Improve docker container management

- Simplify tagging.
- Test removal of old container.

dmtf/buildImage.sh

@@ -3,4 +3,3 @@
 # Build and tag images
 docker rmi redfish-simulator
 docker build -t "redfish-simulator" .
-docker tag -f redfish-simulator:latest localhost:5000/redfish-simulator

dmtf/redfish-setup.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 
 function start_apache {
-	[ -f "/run/apache2/apache2.pid" ] && rm "/run/apache2/apache2.pid"
+	[ -f "/run/apache2/apache2.pid" ] && rm -f "/run/apache2/apache2.pid"
 	echo "Launching apache2 in foreground with /usr/sbin/apache2ctl -DFOREGROUND -k start"
 	/usr/sbin/apache2ctl -DFOREGROUND -k start
 }

dmtf/run-redfish-simulator.sh

@@ -1,8 +1,9 @@
 #!/bin/bash
 
-# Build the docker container first
-docker build -t localhost:5000/redfish-simulator:latest .
-# Th -p option needs to be after the run command. No warning is given if before but doesn't work
-docker rm "redfish-simulator"
-docker run -d -p 8000:80 --name "redfish-simulator" localhost:5000/redfish-simulator:latest
+docker ps -a | grep -q "redfish-simulator:latest"
+if [ "$?" -eq 0 ]; then
+	docker rm "redfish-simulator"
+fi
+# The -p option needs to be after the run command. No warning is given if before but doesn't work
+docker run -d -p 8000:80 --name "redfish-simulator" redfish-simulator:latest
 echo "Launch your browser and load http://localhost:8000/redfish/v1"