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Simple Message generator for Google Cloud Pub/Sub
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#!/usr/bin/env python | |
# Code modified from https://cloud.google.com/dataflow/docs/samples/join-streaming-data-with-sql#expandable-3 | |
import datetime, json, os, random, time | |
# Set the `project` variable to a Google Cloud project ID. | |
project = 'GCP-PROJECT-ID' | |
BRANCH = ['LIM', 'BOG', 'SFO', 'LAX', 'PEK', 'ATL', 'CDG', 'AMS', | |
'HKG', 'ICN', 'FRA', 'MAD', 'SEA', 'LAS', 'SIN', 'BKK', 'DFW', | |
'DXB', 'LHR', 'DEL', 'BCN', 'SZX', 'KUL', 'JFK'] | |
TRANSACTION = ['A00001', 'B00001', 'C00001', 'D00001', 'E00001', 'F00001', 'G00001', | |
'H00001', 'I00001', 'F00001', 'G00001', 'H00001', 'I00001', 'J00001', 'K00001', 'L00001', | |
'M00001', 'N00001', 'O00001', 'P00001', 'Q00001', 'R00001', 'S00001', 'T00001', 'U00001'] | |
while True: | |
data = { | |
'tr_time_str': datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S"), | |
'branch_txn': random.choice(BRANCH), | |
'transaction_id': random.choice(TRANSACTION), | |
'price': float(random.randrange(50000, 70000)) / 100, | |
} | |
# For a more complete example on how to publish messages in Pub/Sub. | |
# https://cloud.google.com/pubsub/docs/publisher | |
message = json.dumps(data) | |
command = "gcloud --project={} pubsub topics publish sales --message='{}'".format(project, message) | |
print(command) | |
#os.system(command) | |
time.sleep(random.randrange(1, 5)) |
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