Docker: Resolve default component port via env var

Signed-off-by: Viet Nguyen Duc <[email protected]>

Author: VietND96

Distributor/Dockerfile

@@ -23,4 +23,9 @@ ENV SE_SESSION_REQUEST_TIMEOUT="300" \
     SE_SESSION_RETRY_INTERVAL="15" \
 # In seconds, maps to "--healthcheck-interval"
     SE_HEALTHCHECK_INTERVAL="120" \
+    SE_EVENT_BUS_PUBLISH_PORT="4442" \
+    SE_EVENT_BUS_SUBSCRIBE_PORT="4443" \
+    SE_SESSIONS_MAP_PORT="5556" \
+    SE_SESSION_QUEUE_PORT="5559" \
+    SE_DISTRIBUTOR_PORT="5553" \
     SE_OTEL_SERVICE_NAME="selenium-distributor"

ENV_VARIABLES.md

@@ -26,8 +26,8 @@
 | SE_NODE_GRID_URL |  | Node config, public URL of the Grid as a whole (typically the address of the Hub or the Router) | --grid-url |
 | SE_HUB_HOST |  | Hub config, host address the Hub should listen on | --host |
 | SE_ROUTER_HOST |  | Router config, host address the Router should listen on | --host |
-| SE_HUB_PORT |  | Hub config, port the Hub should listen on (default 4444) | --port |
-| SE_ROUTER_PORT |  | Router config, port the Router should listen on (default 4444) | --port |
+| SE_HUB_PORT | 4444 | Hub config, port the Hub should listen on (default 4444) | --port |
+| SE_ROUTER_PORT | 4444 | Router config, port the Router should listen on (default 4444) | --port |
 | SE_NODE_GRID_GRAPHQL_URL |  | Video recording config, GraphQL URL to query test metadata for dynamic file name |  |
 | SE_VIDEO_FILE_NAME_TRIM_REGEX | [:alnum:]-_ | Bash regex to trim the file name if it is too long |  |
 | SE_VIDEO_FILE_NAME_SUFFIX |  | Append a suffix session id along with test metadata |  |
@@ -39,7 +39,7 @@
 | SE_RCLONE_ |  |  |  |
 | SE_OPTS |  |  |  |
 | SE_EVENT_BUS_HOST |  |  |  |
-| SE_EVENT_BUS_PORT |  |  |  |
+| SE_EVENT_BUS_PORT | 5557 |  |  |
 | SE_LOG_LEVEL | INFO |  |  |
 | SE_HTTP_LOGS | false |  |  |
 | SE_STRUCTURED_LOGS | false |  |  |
@@ -92,17 +92,15 @@
 | SE_HEALTHCHECK_INTERVAL | 120 |  |  |
 | SE_RELAX_CHECKS | true |  |  |
 | SE_SESSION_QUEUE_HOST |  |  |  |
-| SE_SESSION_QUEUE_PORT |  |  |  |
+| SE_SESSION_QUEUE_PORT | 5559 |  |  |
 | SE_VIDEO_FOLDER |  |  |  |
 | SE_LOG_LISTEN_GRAPHQL |  |  |  |
 | SE_NODE_PRESTOP_WAIT_STRATEGY |  |  |  |
-| SE_SESSIONS_HOST |  |  |  |
-| SE_SESSIONS_PORT |  |  |  |
 | SE_SESSIONS_MAP_EXTERNAL_DATASTORE | false |  |  |
 | SE_SESSIONS_MAP_HOST |  |  |  |
-| SE_SESSIONS_MAP_PORT |  |  |  |
+| SE_SESSIONS_MAP_PORT | 5556 |  |  |
 | SE_DISTRIBUTOR_HOST |  |  |  |
-| SE_DISTRIBUTOR_PORT |  |  |  |
+| SE_DISTRIBUTOR_PORT | 5553 |  |  |
 | SE_GRID_URL |  |  |  |
 | SE_NODE_DOCKER_CONFIG_FILENAME |  |  |  |
 | SE_NODE_GRACEFUL_SHUTDOWN |  |  |  |

