AW2S image: install less packages, require mounted configuration file

docker/Dockerfile.gNB.aw2s.ubuntu18

@@ -37,9 +37,6 @@ RUN /bin/sh oaienv && \
     cd cmake_targets/ran_build/build && \
     ninja aw2sori_transpro
 
-RUN python3 ./docker/scripts/generateTemplate.py ./docker/scripts/gnb_parameters.yaml && \
-    cp /oai-ran/docker/scripts/gnb-aw2s_entrypoint.sh /oai-ran/docker/scripts/entrypoint.sh
-
 #start from scratch for target executable
 FROM ubuntu:bionic as oai-gnb-aw2s
 ENV DEBIAN_FRONTEND=noninteractive
@@ -48,31 +45,22 @@ ENV TZ=Europe
 RUN apt-get update && \
     DEBIAN_FRONTEND=noninteractive apt-get upgrade --yes && \
     DEBIAN_FRONTEND=noninteractive apt-get install --yes \
-        software-properties-common \
         procps \
         libsctp1 \
         tzdata \
-        libnettle6 \
         libblas3 \
         libatlas3-base \
         libconfig9 \
         openssl \
         net-tools \
         iproute2 \
-        iputils-ping \
-        python \
-        python3 \
-        python3-six \
-        python3-requests \
-        libusb-1.0-0 && \
+        iputils-ping  && \
     rm -rf /var/lib/apt/lists/*
 
 COPY ./libori.so /usr/local/lib/
 
 WORKDIR /opt/oai-gnb-aw2s/bin
-COPY --from=gnb-build \
-    /oai-ran/cmake_targets/ran_build/build/nr-softmodem \
-    ./
+COPY --from=gnb-build /oai-ran/cmake_targets/ran_build/build/nr-softmodem ./
 COPY ./docker/scripts/gnb-aw2s_entrypoint.sh /opt/oai-gnb-aw2s/bin/entrypoint.sh
 
 COPY --from=gnb-build \
@@ -94,17 +82,7 @@ RUN /bin/bash -c "ln -s /usr/local/lib/libaw2sori_transpro.so /usr/local/lib/lib
     /bin/bash -c "ln -s /usr/local/lib/liboai_eth_transpro.so /usr/local/lib/liboai_transpro.so" && \
     ldconfig
 
-# Copy the relevant configuration files for gNB
-WORKDIR /opt/oai-gnb-aw2s/etc
-COPY --from=gnb-build /oai-ran/docker/etc .
-
 WORKDIR /opt/oai-gnb-aw2s
-#EXPOSE 2152/udp  # S1U, GTP/UDP
-#EXPOSE 22100/tcp # ?
-#EXPOSE 36412/udp # S1C, SCTP/UDP
-#EXPOSE 36422/udp # X2C, SCTP/UDP
-#EXPOSE 50000/udp # IF5 / ORI (control)
-#EXPOSE 50001/udp # IF5 / ECPRI (data)
 
 ENTRYPOINT ["/opt/oai-gnb-aw2s/bin/entrypoint.sh"]
 CMD ["/opt/oai-gnb-aw2s/bin/nr-softmodem", "-O", "/opt/oai-gnb-aw2s/etc/gnb.conf"]

docker/scripts/gnb-aw2s_entrypoint.sh

@@ -3,62 +3,18 @@
 set -uo pipefail
 
 PREFIX=/opt/oai-gnb-aw2s
-ENABLE_X2=${ENABLE_X2:-yes}
-THREAD_PARALLEL_CONFIG=${THREAD_PARALLEL_CONFIG:-PARALLEL_SINGLE_THREAD}
 
-# Based another env var, pick one template to use
-
-if [[ -v USE_NSA_TDD_MONO ]]; then cp $PREFIX/etc/gnb.nsa.tdd.conf $PREFIX/etc/gnb.conf; fi
-if [[ -v USE_SA_TDD_MONO ]]; then cp $PREFIX/etc/gnb.sa.tdd.conf $PREFIX/etc/gnb.conf; fi
-if [[ -v USE_SA_TDD_MONO_B2XX ]]; then cp $PREFIX/etc/gnb.sa.tdd.b2xx.conf $PREFIX/etc/gnb.conf; fi
-if [[ -v USE_SA_FDD_MONO ]]; then cp $PREFIX/etc/gnb.sa.fdd.conf $PREFIX/etc/gnb.conf; fi
-if [[ -v USE_SA_CU ]]; then cp $PREFIX/etc/gnb.sa.cu.conf $PREFIX/etc/gnb.conf; fi
-if [[ -v USE_SA_TDD_DU ]]; then cp $PREFIX/etc/gnb.sa.du.tdd.conf $PREFIX/etc/gnb.conf; fi
-if [[ -v USE_SA_NFAPI_VNF ]]; then cp $PREFIX/etc/gnb.sa.nfapi.vnf.conf $PREFIX/etc/gnb.conf; fi
-# Sometimes, the templates are not enough. We mount a conf file on $PREFIX/etc. It can be a template itself.
-if [[ -v USE_VOLUMED_CONF ]]; then cp $PREFIX/etc/mounted.conf $PREFIX/etc/gnb.conf; fi
-
-# Default Parameters
-GNB_ID=${GNB_ID:-e00}
-NSSAI_SD=${NSSAI_SD:-ffffff}
-# AMF_IP_ADDRESS can be amf ip address of amf fqdn
-if [[ -v AMF_IP_ADDRESS ]] && [[ "${AMF_IP_ADDRESS}" =~ [a-zA-Z] ]] && [[ -z `getent hosts $AMF_IP_ADDRESS | awk '{print $1}'` ]]; then echo "not able to resolve AMF FQDN" && exit 1 ; fi
-[[ -v AMF_IP_ADDRESS ]] && [[ "${AMF_IP_ADDRESS}" =~ [a-zA-Z] ]] && AMF_IP_ADDRESS=$(getent hosts $AMF_IP_ADDRESS | awk '{print $1}')
-
-# Only this template will be manipulated
-CONFIG_FILES=`ls $PREFIX/etc/gnb.conf || true`
-
-for c in ${CONFIG_FILES}; do
-    # Sometimes templates have no pattern to be replaced.
-    if ! grep -oP '@[a-zA-Z0-9_]+@' ${c}; then
-        echo "Configuration is already set"
-        break
-    fi
-
-    # 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}
+if [[ -v USE_VOLUMED_CONF ]]; then
+  cp $PREFIX/etc/mounted.conf $PREFIX/etc/gnb.conf
+else
+  echo "ERROR: No configuration file provided."
+  echo "Please set USE_VOLUMED_CONF and mount a configuration file at $PREFIX/etc/mounted.conf"
+  exit 1
+fi
 
-    echo "=================================="
-    echo "== Configuration file: ${c}"
-    cat ${c}
-done
+echo "=================================="
+echo "== Configuration file:"
+cat $PREFIX/etc/enb.conf
 
 # enable printing of stack traces on assert
 export gdbStacks=1