aboutsummaryrefslogtreecommitdiffstats
path: root/extra/docker/elk/tools/DMaaPServiceMocker/ds_mocker.py
blob: 8710c33065a26bac7e0d5afba00b743184f1202b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
#!/usr/bin/env python3
import os
import json
import copy
import random
import requests
import uuid
import time
from datetime import datetime

def luck(n=2):
    """ gives 1 chance out of n (default: 2) to return True """
    assert n > 1
    return bool(random.randint(0, n-1))
def now_dmaap_timestamp():
    return str(datetime.now().timestamp()).replace(".","")[:13]
def now_notification_time():
    return datetime.now().strftime("%Y-%m-%d %H:%M:%S.%f+00:00")

CONTROL_LOOP_NAMES = [
    'CL-vCPE-d925ed73',
    'CL-vCPE-37b1c91e',
    'CL-vCPE-c2597657',
    'CL-vCPE-a11318ba',
    'CL-vCPE-5321c558',
]

TEMPLATES = {
    'event_abated'                   :'event_abated.json',
    'event_onset'                    :'event_onset.json',
    'notification_active'            :'notification_active.json',
    'notification_final_failed'      :'notification_final_failed.json',
    'notification_final_open'        :'notification_final_open.json',
    'notification_final_success'     :'notification_final_success.json',
    'notification_operation_failure' :'notification_operation_failure.json',
    'notification_operation'         :'notification_operation.json',
    'notification_operation_success' :'notification_operation_success.json',
    'notification_rejected_disabled' :'notification_rejected_disabled.json',
    'notification_rejected_missing'  :'notification_rejected_missing.json',
}

for key in TEMPLATES:
    with open(TEMPLATES[key]) as f:
        content = f.read()
    TEMPLATES[key] = json.loads(content)


class DMaaPMessage(dict):

    dmaap_host_url = "http://dmaap.host.url:9200/"
    dmaap_username = None
    dmaap_password = None

    @classmethod
    def from_template(cls, tmpl, **kwargs):
        obj = cls()
        obj.update(copy.deepcopy(TEMPLATES[tmpl]))
        for keys,value in kwargs.items():
            current_node = obj
            keys = keys.split(".")
            key = keys[0]
            for i in range(len(keys) - 1):
                current_node = current_node[keys[i]]
                key = keys[i]
            current_node[key] = value
        return obj

    def publish(self, topic):
        url = "%s/events/%s" % (self.dmaap_host_url, topic)
        auth = None
        if self.dmaap_username and self.dmaap_password:
            auth = (self.dmaap_username, self.dmaap_password)
        response = requests.post(url, data=json.dumps(self), auth=auth)
        return response.status_code

class Event(DMaaPMessage):

    topic = "DCAE-CL-EVENT"

    @staticmethod
    def abated(**kwargs):
        return Event.from_template('event_abated', **kwargs)

    @staticmethod
    def onset(**kwargs):
        return Event.from_template('event_onset', **kwargs)

    def publish(self):
        return super().publish(self.topic)


class Notification(DMaaPMessage):

    topic = "POLICY-CL-MGT"

    @classmethod
    def from_template(cls, tmpl, **kwargs):
        kwargs['notificationTime'] = now_notification_time()
        return super().from_template(tmpl, **kwargs)

    @staticmethod
    def active(**kwargs):
        return Notification.from_template('notification_active', **kwargs)

    @staticmethod
    def final(**kwargs):
        class FinalNotification(Notification):
            @staticmethod
            def success(**kwargs):
                return FinalNotification.from_template('notification_final_success', **kwargs)
            @staticmethod
            def failed(**kwargs):
                return FinalNotification.from_template('notification_final_failed', **kwargs)
            @staticmethod
            def open(**kwargs):
                return FinalNotification.from_template('notification_final_open', **kwargs)
        return FinalNotification

