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blueprint:

NorthStar (v5) and HealthBot (v2.0.2)

video


NortStar or NS login

https://<ip@><port>

admin // Juniper!1

HealthBot

SSH or https://

jcluser // Juniper!1





healthbot_listener.py


Code Block
titleHealthBot Listener script
collapsetrue
# We need to import request to access the details of the POST request
from flask import Flask, request
from flask_restful import abort
import commands
import json
import pprint
import requests
import os
import user_functions
requests.packages.urllib3.disable_warnings()

# Initialize the Flask application
app = Flask(__name__)

@app.route('/', methods=['POST'])
def app_message_post():
    print "#################  Start  #######################"
    if request.headers['Content-Type'] != 'application/json':
        abort(400, message="Expected Content-Type = application/json")
    try:
        data = request.json
        print data
        message = data['message']
        print "message " + message
        playbook_name = data['keys']['_playbook_name']
        print "playbook_name " + playbook_name
        #test_name = data['keys']['test-name']
        #print "interface-name " + test_name
        device_id = data['device-id']
        #print device_id + "  " + message
        #if spec['eventRuleId'] == g_rule_id:
        #    state = status['state']
        #    device_id = status['entityId']
        #    if state == "active" and device_id == g_device_id:
        #        print 'DATA_ACTIVE :: ', pprint.pprint(data)
        #        user_functions.move_traffic()
        #        print 'traffic detoured and Slack was notified'
        #    elif state == "inactive":
        #        #print 'DATA_INACTIVE :: ', pprint.pprint(data)
        #        print 'LSP path can be changed back'
        #return json.dumps({'result': 'OK'})
        if playbook_name == "cpu_openconfig":
            print "received cpu high alert"
            if "exceeds high threshold" in message:
                print 'CPU HIGH UTIL DETECTED for ' + device_id
                print 'PERFORMING EXHUASTIVE LINK FAILURE SIMULATION for ' + device_id
                #create maintenance for simulation purpose
                rest_index_number = user_functions.get_node_info(device_id)
                rest_payload = user_functions.generate_maitenance_json(rest_index_number, 'for_simulation', 'node')
                maintenance_event = user_functions.create_maintenance(rest_payload)
                maintenance_index = maintenance_event.json()['maintenanceIndex']
                check_simulation = user_functions.check_if_simulation_pass()
                print "simulation result " + check_simulation
                user_functions.delete_maintenance(maintenance_index)
                print "delete temp maintenace"
                if check_simulation == 'true':
                    print 'CPU HIGH UTIL DETECTED PUT NODE UNDER MAINTENANCE::'
                    # pprint.pprint(data)
                    #print "rest_node_name, rest_index_number" +  rest_node_name +  rest_index_number
                    rest_payload = user_functions.generate_maitenance_json(rest_index_number, 'for_maint', 'node')
                    print rest_payload
                    user_functions.create_maintenance(rest_payload)
                else:
                    print 'CANNOT PUT ' + device_id + ' UNDER MAINTENANCE. EXHUASTIVE FAILURE SIMULATION NOT PASSED'
            elif "is normal" in message:
                #print 'DATA_INACTIVE :: ', pprint.pprint(data)
                print 'CPU util back to normal. '
        print '###############################'
        if playbook_name == "delay":
            print "received delay alert"
            source_address = data['keys']['source-address']
            #print "interface-ip " + source_address
            #target_address = data['keys']['target_address']
            #print "message" + message
            if "exceeds delay threshold" in message:
                print "HIGH DELAY DETECTED for  " + device_id + " " + source_address
                print "PERFORMING EXHUASTIVE LINK FAILURE SIMULATION for " + device_id + " " + source_address
                #create maintenance for simulation purpose
                rest_index_number = user_functions.get_link_info_from_ip(source_address)
                rest_payload = user_functions.generate_maitenance_json(rest_index_number, 'for_simulation', 'link')
                maintenance_event = user_functions.create_maintenance(rest_payload)
                maintenance_index = maintenance_event.json()['maintenanceIndex']
                check_simulation = user_functions.check_if_simulation_pass()
                print "SIMULATION RESULT " + check_simulation
                user_functions.delete_maintenance(maintenance_index)
                #print "delete temp maintenace"
                if check_simulation == "true":
                    print "HIGH DELAY DETECTED PUT LINK UNDER MAINTENANCE::"
                    # pprint.pprint(data)
                    #print "rest_node_name, rest_index_number" +  rest_node_name +  rest_index_number
                    rest_payload = user_functions.generate_maitenance_json(rest_index_number, 'for_maint', 'link')
                    print rest_payload
                    user_functions.create_maintenance(rest_payload)
                else:
                    print "CANNOT PUT " + device_id + " " + source_address + " UNDER MAINTENANCE. EXHUASTIVE FAILURE SIMULATION NOT PASSED"
            elif "is normal" in message:
                #print 'DATA_INACTIVE :: ', pprint.pprint(data)
                print "DELAY back to normal. "
        print "###############################"
        """
        if event_rule_id == AppFormixInterfaceL3IncompleteEventID:
            print "Received interface l3 incomplete alert"
            if state == "active":
                rest_payload = user_functions.generate_link_maitenance_json()
                print rest_payload
                user_functions.create_maintenance(rest_payload)
                print 'Put problematic link into maintenance mode'
            elif state == "inactive":
            # print 'DATA_INACTIVE :: ', pprint.pprint(data)
                print 'link back to normal. you can complete the maintenance event'
        """
        return json.dumps({'result': 'OK'})
    except Exception as e:
        abort(400, message="Exception processing request: {0}".format(e))
        print '...'


