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update.go
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update.go
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package cmd
import (
"log"
"os"
"sync"
"github.com/0chain/gosdk/zboxcore/fileref"
"github.com/0chain/gosdk/zboxcore/sdk"
"github.com/spf13/cobra"
)
func getRemoteFileAttributes(alloc *sdk.Allocation, remotePath string) (
attrs fileref.Attributes) {
fileMeta, err := alloc.GetFileMeta(remotePath)
if err != nil {
log.Fatal("Unable to fetch existing file meta data for update")
}
return fileMeta.Attributes
}
// updateCmd represents update file command
var updateCmd = &cobra.Command{
Use: "update",
Short: "update file to blobbers",
Long: `update file to blobbers`,
Args: cobra.MinimumNArgs(0),
Run: func(cmd *cobra.Command, args []string) {
fflags := cmd.Flags()
if fflags.Changed("allocation") == false {
PrintError("Error: allocation flag is missing")
os.Exit(1)
}
if fflags.Changed("remotepath") == false {
PrintError("Error: remotepath flag is missing")
os.Exit(1)
}
if !fflags.Changed("localpath") {
PrintError("Error: localpath flag is missing")
os.Exit(1)
}
allocationID := cmd.Flag("allocation").Value.String()
allocationObj, err := sdk.GetAllocation(allocationID)
if err != nil {
PrintError("Error fetching the allocation", err)
os.Exit(1)
}
remotepath := cmd.Flag("remotepath").Value.String()
if remotepath == "/Encrypted" {
PrintError("Error: can not update Encrypted Folder")
os.Exit(1)
}
// get original file attributes
var attrs = getRemoteFileAttributes(allocationObj, remotepath)
localpath := cmd.Flag("localpath").Value.String()
thumbnailpath := cmd.Flag("thumbnailpath").Value.String()
encrypt, _ := cmd.Flags().GetBool("encrypt")
commit, _ := cmd.Flags().GetBool("commit")
wg := &sync.WaitGroup{}
statusBar := &StatusBar{wg: wg}
wg.Add(1)
err = startChunkedUpload(cmd, allocationObj, chunkedUploadArgs{
localPath: localpath,
remotePath: remotepath,
thumbnailPath: thumbnailpath,
encrypt: encrypt,
chunkNumber: updateChunkNumber,
attrs: attrs,
isUpdate: true,
// isRepair: false,
}, statusBar)
if err != nil {
PrintError("Update failed.", err)
os.Exit(1)
}
wg.Wait()
if !statusBar.success {
os.Exit(1)
}
if commit {
statusBar.wg.Add(1)
commitMetaTxn(remotepath, "Update", "", "", allocationObj, nil, statusBar)
statusBar.wg.Wait()
}
return
},
}
var updateChunkNumber int
func init() {
rootCmd.AddCommand(updateCmd)
updateCmd.PersistentFlags().String("allocation", "", "Allocation ID")
updateCmd.PersistentFlags().String("remotepath", "", "Remote path to upload")
updateCmd.PersistentFlags().String("localpath", "", "Local path of file to upload")
updateCmd.PersistentFlags().String("thumbnailpath", "", "Local thumbnail path of file to upload")
updateCmd.Flags().Bool("encrypt", false, "pass this option to encrypt and upload the file")
updateCmd.Flags().Bool("commit", false, "pass this option to commit the metadata transaction")
updateCmd.Flags().IntVarP(&updateChunkNumber, "chunknumber", "", 1, "how many chunks should be uploaded in a http request")
updateCmd.MarkFlagRequired("allocation")
updateCmd.MarkFlagRequired("localpath")
updateCmd.MarkFlagRequired("remotepath")
}