149 lines
5.2 KiB
Python
149 lines
5.2 KiB
Python
# -*- coding: utf-8 -*-
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# vim: ai ts=4 sts=4 et sw=4 encoding=utf-8
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""" Monitoring
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Template-specific Monitoring Tasks are defined here.
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@copyright: 2014-2019 (c) Sahana Software Foundation
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@license: MIT
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Permission is hereby granted, free of charge, to any person
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obtaining a copy of this software and associated documentation
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files (the "Software"), to deal in the Software without
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restriction, including without limitation the rights to use,
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copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following
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conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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OTHER DEALINGS IN THE SOFTWARE.
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"""
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__all__ = ("S3Monitor",)
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import datetime
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import platform
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import subprocess
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from gluon import current
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#from gluon.tools import fetch
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# =============================================================================
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class S3Monitor(object):
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"""
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Monitoring Check Scripts
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"""
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# -------------------------------------------------------------------------
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@staticmethod
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def ping(task_id, run_id):
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"""
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Ping a server
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"""
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s3db = current.s3db
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# Read the IP to Ping
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ttable = s3db.setup_monitor_task
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stable = s3db.setup_server
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query = (ttable.id == task_id) & \
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(ttable.server_id == stable.id)
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row = current.db(query).select(stable.host_ip,
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limitby = (0, 1)
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).first()
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host_ip = row.host_ip
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try:
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output = subprocess.check_output("ping -{} 1 {}".format("n" if platform.system().lower == "windows" else "c", host_ip), shell=True)
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except Exception as e:
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# Critical: Ping failed
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return 3
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else:
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# OK
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return 1
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# -------------------------------------------------------------------------
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#@staticmethod
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#def http(task_id, run_id):
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# """
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# Test that HTTP is accessible
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# """
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# -------------------------------------------------------------------------
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#@staticmethod
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#def https(task_id, run_id):
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# """
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# Test that HTTPS is accessible
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# @ToDo: Check that SSL certificate hasn't expired
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# """
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# -------------------------------------------------------------------------
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@staticmethod
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def email_round_trip(task_id, run_id):
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"""
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Check that a Mailbox is being Polled & Parsed OK and can send replies
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"""
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# Read the Task Options
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otable = current.s3db.setup_monitor_task_option
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query = (otable.task_id == task_id) & \
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(otable.deleted == False)
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rows = current.db(query).select(otable.tag,
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otable.value,
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)
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options = dict((row.tag, row.value) for row in rows)
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to = options.get("to", None)
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if not to:
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return False
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subject = options.get("subject", "")
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message = options.get("message", "")
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reply_to = options.get("reply_to")
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if not reply_to:
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# Use the outbound email address
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reply_to = current.deployment_settings.get_mail_sender()
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if not reply_to:
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return False
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# Append the run_id for the remote parser to identify as a monitoring message & return to us to be able to match the run
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message = "%s\n%s" % (message, ":run_id:%s:" % run_id)
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# Append the reply_to address for the remote parser
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message = "%s\n%s" % (message, ":reply_to:%s:" % reply_to)
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# Send the Email
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result = current.msg.send_email(to,
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subject,
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message,
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reply_to=reply_to)
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if result:
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# Schedule a task to see if the reply has arrived after 1 hour
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start_time = datetime.datetime.utcnow() + datetime.timedelta(hours=1)
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current.s3task.schedule_task("setup_monitor_check_email_reply",
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args = [run_id],
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start_time = start_time,
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timeout = 300, # seconds
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repeats = 1 # one-time
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)
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# Warning: No reply received yet
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return 2
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else:
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# Critical: Unable to send Email
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return 3
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# END =========================================================================
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