def buy_drink(drink, payment, name):
span = trace.newspan(tracer, None, 'transaction')
span.set_tag('drink', drink)
span.set_tag('customer', name)
span.set_tag('payment', payment)
res = trace.inject_in_header(tracer, span, {})
span.finish()
if True:
print(name + ' buys ' + drink)
API.call_api(data_server, data_port, '/wip/add/' + drink, res)
API.call_api(data_server, data_port, '/add/client', res)
r = API.call_api(produce_server, produce_port, '/produce/' + drink,
res)
if r.status_code == 200:
r = API.call_api(bill_server, bill_port,
'/bill/' + payment + '/' + name, res)
if r.status_code == 200:
span.set_tag('error', False)
else:
span.set_tag('error', True)
span.set_tag('bill', r.status_code)
else:
span.set_tag('error', True)
response = app.response_class(response=json.dumps(res),
status=r.status_code,
mimetype='application/json')
API.call_api(data_server, data_port, '/wip/sup/' + drink, res)
return response
def produce_drink(drink):
print('produce '+drink)
response = app.response_class(
status=404,
mimetype='application/json'
)
span = trace.newspan(
tracer,
trace.getparentspanfromheader(tracer, request),
drink
)
res = trace.inject_in_header(tracer, span, {})
result = API.call_api(data_server, data_port, '/state', res)
decoded = result.content.decode()
_state = json.loads(decoded)
error = False
if True:
if _state['water'] <= 0:
API.call_api(data_server, data_port, '/resource/add/water', res)
else:
if drink == 'coffee' and _state['coffee_bean'] <= 0:
API.call_api(data_server, data_port, '/resource/add/' + drink, res)
error = True
span.set_tag('reason', 'need ' + drink)
elif drink == 'tea' and _state['tea_leaf'] <= 0:
API.call_api(data_server, data_port, '/resource/add/' + drink, res)
error = True
span.set_tag('reason', 'need '+drink)
else:
r = API.call_api(data_server, data_port, '/consume/water', res)
if r.status_code == 200:
API.call_api(data_server, data_port, '/consume/'+drink, res)
time.sleep(random.randint(0, 500) / 1000)
response = app.response_class(
status=200,
mimetype='application/json'
)
print(drink + ' produced')
# span.status = status.Status( response.status,'TODO')
span.set_tag('error', error)
span.finish()
return response
def consume(r):
global tea_leaf, coffee_bean, water
s = 200
print('consume ' + r)
span = trace.newspan(tracer,
trace.getparentspanfromheader(tracer, request),
'consume ' + r)
res = trace.inject_in_header(tracer, span, {})
error = False
if resources[r] <= 0:
API.call_api(
data_server,
data_port,
'/resource/add/' + r,
res,
)
s = 404
error = True
else:
resources[r] += -1
json_body = [{
"measurement": "rt",
"tags": {
"type": r
},
"fields": {
"resource": resources[r],
"movement": -1
}
}]
client_influx.write_points(json_body)
time.sleep(random.randint(0, 50) / 1000)
print(r + ' ' + str(resources[r]))
span.set_tag('error', error)
res = {}
response = app.response_class(response=json.dumps(res),
status=s,
mimetype='application/json')
span.finish()
return response
def bill(payment, name):
span = trace.newspan(tracer,
trace.getparentspanfromheader(tracer,
request), 'bill')
span.set_tag('customer', name)
span.set_tag('payment', payment)
res = trace.inject_in_header(tracer, span, {})
res = API.call_api(data_server, data_port, '/cashin/' + payment, res)
span.finish()
sspan = trace.newspan(tracer, span.context, payment)
time.sleep(random.randint(0, 200) / 1000)
response = app.response_class(response=json.dumps({}),
status=200,
mimetype='application/json')
sspan.finish()
return response
# app = Flask(__name__)
# CORS(app)
i = 0
while True:
if i == 0:
root = trace.newspan(tracer, None, 'root')
i += 1
if i == 10:
root.finish()
i = 0
r = None
try:
# span = trace.newspan(tracer, root.context, 'pushdata')
span = trace.newspan(tracer, None, 'pushdata')
sspan = trace.newspan(tracer, span.context, 'ask data')
res = trace.inject_in_header(tracer, span, {})
r = API.call_api(data_server, data_port, '/state', res)
# print(r.content)
j = json.loads(r.content.decode())
sspan.finish()
sspan = trace.newspan(tracer, sspan.context, 'push tea')
json_body = [{
"measurement": "coffeetea",
"tags": {
"type": "tea",
"fill": j['fill_tea_in_progress'],
},
"fields": {
"resource": j['tea_leaf'],
"refills": 1.0 if j['fill_tea_in_progress'] else 0.0,
"wip_produce": j['tea_in_progress'],