feat(docker): adding conf template to gNB container image

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

ci-scripts/conf_files/enb.band7.tm1.25PRB.usrpb210.conf

@@ -6,10 +6,8 @@ eNBs =
 (
  {
     ////////// Identification parameters:
-    eNB_ID    =  0xe00;
-
+    eNB_ID    =  0xe01;
     cell_type =  "CELL_MACRO_ENB";
-
     eNB_name  =  "eNB-Eurecom-LTEBox";
 
     // Tracking area code, 0x0000 and 0xfffe are reserved values
@@ -139,13 +137,14 @@ eNBs =
       discRxPool_ResourceConfig_offsetIndicator_choice                = 0;
       discRxPool_ResourceConfig_subframeBitmap_present                = "prBs40";
       discRxPool_ResourceConfig_subframeBitmap_choice_bs_buf          = "f0ffffffff";
-      discRxPool_ResourceConfig_subframeBitmap_choice_bs_size= 5;
+      discRxPool_ResourceConfig_subframeBitmap_choice_bs_size         = 5;
       discRxPool_ResourceConfig_subframeBitmap_choice_bs_bits_unused  = 0;
 
+      //SSB central frequency of NR secondary cell group (for ENDC NSA)
+      nr_scg_ssb_freq = 641272;
       }
     );
 
-
     srb1_parameters :
     {
         # timer_poll_retransmit = (ms) [5, 10, 15, 20,... 250, 300, 350, ... 500]
@@ -175,6 +174,7 @@ eNBs =
         SCTP_OUTSTREAMS = 2;
     };
 
+    enable_measurement_reports = "no";
 
     ////////// MME parameters:
     mme_ip_address      = ( { ipv4       = "CI_MME_IP_ADDR";
@@ -185,8 +185,6 @@ eNBs =
                             }
                           );
 
-    enable_measurement_reports = "no";
-
     ///X2
     enable_x2         = "no";
     t_reloc_prep      = 1000;      /* unit: millisecond */

ci-scripts/conf_files/enb.band7.tm1.fr1.25PRB.usrpb210.conf

@@ -5,8 +5,6 @@ Asn1_verbosity = "none";
 eNBs =
 (
  {
-    # real_time choice in {hard, rt-preempt, no}
-    real_time       =  "no";
     ////////// Identification parameters:
     eNB_ID    =  0xe01;
     cell_type =  "CELL_MACRO_ENB";
@@ -14,21 +12,20 @@ eNBs =
     
     // Tracking area code, 0x0000 and 0xfffe are reserved values
     tracking_area_code = 1;
-    plmn_list = (
-      { mcc = 222; mnc = 01; mnc_length = 2; }
-    );
+    plmn_list = ( { mcc = 222; mnc = 01; mnc_length = 2; } );
     
     tr_s_preference     = "local_mac"
 
+    // In seconds
+    rrc_inactivity_threshold = 0;
+
     ////////// Physical parameters:
   
     component_carriers = (
       {
-        node_function                    = "eNodeB_3GPP";
+      node_function             = "3GPP_eNODEB";
       node_timing               = "synch_to_ext_device";
       node_synch_ref            = 0;
-        nb_antenna_ports                 = 1;
-        ue_TransmissionMode              = 1;
       frame_type                = "FDD";
       tdd_config                = 3;
       tdd_config_s              = 0;
@@ -36,27 +33,25 @@ eNBs =
       eutra_band                = 7;
       downlink_frequency        = 2680000000L;
       uplink_frequency_offset   = -120000000;
-  
       Nid_cell                  = 0;
       N_RB_DL                   = 25;
       Nid_cell_mbsfn            = 0;
+      nb_antenna_ports          = 1;
       nb_antennas_tx            = 1;
       nb_antennas_rx            = 1;
-        prach_root                       = 0;
       tx_gain                   = 90;
       rx_gain                   = 115;
       pbch_repetition           = "FALSE";
-
+      prach_root                = 0;
       prach_config_index        = 0;
       prach_high_speed          = "DISABLE";
       prach_zero_correlation    = 1;
       prach_freq_offset         = 2;
-
       pucch_delta_shift         = 1;
       pucch_nRB_CQI             = 0;
       pucch_nCS_AN              = 0;
       pucch_n1_AN               = 0;
-        pdsch_referenceSignalPower       = -29;
+      pdsch_referenceSignalPower= -29;
       pdsch_p_b                 = 0;
       pusch_n_SB                = 1;
       pusch_enable64QAM         = "DISABLE";
@@ -109,6 +104,7 @@ eNBs =
       ue_TimersAndConstants_t311               = 10000;
       ue_TimersAndConstants_n310               = 20;
       ue_TimersAndConstants_n311               = 1;
+      ue_TransmissionMode                      = 1;
 
