# Copyright (c) 2013 AnsibleWorks, Inc.
# This file is a utility Ansible plugin that is not part of Ansible Commander or Ansible.
# (it does not import any ansible-commander code, nor does it's license apply to Ansible
# or Ansible Commander)
# 
# Copyright (c) 2013, AnsibleWorks Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification, 
# are permitted provided that the following conditions are met:
# 
# Redistributions of source code must retain the above copyright notice, this list 
# of conditions and the following disclaimer.
#
#    Redistributions in binary form must reproduce the above copyright notice, 
# this list of conditions and the following disclaimer in the documentation and/or 
# other materials provided with the distribution.
#
#    Neither the name of the <ORGANIZATION> nor the names of its contributors may be 
# used to endorse or promote products derived from this software without specific 
# prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY 
# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 
# COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 
# GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 
# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
# OF SUCH DAMAGE.

import json
import os
import subprocess
import sys

class CallbackModule(object):
    '''
    Callback module for logging ansible-playbook events to the database.
    '''

    def __init__(self):
        self.acom_callback_event_script = os.getenv('ACOM_CALLBACK_EVENT_SCRIPT')

    def _log_event(self, event, **event_data):
        event_data_json = json.dumps(event_data)
        cmdline = [self.acom_callback_event_script, '-e', event, '-d', event_data_json]
        subprocess.check_call(cmdline)

    def on_any(self, *args, **kwargs):
        pass

    def runner_on_failed(self, host, res, ignore_errors=False):
        self._log_event('runner_on_failed', host=host, res=res,
                        ignore_errors=ignore_errors)

    def runner_on_ok(self, host, res):
        self._log_event('runner_on_ok', host=host, res=res)

    def runner_on_error(self, host, msg):
        self._log_event('runner_on_error', host=host, msg=msg)

    def runner_on_skipped(self, host, item=None):
        self._log_event('runner_on_skipped', host=host, item=item)

    def runner_on_unreachable(self, host, res):
        self._log_event('runner_on_unreachable', host=host, res=res)

    def runner_on_no_hosts(self):
        self._log_event('runner_on_no_hosts')

    def runner_on_async_poll(self, host, res, jid, clock):
        self._log_event('runner_on_async_poll', host=host, res=res, jid=jid,
                        clock=clock)

    def runner_on_async_ok(self, host, res, jid):
        self._log_event('runner_on_async_ok', host=host, res=res, jid=jid)

    def runner_on_async_failed(self, host, res, jid):
        self._log_event('runner_on_async_failed', host=host, res=res, jid=jid)

    def playbook_on_start(self):
        self._log_event('playbook_on_start')

    def playbook_on_notify(self, host, handler):
        self._log_event('playbook_on_notify')

    def playbook_on_task_start(self, name, is_conditional):
        self._log_event('playbook_on_task_start', name=name,
                        is_conditional=is_conditional)

    def playbook_on_vars_prompt(self, varname, private=True, prompt=None,
                                encrypt=None, confirm=False, salt_size=None,
                                salt=None, default=None):
        self._log_event('playbook_on_vars_prompt', varname=varname,
                        private=private, prompt=prompt, encrypt=encrypt,
                        confirm=confirm, salt_size=salt_size, salt=salt,
                        default=default)

    def playbook_on_setup(self):
        self._log_event('playbook_on_setup')

    def playbook_on_import_for_host(self, host, imported_file):
        self._log_event('playbook_on_import_for_host', host=host,
                        imported_file=imported_file)

    def playbook_on_not_import_for_host(self, host, missing_file):
        self._log_event('playbook_on_not_import_for_host', host=host,
                        missing_file=missing_file)

    def playbook_on_play_start(self, pattern):
        self._log_event('playbook_on_play_start', pattern=pattern)

    def playbook_on_stats(self, stats):
        d = {}
        for attr in ('changed', 'dark', 'failures', 'ok', 'processed', 'skipped'):
            d[attr] = getattr(stats, attr)
        self._log_event('playbook_on_stats', **d)