runTestOnVM.sh

#!/bin/bash
#/*
# * 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
# */

function test_usage {
    echo "OAI CI VM script"
    echo "   Original Author: Raphael Defosseux"
    echo "   Requirements:"
    echo "     -- uvtool uvtool-libvirt apt-cacher"
    echo "     -- $VM_OSREL image already synced"
    echo "   Default:"
    echo "     -- eNB with USRP"
    echo ""
    echo "Usage:"
    echo "------"
    echo "    oai-ci-vm-tool test [OPTIONS]"
    echo ""
    command_options_usage
}

function start_basic_sim_enb {
    local LOC_VM_IP_ADDR=$2
    local LOC_EPC_IP_ADDR=$3
    local LOC_LOG_FILE=$4
    local LOC_NB_RBS=$5
    local LOC_CONF_FILE=$6
    local LOC_FLEXRAN_CTL_IP_ADRR=$7
    echo "cd /home/ubuntu/tmp" > $1
    echo "echo \"sudo apt-get --yes --quiet install daemon \"" >> $1
    echo "sudo apt-get --yes install daemon >> /home/ubuntu/tmp/cmake_targets/log/daemon-install.txt 2>&1" >> $1
    echo "echo \"export ENODEB=1\"" >> $1
    echo "export ENODEB=1" >> $1
    echo "echo \"source oaienv\"" >> $1
    echo "source oaienv" >> $1
    echo "cd ci-scripts/conf_files/" >> $1
    echo "cp $LOC_CONF_FILE ci-$LOC_CONF_FILE" >> $1
    echo "sed -i -e 's#N_RB_DL.*=.*;#N_RB_DL                                         = $LOC_NB_RBS;#' -e 's#CI_MME_IP_ADDR#$LOC_EPC_IP_ADDR#' -e 's#CI_ENB_IP_ADDR#$LOC_VM_IP_ADDR#' ci-$LOC_CONF_FILE" >> $1
    if [[ $LOC_FLEXRAN_CTL_IP_ADRR =~ .*none.* ]]
    then
        echo "sed -i -e 's#CI_FLEXRAN_CTL_IP_ADDR#127.0.0.1#' ci-$LOC_CONF_FILE" >> $1
    else
        echo "sed -i -e 's#FLEXRAN_ENABLED        = .*no.*;#FLEXRAN_ENABLED        = \"yes\";#' -e 's#CI_FLEXRAN_CTL_IP_ADDR#$LOC_FLEXRAN_CTL_IP_ADRR#' ci-$LOC_CONF_FILE" >> $1
    fi
    echo "echo \"grep N_RB_DL ci-$LOC_CONF_FILE\"" >> $1
    echo "grep N_RB_DL ci-$LOC_CONF_FILE | sed -e 's#N_RB_DL.*=#N_RB_DL =#'" >> $1
    echo "echo \"cd /home/ubuntu/tmp/cmake_targets/lte_build_oai/build/\"" >> $1
    echo "sudo chmod 777 /home/ubuntu/tmp/cmake_targets/lte_build_oai/" >> $1
    echo "sudo chmod 777 /home/ubuntu/tmp/cmake_targets/lte_build_oai/build/" >> $1
    echo "cd /home/ubuntu/tmp/cmake_targets/lte_build_oai/build/" >> $1
    echo "echo \"ulimit -c unlimited && ./lte-softmodem -O /home/ubuntu/tmp/ci-scripts/conf_files/ci-$LOC_CONF_FILE --log_config.global_log_options level,nocolor --basicsim\" > ./my-lte-softmodem-run.sh " >> $1
    echo "chmod 775 ./my-lte-softmodem-run.sh" >> $1
    echo "cat ./my-lte-softmodem-run.sh" >> $1
    echo "if [ -e /home/ubuntu/tmp/cmake_targets/log/$LOC_LOG_FILE ]; then sudo sudo rm -f /home/ubuntu/tmp/cmake_targets/log/$LOC_LOG_FILE; fi" >> $1
    echo "sudo -E daemon --inherit --unsafe --name=enb_daemon --chdir=/home/ubuntu/tmp/cmake_targets/lte_build_oai/build -o /home/ubuntu/tmp/cmake_targets/log/$LOC_LOG_FILE ./my-lte-softmodem-run.sh" >> $1

    ssh -T -o StrictHostKeyChecking=no ubuntu@$LOC_VM_IP_ADDR < $1
    rm $1
    sleep 5

