ci: switch back to using bionic agent for x64 linux

azure-pipelines.yml

@@ -1,11 +1,11 @@
 jobs:
-- job: focal_x64
+- job: bionic_x64
   pool:
     vmImage: 'ubuntu-latest'
   steps:
   - template: build.yml
     parameters:
-      arch: focal-x64
+      arch: bionic-x64
 
 - job: centos7_devtoolset8_x64
   pool:

bionic-x64/Dockerfile

@@ -0,0 +1,86 @@
+ARG REPO=mcr.microsoft.com/mirror/docker/library/ubuntu
+ARG TAG=18.04
+FROM ${REPO}:${TAG}
+
+ARG DEBIAN_FRONTEND=noninteractive
+
+RUN groupadd --gid 1000 builduser \
+  && useradd --uid 1000 --gid builduser --shell /bin/bash --create-home builduser \
+  && mkdir -p /setup
+
+# Set up TEMP directory
+ENV TEMP=/tmp
+RUN chmod a+rwx /tmp
+
+# Latest stable git
+RUN apt-get update && apt-get install -y software-properties-common
+RUN add-apt-repository ppa:git-core/ppa -y
+
+RUN apt-get update && apt-get install -y \
+    apt-transport-https \
+    ca-certificates \
+    curl \
+    file \
+    git \
+    gnome-keyring \
+    iproute2 \
+    libfuse2 \
+    libgconf-2-4 \
+    libgdk-pixbuf2.0-0 \
+    libgl1 \
+    libgtk-3.0 \
+    libsecret-1-dev \
+    libssl-dev \
+    libx11-dev \
+    libx11-xcb-dev \
+    libxkbfile-dev \
+    locales \
+    lsb-release \
+    lsof \
+    python-dbus \
+    python3-pip \
+    sudo \
+    wget \
+    xvfb \
+    tzdata \
+    unzip \
+  && curl https://chromium.googlesource.com/chromium/src/+/HEAD/build/install-build-deps.sh\?format\=TEXT | base64 --decode | cat > /setup/install-build-deps.sh \
+  && curl https://chromium.googlesource.com/chromium/src/+/HEAD/build/install-build-deps.py\?format\=TEXT | base64 --decode | cat > /setup/install-build-deps.py \
+  # Remove snapcraft to avoid issues on docker build
+  && sed -i 's/packages.append("snapcraft")/#packages.append("snapcraft")/g' /setup/install-build-deps.py \
+  && chmod +x /setup/install-build-deps.sh \
+  && chmod +x /setup/install-build-deps.py \
+  && bash /setup/install-build-deps.sh --no-syms --no-prompt --no-chromeos-fonts --no-arm --no-nacl \
+  && rm -rf /var/lib/apt/lists/*
+
+# Yarn
+RUN curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | sudo apt-key add -
+RUN echo "deb https://dl.yarnpkg.com/debian/ stable main" | sudo tee /etc/apt/sources.list.d/yarn.list
+RUN apt-get update && apt-get install -y yarn
+
+# No Sudo Prompt
+RUN echo 'builduser ALL=NOPASSWD: ALL' >> /etc/sudoers.d/50-builduser \
+  && echo 'Defaults    env_keep += "DEBIAN_FRONTEND"' >> /etc/sudoers.d/env_keep
+
+# Dotnet
+RUN wget -q https://packages.microsoft.com/config/ubuntu/18.04/packages-microsoft-prod.deb
+RUN dpkg -i packages-microsoft-prod.deb
+RUN apt-get update && apt-get install -y dotnet-sdk-2.1
+
+# Set python3 as default
+RUN update-alternatives --install /usr/bin/python python /usr/bin/python3 1
+RUN python --version
+
+# Add xvfb init script
+COPY xvfb-init.sh /etc/init.d/xvfb
+RUN chmod a+x /etc/init.d/xvfb
+
+# Setup dbus path
+RUN sudo mkdir -p /var/run/dbus
+
+# Check compiler toolchain
+RUN gcc --version
+RUN g++ --version
+
+USER builduser
+WORKDIR /home/builduser

bionic-x64/xvfb-init.sh

@@ -0,0 +1,3 @@
+XVFB=/usr/bin/Xvfb
+XVFBARGS=":10 -ac -screen 0 1280x800x24 -nolisten tcp -dpi 96 +extension RANDR"
+/sbin/start-stop-daemon --start --quiet --background --exec $XVFB -- $XVFBARGS