connectors/PYRO_dialog.py
author Andrey Skvortsov <andrej.skvortzov@gmail.com>
Wed, 13 Mar 2019 14:27:24 +0300
changeset 2542 a3ec35ee94e7
parent 2537 eb4a4cc41914
child 2609 c8cb60bf6c6a
permissions -rw-r--r--
Fix crash in runtime if PSK secret is missing

./Beremiz_service.py -s $PWD/psk2.txt -n beremiz /tmp/beremiz
Beremiz_service: 1.2-1378c18402c3+

Traceback (most recent call last):
File "./Beremiz_service.py", line 511, in <module>
ensurePSK(servicename, PSKpath)
File "/home/developer/WorkData/PLC/beremiz/beremiz/runtime/Stunnel.py", line 32, in ensurePSK
PSKgen(ID, PSKpath)
File "/home/developer/WorkData/PLC/beremiz/beremiz/runtime/Stunnel.py", line 23, in PSKgen
call(restart_stunnel_cmdline)
File "/home/developer/WorkData/PLC/beremiz/beremiz/runtime/spawn_subprocess.py", line 116, in call
pid = posix_spawn.posix_spawnp(cmd[0], cmd)
File "/home/developer/.local/lib/python2.7/site-packages/posix_spawn/_impl.py", line 120, in posix_spawnp
return _posix_spawn(lib.posix_spawnp, *args, **kwargs)
File "/home/developer/.local/lib/python2.7/site-packages/posix_spawn/_impl.py", line 111, in _posix_spawn
_check_error(res, path)
File "/home/developer/.local/lib/python2.7/site-packages/posix_spawn/_impl.py", line 10, in _check_error
raise OSError(errno, os.strerror(errno), path)
OSError: [Errno 2] No such file or directory: '/etc/init.d/S50stunnel'
#!/usr/bin/env python
# -*- coding: utf-8 -*-

# See COPYING file for copyrights details.

from __future__ import absolute_import

from itertools import repeat, islice, chain

from connectors.SchemeEditor import SchemeEditor


model = [('host', _("Host:")),
         ('port', _("Port:"))]

# (scheme, model, secure)
models = [("LOCAL", [], False), ("PYRO", model, False), ("PYROS", model, True)]

Schemes = list(zip(*models)[0])

_PerSchemeConf = {sch: (mod, sec) for sch, mod, sec in models}


class PYRO_dialog(SchemeEditor):
    def __init__(self, scheme, *args, **kwargs):
        # ID selector is enabled only on PYROS (secure)
        self.model, self.EnableIDSelector = _PerSchemeConf[scheme]

        SchemeEditor.__init__(self, scheme, *args, **kwargs)

    # pylint: disable=unused-variable
    def SetLoc(self, loc):
        hostport, ID = list(islice(chain(loc.split("#"), repeat("")), 2))
        host, port = list(islice(chain(hostport.split(":"), repeat("")), 2))
        self.SetFields(locals())

    def GetLoc(self):
        if self.model:
            fields = self.GetFields()
            template = "{host}"
            if fields['port']:
                template += ":{port}"
            if fields['ID']:
                template += "#{ID}"

            return template.format(**fields)
        return ''