       //Parameters for SIB18
       rxPool_sc_CP_Len                                       = "normal"; 
@@ -198,39 +194,19 @@ eNBs =
 
     NETWORK_INTERFACES : 
     {
-        ENB_INTERFACE_NAME_FOR_S1_MME            = "eth1";
+        ENB_INTERFACE_NAME_FOR_S1_MME            = "eth0";
         ENB_IPV4_ADDRESS_FOR_S1_MME              = "CI_ENB_IP_ADDR";
-
-        ENB_INTERFACE_NAME_FOR_S1U               = "eth1";
+        ENB_INTERFACE_NAME_FOR_S1U               = "eth0";
         ENB_IPV4_ADDRESS_FOR_S1U                 = "CI_ENB_IP_ADDR";
         ENB_PORT_FOR_S1U                         = 2152; # Spec 2152
-
         ENB_IPV4_ADDRESS_FOR_X2C                 = "CI_ENB_IP_ADDR";
         ENB_PORT_FOR_X2C                         = 36422; # Spec 36422
     };
-    
-    log_config : 
-    {
-     global_log_level                      ="info"; 
-     global_log_verbosity                  ="high";
-     hw_log_level                          ="info"; 
-     hw_log_verbosity                      ="medium";
-     phy_log_level                         ="info"; 
-     phy_log_verbosity                     ="medium";
-     mac_log_level                         ="info"; 
-     mac_log_verbosity                     ="high";
-     rlc_log_level                         ="debug"; 
-     rlc_log_verbosity                     ="high";
-     pdcp_log_level                        ="info"; 
-     pdcp_log_verbosity                    ="high";
-     rrc_log_level                         ="info"; 
-     rrc_log_verbosity                     ="medium";
-   }; 
-   
   }
 );
 
-MACRLCs = (
+MACRLCs =
+(
   {
     num_cc          = 1;
     tr_s_preference = "local_L1";
@@ -241,21 +217,16 @@ MACRLCs = (
   }
 );
 
-THREAD_STRUCT = (
-  {
-    parallel_config = "PARALLEL_RU_L1_TRX_SPLIT";
-    worker_config   = "WORKER_ENABLE";
-  }
-);
-
-L1s = (
+L1s =
+(
   {
     num_cc = 1;
     tr_n_preference = "local_mac";
   }
 );
 
-RUs = (
+RUs =
+(
   {
     local_rf                      = "yes"
     nb_tx                         = 1
@@ -270,6 +241,26 @@ RUs = (
   }
 );
 
+THREAD_STRUCT =
+(
+  {
+    #three config for level of parallelism "PARALLEL_SINGLE_THREAD", "PARALLEL_RU_L1_SPLIT", or "PARALLEL_RU_L1_TRX_SPLIT"
+    parallel_config    = "PARALLEL_RU_L1_TRX_SPLIT";
+    #two option for worker "WORKER_DISABLE" or "WORKER_ENABLE"
+    worker_config      = "WORKER_ENABLE";
+  }
+);
+
+NETWORK_CONTROLLER :
+{
+    FLEXRAN_ENABLED        = "no";
+    FLEXRAN_INTERFACE_NAME = "eth0";
+    FLEXRAN_IPV4_ADDRESS   = "CI_FLEXRAN_CTL_IP_ADDR";
+    FLEXRAN_PORT           = 2210;
+    FLEXRAN_CACHE          = "/mnt/oai_agent_cache";
+    FLEXRAN_AWAIT_RECONF   = "no";
+};
+
 log_config : 
   {
      global_log_level                      ="info"; 
@@ -286,4 +277,5 @@ log_config :
      pdcp_log_verbosity                    ="high";
      rrc_log_level                         ="info"; 
      rrc_log_verbosity                     ="medium";
-  }; 
+};
+