    local i="0"
    echo "egrep -c \"got sync\" /home/ubuntu/tmp/cmake_targets/log/$LOC_LOG_FILE" > $1
    while [ $i -lt 10 ]
    do
        CONNECTED=`ssh -T -o StrictHostKeyChecking=no ubuntu@$LOC_VM_IP_ADDR < $1`
        if [ $CONNECTED -ne 0 ]
        then
            i="100"
        else
            sleep 5
            i=$[$i+1]
        fi
    done
    ENB_SYNC=0
    rm $1
    if [ $i -lt 50 ]
    then
        ENB_SYNC=0
        echo "Basic-Sim eNB: eNB did NOT got sync"
    else
        echo "Basic-Sim eNB: eNB GOT SYNC --> waiting for UE to connect"
    fi
    sleep 5
}

function start_basic_sim_ue {
    local LOC_UE_LOG_FILE=$3
    local LOC_NB_RBS=$4
    local LOC_FREQUENCY=$5
    echo "echo \"cd /home/ubuntu/tmp/cmake_targets/lte_build_oai/build/\"" > $1
    echo "sudo chmod 777 /home/ubuntu/tmp/cmake_targets/lte_build_oai/build/" >> $1
    echo "cd /home/ubuntu/tmp/cmake_targets/lte_build_oai/build" >> $1
    echo "echo \"./lte-uesoftmodem -C ${LOC_FREQUENCY}000000 -r $LOC_NB_RBS  --log_config.global_log_options nocolor,level --basicsim\" > ./my-lte-uesoftmodem-run.sh" >> $1
    echo "chmod 775 ./my-lte-uesoftmodem-run.sh" >> $1
    echo "cat ./my-lte-uesoftmodem-run.sh" >> $1
    echo "if [ -e /home/ubuntu/tmp/cmake_targets/log/$LOC_UE_LOG_FILE ]; then sudo sudo rm -f /home/ubuntu/tmp/cmake_targets/log/$LOC_UE_LOG_FILE; fi" >> $1
    echo "sudo -E daemon --inherit --unsafe --name=ue_daemon --chdir=/home/ubuntu/tmp/cmake_targets/lte_build_oai/build -o /home/ubuntu/tmp/cmake_targets/log/$LOC_UE_LOG_FILE ./my-lte-uesoftmodem-run.sh" >> $1

    ssh -T -o StrictHostKeyChecking=no ubuntu@$2 < $1
    rm $1

    local i="0"
    echo "ifconfig oaitun_ue1 | egrep -c \"inet addr\"" > $1
    while [ $i -lt 10 ]
    do
        sleep 5
        CONNECTED=`ssh -T -o StrictHostKeyChecking=no ubuntu@$2 < $1`
        if [ $CONNECTED -eq 1 ]
        then
            i="100"
        else
            i=$[$i+1]
        fi
    done
    UE_SYNC=1
    rm $1
    if [ $i -lt 50 ]
    then
        UE_SYNC=0
        echo "Basic-Sim UE: oaitun_ue1 is DOWN and/or NOT CONFIGURED"
    else
        echo "Basic-Sim UE: oaitun_ue1 is UP and CONFIGURED"
    fi
    i="0"
    echo "egrep -c \"Generating RRCConnectionReconfigurationComplete\" /home/ubuntu/tmp/cmake_targets/log/$LOC_UE_LOG_FILE" > $1
    while [ $i -lt 10 ]
    do
        CONNECTED=`ssh -T -o StrictHostKeyChecking=no ubuntu@$2 < $1`
        if [ $CONNECTED -ne 0 ]
        then
            i="100"
        else
            sleep 5
            i=$[$i+1]
        fi
    done
    rm $1
    if [ $i -lt 50 ]
    then
        UE_SYNC=0
        echo "Basic-Sim UE: UE did NOT complete RRC Connection"
    else
        echo "Basic-Sim UE: UE did COMPLETE RRC Connection"
    fi
}

function get_ue_ip_addr {
    local LOC_IF_ID=$3
    echo "ifconfig oaitun_ue${LOC_IF_ID} | egrep \"inet addr\" | sed -e 's#^.*inet addr:##' -e 's#  P-t-P:.*\$##'" > $1
    UE_IP_ADDR=`ssh -T -o StrictHostKeyChecking=no ubuntu@$2 < $1`
    echo "Test UE${LOC_IF_ID} IP Address is : $UE_IP_ADDR"
    rm $1
}

