131 lines
4.0 KiB
Python
131 lines
4.0 KiB
Python
# (C) Copyright 2015,2016 Hewlett Packard Enterprise Development LP
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import logging
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import time
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from monasca_common.simport import simport
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from monasca_notification.plugins import email_notifier
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from monasca_notification.plugins import pagerduty_notifier
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from monasca_notification.plugins import webhook_notifier
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log = logging.getLogger(__name__)
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possible_notifiers = None
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configured_notifiers = None
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statsd_counter = None
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statsd = None
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statsd_timer = None
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def init(statsd_obj):
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global statsd, statsd_timer, \
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possible_notifiers, configured_notifiers,\
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statsd_counter
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statsd = statsd_obj
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statsd_timer = statsd.get_timer()
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statsd_counter = {}
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configured_notifiers = {}
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possible_notifiers = [
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email_notifier.EmailNotifier(log),
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webhook_notifier.WebhookNotifier(log),
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pagerduty_notifier.PagerdutyNotifier(log)
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]
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def load_plugins(config):
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global possible_notifiers
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for plugin_class in config.get("plugins", []):
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try:
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possible_notifiers.append(simport.load(plugin_class)(log))
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except Exception:
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log.exception("unable to load the class {0} , ignoring it".format(plugin_class))
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def enabled_notifications():
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global configured_notifiers
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results = []
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for key in configured_notifiers:
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results.append(key.upper())
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return results
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def config(cfg):
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global possible_notifiers, configured_notifiers, statsd_counter
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formatted_config = {t.lower(): v for t, v in cfg.items()}
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for notifier in possible_notifiers:
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ntype = notifier.type.lower()
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if ntype in formatted_config:
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try:
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notifier.config(formatted_config[ntype])
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configured_notifiers[ntype] = notifier
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statsd_counter[ntype] = statsd.get_counter(notifier.statsd_name)
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log.info("{} notification ready".format(ntype))
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except Exception:
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log.exception("config exception for {}".format(ntype))
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else:
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log.warn("No config data for type: {}".format(ntype))
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config_with_no_notifiers = set(formatted_config.keys()) - set(configured_notifiers.keys())
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# Plugins section contains only additional plugins and should not be
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# considered as a separate plugin
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if 'plugins' in config_with_no_notifiers:
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config_with_no_notifiers.remove('plugins')
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if config_with_no_notifiers:
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log.warn("No notifiers found for {0}". format(", ".join(config_with_no_notifiers)))
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def send_notifications(notifications):
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sent = []
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failed = []
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invalid = []
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for notification in notifications:
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ntype = notification.type
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if ntype not in configured_notifiers:
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log.warn("attempting to send unconfigured notification: {}".format(ntype))
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invalid.append(notification)
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continue
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notification.notification_timestamp = time.time()
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with statsd_timer.time(ntype + '_time'):
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result = send_single_notification(notification)
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if result:
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sent.append(notification)
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statsd_counter[ntype].increment(1)
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else:
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failed.append(notification)
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return sent, failed, invalid
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def send_single_notification(notification):
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global configured_notifiers
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ntype = notification.type
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try:
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return configured_notifiers[ntype].send_notification(notification)
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except Exception:
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log.exception("send_notification exception for {}".format(ntype))
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return False
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