ci-scripts/conf_files/gnb.band78.tm1.fr1.106PRB.usrpb210.conf

@@ -8,7 +8,6 @@ gNBs =
  {
     ////////// Identification parameters:
     gNB_ID    =  0xe00;
-
     cell_type =  "CELL_MACRO_GNB";
     gNB_name  =  "gNB-Eurecom-5GNRBox";
 
@@ -185,13 +184,13 @@ gNBs =
 
 
     ////////// MME parameters:
-    mme_ip_address      = ( { ipv4       = "CI_MME_IP_ADDR";
-                              ipv6       = "192:168:30::17";
-                              port       = 36412 ;
-                              active     = "yes";
-                              preference = "ipv4";
-                            }
-                          );
+#    mme_ip_address      = ( { ipv4       = "CI_MME_IP_ADDR";
+#                              ipv6       = "192:168:30::17";
+#                              port       = 36412 ;
+#                              active     = "yes";
+#                              preference = "ipv4";
+#                            }
+#                          );
 
     ///X2
     enable_x2         = "yes";
@@ -199,8 +198,8 @@ gNBs =
     tx2_reloc_overall = 2000;      /* unit: millisecond */
     t_dc_prep         = 1000;      /* unit: millisecond */
     t_dc_overall      = 2000;      /* unit: millisecond */
-    target_enb_x2_ip_address      = (
-                                     { ipv4       = "CI_FR1_CTL_ENB_IP_ADDR";
+
+    target_enb_x2_ip_address = ( { ipv4       = "CI_FR1_CTL_ENB_IP_ADDR";
                                    ipv6       = "192:168:30::17";
                                    preference = "ipv4";
                                  }
@@ -208,7 +207,6 @@ gNBs =
 
     NETWORK_INTERFACES :
     {
-
       GNB_INTERFACE_NAME_FOR_S1_MME  = "eth0";
       GNB_IPV4_ADDRESS_FOR_S1_MME    = "CI_GNB_IP_ADDR";
       GNB_INTERFACE_NAME_FOR_S1U     = "eth0";
@@ -217,6 +215,7 @@ gNBs =
       GNB_IPV4_ADDRESS_FOR_X2C       = "CI_GNB_IP_ADDR";
       GNB_PORT_FOR_X2C               = 36422; # Spec 36422
     };
+
   }
 );
 
@@ -257,14 +256,13 @@ THREAD_STRUCT = (
   {
     #three config for level of parallelism "PARALLEL_SINGLE_THREAD", "PARALLEL_RU_L1_SPLIT", or "PARALLEL_RU_L1_TRX_SPLIT"
     parallel_config    = "PARALLEL_RU_L1_TRX_SPLIT";
-    //parallel_config    = "PARALLEL_SINGLE_THREAD";
     #two option for worker "WORKER_DISABLE" or "WORKER_ENABLE"
     worker_config      = "WORKER_ENABLE";
   }
 );
 
-     log_config :
-     {
+log_config :
+{
   global_log_level      ="info";
   global_log_verbosity  ="medium";
   hw_log_level          ="info";
@@ -279,8 +277,8 @@ THREAD_STRUCT = (
   pdcp_log_verbosity    ="medium";
   rrc_log_level         ="info";
   rrc_log_verbosity     ="medium";
-    };
+};
 
 uicc: {
-opc = "testopc";
+  opc = "testopc";
 };

docker/Dockerfile.gNB.rhel8.2

@@ -25,7 +25,7 @@
 #
 #---------------------------------------------------------------------
 
-FROM localhost/ran-build:latest AS gnb-build 
+FROM ran-build:latest AS gnb-build 
 
 RUN rm -Rf /oai-ran
 WORKDIR /oai-ran
@@ -37,11 +37,9 @@ RUN /bin/sh oaienv && \
     mkdir -p log && \
     ./build_oai --gNB --ninja -w USRP --verbose-ci
 