function get_enb_noS1_ip_addr {
    echo "ifconfig oaitun_enb1 | egrep \"inet addr\" | sed -e 's#^.*inet addr:##' -e 's#  P-t-P:.*\$##'" > $1
    ENB_IP_ADDR=`ssh -T -o StrictHostKeyChecking=no ubuntu@$2 < $1`
    echo "Test eNB IP Address is : $ENB_IP_ADDR"
    rm $1
}

function ping_ue_ip_addr {
    local LOC_FG_OR_BG=$5
    echo "echo \"COMMAND IS: ping -c 20 $3\" > $4" > $1
    echo "echo \"ping -c 20 $3\"" >> $1
    if [ $LOC_FG_OR_BG -eq 0 ]
    then
        echo "ping -c 20 $UE_IP_ADDR >> $4 2>&1" >> $1
        echo "tail -3 $4" >> $1
    else
        echo "nohup ping -c 20 $UE_IP_ADDR >> $4 &" >> $1
    fi
    ssh -T -o StrictHostKeyChecking=no ubuntu@$2 < $1
    rm -f $1
}

function ping_epc_ip_addr {
    local LOC_IF_ID=$5
    local LOC_FG_OR_BG=$6
    echo "echo \"COMMAND IS: ping -I oaitun_ue${LOC_IF_ID} -c 20 $3\" > $4" > $1
    echo "echo \"ping -I oaitun_ue${LOC_IF_ID} -c 20 $3\"" >> $1
    if [ $LOC_FG_OR_BG -eq 0 ]
    then
        echo "ping -I oaitun_ue${LOC_IF_ID} -c 20 $3 >> $4 2>&1" >> $1
        echo "tail -3 $4" >> $1
    else
        echo "nohup ping -I oaitun_ue${LOC_IF_ID} -c 20 $3 >> $4 &" >> $1
    fi
    ssh -T -o StrictHostKeyChecking=no ubuntu@$2 < $1
    rm -f $1
}

function ping_enb_ip_addr {
    local LOC_FG_OR_BG=$5
    echo "echo \"COMMAND IS: ping -I oaitun_enb1 -c 20 $3\" > $4" > $1
    echo "echo \"ping -I oaitun_enb1 -c 20 $3\"" >> $1
    if [ $LOC_FG_OR_BG -eq 0 ]
    then
        echo "ping -I oaitun_enb1 -c 20 $3 >> $4 2>&1" >> $1
        echo "tail -3 $4" >> $1
    else
        echo "nohup ping -I oaitun_enb1 -c 20 $3 >> $4 &" >> $1
    fi
    ssh -T -o StrictHostKeyChecking=no ubuntu@$2 < $1
    rm -f $1
}

function check_ping_result {
    local LOC_PING_FILE=$1
    local LOC_NB_PINGS=$2
    if [ -f $LOC_PING_FILE ]
    then
        local FILE_COMPLETE=`egrep -c "ping statistics" $LOC_PING_FILE`
        if [ $FILE_COMPLETE -eq 0 ]
        then
            PING_STATUS=-1
            echo "ping file incomplete"
        else
            local ALL_PACKET_RECEIVED=`egrep -c "$LOC_NB_PINGS received" $LOC_PING_FILE`
            if [ $ALL_PACKET_RECEIVED -eq 1 ]
            then
                echo "got all ping packets"
            else
                LOC_NB_PINGS=$[$2-1]
                ALL_PACKET_RECEIVED=`egrep -c "$LOC_NB_PINGS received" $LOC_PING_FILE`
                if [ $ALL_PACKET_RECEIVED -eq 1 ]
                then
                    echo "got almost all ping packets"
                else
                    echo "got NOT all ping packets"
                    PING_STATUS=-1
                fi
            fi
        fi
    else
        echo "ping file not present"
        PING_STATUS=-1
    fi
}

