old_contents: '''
  Simple webhook bridge
  Accepts alert json from Alert Manager and then POSTs individual alerts to
  configured webhook destinations
  '''
  
  import logging
  import requests
  from promgen.sender import SenderBase
  
  logger = logging.getLogger(__name__)
  
  
  class SenderWebhook(SenderBase):
      def _send(self, url, alert, data):
          body = {
              'prometheus': alert['generatorURL'],
              'status': alert['status'],
              'alertmanager': data['externalURL']
          }
          body.update(alert['labels'])
          body.update(alert['annotations'])
  
          requests.post(url, body).raise_for_status()
          return True
  
new_contents: '''
  Simple webhook bridge
  Accepts alert json from Alert Manager and then POSTs individual alerts to
  configured webhook destinations
  '''
  
  import logging
  
  import requests
  
  from promgen.sender import SenderBase
  
  logger = logging.getLogger(__name__)
  
  
  class SenderWebhook(SenderBase):
      def _send(self, url, alert, data):
          body = {
              'prometheus': alert['generatorURL'],
              'status': alert['status'],
              'alertmanager': data['externalURL']
          }
          body.update(alert.get('labels', {}))
          body.update(alert.get('annotations', {}))
  
          requests.post(url, body).raise_for_status()
          return True
  
subject: Fix case where annotations may not exist