-#debug
-#RUN ldconfig -v
-#RUN ldd /oai-ran/targets/bin/nr-softmodem.Rel15
-#RUN ls -lst /oai-ran/targets/bin
-#RUN ls -lst /oai-ran/cmake_targets/ran_build/build/*.so
+RUN yum install -y python3-pip && \
+    pip3 install --ignore-installed pyyaml && \
+    python3 ./docker/scripts/generateTemplate.py ./docker/scripts/gnb_parameters.yaml
 
 #start from scratch for target executable
 FROM registry.access.redhat.com/ubi8/ubi:latest as oai-gnb
@@ -62,6 +60,7 @@ RUN yum repolist --disablerepo=* && \
 
 WORKDIR /opt/oai-gnb/bin
 COPY --from=gnb-build /oai-ran/targets/bin/nr-softmodem.Rel15 .
+COPY --from=gnb-build /oai-ran/docker/scripts/gnb_entrypoint.sh entrypoint.sh
 
 WORKDIR /usr/local/lib/
 COPY --from=gnb-build /oai-ran/targets/bin/liboai_eth_transpro.so.Rel15 .
@@ -99,23 +98,10 @@ COPY --from=gnb-build /lib64/libboost_timer.so.1.66.0 /lib64
 COPY --from=gnb-build /usr/local/lib64/libuhd.so.4.0.0 /usr/local/lib64
 
 RUN ldconfig
-#debug
-#RUN ldd /opt/oai-gnb/bin/nr-softmodem.Rel15
-#RUN ldd /usr/local/lib/liboai_eth_transpro.so.Rel15
-#RUN ldd /usr/local/lib/libtcp_bridge_oai.so.Rel15
-#RUN ldd /usr/local/lib/librfsimulator.so.Rel15
-#RUN ldd /usr/local/lib/liboai_usrpdevif.so.Rel15
-#RUN ldd /usr/local/lib/libcoding.so
-#RUN ldd /usr/local/lib/libparams_libconfig.so
-#RUN ldd /usr/local/lib/libdfts.so
-#RUN ldd /usr/local/lib/libldpc.so
-#RUN ldd /usr/local/lib/libldpc_optim.so
-#RUN ldd /usr/local/lib/libldpc_optim8seg.so
-#RUN ldd /usr/local/lib/libldpc_orig.so
 
 # Copy the relevant configuration files for gNB
 WORKDIR /opt/oai-gnb/etc
-COPY --from=gnb-build /oai-ran/ci-scripts/conf_files/gnb.* .
+COPY --from=gnb-build /oai-ran/docker/etc .
 
 WORKDIR /opt/oai-gnb
 #EXPOSE 2152/udp  # S1U, GTP/UDP
@@ -125,6 +111,5 @@ WORKDIR /opt/oai-gnb
 #EXPOSE 50000/udp # IF5 / ORI (control)
 #EXPOSE 50001/udp # IF5 / ECPRI (data)
 
-#CMD ["/opt/oai-gnb/bin/nr-softmodem", "-O", "/opt/oai-gnb/etc/gnb.conf"]
-#ENTRYPOINT ["/opt/oai-gnb/bin/entrypoint.sh"]
-CMD ["sleep", "infinity"]
+ENTRYPOINT ["/opt/oai-gnb/bin/entrypoint.sh"]
+CMD ["/opt/oai-gnb/bin/nr-softmodem", "-O", "/opt/oai-gnb/etc/gnb.conf"]

docker/Dockerfile.gNB.ubuntu18

@@ -37,23 +37,21 @@ RUN /bin/sh oaienv && \
     mkdir -p log && \
     ./build_oai --gNB --ninja -w USRP --verbose-ci
 
-#debug
-RUN ldconfig -v
-RUN ldd /oai-ran/targets/bin/nr-softmodem.Rel15
-RUN ls -lst /oai-ran/targets/bin
-RUN ls -lst /oai-ran/cmake_targets/ran_build/build/*.so
+RUN apt-get install -y python3-pip && \
+    pip3 install --ignore-installed pyyaml && \
+    python3 ./docker/scripts/generateTemplate.py ./docker/scripts/gnb_parameters.yaml
 