    @staticmethod
    def operation(**kwargs):
        class OperationNotification(Notification):
            @staticmethod
            def success(**kwargs):
                return OperationNotification.from_template('notification_operation_success', **kwargs)
            @staticmethod
            def failure(**kwargs):
                return OperationNotification.from_template('notification_operation_failure', **kwargs)
        return OperationNotification.from_template('notification_operation', **kwargs)

    @staticmethod
    def rejected(**kwargs):
        class RejectedNotification(Notification):
            @staticmethod
            def disabled(**kwargs):
                return RejectedNotification.from_template('notification_rejected_disabled', **kwargs)
            @staticmethod
            def missing_fields(**kwargs):
                return RejectedNotification.from_template('notification_rejected_missing', **kwargs)

        return RejectedNotification

    def publish(self):
        return super().publish(self.topic)



class CLStatus(object):

    def __init__(self, dmaap_url=None,
                 missing=None, disabled=None, op_failure=None):
        self._stopped = False
        def maybe(thing):
            if thing is None:
                thing = not luck(10)
            return thing
        self._missing = maybe(missing)
        self._disabled = maybe(disabled)
        self._op_failure = maybe(op_failure)
        self._config = dict(
            requestID=str(uuid.uuid4()),
            closedLoopControlName=CONTROL_LOOP_NAMES[random.randint(0, len(CONTROL_LOOP_NAMES) - 1)]
        )

    def __iter__(self):
        return next(self)

    def __next__(self):
        if self._stopped:
            raise StopIteration()
        config = self._config
        config.update(dict(closedLoopAlarmStart=now_dmaap_timestamp()))
        yield Event.onset(**config)
        if self._missing:
            self._stopped = True
            yield Notification.rejected().missing_fields(**config)
            raise StopIteration()
        elif self._disabled:
            self._stopped = True
            yield Notification.rejected().disabled(**config)
            raise StopIteration()

        yield Notification.active(**config)
        yield Notification.operation(**config)

        config['closedLoopAlarmEnd'] = now_dmaap_timestamp()
        if self._op_failure:
            yield Notification.operation().failure(**config)
            self._stopped = True
            yield Notification.final().failed(**config)
        else:
            yield Notification.operation().success(**config)
            yield Event.abated(**config)
            self._stopped = True
            yield Notification.final().success(**config)
        raise StopIteration()

def print_usage():
    print("""
    ./ds_mocker.py <DMAAP_URL> <EVENT_TOPIC> [NOTIFICATION_TOPIC [REQUEST_TOPIC]]
    """)
    exit()

def push(test_datas):
    for current_i, status in enumerate(test_datas):
        time.sleep(random.randint(0,3))
        for s in status:
            # print(s)
            status_code = s.publish()
            if status_code != 200:
                print("Error when publishing : status_code={}".format(status_code))
                exit(1)
            time.sleep(random.randint(0,3))
        print("%03d,missing:%5s,disabled:%5s,op_failure:%5s - %s" % (current_i, status._missing, status._disabled, status._op_failure, status._config))


def generate_dataset_1():
    test_datas = [CLStatus(missing=False, disabled=False, op_failure=False) for i in range(45)]  \
             + [CLStatus(missing=True, disabled=False, op_failure=False) for i in range(5)]  \
             + [CLStatus(missing=False, disabled=True, op_failure=False) for i in range(6)]  \
             + [CLStatus(missing=False, disabled=False, op_failure=True) for i in range(7)]
    random.shuffle(test_datas)
    return test_datas


if __name__ == "__main__":
    import sys
    if len(sys.argv) < 3:
        print_usage()

    DMaaPMessage.dmaap_host_url = sys.argv[1]
    Event.topic = sys.argv[2]
    Notification.topic = len(sys.argv) > 3 and sys.argv[3] or sys.argv[2]
    # Request.topic = len(sys.argv) > 4 or Notification.topic
    push(generate_dataset_1())