DOCKER: adding dockerfile for Ubuntu18

Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>

docker/Dockerfile.ausf.ubuntu18

+#/*
+# * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+# * contributor license agreements.  See the NOTICE file distributed with
+# * this work for additional information regarding copyright ownership.
+# * The OpenAirInterface Software Alliance licenses this file to You under
+# * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+# * except in compliance with the License.
+# * You may obtain a copy of the License at
+# *
+# *      http://www.openairinterface.org/?page_id=698
+# *
+# * Unless required by applicable law or agreed to in writing, software
+# * distributed under the License is distributed on an "AS IS" BASIS,
+# * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# * See the License for the specific language governing permissions and
+# * limitations under the License.
+# *-------------------------------------------------------------------------------
+# * For more information about the OpenAirInterface (OAI) Software Alliance:
+# *      contact@openairinterface.org
+# */
+#---------------------------------------------------------------------
+#
+# Dockerfile for the Open-Air-Interface AUSF service
+#   Valid for Ubuntu-18.04 (bionic)
+#
+#---------------------------------------------------------------------
+
+#---------------------------------------------------------------------
+# BUILDER IMAGE
+#---------------------------------------------------------------------
+FROM ubuntu:bionic as oai-ausf-builder
+
+ARG NEEDED_GIT_PROXY
+
+ENV DEBIAN_FRONTEND=noninteractive
+
+RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get upgrade --yes && DEBIAN_FRONTEND=noninteractive apt-get install --yes \
+    psmisc \
+    git \
+  && rm -rf /var/lib/apt/lists/*
+
+# Some GIT configuration command quite useful
+RUN /bin/bash -c "if [[ -v NEEDED_GIT_PROXY ]]; then git config --global http.proxy $NEEDED_GIT_PROXY; fi"
+RUN git config --global https.postBuffer 123289600 && \
+    git config --global http.sslverify false
+
+# Copying source code
+WORKDIR /openair-ausf
+COPY . /openair-ausf
+
+# Installing and Building AUSF
+WORKDIR /openair-ausf/build/scripts
+RUN ./build_ausf --install-deps --force
+RUN ./build_ausf --clean --Verbose --build-type Release --jobs
+
+#---------------------------------------------------------------------
+# TARGET IMAGE
+#---------------------------------------------------------------------
+FROM ubuntu:bionic as oai-ausf
+ENV DEBIAN_FRONTEND=noninteractive
+ENV TZ=Europe/Paris
+# We install some debug tools for the moment in addition of mandatory libraries
+RUN apt-get update && \
+    DEBIAN_FRONTEND=noninteractive apt-get upgrade --yes && \
+    DEBIAN_FRONTEND=noninteractive apt-get install --yes \
+      psmisc \
+      net-tools \
+      tzdata \
+      bc \
+      tshark \
+      libasan4 \
+      libnghttp2-14 \
+      libhogweed4 \
+      libconfig++9v5 \
+      libcurl4-gnutls-dev \
+  && rm -rf /var/lib/apt/lists/*
+
+# Copying executable and generated libraries
+WORKDIR /openair-ausf/bin
+COPY --from=oai-ausf-builder /openair-ausf/build/ausf/build/ausf oai_ausf
+COPY --from=oai-ausf-builder /openair-ausf/scripts/entrypoint.sh .
+
+COPY --from=oai-ausf-builder /usr/local/lib/libpistache.so /usr/local/lib/
+COPY --from=oai-ausf-builder /usr/lib/x86_64-linux-gnu/libnettle.so.6 /usr/local/lib/
+
+RUN ldconfig
+
+WORKDIR /openair-ausf/etc
+COPY --from=oai-ausf-builder /openair-ausf/etc/ausf.conf .
+
+WORKDIR /openair-ausf
+
+ENTRYPOINT ["/bin/bash","/openair-ausf/bin/entrypoint.sh"]
+
+CMD ["/openair-ausf/bin/oai_ausf", "-c" , "/openair-ausf/etc/ausf.conf", "-o"]

etc/ausf.conf

 ## AUSF configuration file
 AUSF =
 {
-  INSTANCE_ID = 10; 
-  PID_DIRECTORY = "/var/run";
-  AUSF_NAME = "OAI-AUSF";
+  INSTANCE_ID = @INSTANCE_ID@;
+  PID_DIRECTORY = "@PID_DIR@";
+  AUSF_NAME = "@AUSF_NAME@";
 