 #start from scratch for target executable
 FROM ubuntu:bionic as oai-gnb
 ENV DEBIAN_FRONTEND=noninteractive
 ENV TZ=Europe
-RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
 
 RUN apt-get update && \
     DEBIAN_FRONTEND=noninteractive apt-get upgrade --yes && \
     DEBIAN_FRONTEND=noninteractive apt-get install --yes \
         software-properties-common \
         libsctp1 \
+        tzdata \
         libnettle6 \
         libblas3 \
         libatlas3-base \
@@ -76,6 +74,7 @@ RUN apt-get update && \
 
 WORKDIR /opt/oai-gnb/bin
 COPY --from=gnb-build /oai-ran/targets/bin/nr-softmodem.Rel15 .
+COPY --from=gnb-build /oai-ran/docker/scripts/gnb_entrypoint.sh entrypoint.sh
 
 WORKDIR /usr/local/lib/
 COPY --from=gnb-build /oai-ran/targets/bin/liboai_eth_transpro.so.Rel15 .
@@ -96,23 +95,10 @@ RUN /bin/bash -c "ln -s /usr/local/lib/librfsimulator.so.Rel15 /usr/local/lib/li
 COPY --from=gnb-build /usr/local/lib/libprotobuf-c.so.1 .
 
 RUN ldconfig
-#debug
-#RUN ldd /opt/oai-gnb/bin/nr-softmodem.Rel15
-#RUN ldd /usr/local/lib/liboai_eth_transpro.so.Rel15
-#RUN ldd /usr/local/lib/libtcp_bridge_oai.so.Rel15
-#RUN ldd /usr/local/lib/librfsimulator.so.Rel15
-#RUN ldd /usr/local/lib/liboai_usrpdevif.so.Rel15
-#RUN ldd /usr/local/lib/libcoding.so
-#RUN ldd /usr/local/lib/libparams_libconfig.so
-#RUN ldd /usr/local/lib/libdfts.so
-#RUN ldd /usr/local/lib/libldpc.so
-#RUN ldd /usr/local/lib/libldpc_optim.so
-#RUN ldd /usr/local/lib/libldpc_optim8seg.so
-#RUN ldd /usr/local/lib/libldpc_orig.so
 
 # Copy the relevant configuration files for gNB
 WORKDIR /opt/oai-gnb/etc
-COPY --from=gnb-build /oai-ran/ci-scripts/conf_files/gnb.* ./
+COPY --from=gnb-build /oai-ran/docker/etc .
 
 WORKDIR /opt/oai-gnb
 #EXPOSE 2152/udp  # S1U, GTP/UDP
@@ -122,6 +108,5 @@ WORKDIR /opt/oai-gnb
 #EXPOSE 50000/udp # IF5 / ORI (control)
 #EXPOSE 50001/udp # IF5 / ECPRI (data)
 
-#CMD ["/opt/oai-gnb/bin/nr-softmodem", "-O", "/opt/oai-gnb/etc/gnb.conf"]
-#ENTRYPOINT ["/opt/oai-gnb/bin/entrypoint.sh"]
-CMD ["sleep", "infinity"]
+ENTRYPOINT ["/opt/oai-gnb/bin/entrypoint.sh"]
+CMD ["/opt/oai-gnb/bin/nr-softmodem", "-O", "/opt/oai-gnb/etc/gnb.conf"]

docker/Dockerfile.nrUE.rhel8.2

@@ -25,7 +25,7 @@
 #
 #---------------------------------------------------------------------
 
-FROM localhost/ran-build:latest AS nr-ue-build 
+FROM ran-build:latest AS nr-ue-build 
 
 RUN rm -Rf /oai-ran
 WORKDIR /oai-ran

docker/Dockerfile.phySim.rhel8.2

@@ -25,7 +25,7 @@
 #
 #---------------------------------------------------------------------
 
-FROM localhost/ran-build:develop AS phy-sim-build
+FROM ran-build:develop AS phy-sim-build
 
