monasca-events-api/demo/demo.py
2015-07-31 11:04:55 -06:00

142 lines
3.7 KiB
Python
Executable File

#!/opt/monasca/bin/python
# Copyright (c) 2015 Hewlett-Packard Development Company, L.P.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# This script is designed to demo the entire Monasca Events package.
# It will post a stream defintion and transform defintion,
# and then it'll generate events at 5 per minute
import datetime
import json
import kafka
import sys
import time
import notigen
import requests
import yaml
from monascaclient import ksclient
events_url = "http://192.168.10.4:8082/v2.0"
def token():
keystone = {
'username': 'mini-mon',
'password': 'password',
'project': 'test',
'auth_url': 'http://192.168.10.5:35357/v3'
}
ks_client = ksclient.KSClient(**keystone)
return ks_client.token
headers = {
'X-Auth-User': 'mini-mon',
'X-Auth-Key': 'password',
'X-Auth-Token': token(),
'Accept': 'application/json',
'User-Agent': 'python-monascaclient',
'Content-Type': 'application/json'}
def stream_definition_post():
body = {}
notif_resp = requests.get(
url="http://192.168.10.4:8080/v2.0/notification-methods",
data=json.dumps(body), headers=headers)
notif_dict = json.loads(notif_resp.text)
action_id = str(notif_dict['elements'][0]['id'])
body = {"fire_criteria": [{"event_type": "compute.instance.create.start"},
{"event_type": "compute.instance.create.end"}],
"description": "provisioning duration",
"name": "Example Stream Definition",
"group_by": ["instance_id"],
"expiration": 3000,
"select": [{"traits": {"tenant_id": "406904"},
"event_type": "compute.instance.create.*"}],
"fire_actions": [action_id],
"expire_actions": [action_id]}
response = requests.post(
url=events_url + "/stream-definitions",
data=json.dumps(body),
headers=headers)
def transform_definition_post():
# Open example yaml file and post to DB
fh = open('files/transform_definition.yaml', 'r')
specification_data = yaml.load(fh)
body = {
"name": 'Example Transform Definition',
"description": 'an example description',
"specification": str(specification_data)
}
response = requests.post(
url=events_url + "/transforms",
data=json.dumps(body),
headers=headers)
def event_generator():
# generate 5 events per minute
g = notigen.EventGenerator("files/event_templates", operations_per_hour=300)
now = datetime.datetime.utcnow()
start = now
nevents = 0
length = 0
while nevents < 300:
e = g.generate(now)
if e:
nevents += len(e)
key = time.time() * 1000
msg = e
if len(msg) > length:
length = len(msg)
print("Max notification size: {}".format(length))
response = requests.post(
url=events_url + "/events",
data=json.dumps(msg),
headers=headers)
now = datetime.datetime.utcnow()
time.sleep(0.01)
def main():
stream_definition_post()
transform_definition_post()
event_generator()
if __name__ == "__main__":
sys.exit(main())