Add initial vscode devcontainer support

Author: bhack

.devcontainer/devcontainer.json

@@ -0,0 +1,26 @@
+{
+    "name": "TensorFlow-addons",
+    "dockerFile": "../tools/docker/gpu_tests.Dockerfile",
+    "context": "..",
+    "extensions": [
+        "ms-python.python",
+        "ms-vscode.cpptools"
+    ],
+    
+    // Uncomment to use Docker from inside the container. See https://aka.ms/vscode-remote/samples/docker-in-docker.
+    // "mounts": [ "source=/var/run/docker.sock,target=/var/run/docker.sock,type=bind" ],
+    
+    // To connect as a non-root user. See https://aka.ms/vscode-remote/containers/non-root.
+    "remoteUser": "vscode",
+
+    // Uncomment when using a ptrace-based debugger like C++, Go, and Rust
+    "runArgs": [ "--cap-add=SYS_PTRACE", "--security-opt", "seccomp=unconfined" ],
+    
+    // Set *default* container specific settings.json values on container create.
+	"settings": { 
+		"terminal.integrated.shell.linux": null
+	},
+    "build": {
+        "target": "interactive_dev",
+    }
+}

tools/docker/gpu_tests.Dockerfile

@@ -1,4 +1,4 @@
-FROM tensorflow/tensorflow:2.1.0-custom-op-gpu-ubuntu16
+FROM tensorflow/tensorflow:2.1.0-custom-op-gpu-ubuntu16 as base
 
 COPY tools/install_deps/tensorflow.txt ./
 
@@ -10,7 +10,39 @@ RUN python3 -m pip install -r requirements.txt
 COPY tools/install_deps/finish_bazel_install.sh ./
 RUN bash finish_bazel_install.sh
 
-
+FROM base as gpu_tests
 COPY ./ /addons
 WORKDIR addons
 CMD ["bash", "tools/testing/addons_gpu.sh"]
+
+FROM base as interactive_dev
+# This Dockerfile adds a non-root user with sudo access. Use the "remoteUser"
+# property in devcontainer.json to use it. On Linux, the container user's GID/UIDs
+# will be updated to match your local UID/GID (when using the dockerFile property).
+# See https://aka.ms/vscode-remote/containers/non-root-user for details.
+ARG USERNAME=vscode
+ARG USER_UID=1000
+ARG USER_GID=$USER_UID
+
+# Set to false to skip installing zsh and Oh My ZSH!
+ARG INSTALL_ZSH="false"
+
+# Location and expected SHA for common setup script - SHA generated on release
+ARG COMMON_SCRIPT_SOURCE="https://github.com/raw/microsoft/vscode-dev-containers/master/script-library/common-debian.sh"
+ARG COMMON_SCRIPT_SHA="dev-mode"
+
+RUN apt-get update \
+  && apt-get install -y --no-install-recommends apt-utils dialog wget ca-certificates \
+  #
+  # Verify git, common tools / libs installed, add/modify non-root user, optionally install zsh
+  && wget -q -O /tmp/common-setup.sh $COMMON_SCRIPT_SOURCE \
+  && if [ "$COMMON_SCRIPT_SHA" != "dev-mode" ]; then echo "$COMMON_SCRIPT_SHA /tmp/common-setup.sh" | sha256sum -c - ; fi \
+  && /bin/bash /tmp/common-setup.sh "$INSTALL_ZSH" "$USERNAME" "$USER_UID" "$USER_GID" \
+  && rm /tmp/common-setup.sh \
+  && apt-get clean -y \
+  && rm -rf /var/lib/apt/lists/*
+
+RUN install -d -m 770 -o vscode -g vscode /home/vscode/.ssh/ && ssh-keyscan -t rsa github.com >> /home/vscode/.ssh/known_hosts
+
+# Switch back to dialog for any ad-hoc use of apt-get
+ENV DEBIAN_FRONTEND=dialog

tools/run_gpu_tests.sh

@@ -9,5 +9,5 @@ if [ "$DOCKER_BUILDKIT" == "" ]; then
   export DOCKER_BUILDKIT=1
 fi
 
-docker build -f tools/docker/gpu_tests.Dockerfile -t tfa_gpu_tests ./
+docker build -f tools/docker/gpu_tests.Dockerfile --target gpu_tests -t tfa_gpu_tests ./
 docker run --rm -t --runtime=nvidia tfa_gpu_tests