For python 3 compatibility the console log stream must be
decoded. Otherwise zuul executor crashes with [1].
[1] Stack trace:
Ansible out b'Traceback (most recent call last):'
Ansible out b' File "/usr/lib/python3.5/multiprocessing/process.py", line 249, in _bootstrap'
Ansible out b' self.run()'
Ansible out b' File "/usr/lib/python3.5/multiprocessing/process.py", line 93, in run'
Ansible out b' self._target(*self._args, **self._kwargs)'
Ansible out b' File "/mnt/zuul/state/ansible/callback/zuul_stream.py", line 98, in _read_log'
Ansible output: b' for line in linesplit(s):'
Ansible output: b' File "/mnt/zuul/state/ansible/callback/zuul_stream.py", line 30, in linesplit'
Ansible output: b' if "\\n" in buff:'
Ansible output: b"TypeError: a bytes-like object is required, not 'str'"
Ansible output: b'Process Process-8:'
Ansible output: b'Traceback (most recent call last):'
Ansible output: b' File "/usr/lib/python3.5/multiprocessing/process.py", line 249, in _bootstrap'
Ansible output: b' self.run()'
Ansible output: b' File "/usr/lib/python3.5/multiprocessing/process.py", line 93, in run'
Ansible output: b' self._target(*self._args, **self._kwargs)'
Ansible output: b' File "/mnt/zuul/state/ansible/callback/zuul_stream.py", line 98, in _read_log'
Ansible output: b' for line in linesplit(s):'
Ansible output: b' File "/mnt/zuul/state/ansible/callback/zuul_stream.py", line 30, in linesplit'
Ansible output: b' if "\\n" in buff:'
Ansible output: b"TypeError: a bytes-like object is required, not 'str'"
Change-Id: Ia371562be3f30a5608e901349eda4cea77d7367d
329afbe04c