Add support for specifying the Selenium version to use

Author: davehunt

Base/Dockerfile

@@ -27,7 +27,8 @@ RUN apt-get update -qqy \
 # Selenium
 #==========
 RUN  mkdir -p /opt/selenium \
-  && wget --no-verbose https://selenium-release.storage.googleapis.com/2.53/selenium-server-standalone-2.53.1.jar -O /opt/selenium/selenium-server-standalone.jar
+  && wget --no-verbose https://selenium-release.storage.googleapis.com/2.53/selenium-server-standalone-2.53.1.jar -O /opt/selenium/selenium-server-standalone-2.53.1.jar
+ENV SELENIUM_VERSION=2.53.1
 
 #========================================
 # Add normal user with passwordless sudo

Hub/entry_point.sh

@@ -19,7 +19,7 @@ function shutdown {
     echo "shutdown complete"
 }
 
-java ${JAVA_OPTS} -jar /opt/selenium/selenium-server-standalone.jar \
+java ${JAVA_OPTS} -jar /opt/selenium/selenium-server-standalone-${SELENIUM_VERSION}.jar \
   -role hub \
   -hubConfig $CONF \
   ${SE_OPTS} &

NodeBase/entry_point.sh

@@ -33,7 +33,7 @@ fi
 
 SERVERNUM=$(get_server_num)
 xvfb-run -n $SERVERNUM --server-args="-screen 0 $GEOMETRY -ac +extension RANDR" \
-  java ${JAVA_OPTS} -jar /opt/selenium/selenium-server-standalone.jar \
+  java ${JAVA_OPTS} -jar /opt/selenium/selenium-server-standalone-${SELENIUM_VERSION}.jar \
     -role node \
     -hub http://$HUB_PORT_4444_TCP_ADDR:$HUB_PORT_4444_TCP_PORT/grid/register \
     ${REMOTE_HOST_PARAM} \

NodeChromeDebug/entry_point.sh

@@ -38,7 +38,7 @@ env | cut -f 1 -d "=" | sort > asroot
   $(for E in $(grep -vxFf asseluser asroot); do echo $E=$(eval echo \$$E); done) \
   DISPLAY=$DISPLAY \
   xvfb-run -n $SERVERNUM --server-args="-screen 0 $GEOMETRY -ac +extension RANDR" \
-  java ${JAVA_OPTS} -jar /opt/selenium/selenium-server-standalone.jar \
+  java ${JAVA_OPTS} -jar /opt/selenium/selenium-server-standalone-${SELENIUM_VERSION}.jar \
     -role node \
     -hub http://$HUB_PORT_4444_TCP_ADDR:$HUB_PORT_4444_TCP_PORT/grid/register \
     ${REMOTE_HOST_PARAM} \

NodeFirefoxDebug/entry_point.sh

@@ -38,7 +38,7 @@ env | cut -f 1 -d "=" | sort > asroot
   $(for E in $(grep -vxFf asseluser asroot); do echo $E=$(eval echo \$$E); done) \
   DISPLAY=$DISPLAY \
   xvfb-run -n $SERVERNUM --server-args="-screen 0 $GEOMETRY -ac +extension RANDR" \
-  java ${JAVA_OPTS} -jar /opt/selenium/selenium-server-standalone.jar \
+  java ${JAVA_OPTS} -jar /opt/selenium/selenium-server-standalone-${SELENIUM_VERSION}.jar \
     -role node \
     -hub http://$HUB_PORT_4444_TCP_ADDR:$HUB_PORT_4444_TCP_PORT/grid/register \
     ${REMOTE_HOST_PARAM} \

README.md

@@ -21,14 +21,14 @@ Images included:
 - __selenium/node-firefox-debug__: Selenium node with Firefox installed and runs a VNC server, needs to be connected to a Selenium Grid Hub
 
 ## Running the images
- 
+
 When executing docker run for an image with chrome browser please add volume mount `-v /dev/shm:/dev/shm` to use the host's shared memory.
 
 ``` bash
 $ docker run -d -p 4444:4444 -v /dev/shm:/dev/shm selenium/standalone-chrome:2.53.1
 ```
 
