Exception in do_transform_template()

[Baurzhan Ismagulov <ibr@radix50.net>]

Hello,

I occasionally get the exception below. The full log can be seen e.g. in
http://zhanghyz.ilbers.de:8080/job/isar_claudius_ilbers-ci/9/consoleFull. Any
ideas what could be causing that?

ERROR: mc:rpi-jessie:example-module-rpi-rpfv-1.0-r0 do_transform_template: Error executing a python function in exec_python_func() autogenerated:

The stack trace of python calls that resulted in this exception/failure was:
File: 'exec_python_func() autogenerated', lineno: 2, function: <module>
     0001:
 *** 0002:do_transform_template(d)
     0003:
File: '/workspace/build/isar_claudius_ilbers-ci/9/meta/classes/template.bbclass', lineno: 58, function: do_transform_template
     0054:        with contextlib.ExitStack() as stack:
     0055:            input = stack.enter_context(open(template_file, 'rb'))
     0056:            output = stack.enter_context(open(output_file, 'wb'))
     0057:            process = subprocess.Popen([cmd, args], stdin=input,
 *** 0058:                                       stdout=output, env=env)
     0059:            if process.wait() != 0:
     0060:                bb.fatal("processing of template failed")
     0061:}
     0062:addtask do_transform_template after do_unpack before do_build
File: '/usr/lib/python3.5/subprocess.py', lineno: 676, function: __init__
     0672:                                startupinfo, creationflags, shell,
     0673:                                p2cread, p2cwrite,
     0674:                                c2pread, c2pwrite,
     0675:                                errread, errwrite,
 *** 0676:                                restore_signals, start_new_session)
     0677:        except:
     0678:            # Cleanup if the child failed starting.
     0679:            for f in filter(None, (self.stdin, self.stdout, self.stderr)):
     0680:                try:
File: '/usr/lib/python3.5/subprocess.py', lineno: 1282, function: _execute_child
     1278:                                # The error must be from chdir(cwd).
     1279:                                err_msg += ': ' + repr(cwd)
     1280:                            else:
     1281:                                err_msg += ': ' + repr(orig_executable)
 *** 1282:                    raise child_exception_type(errno_num, err_msg)
     1283:                raise child_exception_type(err_msg)
     1284:
     1285:
     1286:        def _handle_exitstatus(self, sts, _WIFSIGNALED=os.WIFSIGNALED,
Exception: FileNotFoundError: [Errno 2] No such file or directory: 'envsubst'

ERROR: mc:rpi-jessie:example-module-rpi-rpfv-1.0-r0 do_transform_template: Function failed: do_transform_template

With kind regards,
-- 
Baurzhan Ismagulov
ilbers GmbH
Maria-Merian-Str. 8
D-85521 Ottobrunn
+49 (89) 122 67 24-0
ibr@ilbers.de
http://ilbers.de/
Amtsgericht M�nchen, HRB 214197
Gesch�ftsf�hrer: Baurzhan Ismagulov