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// Copyright (C) 2019-2021 Algorand, Inc.
// This file is part of go-algorand
//
// go-algorand is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// go-algorand is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with go-algorand. If not, see <https://www.gnu.org/licenses/>.
package main
import (
"fmt"
"os"
"github.com/spf13/cobra"
"github.com/algorand/go-algorand/util/s3"
)
var (
destFile string
versionBucket string
specificVersion uint64
semanticOutput bool
)
func init() {
versionCmd.AddCommand(checkCmd)
versionCmd.AddCommand(getCmd)
checkCmd.Flags().StringVarP(&versionBucket, "bucket", "b", "", "S3 bucket containing updates.")
checkCmd.Flags().BoolVarP(&semanticOutput, "semantic", "s", false, "Human readable semantic version output.")
getCmd.Flags().StringVarP(&destFile, "outputFile", "o", "", "Path for downloaded file (required).")
getCmd.Flags().StringVarP(&versionBucket, "bucket", "b", "", "S3 bucket containing updates.")
getCmd.Flags().Uint64VarP(&specificVersion, "version", "v", 0, "Specific version to download.")
getCmd.MarkFlagRequired("outputFile")
}
var versionCmd = &cobra.Command{
Use: "ver",
Short: "Get latest version number or download latest version",
Long: `Allows checking the version of the latest update and downloading it `,
Run: func(cmd *cobra.Command, args []string) {
// Fall back
cmd.HelpFunc()(cmd, args)
},
}
var checkCmd = &cobra.Command{
Use: "check",
Short: "Check the latest version available",
Long: `Check the latest version available`,
Run: func(cmd *cobra.Command, args []string) {
if versionBucket == "" {
versionBucket = s3.GetS3ReleaseBucket()
}
s3Session, err := s3.MakeS3SessionForDownloadWithBucket(versionBucket)
if err != nil {
exitErrorf("Error creating s3 session %s\n", err.Error())
} else {
version, _, err := s3Session.GetLatestUpdateVersion(channel)
if err != nil {
exitErrorf("Error getting latest version from s3 %s\n", err.Error())
}
if version == 0 {
fmt.Fprintf(os.Stderr, "no updates found for channel '%s'\n", channel)
os.Exit(1)
}
if semanticOutput {
major, minor, patch, err := s3.GetVersionPartsFromVersion(version)
if err != nil {
exitErrorf("Problem converting '%d' to a semantic version string: %v", version, err)
}
fmt.Fprintf(os.Stdout, "%d.%d.%d\n", major, minor, patch)
} else {
fmt.Fprintf(os.Stdout, "%d\n", version)
}
}
},
}
var getCmd = &cobra.Command{
Use: "get",
Short: "Download the latest version available",
Long: `Download the latest version available`,
Run: func(cmd *cobra.Command, args []string) {
if versionBucket == "" {
versionBucket = s3.GetS3ReleaseBucket()
}
s3Session, err := s3.MakeS3SessionForDownloadWithBucket(versionBucket)
if err != nil {
exitErrorf("Error creating s3 session %s\n", err.Error())
} else {
version, name, err := s3Session.GetUpdateVersion(channel, specificVersion)
if err != nil {
exitErrorf("Error getting latest version from s3 %s\n", err.Error())
}
if version == 0 {
exitErrorf("No updates found\n")
}
file, err := os.Create(os.ExpandEnv(destFile))
defer file.Close()
if err != nil {
exitErrorf("Error creating output file: %s\n", err.Error())
}
err = s3Session.DownloadFile(name, file)
if err != nil {
exitErrorf("Error downloading file: %s\n", err.Error())
// script should delete the file.
}
}
},
}
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