if __name__ == '__main__':
    app.run(
        host="0.0.0.0",
        port=int("10000")
    )


add delay 

Log into the CentOS  ( jcluser / Juniper!1 )

[root@CentOS ~]# more add_delay.sh
tc qdisc add dev eth1 root netem delay 300ms
echo "300 ms delay added between vMX-5 and vMX-6"
[root@CentOS ~]#



healthbot_listener.py output


Code Block
titleoutput
collapsetrue
jcluser@ubuntu:~/self_healing$ python healthbot_listener.py
/usr/local/lib/python2.7/dist-packages/urllib3/connectionpool.py:1004: InsecureRequestWarning: Unverified HTTPS request is being ma        de. Adding certificate verification is strongly advised. See: https://urllib3.readthedocs.io/en/latest/advanced-usage.html#ssl-warn        ings
  InsecureRequestWarning,
 * Serving Flask app "healthbot_listener" (lazy loading)
 * Environment: production
   WARNING: This is a development server. Do not use it in a production deployment.
   Use a production WSGI server instead.
 * Debug mode: off
 * Running on http://0.0.0.0:10000/ (Press CTRL+C to quit)



 #################  Start  #######################
{u'group': u'group_all', u'severity': u'major', u'keys': {u'_instance_id': u'["delay"]', u'source-address': u'7.105.106.1', u'_play        book_name': u'delay'}, u'device-id': u'vMX-5', u'rule': u'probe_delay', u'topic': u'probe-delay', u'trigger': u'probe_exceed', u'me        ssage': u'7.105.106.1 ge-0/0/3.0 delay is 303099  exceeds delay threshold 200000 us.  '}
message 7.105.106.1 ge-0/0/3.0 delay is 303099  exceeds delay threshold 200000 us.
playbook_name delay
###############################

received delay alert
HIGH DELAY DETECTED for  vMX-5 7.105.106.1
PERFORMING EXHUASTIVE LINK FAILURE SIMULATION for vMX-5 7.105.106.1
    {
        "topoObjectType": "maintenance",
        "topologyIndex": 1,
        "user": "admin",
        "name": "created_for_simulation",
        "startTime": "20200716T230300Z",
        "endTime": "20200718T150300Z",
        "elements": [
            {
                "topoObjectType": "link",
                "index": 9
            }
        ]
    }

SIMULATION RESULT true
HIGH DELAY DETECTED PUT LINK UNDER MAINTENANCE::
    {
        "topoObjectType": "maintenance",
        "topologyIndex": 1,
        "user": "admin",
        "name": "Healthbot-link-health-alert202007141103",
        "startTime": "20200714T110400Z",
        "endTime": "20200718T150300Z",
        "elements": [
            {
                "topoObjectType": "link",
                "index": 9
            }
        ]
    }

    {
        "topoObjectType": "maintenance",
        "topologyIndex": 1,
        "user": "admin",
        "name": "Healthbot-link-health-alert202007141103",
        "startTime": "20200714T110400Z",
        "endTime": "20200718T150300Z",
        "elements": [
            {
                "topoObjectType": "link",
                "index": 9
            }
        ]
    }

###############################
172.22.0.3 - - [14/Jul/2020 04:03:29] "POST / HTTP/1.1" 200 -
#################  Start  #######################
{u'group': u'group_all', u'severity': u'major', u'keys': {u'_instance_id': u'["delay"]', u'source-address'                                 : u'7.105.106.2', u'_playbook_name': u'delay'}, u'device-id': u'vMX-6', u'rule': u'probe_delay', u'topic':                                  u'probe-delay', u'trigger': u'probe_exceed', u'message': u'7.105.106.2 ge-0/0/3.0 delay is 274028  exceed                                 s delay threshold 200000 us.  '}
message 7.105.106.2 ge-0/0/3.0 delay is 274028  exceeds delay threshold 200000 us.
playbook_name delay
###############################
received delay alert
HIGH DELAY DETECTED for  vMX-6 7.105.106.2
PERFORMING EXHUASTIVE LINK FAILURE SIMULATION for vMX-6 7.105.106.2
    {
        "topoObjectType": "maintenance",
        "topologyIndex": 1,
        "user": "admin",
        "name": "created_for_simulation",
        "startTime": "20200716T230400Z",
        "endTime": "20200718T150400Z",
        "elements": [
            {
                "topoObjectType": "link",
                "index": 9
            }
        ]
    }

SIMULATION RESULT true
HIGH DELAY DETECTED PUT LINK UNDER MAINTENANCE::
    {
        "topoObjectType": "maintenance",
        "topologyIndex": 1,
        "user": "admin",
        "name": "Healthbot-link-health-alert202007141104",
        "startTime": "20200714T110500Z",
        "endTime": "20200718T150400Z",
        "elements": [
            {
                "topoObjectType": "link",
                "index": 9
            }
        ]
    }

    {
        "topoObjectType": "maintenance",
        "topologyIndex": 1,
        "user": "admin",
        "name": "Healthbot-link-health-alert202007141104",
        "startTime": "20200714T110500Z",
        "endTime": "20200718T150400Z",
        "elements": [
            {
                "topoObjectType": "link",
                "index": 9
            }
        ]
    }

###############################
172.22.0.3 - - [14/Jul/2020 04:04:29] "POST / HTTP/1.1" 200 -











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