//transfer a file to remote host,with single tcp and gz format
//Stdout will be ignore.
//Stderr will treat as an error from remote command
//TODO test
func CopyFile(client *ssh.Client, selfPath string, remotePath string) (err error) {
session, err := client.NewSession()
if err != nil {
return fmt.Errorf("[CopyFile]Failed to create session: %s", err.Error())
}
defer session.Close()
w, err := session.StdinPipe()
if err != nil {
return
}
defer w.Close()
errReader, err := session.StderrPipe()
if err != nil {
return
}
escapedRemotePath := kmgCmd.BashEscape(remotePath)
escapedRemoteDir := kmgCmd.BashEscape(path.Dir(remotePath))
err = session.Start(fmt.Sprintf("mkdir -p %s;cat > %s", escapedRemoteDir, escapedRemotePath))
if err != nil {
return fmt.Errorf("[CopyFile] Failed to Start: %s", err.Error())
}
f, err := os.Open(selfPath)
if err != nil {
return
}
defer f.Close()
//gzipW := gzip.NewWriter(w)
//defer gzipW.Close()
_, err = io.Copy(w, f)
if err != nil {
return fmt.Errorf("[CopyFile] io.Copy: %s", err)
}
//err = gzipW.Close()
//if err!=nil{
// return
//}
err = w.Close()
if err != nil {
return
}
errBytes, err := ioutil.ReadAll(errReader)
if err != nil {
return
}
if len(errBytes) != 0 {
return fmt.Errorf("[CopyFile] remote: %s", string(errBytes))
}
err = session.Wait()
if err != nil {
return fmt.Errorf("[CopyFile] session.Wait() err:%s", err.Error())
}
return nil
}
//transfer a directory to remote host,with single tcp and tar.gz format
//Stdout will be ignore.
//Stderr will treat as an error from remote command
func CopyDirectory(client *ssh.Client, selfPath string, remotePath string) (err error) {
session, err := client.NewSession()
if err != nil {
return fmt.Errorf("[CopyDirectory]Failed to create session: %s", err.Error())
}
defer session.Close()
w, err := session.StdinPipe()
if err != nil {
return
}
defer w.Close()
errBuf := &bytes.Buffer{}
session.Stderr = errBuf
escapedRemotePath := kmgCmd.BashEscape(remotePath)
err = session.Start(fmt.Sprintf("mkdir -p %s;tar -xz -C %s", escapedRemotePath, escapedRemotePath))
if err != nil {
return fmt.Errorf("[CopyDirectory] Failed to Run: %s", err.Error())
}
err = kmgTar.PackageDirectoryTarGz(selfPath, w)
if err != nil {
return
}
err = w.Close()
if err != nil {
return
}
err = session.Wait()
if err != nil {
return fmt.Errorf("[CopyDirectory] session.Wait() err:%s", err.Error())
}
if errBuf.Len() != 0 {
return fmt.Errorf("[CopyDirectory] remote: %s", string(errBuf.Bytes()))
}
return nil
}