EventBus/Dockerfile

@@ -22,4 +22,7 @@ COPY --chown="${SEL_UID}:${SEL_GID}" start-selenium-grid-eventbus.sh \
 
 COPY selenium-grid-eventbus.conf /etc/supervisor/conf.d/
 
-ENV SE_OTEL_SERVICE_NAME="selenium-event-bus"
+ENV SE_OTEL_SERVICE_NAME="selenium-event-bus" \
+    SE_EVENT_BUS_PUBLISH_PORT="4442" \
+    SE_EVENT_BUS_SUBSCRIBE_PORT="4443" \
+    SE_EVENT_BUS_PORT="5557"

Hub/Dockerfile

@@ -22,6 +22,7 @@ ENV SE_SESSION_REQUEST_TIMEOUT="300" \
     SE_HEALTHCHECK_INTERVAL="120" \
 # Boolean value, maps "--relax-checks"
     SE_RELAX_CHECKS="true" \
+    SE_HUB_PORT="4444" \
     SE_OTEL_SERVICE_NAME="selenium-hub"
 
 COPY --chown="${SEL_UID}:${SEL_GID}" start-selenium-grid-hub.sh \

Router/Dockerfile

@@ -14,6 +14,10 @@ USER ${SEL_UID}
 ENV SE_SESSION_REQUEST_TIMEOUT="300" \
 # In seconds, maps to "--session-retry-interval"
     SE_SESSION_RETRY_INTERVAL="15" \
+    SE_DISTRIBUTOR_PORT="5553" \
+    SE_SESSIONS_MAP_PORT="5556" \
+    SE_SESSION_QUEUE_PORT="5559" \
+    SE_ROUTER_PORT="4444" \
     SE_OTEL_SERVICE_NAME="selenium-router"
 
 EXPOSE 4444

SessionQueue/Dockerfile

@@ -14,6 +14,7 @@ USER ${SEL_UID}
 ENV SE_SESSION_REQUEST_TIMEOUT="300" \
 # In seconds, maps to "--session-retry-interval"
     SE_SESSION_RETRY_INTERVAL="15" \
+    SE_SESSION_QUEUE_PORT="5559" \
     SE_OTEL_SERVICE_NAME="selenium-session-queue"
 
 EXPOSE 5559

Sessions/Dockerfile

@@ -22,4 +22,7 @@ EXPOSE 5556
 
 ENV SE_OTEL_SERVICE_NAME="selenium-session-map" \
     GENERATE_CONFIG="true" \
+    SE_EVENT_BUS_PUBLISH_PORT="4442" \
+    SE_EVENT_BUS_SUBSCRIBE_PORT="4443" \
+    SE_SESSIONS_MAP_PORT="5556" \
     SE_SESSIONS_MAP_EXTERNAL_DATASTORE="false"

Sessions/start-selenium-grid-sessions.sh

@@ -41,14 +41,14 @@ if [ ! -z "$SE_OPTS" ]; then
   echo "Appending Selenium options: ${SE_OPTS}"
 fi
 
-if [ ! -z "$SE_SESSIONS_HOST" ]; then
-  echo "Using SE_SESSIONS_HOST: ${SE_SESSIONS_HOST}"
-  HOST_CONFIG="--host ${SE_SESSIONS_HOST}"
+if [ ! -z "${SE_SESSIONS_MAP_HOST}" ]; then
+  echo "Using SE_SESSIONS_MAP_HOST: ${SE_SESSIONS_MAP_HOST}"
+  HOST_CONFIG="--host ${SE_SESSIONS_MAP_HOST}"
 fi
 