 RUN rm -Rf /oai-ran
 WORKDIR /oai-ran

docker/Dockerfile.ran.rhel8.2

@@ -44,8 +44,11 @@ RUN rm -f /etc/rhsm-host && \
        file \
        psmisc \
        git \
+       # python3-pip and pyyaml are used for conf template generation
+       python3-pip
        #unzip is needed for protobuf
        unzip && \
+    pip3 install --ignore-installed pyyaml && \
     echo "/usr/local/lib" > /etc/ld.so.conf.d/local-lib.conf && \
     echo "/usr/local/lib64" >> /etc/ld.so.conf.d/local-lib.conf
 

docker/Dockerfile.ran.ubuntu18

@@ -42,7 +42,10 @@ RUN apt-get update && \
        git \
        xxd \
        #unzip is needed for protobuf
-       unzip
+       unzip \
+       # python3-pip for conf template generation
+       python3-pip && \
+    pip3 install --ignore-installed pyyaml
 
 # In some network environments, GIT proxy is required
 RUN /bin/bash -c "if [[ -v NEEDED_GIT_PROXY ]]; then git config --global http.proxy $NEEDED_GIT_PROXY; fi"
@@ -56,4 +59,3 @@ RUN /bin/sh oaienv && \
     cd cmake_targets && \
     mkdir -p log && \
     ./build_oai -I -w USRP
-

docker/scripts/enb_entrypoint.sh

@@ -4,6 +4,8 @@ set -euo pipefail
 
 PREFIX=/opt/oai-enb
 RRC_INACTIVITY_THRESHOLD=${RRC_INACTIVITY_THRESHOLD:-0}
+ENABLE_MEASUREMENT_REPORTS=${ENABLE_MEASUREMENT_REPORTS:-no}
+ENABLE_X2=${ENABLE_X2:-no}
 
 # Based another env var, pick one template to use
 if [[ -v USE_FDD_CU ]]; then ln -s $PREFIX/etc/cu.fdd.conf $PREFIX/etc/enb.conf; fi

docker/scripts/enb_parameters.yaml

@@ -123,7 +123,7 @@
     - key: bands
       env: "@UTRA_BAND_ID@"
       
-  - filePrefix: enb.band7.tm1.25PRB.usrpb210
+  - filePrefix: enb.band7.tm1.fr1.25PRB.usrpb210.conf
     outputfilename: "enb.fdd.conf"
     config:
     - key: Active_eNBs
@@ -147,6 +147,10 @@
       env: "@NID_CELL@"
     - key: N_RB_DL
       env: "@NB_PRB@"
+    - key: enable_measurement_reports
+      env: "@ENABLE_MEASUREMENT_REPORTS@"
+    - key: enable_x2
+      env: "@ENABLE_X2@"
     - key: ipv4
       env: "@MME_S1C_IP_ADDRESS@"
     - key: ENB_INTERFACE_NAME_FOR_S1_MME

docker/scripts/generateTemplate.py

@@ -48,11 +48,12 @@ def main():
                              "du.band7.tm1.25PRB": f'{data[0]["paths"]["dest_dir"]}/{outputfilename}',
                              "rru.fdd": f'{data[0]["paths"]["dest_dir"]}/{outputfilename}',
                              "rru.tdd": f'{data[0]["paths"]["dest_dir"]}/{outputfilename}',
-                             "enb.band7.tm1.25PRB.usrpb210": f'{data[0]["paths"]["dest_dir"]}/{outputfilename}',
+                             "enb.band7.tm1.fr1.25PRB.usrpb210.conf": f'{data[0]["paths"]["dest_dir"]}/{outputfilename}',
                              "enb.band40.tm1.25PRB.FairScheduler.usrpb210": f'{data[0]["paths"]["dest_dir"]}/{outputfilename}',
                              "rcc.band7.tm1.nfapi": f'{data[0]["paths"]["dest_dir"]}/{outputfilename}',
                              "rcc.band7.tm1.if4p5.lo.25PRB": f'{data[0]["paths"]["dest_dir"]}/{outputfilename}',
                              "rcc.band40.tm1.25PRB": f'{data[0]["paths"]["dest_dir"]}/{outputfilename}',
+                             "gnb.band78.tm1.fr1.106PRB.usrpb210.conf": f'{data[0]["paths"]["dest_dir"]}/{outputfilename}',
                              "ue.nfapi": f'{data[0]["paths"]["dest_dir"]}/{outputfilename}',
                              "ue_sim_ci": f'{data[0]["paths"]["dest_dir"]}/{outputfilename}'
                              }

