2015-10-18 00:03:46 +02:00
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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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2015-12-23 02:11:11 +01:00
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"io/ioutil"
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2015-10-18 00:03:46 +02:00
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"net/http"
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"runtime"
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2015-12-23 02:11:11 +01:00
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"strings"
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2015-10-18 00:03:46 +02:00
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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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2016-03-04 10:50:59 +01:00
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"github.com/minio/mc/pkg/console"
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2015-10-18 00:03:46 +02:00
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)
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2015-11-26 06:06:29 +01:00
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// command specific flags.
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var (
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updateFlags = []cli.Flag{
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cli.BoolFlag{
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Name: "help, h",
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Usage: "Help for update.",
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},
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cli.BoolFlag{
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Name: "experimental, E",
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Usage: "Check experimental update.",
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},
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}
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)
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2015-10-18 00:03:46 +02:00
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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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2015-11-26 06:06:29 +01:00
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Usage: "Check for a new software update.",
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2015-10-18 00:03:46 +02:00
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Action: mainUpdate,
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2015-11-26 06:06:29 +01:00
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Flags: updateFlags,
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CustomHelpTemplate: `Name:
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minio {{.Name}} - {{.Usage}}
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USAGE:
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2015-11-26 06:06:29 +01:00
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minio {{.Name}} [FLAGS]
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FLAGS:
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{{range .Flags}}{{.}}
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{{end}}
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EXAMPLES:
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1. Check for any new official release.
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$ minio {{.Name}}
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2015-11-26 06:06:29 +01:00
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2. Check for any new experimental release.
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$ minio {{.Name}} --experimental
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`,
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}
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2015-11-26 06:06:29 +01:00
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// update URL endpoints.
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const (
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minioUpdateStableURL = "https://dl.minio.io/server/minio/release"
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minioUpdateExperimentalURL = "https://dl.minio.io/server/minio/experimental"
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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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Status string `json:"status"`
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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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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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2016-06-13 04:35:28 +02:00
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msg := colorizeUpdateMessage(u.Download)
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return msg
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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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u.Status = "success"
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updateMessageJSONBytes, err := json.Marshal(u)
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fatalIf((err), "Unable to marshal into JSON.")
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return string(updateMessageJSONBytes)
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}
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2016-04-29 23:24:10 +02:00
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func parseReleaseData(data string) (time.Time, error) {
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releaseStr := strings.Fields(data)
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if len(releaseStr) < 2 {
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return time.Time{}, errors.New("Update data malformed")
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}
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releaseDate := releaseStr[1]
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releaseDateSplits := strings.SplitN(releaseDate, ".", 3)
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if len(releaseDateSplits) < 3 {
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return time.Time{}, (errors.New("Update data malformed"))
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}
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if releaseDateSplits[0] != "minio" {
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return time.Time{}, (errors.New("Update data malformed, missing minio tag"))
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}
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2016-02-23 23:57:14 +01:00
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// "OFFICIAL" tag is still kept for backward compatibility, we should remove this for the next release.
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if releaseDateSplits[1] != "RELEASE" && releaseDateSplits[1] != "OFFICIAL" {
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return time.Time{}, (errors.New("Update data malformed, missing RELEASE tag"))
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}
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dateSplits := strings.SplitN(releaseDateSplits[2], "T", 2)
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if len(dateSplits) < 2 {
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return time.Time{}, (errors.New("Update data malformed, not in modified RFC3359 form"))
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}
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dateSplits[1] = strings.Replace(dateSplits[1], "-", ":", -1)
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date := strings.Join(dateSplits, "T")
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parsedDate, err := time.Parse(time.RFC3339, date)
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if err != nil {
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return time.Time{}, err
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}
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return parsedDate, nil
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}
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// verify updates for releases.
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func getReleaseUpdate(updateURL string, noError bool) updateMessage {
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// Construct a new update url.
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newUpdateURLPrefix := updateURL + "/" + runtime.GOOS + "-" + runtime.GOARCH
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newUpdateURL := newUpdateURLPrefix + "/minio.shasum"
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// Get the downloadURL.
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var downloadURL string
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switch runtime.GOOS {
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case "windows":
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// For windows.
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downloadURL = newUpdateURLPrefix + "/minio.exe"
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default:
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// For all other operating systems.
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downloadURL = newUpdateURLPrefix + "/minio"
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}
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// Initialize update message.
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updateMsg := updateMessage{
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Download: downloadURL,
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Version: minioVersion,
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}
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2016-07-12 01:22:10 +02:00
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// Instantiate a new client with 3 sec timeout.
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client := &http.Client{
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Timeout: 3 * time.Second,
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}
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// Fetch new update.
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data, err := client.Get(newUpdateURL)
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if err != nil && noError {
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return updateMsg
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}
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2016-05-16 23:31:28 +02:00
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fatalIf((err), "Unable to read from update URL ‘"+newUpdateURL+"’.")
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2015-11-14 05:31:19 +01:00
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2016-03-25 01:20:49 +01:00
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// Error out if 'update' command is issued for development based builds.
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if minioVersion == "DEVELOPMENT.GOGET" && !noError {
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fatalIf((errors.New("")),
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"Update mechanism is not supported for ‘go get’ based binary builds. Please download official releases from https://minio.io/#minio")
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}
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2016-03-25 01:20:49 +01:00
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// Parse current minio version into RFC3339.
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current, err := time.Parse(time.RFC3339, minioVersion)
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if err != nil && noError {
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return updateMsg
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}
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fatalIf((err), "Unable to parse version string as time.")
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2016-03-25 01:20:49 +01:00
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// Verify if current minio version is zero.
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if current.IsZero() && !noError {
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fatalIf((errors.New("")),
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"Updates mechanism is not supported for custom builds. Please download official releases from https://minio.io/#minio")
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}
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2016-03-25 01:20:49 +01:00
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// Verify if we have a valid http response i.e http.StatusOK.
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if data != nil {
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if data.StatusCode != http.StatusOK {
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// Return quickly if noError is set.
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if noError {
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return updateMsg
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}
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fatalIf((errors.New("")), "Failed to retrieve update notice. "+data.Status)
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}
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}
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// Read the response body.
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updateBody, err := ioutil.ReadAll(data.Body)
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if err != nil && noError {
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return updateMsg
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}
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fatalIf((err), "Failed to retrieve update notice. Please try again later.")
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// Parse the date if its valid.
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latest, err := parseReleaseData(string(updateBody))
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if err != nil && noError {
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return updateMsg
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}
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errMsg := "Failed to retrieve update notice. Please try again later. Please report this issue at https://github.com/minio/minio/issues"
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fatalIf(err, errMsg)
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// Verify if the date is not zero.
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if latest.IsZero() && !noError {
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fatalIf((errors.New("")), errMsg)
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}
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// Is the update latest?.
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if latest.After(current) {
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updateMsg.Update = true
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}
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// Return update message.
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return updateMsg
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2015-10-18 00:03:46 +02:00
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}
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2015-11-26 06:06:29 +01:00
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// main entry point for update command.
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func mainUpdate(ctx *cli.Context) {
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// Print all errors as they occur.
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noError := false
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// Check for update.
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if ctx.Bool("experimental") {
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console.Println(getReleaseUpdate(minioUpdateExperimentalURL, noError))
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} else {
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console.Println(getReleaseUpdate(minioUpdateStableURL, noError))
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}
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}
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