-if [ ! -z "$SE_SESSIONS_PORT" ]; then
-  echo "Using SE_SESSIONS_PORT: ${SE_SESSIONS_PORT}"
-  PORT_CONFIG="--port ${SE_SESSIONS_PORT}"
+if [ ! -z "${SE_SESSIONS_MAP_PORT}" ]; then
+  echo "Using SE_SESSIONS_MAP_PORT: ${SE_SESSIONS_MAP_PORT}"
+  PORT_CONFIG="--port ${SE_SESSIONS_MAP_PORT}"
 fi
 
 if [ ! -z "$SE_LOG_LEVEL" ]; then

charts/selenium-grid/templates/session-map-deployment.yaml

@@ -47,11 +47,11 @@ spec:
                   fieldPath: status.hostIP
             - name: SE_OTEL_SERVICE_NAME
               value: '{{ template "seleniumGrid.sessionMap.fullname" . }}'
-            - name: SE_SESSIONS_HOST
+            - name: SE_SESSIONS_MAP_HOST
               valueFrom:
                 fieldRef:
                   fieldPath: status.podIP
-            - name: SE_SESSIONS_PORT
+            - name: SE_SESSIONS_MAP_PORT
               value: {{ .Values.components.sessionMap.port | quote }}
           {{- with .Values.components.extraEnvironmentVariables }}
             {{- tpl (toYaml .) $ | nindent 12 }}

docker-compose-v3-full-grid-dev.yml

@@ -1,7 +1,6 @@
 # To execute this docker compose yml file use `docker compose -f docker-compose-v3-full-grid-dev.yml up`
 # Add the `-d` flag at the end for detached execution
 # To stop the execution, hit Ctrl+C, and then `docker compose -f docker-compose-v3-full-grid-dev.yml down`
-version: "3"
 services:
   selenium-event-bus:
     image: selenium/event-bus:4.29.0-20250222
@@ -24,8 +23,6 @@ services:
       - selenium-event-bus
     environment:
       - SE_EVENT_BUS_HOST=selenium-event-bus
-      - SE_EVENT_BUS_PUBLISH_PORT=4442
-      - SE_EVENT_BUS_SUBSCRIBE_PORT=4443
 
   selenium-session-queue:
     image: selenium/session-queue:4.29.0-20250222
@@ -48,12 +45,8 @@ services:
       - selenium-session-queue
     environment:
       - SE_EVENT_BUS_HOST=selenium-event-bus
-      - SE_EVENT_BUS_PUBLISH_PORT=4442
-      - SE_EVENT_BUS_SUBSCRIBE_PORT=4443
       - SE_SESSIONS_MAP_HOST=selenium-sessions
-      - SE_SESSIONS_MAP_PORT=5556
       - SE_SESSION_QUEUE_HOST=selenium-session-queue
-      - SE_SESSION_QUEUE_PORT=5559
 
   selenium-router:
     image: selenium/router:4.29.0-20250222
@@ -68,11 +61,8 @@ services:
       - selenium-session-queue
     environment:
       - SE_DISTRIBUTOR_HOST=selenium-distributor
-      - SE_DISTRIBUTOR_PORT=5553
       - SE_SESSIONS_MAP_HOST=selenium-sessions
-      - SE_SESSIONS_MAP_PORT=5556
       - SE_SESSION_QUEUE_HOST=selenium-session-queue
-      - SE_SESSION_QUEUE_PORT=5559
 
   chrome:
     image: selenium/node-chrome:4.29.0-20250222
@@ -83,8 +73,6 @@ services:
       - selenium-event-bus
     environment:
       - SE_EVENT_BUS_HOST=selenium-event-bus
-      - SE_EVENT_BUS_PUBLISH_PORT=4442
-      - SE_EVENT_BUS_SUBSCRIBE_PORT=4443
 
   edge:
     image: selenium/node-edge:4.29.0-20250222
@@ -95,8 +83,6 @@ services:
       - selenium-event-bus
     environment:
       - SE_EVENT_BUS_HOST=selenium-event-bus
-      - SE_EVENT_BUS_PUBLISH_PORT=4442
-      - SE_EVENT_BUS_SUBSCRIBE_PORT=4443
 
   firefox:
     image: selenium/node-firefox:4.29.0-20250222
@@ -107,5 +93,3 @@ services:
       - selenium-event-bus
     environment:
       - SE_EVENT_BUS_HOST=selenium-event-bus
-      - SE_EVENT_BUS_PUBLISH_PORT=4442
-      - SE_EVENT_BUS_SUBSCRIBE_PORT=4443