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update.go
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update.go
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/*
* Copyright (c) 2018. Abstrium SAS <team (at) pydio.com>
* This file is part of Pydio Cells.
*
* Pydio Cells 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.
*
* Pydio Cells 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 Pydio Cells. If not, see <http://www.gnu.org/licenses/>.
*
* The latest code can be found at <https://pydio.com>.
*/
package cmd
import (
"context"
"fmt"
"math"
"os"
"sync"
"github.com/fatih/color"
"github.com/olekukonko/tablewriter"
"github.com/spf13/cobra"
"go.uber.org/zap"
"github.com/pydio/cells/common"
"github.com/pydio/cells/common/config"
"github.com/pydio/cells/common/log"
"github.com/pydio/cells/common/proto/update"
update2 "github.com/pydio/cells/discovery/update"
)
var updateToVersion string
var updateDryRun bool
// updateBinCmd represents the command to update Pydio Cells binary
var updateBinCmd = &cobra.Command{
Use: "update",
Short: "Check for available updates and apply them",
Long: `Without argument, this command will list the available updates for this binary.
To apply the actual update, re-run the command with a --version parameter.
`,
Run: func(cmd *cobra.Command, args []string) {
url := config.Default().Get("services", common.SERVICE_GRPC_NAMESPACE_+common.SERVICE_UPDATE, "updateUrl").String("")
pKey := config.Default().Get("services", common.SERVICE_GRPC_NAMESPACE_+common.SERVICE_UPDATE, "publicKey").String("")
channel := config.Default().Get("services", common.SERVICE_GRPC_NAMESPACE_+common.SERVICE_UPDATE, "channel").String("stable")
configs := config.Map{}
configs.Set("updateUrl", url)
configs.Set("channel", channel)
configs.Set("publicKey", pKey)
binaries, e := update2.LoadUpdates(context.Background(), configs)
if e != nil {
log.Fatal("Cannot retrieve available updates", zap.Error(e))
}
if len(binaries) == 0 {
c := color.New(color.FgRed)
c.Println("\nNo updates are available for this version")
c.Println("")
return
}
if updateToVersion == "" {
// List versions
c := color.New(color.FgGreen)
c.Println("\nNew packages are available. Please run the following command to upgrade to a given version")
c.Println("")
c = color.New(color.FgBlack, color.Bold)
c.Println(os.Args[0] + " update --version=x.y.z")
c.Println("")
table := tablewriter.NewWriter(cmd.OutOrStdout())
table.SetHeader([]string{"Version", "Package Name", "Description"})
for _, bin := range binaries {
table.Append([]string{bin.Version, bin.Label, bin.Description})
}
table.SetAlignment(tablewriter.ALIGN_LEFT)
table.Render()
} else {
var apply *update.Package
for _, binary := range binaries {
if binary.Version == updateToVersion {
apply = binary
}
}
if apply == nil {
log.Fatal("Cannot find the requested version")
}
c := color.New(color.FgBlack)
c.Println("Updating binary now")
c.Println("")
pgChan := make(chan float64)
errorChan := make(chan error)
doneChan := make(chan bool)
wg := &sync.WaitGroup{}
wg.Add(1)
go func() {
defer wg.Done()
for {
select {
case pg := <-pgChan:
color.New(color.FgBlue).Printf("\rDownloading binary: %v%%", math.Floor(pg*100))
case e := <-errorChan:
color.New(color.FgRed).Println("\rError while updating binary: " + e.Error())
return
case <-doneChan:
color.New(color.FgBlack, color.Bold).Println("\rBinary successfully upgraded, you can restart cells now!")
fmt.Println("")
return
}
}
}()
update2.ApplyUpdate(context.Background(), apply, configs, updateDryRun, pgChan, doneChan, errorChan)
wg.Wait()
}
},
}
func init() {
RootCmd.AddCommand(updateBinCmd)
updateBinCmd.Flags().StringVarP(&updateToVersion, "version", "v", "", "Pass a version number to apply the upgrade")
updateBinCmd.Flags().BoolVarP(&updateDryRun, "dry-run", "d", false, "If set, this flag will grab the package and save it to the tmp directory instead of replacing current binary")
}