X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=Dockerfile;h=e160d30f9f9624c2f4a2d48ad27a4f76f0c61682;hb=06a1a14f49cd65f6836fb3bb6d772c076b8f9f11;hp=4041aeed3edb546b6510da8ee26677aee69f2329;hpb=3eeee0df227d23e2a76b49cd4bbbcd8ff2733a05;p=ric-plt%2Fa1.git

diff --git a/Dockerfile b/Dockerfile
index 4041aee..e160d30 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 # ==================================================================================
-#       Copyright (c) 2019 Nokia
-#       Copyright (c) 2018-2019 AT&T Intellectual Property.
+#       Copyright (c) 2019-2020 Nokia
+#       Copyright (c) 2018-2020 AT&T Intellectual Property.
 #
 #   Licensed under the Apache License, Version 2.0 (the "License");
 #   you may not use this file except in compliance with the License.
@@ -14,37 +14,117 @@
 #   See the License for the specific language governing permissions and
 #   limitations under the License.
 # ==================================================================================
-# TODO: switch to alpine once rmr apk available
-FROM python:3.7
 
+# This builds an image for A1 based on ubuntu. The build takes between three and four
+# minutes depending on what was previously cached, and results in an image that is
+# roughly 260 MiB in size (as of May 2021)
+#
 
-COPY . /tmp
-WORKDIR /tmp
+FROM python:3.8 as build
 
-# copy NNG out of the  CI builder nng
-COPY --from=nexus3.o-ran-sc.org:10004/bldr-debian-python-nng:2-py3.7-nng1.1.1 /usr/local/lib/libnng.so /usr/local/lib/libnng.so
+# upgrade pip as root
+RUN pip install --upgrade pip
 
-# Installs RMr using debian package hosted at packagecloud.io
-RUN wget --content-disposition https://packagecloud.io/o-ran-sc/master/packages/debian/stretch/rmr_1.0.36_amd64.deb/download.deb
-RUN dpkg -i rmr_1.0.36_amd64.deb
+# pick up things for gevent build
+#
+RUN apt-get update
+RUN apt-get install -y gcc musl-dev make file libffi-dev g++
+
+# --- all root operations must be above this line ------------------------------------
 
-# Install RMr python bindings
-RUN pip install --upgrade pip
-RUN pip install rmr==0.10.1
 
-# install a1
+# create a simple user.  This is only really needed in stage 2,
+# however this makes the copying easier and straighttforward;
+# the 'pip option --user' command  doesn't do the same thing when
+# run as root.
+#
+RUN addgroup a1user && adduser --ingroup a1user a1user
+
+# switch to the non-root user for installing python things
+USER a1user
+
+# Speed hack; we install gevent before anything because when building repeatedly (eg during dev)
+# and only changing a1 code, we do not need to keep compiling gevent which takes forever
+RUN pip install --user gevent
+
+COPY setup.py /home/a1user/
+COPY a1/ /home/a1user/a1
+RUN pip install --user /home/a1user
 
-# Prereq for unit tests
-RUN pip install tox
-RUN tox
 
-# do the actual install
-RUN pip install .
-EXPOSE 10000
 
-# rmr setups
+# ----- stage 2  ---------------------------------------------------------------------------------
+
+# It might be tempting to use python:3.8, but that image is more than
+# 800 GiB to start, and the final image size if it is used is over
+# 1 GiB!!  Using the plain ubuntu image, then installing py3, and taking
+# things built in the first stage, the final image size isn't tiny, but should
+# be well under the 800GiB start for the python image.
+#
+FROM ubuntu:18.04
+
+# pick up reference to python so that we can get 3.8 and not the really old default
+
+RUN    apt-get update \
+	&& apt install -y software-properties-common \
+	&& add-apt-repository ppa:deadsnakes/ppa \
+	&& apt-get install -y python3.8 python3-pip wget \
+	&& apt-get clean
+
+# fetch and install RMR and any other needed libraries
+#
+ARG RMR_VER=4.7.4
+ARG RMR_PKG_URL=https://packagecloud.io/o-ran-sc/release/packages/debian/stretch/
+
+RUN wget -nv --content-disposition ${RMR_PKG_URL}/rmr_${RMR_VER}_amd64.deb/download.deb
+RUN wget -nv --content-disposition ${RMR_PKG_URL}/rmr-dev_${RMR_VER}_amd64.deb/download.deb
+RUN    dpkg -i rmr_${RMR_VER}_amd64.deb  \
+	&& dpkg -i rmr-dev_${RMR_VER}_amd64.deb \
+	&& ldconfig
+
+# copy python modules; this makes the 2 stage python build work
+#
+COPY --from=build /home/a1user/.local /home/a1user/.local
+
+# create mount point for dir with rmr routing file as named below
+#
 RUN mkdir -p /opt/route/
-ENV LD_LIBRARY_PATH /usr/local/lib
+
+# create a non-root user, ensure it can access what it needs, and switch to it
+#
+RUN    addgroup a1user \
+	&& adduser --disabled-password --disabled-login --gecos "image-user" --no-create-home --ingroup a1user a1user \
+	&& chown -R a1user:a1user /home/a1user/.local \
+	&& chown a1user:a1user /home/a1user
+
+
+# ------------------ no root commands after this point -------------------------------------
+USER a1user
+
+# the maddening onsey-twosey install of pything crud...
+#
+RUN pip3 install  --user connexion
+
+# misc
+#
+EXPOSE 10000
+ENV LD_LIBRARY_PATH /usr/local/lib/:/usr/local/lib64
 ENV RMR_SEED_RT /opt/route/local.rt
 
-CMD run.py
+# Set "fake" to True to run standalone
+#
+ENV USE_FAKE_SDL False
+ENV PYTHONUNBUFFERED 1
+
+# pip installs executable script to $HOME/.local/bin so PATH vars are critical
+#
+ENV PATH /home/a1user/.local/bin:$PATH
+ENV PYTHONPATH /home/a1user/.local/lib/python3.8/site-packages
+
+# prometheus client gathers data here
+#
+ENV prometheus_multiproc_dir /tmp
+
+# by defalt start the application
+#
+CMD [ "/usr/bin/python3.8", "/home/a1user/.local/bin/run-a1" ]