalURLParse.Scheme + "://" + minioExperimentalURLParse.Host + "/" + experimentals.Platforms[runtime.GOOS]
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updateMessage := updateMessage{
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Download: downloadURL,
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Version: minioVersion,
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}
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if latest.After(current) {
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updateMessage.Update = true
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}
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if globalJSONFlag {
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Println(updateMessage.JSON())
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} else {
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Println(updateMessage)
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}
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}
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func getReleaseUpdate() {
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current, e := time.Parse(http.TimeFormat, minioVersion)
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fatalIf(probe.NewError(e), "Unable to parse Version string as time.", nil)
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if current.IsZero() {
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fatalIf(probe.NewError(errors.New("")), "Updates not supported for custom build. Version field is empty. Please download official releases from https://dl.minio.io:9000", nil)
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}
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resp, err := http.Get(minioUpdateURL)
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fatalIf(probe.NewError(err), "Unable to initalize experimental URL.", nil)
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var releases updates
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decoder := json.NewDecoder(resp.Body)
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e = decoder.Decode(&releases)
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fatalIf(probe.NewError(e), "Unable to decode update notification.", nil)
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latest, e := time.Parse(http.TimeFormat, releases.BuildDate)
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fatalIf(probe.NewError(e), "Unable to parse BuildDate.", nil)
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if latest.IsZero() {
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fatalIf(probe.NewError(errors.New("")), "Unable to validate any update available at this time. Please open an issue at https://github.com/minio/minio/issues", nil)
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}
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minioUpdateURLParse, err := url.Parse(minioUpdateURL)
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if err != nil {
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fatalIf(probe.NewError(err), "Unable to parse URL: "+minioUpdateURL, nil)
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}
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downloadURL := minioUpdateURLParse.Scheme + "://" + minioUpdateURLParse.Host + "/" + releases.Platforms[runtime.GOOS]
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updateMessage := updateMessage{
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Download: downloadURL,
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Version: minioVersion,
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}
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if latest.After(current) {
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updateMessage.Update = true
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}
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if globalJSONFlag {
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Println(updateMessage.JSON())
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} else {
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Println(updateMessage)
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}
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}
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const (
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minioUpdateURL = "https://dl.minio.io:9000/updates/minio/updates.json"
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minioExperimentalURL = "https://dl.minio.io:9000/updates/minio/experimental.json"
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)
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func checkUpdateSyntax(ctx *cli.Context) {
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if ctx.Args().First() == "help" || !ctx.Args().Present() {
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cli.ShowCommandHelpAndExit(ctx, "update", 1) // last argument is exit code
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}
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arg := strings.TrimSpace(ctx.Args().First())
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if arg != "release" && arg != "experimental" {
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fatalIf(probe.NewError(errInvalidArgument), "Unrecognized argument provided.", nil)
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}
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}
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// mainUpdate -
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func mainUpdate(ctx *cli.Context) {
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checkUpdateSyntax(ctx)
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arg := strings.TrimSpace(ctx.Args().First())
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switch arg {
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case "release":
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getReleaseUpdate()
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case "experimental":
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getExperimentalUpdate()
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}
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}
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