From cff1c3a6511f2bba42b25a7219ebae4c3da65a7f Mon Sep 17 00:00:00 2001
From: Rich Megginson <rmeggins@redhat.com>
Date: Tue, 20 Feb 2018 21:14:03 -0700
Subject: [PATCH 1/2] allow loader parameters to be passed to container as env
 vars

---
 Docker/Dockerfile | 23 ++++++++++++++++++-----
 1 file changed, 18 insertions(+), 5 deletions(-)

diff --git a/Docker/Dockerfile b/Docker/Dockerfile
index 3b71588..012dfb4 100644
--- a/Docker/Dockerfile
+++ b/Docker/Dockerfile
@@ -1,5 +1,18 @@
-FROM registry.fedoraproject.org/fedora
-RUN dnf -y install python
-COPY ./loader /
-RUN chmod +x /loader
-#CMD ["/loader", "--msgpersec=10", "--report-interval=40"]
+FROM registry.fedoraproject.org/fedora
+
+ENV MSGPERSEC=0 REPORT_INTERVAL=10 PAYLOAD_SIZE=1024 \
+    DISTRIBUTION=gaussian PAYLOAD_GEN=random \
+    STDDEV=32 OUTPUT=stdout REPORT=inline \
+    TOTAL_SIZE=0
+
+RUN dnf -y install python
+COPY ./loader /
+RUN chmod +x /loader
+# build like this:
+# docker build -t loader-container .
+# run like this:
+# contid=$( docker run -e MSGPERSEC=10 -e STDDEV=16 -d loader-container )
+# docker logs $contid
+# docker stop $contid
+# docker rm $contid
+CMD /loader --msgpersec=${MSGPERSEC} --report-interval=${REPORT_INTERVAL} --total-size=${TOTAL_SIZE} --distribution=${DISTRIBUTION} --payload-gen=${PAYLOAD_GEN} --stddev=${STDDEV} --output=${OUTPUT} --report=${REPORT} ${PAYLOAD_SIZE}

From cee0c53b0e33f6ddb101bf486dca8a570be2ab67 Mon Sep 17 00:00:00 2001
From: Rich Megginson <rmeggins@redhat.com>
Date: Wed, 21 Feb 2018 16:46:02 -0700
Subject: [PATCH 2/2] allow kill SIGINT to work the same as KeyboardInterrupt

---
 verify-loader | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/verify-loader b/verify-loader
index a28aa8c..935157e 100755
--- a/verify-loader
+++ b/verify-loader
@@ -21,11 +21,19 @@ import sys
 import os
 import time
 import argparse
+import signal
 from collections import defaultdict
 
 REPORT_INTERVAL = 10
 MB = 1024 * 1024
 
+# if running verify-loader as a background process,
+# we can still do a kill -2 $pid to make it exit
+# the main loop and print the stats
+def handle_sig_int(signum, frame):
+    raise KeyboardInterrupt
+
+signal.signal(signal.SIGINT, handle_sig_int)
 
 class Context(object):