# In DL: iperf server should be on UE side
#                     -B oaitun_ue{j}-IP-Addr
#        iperf client should be on EPC (S1) or eNB (noS1) side
#                     -c oaitun_ue{j}-IP-Addr -B oaitun_enb1-IP-Addr (in noS1)
# In UL: iperf server should be on EPC (S1) or eNB (noS1) side
#                     -B oaitun_enb1-IP-Addr
#        iperf client should be on UE side
#                     -c oaitun_enb1-IP-Addr -B oaitun_ue{j}-IP-Addr (in noS1)
function generic_iperf {
    local LOC_ISERVER_CMD=$1
    local LOC_ISERVER_IP=$2
    local LOC_ISERVER_BOND_IP=$3
    local LOC_ICLIENT_CMD=$4
    local LOC_ICLIENT_IP=$5
    local LOC_ICLIENT_BOND_IP=$6
    local LOC_REQ_BANDWIDTH=$7
    local LOC_BASE_LOG_FILE=$8
    local LOC_PORT_ID=$[$9+5001]
    local LOC_FG_OR_BG=${10}
    # Starting Iperf Server
    echo "iperf -B ${LOC_ISERVER_BOND_IP} -u -s -i 1 -fm -p ${LOC_PORT_ID}"
    echo "nohup iperf -B ${LOC_ISERVER_BOND_IP} -u -s -i 1 -fm -p ${LOC_PORT_ID} > ${LOC_BASE_LOG_FILE}_server.txt 2>&1 &" > ${LOC_ISERVER_CMD}
    ssh -T -o StrictHostKeyChecking=no ubuntu@${LOC_ISERVER_IP} < ${LOC_ISERVER_CMD}
    rm ${LOC_ISERVER_CMD}

    # Starting Iperf Client
    echo "iperf -c ${LOC_ISERVER_BOND_IP} -u -t 30 -b ${LOC_REQ_BANDWIDTH}M -i 1 -fm -B ${LOC_ICLIENT_BOND_IP} -p ${LOC_PORT_ID}"
    echo "echo \"COMMAND IS: iperf -c ${LOC_ISERVER_BOND_IP} -u -t 30 -b ${LOC_REQ_BANDWIDTH}M -i 1 -fm -B ${LOC_ICLIENT_BOND_IP} -p ${LOC_PORT_ID}\" > ${LOC_BASE_LOG_FILE}_client.txt" > ${LOC_ICLIENT_CMD}
    if [ $LOC_FG_OR_BG -eq 0 ]
    then
        echo "iperf -c ${LOC_ISERVER_BOND_IP} -u -t 30 -b ${LOC_REQ_BANDWIDTH}M -i 1 -fm -B ${LOC_ICLIENT_BOND_IP} -p ${LOC_PORT_ID} >> ${LOC_BASE_LOG_FILE}_client.txt 2>&1" >> ${LOC_ICLIENT_CMD}
        echo "tail -3 ${LOC_BASE_LOG_FILE}_client.txt | grep -v datagram" >> ${LOC_ICLIENT_CMD}
    else
        echo "nohup iperf -c ${LOC_ISERVER_BOND_IP} -u -t 30 -b ${LOC_REQ_BANDWIDTH}M -i 1 -fm -B ${LOC_ICLIENT_BOND_IP} -p ${LOC_PORT_ID} >> ${LOC_BASE_LOG_FILE}_client.txt 2>&1 &" >> ${LOC_ICLIENT_CMD}
    fi
    ssh -T -o StrictHostKeyChecking=no ubuntu@${LOC_ICLIENT_IP} < ${LOC_ICLIENT_CMD}
    rm -f ${LOC_ICLIENT_CMD}

    # Stopping Iperf Server
    if [ $LOC_FG_OR_BG -eq 0 ]
    then
        echo "killall --signal SIGKILL iperf"
        echo "killall --signal SIGKILL iperf" > ${LOC_ISERVER_CMD}
        ssh -T -o StrictHostKeyChecking=no ubuntu@${LOC_ISERVER_IP} < ${LOC_ISERVER_CMD}
        rm ${LOC_ISERVER_CMD}
    fi
}