-This is a workaround to node-chrome crash in docker container issue: https://code.google.com/p/chromium/issues/detail?id=519952 
+This is a workaround to node-chrome crash in docker container issue: https://code.google.com/p/chromium/issues/detail?id=519952
 
 
 ### Standalone Chrome and Firefox
@@ -56,6 +56,20 @@ $ docker run -d --link selenium-hub:hub selenium/node-chrome:2.53.1
 $ docker run -d --link selenium-hub:hub selenium/node-firefox:2.53.1
 ```
 
+### Specifying versions
+
+By default the latest stable versions will be used, however you can override
+these using the following environment variables:
+
+- `SELENIUM_VERSION` - version of the Selenium server
+
+For example, the following will start a standalone Firefox server using
+Selenium 2.53.1:
+
+```bash
+$ docker run -d -p 4444:4444 -e SELENIUM_VERSION=2.53.1 selenium/standalone-firefox:2.53.1
+```
+
 ### JAVA_OPTS Java Environment Options
 
 You can pass `JAVA_OPTS` environment variable to java process.
@@ -135,7 +149,7 @@ $ docker run -d -P -p 5901:5900 --link selenium-hub:hub selenium/node-firefox-de
 
 to connect to the Chrome node on 5900 and the Firefox node on 5901 (assuming those node are free, and reachable).
 
-And for standalone: 
+And for standalone:
 ``` bash
 $ docker run -d -p 4444:4444 -p <port4VNC>:5900 selenium/standalone-chrome-debug:2.53.1
 # OR

Standalone/entry_point.sh

@@ -15,7 +15,7 @@ fi
 
 SERVERNUM=$(get_server_num)
 xvfb-run -n $SERVERNUM --server-args="-screen 0 $GEOMETRY -ac +extension RANDR" \
-  java ${JAVA_OPTS} -jar /opt/selenium/selenium-server-standalone.jar \
+  java ${JAVA_OPTS} -jar /opt/selenium/selenium-server-standalone-${SELENIUM_VERSION}.jar \
   ${SE_OPTS} &
 NODE_PID=$!
 

StandaloneChrome/entry_point.sh

@@ -15,7 +15,7 @@ fi
 
 SERVERNUM=$(get_server_num)
 xvfb-run -n $SERVERNUM --server-args="-screen 0 $GEOMETRY -ac +extension RANDR" \
-  java ${JAVA_OPTS} -jar /opt/selenium/selenium-server-standalone.jar \
+  java ${JAVA_OPTS} -jar /opt/selenium/selenium-server-standalone-${SELENIUM_VERSION}.jar \
   ${SE_OPTS} &
 NODE_PID=$!
 

StandaloneDebug/entry_point.sh

@@ -23,7 +23,7 @@ sudo -E -i -u seluser \
   $(for E in $(grep -vxFf asseluser asroot); do echo $E=$(eval echo \$$E); done) \
   DISPLAY=$DISPLAY \
   xvfb-run -n $SERVERNUM --server-args="-screen 0 $GEOMETRY -ac +extension RANDR" \
-  java ${JAVA_OPTS} -jar /opt/selenium/selenium-server-standalone.jar \
+  java ${JAVA_OPTS} -jar /opt/selenium/selenium-server-standalone-${SELENIUM_VERSION}.jar \
   ${SE_OPTS} &
 NODE_PID=$!
 

StandaloneFirefox/entry_point.sh

@@ -15,7 +15,7 @@ fi
 
 SERVERNUM=$(get_server_num)
 xvfb-run -n $SERVERNUM --server-args="-screen 0 $GEOMETRY -ac +extension RANDR" \
-  java ${JAVA_OPTS} -jar /opt/selenium/selenium-server-standalone.jar \
+  java ${JAVA_OPTS} -jar /opt/selenium/selenium-server-standalone-${SELENIUM_VERSION}.jar \
   ${SE_OPTS} &
 NODE_PID=$!