Dockerfile.p4c-bmv2

# This Dockerfile builds an image used to compile P4 programs for the bmv2 backend only
# It's based on public p4lang/p4c docker but strips out uneeded backends.
# See https://docs.docker.com/develop/develop-images/multistage-build/
# FROM p4lang/p4c:latest as p4lang-p4c
# :latest on 2022-08-19:
FROM p4lang/p4c@sha256:39a2eb7374f94b899ef75f5ad9fb0bad170ef7697adf2d54ac10286488ad4490 as p4lang-p4c
LABEL maintainer="SONIC-DASH Community"
LABEL description="DASH p4c-bmv2 compiler, minimal"

# Configure make to run as many parallel jobs as cores available
ARG available_processors
ARG MAKEFLAGS=-j$available_processors

ARG CC=gcc
ARG CXX=g++
# Set TZ to avoid interactive installer
ENV TZ=America/Los_Angeles
RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
ENV GIT_SSL_NO_VERIFY=true

# Just copy minimal p4c bins & libs for bm2 backends
# ~632 MB vs. 971MB for unmodifed p4lang/p4c:stable
FROM amd64/ubuntu:20.04
# Need python for "p4c" wrapper &  gcc for the C preprocessor
RUN apt update && apt install -y python3 gcc

COPY --from=p4lang-p4c /usr/local/lib/* /usr/local/lib/

COPY --from=p4lang-p4c \
        /usr/lib/x86_64-linux-gnu/libboost_*so* \
        /usr/lib/x86_64-linux-gnu/libgc*so* \
        /usr/lib/x86_64-linux-gnu/libisl*so* \
        /usr/lib/x86_64-linux-gnu/libmpc*so* \
        /usr/lib/x86_64-linux-gnu/libmpfr*so* \
        /usr/lib/x86_64-linux-gnu/

COPY --from=p4lang-p4c /usr/lib/gcc/x86_64-linux-gnu /usr/lib/gcc/x86_64-linux-gnu/
COPY --from=p4lang-p4c /usr/bin/cpp /usr/bin/
COPY --from=p4lang-p4c /usr/local/share/p4c/ /usr/local/share/p4c/

WORKDIR /usr/local/bin

COPY --from=p4lang-p4c \
        /usr/local/bin/p4c \
        /usr/local/bin/p4c-bm2-ss \
        /usr/local/bin/


ARG user
ARG uid
ARG group
ARG guid
ARG hostname

ENV BUILD_HOSTNAME $hostname
ENV USER $user

RUN groupadd -f -r -g $guid $group

RUN useradd $user -l -u $uid -g $guid -d /var/$user -m -s /bin/bash
CMD bash

# # Alternate approach - selective remove backends etc.
# # ~ 726 MB vs 971MG for p4lang/p4c:stable
# FROM p4lang/p4c:stable as p4lang-p4c
# LABEL maintainer="SONIC-DASH Community"
# LABEL description="DASH p4c-bmv2 compiler, minimal"

# # Configure make to run as many parallel jobs as cores available
# ARG available_processors
# ARG MAKEFLAGS=-j$available_processors

# ARG CC=gcc
# ARG CXX=g++
# # Set TZ to avoid interactive installer
# ENV TZ=America/Los_Angeles
# RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
# ENV GIT_SSL_NO_VERIFY=true

# # Delete unneeded backends
# WORKDIR /usr/local/bin
# RUN rm \
#     UTscapy \
#     bm_CLI \
#     bm_nanomsg_events \
#     bm_p4dbg \
#     ccache \
#     coverage \
#     coverage-2.7 \
#     coverage-3.5 \
#     coverage2 \
#     coverage3 \
#     cygdb \
#     cython \
#     cythonize \
#     easy_install \
#     grpc_cpp_plugin \
#     grpc_csharp_plugin \
#     grpc_node_plugin \
#     grpc_objective_c_plugin \
#     grpc_php_plugin \
#     grpc_python_plugin \
#     grpc_ruby_plugin \
#     nanocat \
#     p4c-dpdk \
#     p4c-ebpf \
#     p4c-graphs \
#     p4c-ubpf \
#     p4test \
#     pi_convert_p4info \
#     pi_gen_fe_defines \
#     pi_gen_native_json \
#     protoc \
#     psa_switch \
#     psa_switch_CLI \
#     ptf \
#     scapy \
#     simple_switch \
#     simple_switch_CLI \
#     simple_switch_grpc \
#     sysrepo-plugind \
#     sysrepocfg \
#     sysrepoctl \
#     sysrepod \
#     thrift \
#     wheel \
#     yanglint \
#     yangre 

# # Copy everything from p4lang-p4c as one layer to avoid the deleted files above
# FROM scratch
# COPY --from=p4lang-p4c / /


# CMD bash