function check_iperf {
    local LOC_BASE_LOG=$1
    local LOC_REQ_BW=$2
    local LOC_REQ_BW_MINUS_ONE=`echo "$LOC_REQ_BW - 1" | bc -l`
    local LOC_REQ_BW_MINUS_TWO=`echo "$LOC_REQ_BW - 2" | bc -l`
    local LOC_REQ_BW_MINUS_THREE=`echo "$LOC_REQ_BW - 3" | bc -l`
    local LOC_IS_DL=`echo $LOC_BASE_LOG | grep -c _dl`
    local LOC_IS_BASIC_SIM=`echo $LOC_BASE_LOG | grep -c basic_sim`
    if [ -f ${LOC_BASE_LOG}_client.txt ]
    then
        local FILE_COMPLETE=`egrep -c "Server Report" ${LOC_BASE_LOG}_client.txt`
        if [ $FILE_COMPLETE -eq 0 ]
        then
            IPERF_STATUS=-1
            echo "File Report not found"
        else
            local EFFECTIVE_BANDWIDTH=`tail -n3 ${LOC_BASE_LOG}_client.txt | egrep "Mbits/sec" | sed -e "s#^.*MBytes *##" -e "s#sec.*#sec#"`
            if [ $LOC_IS_DL -eq 1 ] && [ $LOC_IS_BASIC_SIM -eq 1 ]
            then
                if [[ $EFFECTIVE_BANDWIDTH =~ .*${LOC_REQ_BW}.*Mbits.* ]] || [[ $EFFECTIVE_BANDWIDTH =~ .*${LOC_REQ_BW_MINUS_ONE}.*Mbits.* ]] || [[ $EFFECTIVE_BANDWIDTH =~ .*${LOC_REQ_BW_MINUS_TWO}.*Mbits.* ]] || [[ $EFFECTIVE_BANDWIDTH =~ .*${LOC_REQ_BW_MINUS_THREE}.*Mbits.* ]]
                then
                    echo "got requested DL bandwidth: $EFFECTIVE_BANDWIDTH"
                else
                    echo "got LESS than requested DL bandwidth: $EFFECTIVE_BANDWIDTH"
                    IPERF_STATUS=-1
                fi
            else
                if [[ $EFFECTIVE_BANDWIDTH =~ .*${LOC_REQ_BW}.*Mbits.* ]] || [[ $EFFECTIVE_BANDWIDTH =~ .*${LOC_REQ_BW_MINUS_ONE}.*Mbits.* ]]
                then
                    if [ $LOC_IS_DL -eq 1 ]
                    then
                        echo "got requested DL bandwidth: $EFFECTIVE_BANDWIDTH"
                    else
                        echo "got requested UL bandwidth: $EFFECTIVE_BANDWIDTH"
                    fi
                else
                    echo "not basic-sim got LESS than requested DL bandwidth: $EFFECTIVE_BANDWIDTH"
                    IPERF_STATUS=-1
                fi
            fi
        fi
    else
        IPERF_STATUS=-1
        echo "File not found"
    fi
}

function terminate_enb_ue_basic_sim {
    # mode = 0 : eNB + UE
    # mode = 1 : eNB
    # mode = 2 : UE
    local LOC_MODE=$3
    echo "NB_OAI_PROCESSES=\`ps -aux | grep modem | grep -v grep | grep -c softmodem\`" > $1
    if [ $LOC_MODE -eq 0 ] || [ $LOC_MODE -eq 1 ]
    then
        echo "if [ \$NB_OAI_PROCESSES -ne 0 ]; then echo \"sudo daemon --name=enb_daemon --stop\"; fi" >> $1
        echo "if [ \$NB_OAI_PROCESSES -ne 0 ]; then sudo daemon --name=enb_daemon --stop; fi" >> $1
    fi
    if [ $LOC_MODE -eq 0 ] || [ $LOC_MODE -eq 2 ]
    then
        echo "if [ \$NB_OAI_PROCESSES -ne 0 ]; then echo \"sudo daemon --name=ue_daemon --stop\"; fi" >> $1
        echo "if [ \$NB_OAI_PROCESSES -ne 0 ]; then sudo daemon --name=ue_daemon --stop; fi" >> $1
    fi
    echo "if [ \$NB_OAI_PROCESSES -ne 0 ]; then sleep 5; fi" >> $1
    echo "echo \"ps -aux | grep softmodem\"" >> $1
    echo "ps -aux | grep softmodem | grep -v grep" >> $1
    echo "NB_OAI_PROCESSES=\`ps -aux | grep modem | grep -v grep | grep -c softmodem\`" >> $1
    if [ $LOC_MODE -eq 0 ] || [ $LOC_MODE -eq 1 ]
    then
        echo "if [ \$NB_OAI_PROCESSES -ne 0 ]; then echo \"sudo killall --signal SIGINT lte-softmodem\"; fi" >> $1
        echo "if [ \$NB_OAI_PROCESSES -ne 0 ]; then sudo killall --signal SIGINT lte-softmodem; fi" >> $1
        echo "if [ \$NB_OAI_PROCESSES -ne 0 ]; then sleep 5; fi" >> $1
        echo "echo \"ps -aux | grep softmodem\"" >> $1
        echo "ps -aux | grep softmodem | grep -v grep" >> $1
        echo "NB_OAI_PROCESSES=\`ps -aux | grep modem | grep -v grep | grep -c softmodem\`" >> $1
        echo "if [ \$NB_OAI_PROCESSES -ne 0 ]; then echo \"sudo killall --signal SIGKILL lte-softmodem\"; fi" >> $1
        echo "if [ \$NB_OAI_PROCESSES -ne 0 ]; then sudo killall --signal SIGKILL lte-softmodem; fi" >> $1
    fi
    if [ $LOC_MODE -eq 0 ] || [ $LOC_MODE -eq 2 ]
    then
        echo "if [ \$NB_OAI_PROCESSES -ne 0 ]; then echo \"sudo killall --signal SIGKILL lte-uesoftmodem\"; fi" >> $1
        echo "if [ \$NB_OAI_PROCESSES -ne 0 ]; then sudo killall --signal SIGKILL lte-uesoftmodem; fi" >> $1
        echo "if [ \$NB_OAI_PROCESSES -ne 0 ]; then sleep 5; fi" >> $1
    fi
    echo "echo \"ps -aux | grep softmodem\"" >> $1
    echo "ps -aux | grep softmodem | grep -v grep" >> $1
    ssh -T -o StrictHostKeyChecking=no ubuntu@$2 < $1
    rm -f $1
}