   INTERFACES:{
     # AUSF binded interface for SBI interface (e.g., communication with AMF, UDM)
     SBI:{
-        INTERFACE_NAME = "eth0";       # YOUR NETWORK CONFIG HERE
+        INTERFACE_NAME = "@SBI_IF_NAME@";  # YOUR NETWORK CONFIG HERE
         IPV4_ADDRESS   = "read";
-        PORT           = 80;           # YOUR NETWORK CONFIG HERE (default: 80)
+        PORT           = @SBI_PORT@;       # YOUR NETWORK CONFIG HERE (default: 80)
         PPID           = 60;
     };
   };
 
   # UDM Information
   UDM:{
-     IPV4_ADDRESS   = "192.168.66.8";  # YOUR NETWORK CONFIG HERE
-     PORT           = 80;              # YOUR NETWORK CONFIG HERE  (default: 80)
-     API_VERSION    = "v1";            # YOUR AMF API VERSION FOR UDM CONFIG HERE
+     IPV4_ADDRESS   = "@UDM_IP_ADDRESS@";  # YOUR NETWORK CONFIG HERE
+     PORT           = @UDM_PORT@;          # YOUR NETWORK CONFIG HERE  (default: 80)
+     API_VERSION    = "@UDM_VERSION_NB@";  # YOUR AMF API VERSION FOR UDM CONFIG HERE
     };
 
   # AMF Information
   AMF:{
-     IPV4_ADDRESS   = "192.168.66.2";  # YOUR NETWORK CONFIG HERE  (default: 80)
-     PORT           = 80;              # YOUR NETWORK CONFIG HERE  (default: 80)
-     API_VERSION    = "v1";            # YOUR AMF API VERSION FOR UDM CONFIG HERE
+     IPV4_ADDRESS   = "@AMF_IP_ADDRESS@";  # YOUR NETWORK CONFIG HERE  (default: 80)
+     PORT           = @AMF_PORT@;          # YOUR NETWORK CONFIG HERE  (default: 80)
+     API_VERSION    = "@AMF_VERSION_NB@";  # YOUR AMF API VERSION FOR UDM CONFIG HERE
     };
 
 };
-
-

etc/ausf.env

+INSTANCE_ID=10
+PID_DIR=/var/run
+AUSF_NAME=OAI-AUSF
+SBI_IF_NAME=eth0
+UDM_IP_ADDRESS=192.168.66.8
+UDM_VERSION_NB=v1
+AMF_IP_ADDRESS=192.168.66.2
+AMF_VERSION_NB=v1

scripts/entrypoint.sh

+#!/bin/bash
+
+set -euo pipefail
+
+CONFIG_DIR="/openair-ausf/etc"
+SBI_PORT=${SBI_PORT:-80}
+UDM_PORT=${UDM_PORT:-80}
+AMF_PORT=${AMF_PORT:-80}
+
+for c in ${CONFIG_DIR}/*.conf; do
+    # grep variable names (format: ${VAR}) from template to be rendered
+    VARS=$(grep -oP '@[a-zA-Z0-9_]+@' ${c} | sort | uniq | xargs)
+
+    # create sed expressions for substituting each occurrence of ${VAR}
+    # with the value of the environment variable "VAR"
+    EXPRESSIONS=""
+    for v in ${VARS}; do
+	NEW_VAR=`echo $v | sed -e "s#@##g"`
+        if [[ "${!NEW_VAR}x" == "x" ]]; then
+            echo "Error: Environment variable '${NEW_VAR}' is not set." \
+                "Config file '$(basename $c)' requires all of $VARS."
+            exit 1
+        fi
+        EXPRESSIONS="${EXPRESSIONS};s|${v}|${!NEW_VAR}|g"
+    done
+    EXPRESSIONS="${EXPRESSIONS#';'}"
+
+    # render template and inline replace config file
+    sed -i "${EXPRESSIONS}" ${c}
+done
+
+exec "$@"