check_vault_version.py

#!/usr/bin/env python
#  coding=utf-8
#  vim:ts=4:sts=4:sw=4:et
#
#  Author: Hari Sekhon
#  Date: 2018-03-14 18:04:54 +0000 (Wed, 14 Mar 2018)
#
#  https://github.com/harisekhon/nagios-plugins
#
#  License: see accompanying Hari Sekhon LICENSE file
#
#  If you're using my code you're welcome to connect with me on LinkedIn
#  and optionally send me feedback to help steer this or other code I publish
#
#  https://www.linkedin.com/in/harisekhon
#

"""

Nagios Plugin to check the version of a HashiCorp Vault instance via its API

Tested on Vault 0.6, 0.7, 0.8, 0.9

"""

from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
from __future__ import unicode_literals

import os
import sys
import traceback
srcdir = os.path.abspath(os.path.dirname(__file__))
libdir = os.path.join(srcdir, 'pylib')
sys.path.append(libdir)
try:
    # pylint: disable=wrong-import-position
    from harisekhon import RestVersionNagiosPlugin
except ImportError as _:
    print(traceback.format_exc(), end='')
    sys.exit(4)

__author__ = 'Hari Sekhon'
__version__ = '0.1'


class CheckVaultVersion(RestVersionNagiosPlugin):

    def __init__(self):
        # Python 2.x
        super(CheckVaultVersion, self).__init__()
        # Python 3.x
        # super().__init__()
        self.name = 'Vault'
        self.default_port = 8200
        self.path = '/v1/sys/health'
        self.auth = False
        self.json = True
        self.msg = 'Vault msg not defined yet'

    def add_options(self):
        super(CheckVaultVersion, self).add_options()

    def process_options(self):
        super(CheckVaultVersion, self).process_options()

    # must conform to parent class API so cannot be static method
    # pylint: disable=no-self-use
    def parse_json(self, json_data):
        return json_data['version']


if __name__ == '__main__':
    CheckVaultVersion().main()