Updated loadgenerator to support locust 1.0.2 (#357)

* updated loadgenerator to support locust 1.0.2

* removed rate parameter

src/loadgenerator/loadgen.sh

@@ -32,4 +32,4 @@ if test $STATUSCODE -ne 200; then
 fi
 
 # else, run loadgen
-locust --host="http://${FRONTEND_ADDR}" --no-web -c "${USERS:-10}" 2>&1
+locust --host="http://${FRONTEND_ADDR}" --headless -u "${USERS:-10}" 2>&1

src/loadgenerator/locustfile.py

@@ -15,7 +15,7 @@
 # limitations under the License.
 
 import random
-from locust import HttpLocust, TaskSet, between
+from locust import HttpUser, TaskSet, between
 
 products = [
     '0PUK6V6EV0',
@@ -76,6 +76,6 @@ class UserBehavior(TaskSet):
         viewCart: 3,
         checkout: 1}
 
-class WebsiteUser(HttpLocust):
-    task_set = UserBehavior
+class WebsiteUser(HttpUser):
+    tasks = [UserBehavior]
     wait_time = between(1, 10)

src/loadgenerator/requirements.in

@@ -1 +1 @@
-locustio==0.13.0
+locust==1.0.2

src/loadgenerator/requirements.txt

@@ -2,23 +2,31 @@
 # This file is autogenerated by pip-compile
 # To update, run:
 #
-#    pip-compile --output-file requirements.txt requirements.in
+#    pip-compile --output-file=requirements.txt requirements.in
 #
-certifi==2018.11.29       # via geventhttpclient-wheels, requests
+certifi==2018.11.29       # via geventhttpclient, requests
 chardet==3.0.4            # via requests
 click==7.0                # via flask
-flask==1.0.2              # via locustio
-gevent==1.4.0             # via geventhttpclient-wheels, locustio
-geventhttpclient-wheels==1.3.1.dev2  # via locustio
+configargparse==1.2.3     # via locust
+flask-basicauth==0.2.0    # via locust
+flask==1.1.2              # via flask-basicauth, locust
+gevent==20.5.2            # via geventhttpclient, locust
+geventhttpclient==1.4.2   # via locust
 greenlet==0.4.15          # via gevent
 idna==2.8                 # via requests
 itsdangerous==1.1.0       # via flask
-jinja2==2.10              # via flask
-locustio==0.13.0          # via -r requirements.in
+jinja2==2.11.2            # via flask
+locust==1.0.2             # via -r requirements.in
 markupsafe==1.1.0         # via jinja2
-msgpack-python==0.5.6     # via locustio
-pyzmq==17.0.0             # via locustio
-requests==2.21.0          # via locustio
-six==1.12.0               # via geventhttpclient-wheels, locustio
+msgpack==1.0.0            # via locust
+psutil==5.7.0             # via locust
+pyzmq==17.0.0             # via locust
+requests==2.21.0          # via locust
+six==1.12.0               # via geventhttpclient
 urllib3==1.24.2           # via requests
-werkzeug==0.14.1          # via flask
+werkzeug==1.0.1           # via flask
+zope.event==4.4           # via gevent
+zope.interface==5.1.0     # via gevent
+
+# The following packages are considered to be unsafe in a requirements file:
+# setuptools