Files
awx/awx/lib/tower_display_callback/events.py
Chris Church 440f0539b0 Flake8 fixes.
2016-10-28 21:58:24 -04:00

138 lines
4.6 KiB
Python

# Copyright (c) 2016 Ansible by Red Hat, Inc.
#
# This file is part of Ansible Tower, but depends on code imported from Ansible.
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
from __future__ import (absolute_import, division, print_function)
# Python
import base64
import contextlib
import datetime
import json
import os
import threading
import uuid
__all__ = ['event_context']
class EventContext(object):
'''
Store global and local (per thread/process) data associated with callback
events and other display output methods.
'''
def add_local(self, **kwargs):
if not hasattr(self, '_local'):
self._local = threading.local()
self._local._ctx = {}
self._local._ctx.update(kwargs)
def remove_local(self, **kwargs):
if hasattr(self, '_local'):
for key in kwargs.keys():
self._local._ctx.pop(key, None)
@contextlib.contextmanager
def set_local(self, **kwargs):
try:
self.add_local(**kwargs)
yield
finally:
self.remove_local(**kwargs)
def get_local(self):
return getattr(getattr(self, '_local', None), '_ctx', {})
def add_global(self, **kwargs):
if not hasattr(self, '_global_ctx'):
self._global_ctx = {}
self._global_ctx.update(kwargs)
def remove_global(self, **kwargs):
if hasattr(self, '_global_ctx'):
for key in kwargs.keys():
self._global_ctx.pop(key, None)
@contextlib.contextmanager
def set_global(self, **kwargs):
try:
self.add_global(**kwargs)
yield
finally:
self.remove_global(**kwargs)
def get_global(self):
return getattr(self, '_global_ctx', {})
def get(self):
ctx = {}
ctx.update(self.get_global())
ctx.update(self.get_local())
return ctx
def get_begin_dict(self):
event_data = self.get()
if os.getenv('JOB_ID', ''):
event_data['job_id'] = int(os.getenv('JOB_ID', '0'))
if os.getenv('AD_HOC_COMMAND_ID', ''):
event_data['ad_hoc_command_id'] = int(os.getenv('AD_HOC_COMMAND_ID', '0'))
event_data.setdefault('pid', os.getpid())
event_data.setdefault('uuid', str(uuid.uuid4()))
event_data.setdefault('created', datetime.datetime.utcnow().isoformat())
if not event_data.get('parent_uuid', None) and event_data.get('job_id', None):
for key in ('task_uuid', 'play_uuid', 'playbook_uuid'):
parent_uuid = event_data.get(key, None)
if parent_uuid and parent_uuid != event_data.get('uuid', None):
event_data['parent_uuid'] = parent_uuid
break
event = event_data.pop('event', None)
if not event:
event = 'verbose'
for key in ('debug', 'verbose', 'deprecated', 'warning', 'system_warning', 'error'):
if event_data.get(key, False):
event = key
break
event_dict = dict(event=event, event_data=event_data)
for key in event_data.keys():
if key in ('job_id', 'ad_hoc_command_id', 'uuid', 'parent_uuid', 'created', 'artifact_data'):
event_dict[key] = event_data.pop(key)
elif key in ('verbosity', 'pid'):
event_dict[key] = event_data[key]
return event_dict
def get_end_dict(self):
return {}
def dump(self, fileobj, data, max_width=78):
b64data = base64.b64encode(json.dumps(data))
fileobj.write(u'\x1b[K')
for offset in xrange(0, len(b64data), max_width):
chunk = b64data[offset:offset + max_width]
escaped_chunk = u'{}\x1b[{}D'.format(chunk, len(chunk))
fileobj.write(escaped_chunk)
fileobj.write(u'\x1b[K')
def dump_begin(self, fileobj):
self.dump(fileobj, self.get_begin_dict())
def dump_end(self, fileobj):
self.dump(fileobj, self.get_end_dict())
event_context = EventContext()