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+#!/usr/bin/python3
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+# graylog system notification script
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+# Copyright (C) 2022 Philipp Fromme
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+#
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+# This program is free software: you can redistribute it and/or modify
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+# it under the terms of the GNU General Public License as published by
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+# the Free Software Foundation, either version 3 of the License, or
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+# (at your option) any later version.
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+#
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+# This program is distributed in the hope that it will be useful,
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+# but WITHOUT ANY WARRANTY; without even the implied warranty of
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+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+# GNU General Public License for more details.
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+#
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+# You should have received a copy of the GNU General Public License
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+# along with this program. If not, see <https://www.gnu.org/licenses/>.
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+
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+import argparse
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+import configparser
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+import logging
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+import json
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+import requests
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+
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+api_token = '{{ graylog_config['api_token'] }}'
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+api_token_password = 'token'
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+api_url_base = 'http://127.0.0.1:9000/api'
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+headers = {'Content-Type': 'application/json', 'X-Requested-By': 'cli'}
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+
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+logging.basicConfig(format='%(message)s', datefmt='%b %d %H:%M:%S',
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+ level='WARNING')
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+LOGGER = logging.getLogger()
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+
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+def get_request(url):
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+ api_url = '{}/{}'.format(api_url_base, url)
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+ response = requests.get(api_url, headers=headers, auth=(api_token, api_token_password))
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+ if response.status_code == 200:
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+ return json.loads(response.content.decode('utf-8'))
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+ else:
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+ return None
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+
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+def get_system_notifications():
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+ return get_request('system/notifications')
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+
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+def get_system():
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+ return get_request('system')
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+
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+def main():
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+ parser = argparse.ArgumentParser(description="Get system notifications of a graylog instance")
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+ parser.add_argument("--node", "-n", help="Show the affected node id", action="store_true")
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+ parser.add_argument("--level", "-l", help="Set the log level", default="WARNING")
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+ args = parser.parse_args()
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+
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+ LOGGER.setLevel(args.level)
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+
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+ notifications = get_system_notifications()
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+ LOGGER.debug(notifications)
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+ if notifications['total'] == 0:
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+ LOGGER.info('No messages')
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+ exit(0)
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+ else:
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+ for note in notifications['notifications']:
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+ output = ''
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+ output += 'Severity: {}\n'.format(note['severity'])
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+ output += 'Type: {}\n'.format(note['type'])
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+ if 'details' in note:
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+ output += 'Details: {}\n'.format(note['details'])
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+ output += 'Timestamp: {}\n'.format(note['timestamp'])
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+ if args.node:
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+ output += 'Node ID: {}\n'.format(note['node_id'])
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+ LOGGER.warning(output)
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+
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+if __name__ == "__main__":
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+ main()
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