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model_app.py
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from config import *
model_app = Blueprint('model_app', __name__)
@model_app.route('/get-app', methods=['GET', 'POST'])
def get_app():
try:
data = {}
if request.method == 'GET':
data = request.args
elif request.method == 'POST':
data = request.form
print(data)
sql_select = "select * from app where 1 = 1"
if 'tenantId' in data:
sql_select = sql_select + " and tenant_id = %d" % int(data.get('tenantId'))
if 'modelId' in data:
sql_select = sql_select + " and model_id = %d" % int(data.get('modelId'))
if 'appId' in data:
sql_select = sql_select + " and app_id = %d" % int(data.get('appId'))
db = mysql(**mysql_args)
res = {'data': []}
for i, item in enumerate(db.select(sql_select)):
tmp = {}
tmp['app_id'] = item[0]
tmp['app_name'] = item[1]
tmp['model_id'] = item[2]
tmp['app_input'], tmp['app_output'] = [], []
if item[3]:
tmp['app_input'] = json.loads(item[3])
# if item[4]:
# tmp['app_output'] = json.loads(item[4])
tmp['app_output'] = item[4]
tmp['tenant_id'] = item[5]
tmp['stop'] = item[6]
res['data'].append(tmp)
print(res)
db.close()
resp = jsonify(res)
resp.headers['Access-Control-Allow-Origin'] = '*'
return resp
except Exception as e:
print(e)
return get_error_resp(e)
@model_app.route('/create-app', methods=['GET', 'POST'])
def create_app():
try:
data = {}
if request.method == 'GET':
data = request.args
elif request.method == 'POST':
data = request.form
print(data)
#tenant_id, model_id, data_source, app_name, app_output = None, None, None, '', ''
assert 'tenantId' in data, 'missing parameters tenant id!'
tenant_id = int(data.get('tenantId'))
assert 'modelId' in data, 'missing parameters model id!'
model_id = int(data.get('modelId'))
assert 'dataSource' in data, 'missing parameters data source!'
data_source = json.loads(data.get('dataSource'))
#print(tenant_id, model_id, data_source)
sql_select = "select model_input from data_model where model_id = %d" % (model_id)
db = mysql(**mysql_args)
rows = list(db.select(sql_select))
assert len(rows) >= 1, 'no match model!'
model_input = json.loads(rows[0][0])
app_input = []
#print(model_input)
assert len(data_source) == len(model_input), 'data source do not match model input!'
for device_id, data_type in zip(data_source, model_input):
app_input.append({"device_id":device_id, "type":data_type})
app_id = int(time.time())
app_name = data.get('appName', str(app_id))
app_output = data.get('appOutput', '')
app_input = json.dumps(app_input)
sql_insert = "insert into app(app_id, app_name, model_id, app_input, app_output, tenant_id, stop)" \
+ " values(%d, '%s', %d, '%s', '%s', %d, %d)" \
% (app_id, app_name, model_id, app_input, app_output, tenant_id, 1)
#print(sql_insert)
db.insert(sql_insert)
db.close()
resp = jsonify({'app id': app_id, 'status': 'create app success!'})
resp.headers['Access-Control-Allow-Origin'] = '*'
return resp
except Exception as e:
print(e)
return get_error_resp(e)
@model_app.route('/start-app', methods=['GET', 'POST'])
def start_app():
try:
data = {}
if request.method == 'GET':
data = request.args
elif request.method == 'POST':
data = request.form
print(data)
assert 'appId' in data, 'missing parameters app id!'
app_id = int(data['appId'])
timeout = int(data.get('timeout', 60))
db = mysql(**mysql_args)
sql_select = "select model_path from data_model, app" \
+ " where data_model.model_id = app.model_id" \
+ " and app_id = %d" \
% (app_id)
rows = list(db.select(sql_select))
assert len(rows) >= 1, 'no match model!'
model_path = rows[0][0]
sql_select = "select app_input from app" \
+ " where app_id = %d" % (app_id)
rows = list(db.select(sql_select))
app_input = json.loads(rows[0][0])
################################
app = job(app_id, model_path, app_input, kafka_servers, timeout)
app.start()
#################################
#app2job.setdefault(app_id, app)
sql_update = "update app set stop = 0 where app_id = %d" % (app_id)
db.update(sql_update)
db.close()
resp = jsonify({'app id': app_id, 'status': 'start app success!'})
resp.headers['Access-Control-Allow-Origin'] = '*'
return resp
except Exception as e:
print(e)
return get_error_resp(e)
@model_app.route('/stop-app', methods=['GET', 'POST'])
def stop_app():
try:
data = {}
if request.method == 'GET':
data = request.args
elif request.method == 'POST':
data = request.form
print(data)
assert 'appId' in data, 'missing parameters app id!'
app_id = int(data['appId'])
db = mysql(**mysql_args)
sql_update = "update app set stop = 1 where app_id = %d" % (app_id)
db.update(sql_update)
db.close()
resp = jsonify({'app id': app_id, 'status': 'stop app success!'})
resp.headers['Access-Control-Allow-Origin'] = '*'
return resp
except Exception as e:
print(e)
return get_error_resp(e)
@model_app.route('/delete-app', methods=['GET', 'POST'])
def delete_app():
try:
data = {}
if request.method == 'GET':
data = request.args
elif request.method == 'POST':
data = request.form
print(data)
# assert 'tenantId' in data, 'missing parameters tenant id!'
# tenant_id = int(data['tenantId'])
assert 'appId' in data, 'missing parameters app id!'
app_id = int(data['appId'])
db = mysql(**mysql_args)
#sql_delete = "delete from app where tenant_id = %d and app_id = %d" % (tenant_id, app_id)
sql_delete = "delete from app where app_id = %d" % (app_id)
db.delete(sql_delete)
db.close()
resp = jsonify({'app id':app_id, 'status': 'delete app success!'})
resp.headers['Access-Control-Allow-Origin'] = '*'
return resp
except Exception as e:
print(e)
return get_error_resp(e)
@model_app.route('/real-predict', methods=['GET', 'POST'])
def real_predict():
try:
data = {}
if request.method == 'GET':
data = request.args
elif request.method == 'POST':
data = request.form
print(data)
assert 'appId' in data, 'missing parameters app id!'
app_id = data['appId']
db = mysql(**mysql_args)
sql_select = "select predict, timestamp from app where app_id = %s and stop = 0" % (app_id)
res = list(db.select(sql_select))
if len(res) == 0:
db.close()
resp = jsonify({'app id': int(app_id), 'status': 'stoped!'})
resp.headers['Access-Control-Allow-Origin'] = '*'
return resp
#######################################
# import random
# msg_value = [random.uniform(0, 100)]
# resp = jsonify({'app id': int(app_id), 'predict': msg_value})
# resp.headers['Access-Control-Allow-Origin'] = '*'
# return resp
########################################
# consumer = KafkaConsumer(app_id,
# bootstrap_servers=kafka_servers,
# group_id='app_'+app_id+'_real_predict_'+str(time.time()))
# msg_value = list(consumer.poll(timeout_ms=5000, max_records=1).values())[0][0]\
# .value.decode('utf-8').replace('\'', '\"')
# resp = jsonify({'app id': int(app_id), 'predict': json.loads(msg_value)})
res = res[0]
resp = jsonify({'app id': int(app_id), 'timestamp': int(res[1]), 'predict': json.loads(res[0])})
print(resp)
resp.headers['Access-Control-Allow-Origin'] = '*'
return resp
except Exception as e:
print(e)
return get_error_resp(e)