Pre-merge code cleanup

# Install dependencies

RUN apt-get --yes --quiet --quiet update && \

    apt-get --yes --quiet --quiet install wget g++ git && \

    apt-get --yes --quiet --quiet install wget g++ git build-essential cmake libpcre2-dev python3-dev python3-cffi && \

    rm -rf /var/lib/apt/lists/*

# Download, build and install libyang. Note that APT package is outdated

# - Ref: https://github.com/CESNET/libyang

# - Ref: https://github.com/CESNET/libyang-python/

RUN mkdir -p /var/libyang

RUN git clone https://github.com/CESNET/libyang.git /var/libyang

WORKDIR /var/libyang

RUN git fetch

RUN git checkout v2.1.148

RUN mkdir -p /var/libyang/build

WORKDIR /var/libyang/build

RUN cmake -D CMAKE_BUILD_TYPE:String="Release" ..

RUN make

RUN make install

RUN ldconfig

# Set Python to show logs as they occur

ENV PYTHONUNBUFFERED=0

# Create component sub-folders, get specific Python packages

RUN mkdir -p /var/teraflow/pluggables

WORKDIR /var/teraflow/pluggables

COPY src/pluggables/requirements.in requirements.in

RUN pip-compile --quiet --output-file=requirements.txt requirements.in

COPY src/device/requirements.in requirements_device.in

COPY src/pluggables/requirements.in requirements_pluggables.in

RUN pip-compile --quiet --output-file=requirements.txt requirements_device.in requirements_pluggables.in

RUN python3 -m pip install -r requirements.txt

# Add component files into working directory

COPY src/context/__init__.py context/__init__.py

COPY src/context/client/. context/client/

COPY src/device/__init__.py device/__init__.py

COPY src/device/Config.py device/Config.py

COPY src/device/client/. device/client/

COPY src/device/service/. device/service/

COPY src/pluggables/. pluggables/