// RunConfigureScript connects to the specified host over
// SSH, and executes the provided script which is expected
// to have been returned by ConfigureScript.
func RunConfigureScript(script string, params ConfigureParams) error {
logger.Debugf("Running script on %s: %s", params.Host, script)
client := params.Client
if client == nil {
client = ssh.DefaultClient
}
cmd := ssh.Command(params.Host, []string{"sudo", "/bin/bash"}, nil)
cmd.Stdin = strings.NewReader(script)
cmd.Stderr = params.ProgressWriter
return cmd.Run()
}
// login uid/gid. This is done so that we don't require sudo, and by
// consequence, don't require a pty, so we can interact with a script
// via stdin.
type SSHStorage struct {
host string
remotepath string
tmpdir string
cmd *ssh.Cmd
stdin io.WriteCloser
stdout io.ReadCloser
scanner *bufio.Scanner
}
var sshCommand = func(host string, command ...string) *ssh.Cmd {
return ssh.Command(host, command, nil)
}
type flockmode string
const (
flockShared flockmode = "-s"
flockExclusive flockmode = "-x"
)
type NewSSHStorageParams struct {
// Host is the host to connect to, in the format [user@]hostname.
Host string
// StorageDir is the root of the remote storage directory.
StorageDir string