func (s *bashScript) Exec(l logger.Logger, client connection.Client) error {
sess, err := client.NewLoggedSession(l)
if err != nil {
return err
}
defer sess.Close()
stdin, err := sess.StdinPipe()
if err != nil {
return errors.Wrap(err, "failed to receive stdin pipe")
}
defer stdin.Close()
fname := fmt.Sprintf("/var/lib/smutje/%s.sh", s.hash)
cmd := fmt.Sprintf(`bash -c "cat - > %[1]s && bash -l %[1]s"`, fname)
if err := sess.Start(cmd); err != nil {
return err
}
switch n, err := io.WriteString(stdin, s.Script); {
case err != nil:
return errors.Wrap(err, "failed to send script to target")
case n != len(s.Script):
return errors.Errorf("expected to send %d bytes, sent %d", len(s.Script), n)
default:
stdin.Close()
return sess.Wait()
}
}
func (a *execJenkinsArtifactCmd) Exec(l logger.Logger, client connection.Client) error {
sess, err := client.NewLoggedSession(l)
if err != nil {
return err
}
defer sess.Close()
l.Printf("downloading file %q from %q", a.Target, a.url)
setFilePerms := ""
// TODO is possible to set only one of the both?
if a.Owner != "" && a.Umask != "" {
setFilePerms = " && chown " + a.Owner + " %[1]s && chmod " + a.Umask + " %[1]s"
}
cmd := fmt.Sprintf(`bash -c "{ dir=$(dirname %[1]s); test -d \${dir} || mkdir -p \${dir}; } && curl -sSL %[2]s -o %[1]s`+setFilePerms+`"`, a.Target, a.url)
if err := sess.Start(cmd); err != nil {
return err
}
return sess.Wait()
}
func (a *execWriteFileCmd) Exec(l logger.Logger, clients connection.Client) error {
r, err := a.read()
if err != nil {
return err
}
defer r.Close()
sess, err := clients.NewLoggedSession(l)
if err != nil {
return err
}
defer sess.Close()
stdin, err := sess.StdinPipe()
if err != nil {
return errors.Wrap(err, "failed to receive stdin pipe")
}
l.Printf("writing file %q", a.Target)
setFilePerms := ""
// TODO is possible to set only one of the both?
if a.Owner != "" && a.Umask != "" {
setFilePerms = " && chown " + a.Owner + " %[1]s && chmod " + a.Umask + " %[1]s"
}
cmd := fmt.Sprintf(`bash -c "{ dir=$(dirname %[1]s); test -d \${dir} || mkdir -p \${dir}; } && cat - > %[1]s`+setFilePerms+`"`, a.Target)
if err := sess.Start(cmd); err != nil {
return err
}
if _, err := io.Copy(stdin, r); err != nil {
return errors.Wrap(err, "failed to send script to target")
}
stdin.Close()
// TODO validate all bytes written
// TODO use compression on the wire
return sess.Wait()
}