docker/scripts/gnb_entrypoint.sh

+#!/bin/bash
+
+set -euo pipefail
+
+PREFIX=/opt/oai-gnb
+ENABLE_X2=${ENABLE_X2:-yes}
+
+# Based another env var, pick one template to use
+if [[ -v USE_TDD_MONO ]]; then ln -s $PREFIX/etc/gnb.tdd.conf $PREFIX/etc/gnb.conf; fi
+
+# Only this template will be manipulated
+CONFIG_FILES=`ls $PREFIX/etc/gnb.conf || true`
+
+for c in ${CONFIG_FILES}; 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
+
+# Load the USRP binaries
+if [[ -v USE_B2XX ]]; then
+    /usr/lib/uhd/utils/uhd_images_downloader.py -t b2xx
+elif [[ -v USE_X3XX ]]; then
+    /usr/lib/uhd/utils/uhd_images_downloader.py -t x3xx
+elif [[ -v USE_N3XX ]]; then
+    /usr/lib/uhd/utils/uhd_images_downloader.py -t n3xx
+fi
+
+echo "=================================="
+echo "== Starting gNB soft modem"
+if [[ -v USE_ADDITIONAL_OPTIONS ]]; then
+    echo "Additional option(s): ${USE_ADDITIONAL_OPTIONS}"
+    new_args=()
+    while [[ $# -gt 0 ]]; do
+        new_args+=("$1")
+        shift
+    done
+    for word in ${USE_ADDITIONAL_OPTIONS}; do
+        new_args+=("$word")
+    done
+    echo "${new_args[@]}"
+    exec "${new_args[@]}"
+else
+    echo "$@"
+    exec "$@"
+fi

docker/scripts/gnb_parameters.yaml

+#/*
+# * 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
+# */
+
+---
+- paths:
+    source_dir: "ci-scripts/conf_files/"
+    dest_dir: docker/etc
+
+- configurations:
+  - filePrefix: gnb.band78.tm1.fr1.106PRB.usrpb210.conf
+    outputfilename: "gnb.tdd.conf"
+    config:
+    - key: Active_gNBs
+      env: "@GNB_NAME@"
+    - key: gNB_name
+      env: "@GNB_NAME@"
+    - key: plmn_list
+      env:
+        mcc: "@MCC@"
+        mnc: "@MNC@"
+        mnc_length: "@MNC_LENGTH@"
+    - key: tracking_area_code
+      env: "@TAC@"
+    - key: enable_x2
+      env: "@ENABLE_X2@"
+    - key: ipv4
+      env: "@ENB_X2_IP_ADDRESS@"
+    - key: GNB_INTERFACE_NAME_FOR_S1_MME
+      env: "@GNB_S1C_IF_NAME@"
+    - key: GNB_IPV4_ADDRESS_FOR_S1_MME
+      env: "@GNB_S1C_IP_ADDRESS@"
+    - key: GNB_INTERFACE_NAME_FOR_S1U
+      env: "@GNB_S1U_IF_NAME@"
+    - key: GNB_IPV4_ADDRESS_FOR_S1U
+      env: "@GNB_S1U_IP_ADDRESS@"
+    - key: GNB_IPV4_ADDRESS_FOR_X2C
+      env: "@GNB_X2_IP_ADDRESS@"
+    - key: rrc_inactivity_threshold
+      env: "@RRC_INACTIVITY_THRESHOLD@"
+    - key: FLEXRAN_ENABLED
+      env: "@FLEXRAN_ENABLED@"
+    - key: FLEXRAN_INTERFACE_NAME
+      env: "@FLEXRAN_INTERFACE_NAME@"
+    - key: FLEXRAN_IPV4_ADDRESS
+      env: "@FLEXRAN_IPV4_ADDRESS@"
+