fix: skip chromedriver install if arch is not supported in docker build

Commit ready for merge.
 - Legacy-Id: 19761

Author: nick

docker/app.Dockerfile

@@ -64,17 +64,11 @@ RUN apt-get install -qy \
     yang-tools \
 	zsh
 
-# Install chromedriver
-RUN wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | apt-key add - && \
-    echo "deb http://dl.google.com/linux/chrome/deb/ stable main" >> /etc/apt/sources.list.d/google.list && \
-    apt-get update -y && \
-    apt-get install -y google-chrome-stable && \
-    CHROMEVER=$(google-chrome --product-version | grep -o "[^\.]*\.[^\.]*\.[^\.]*") && \
-    DRIVERVER=$(curl -s "https://chromedriver.storage.googleapis.com/LATEST_RELEASE_$CHROMEVER") && \
-    wget -q --continue -P /chromedriver "http://chromedriver.storage.googleapis.com/$DRIVERVER/chromedriver_linux64.zip" && \
-    unzip /chromedriver/chromedriver* -d /chromedriver && \
-    ln -s /chromedriver/chromedriver /usr/local/bin/chromedriver && \
-    ln -s /chromedriver/chromedriver /usr/bin/chromedriver
+# Install chromedriver if supported
+COPY docker/scripts/app-install-chromedriver.sh /tmp/app-install-chromedriver.sh
+RUN sed -i 's/\r$//' /tmp/app-install-chromedriver.sh && \
+    chmod +x /tmp/app-install-chromedriver.sh
+RUN /tmp/app-install-chromedriver.sh
 
 # Get rid of installation files we don't need in the image, to reduce size
 RUN apt-get clean && rm -rf /var/lib/apt/lists/*

docker/docker-compose.yml

@@ -39,6 +39,7 @@ services:
         # (Adding the "ports" property to this file will not forward from a Codespace.)
 
     db:
+        # image: ghcr.io/ngpixel/datatracker-db:nightly-20211208
         build:
             context: ..
             dockerfile: docker/db.Dockerfile

docker/scripts/app-install-chromedriver.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+
+HOSTARCH=$(arch)
+if [ $HOSTARCH == "x86_64" ]; then
+    echo "Installing chrome driver..."
+    wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | apt-key add -
+    echo "deb http://dl.google.com/linux/chrome/deb/ stable main" >> /etc/apt/sources.list.d/google.list
+    apt-get update -y
+    apt-get install -y google-chrome-stable
+    CHROMEVER=$(google-chrome --product-version | grep -o "[^\.]*\.[^\.]*\.[^\.]*")
+    DRIVERVER=$(curl -s "https://chromedriver.storage.googleapis.com/LATEST_RELEASE_$CHROMEVER")
+    wget -q --continue -P /chromedriver "http://chromedriver.storage.googleapis.com/$DRIVERVER/chromedriver_linux64.zip"
+    unzip /chromedriver/chromedriver* -d /chromedriver
+    ln -s /chromedriver/chromedriver /usr/local/bin/chromedriver
+    ln -s /chromedriver/chromedriver /usr/bin/chromedriver
+else
+    echo "This architecture doesn't support chromedriver. Skipping installation..."
+fi