function recover_core_dump {
    local IS_SEG_FAULT=`egrep -ic "segmentation fault" $3`
    if [ $IS_SEG_FAULT -ne 0 ]
    then
        local TC=`echo $3 | sed -e "s#^.*enb_##" -e "s#Hz.*#Hz#"`
        echo "Segmentation fault detected on enb -> recovering core dump"
        echo "cd /home/ubuntu/tmp/cmake_targets/lte_build_oai/build/" > $1
        echo "sync" >> $1
        echo "sudo tar -cjhf basic-simulator-enb-core-${TC}.bz2 core lte-softmodem *.so ci-lte-basic-sim.conf my-lte-softmodem-run.sh" >> $1
        echo "sudo rm core" >> $1
        echo "rm ci-lte-basic-sim.conf" >> $1
        echo "sync" >> $1
        ssh -T -o StrictHostKeyChecking=no ubuntu@$2 < $1
        scp -o StrictHostKeyChecking=no ubuntu@$VM_IP_ADDR:/home/ubuntu/tmp/cmake_targets/lte_build_oai/build/basic-simulator-enb-core-${TC}.bz2 $4
        rm -f $1
    fi
}

function full_terminate {
    echo "############################################################"
    echo "Terminate enb/ue simulators"
    echo "############################################################"
    terminate_enb_ue_basic_sim $VM_CMDS $VM_IP_ADDR 0
    scp -o StrictHostKeyChecking=no ubuntu@$VM_IP_ADDR:/home/ubuntu/tmp/cmake_targets/log/$CURRENT_ENB_LOG_FILE $ARCHIVES_LOC
    scp -o StrictHostKeyChecking=no ubuntu@$VM_IP_ADDR:/home/ubuntu/tmp/cmake_targets/log/$CURRENT_UE_LOG_FILE $ARCHIVES_LOC
    recover_core_dump $VM_CMDS $VM_IP_ADDR $ARCHIVES_LOC/$CURRENT_ENB_LOG_FILE $ARCHIVES_LOC
    sleep 10
}

function full_basic_sim_destroy {
    if [ $KEEP_VM_ALIVE -eq 0 ]
    then
        echo "############################################################"
        echo "Destroying VMs"
        echo "############################################################"
        uvt-kvm destroy $VM_NAME
        ssh-keygen -R $VM_IP_ADDR
        if [ -e $JENKINS_WKSP/flexran/flexran_build_complete.txt ]
        then
            uvt-kvm destroy $FLEXRAN_CTL_VM_NAME
            ssh-keygen -R $FLEXRAN_CTL_VM_IP_ADDR
        fi
    fi
}

function install_epc_on_vm {
    local LOC_EPC_VM_NAME=$1
    local LOC_EPC_VM_CMDS=$2

    if [ -d /opt/ltebox-archives/ ]
    then
        # Checking if all ltebox archives are available to run ltebx epc on a brand new VM
        if [ -f /opt/ltebox-archives/ltebox_2.2.70_16_04_amd64.deb ] && [ -f /opt/ltebox-archives/etc-conf.zip ] && [ -f /opt/ltebox-archives/hss-sim-develop.zip ]
        then
            echo "############################################################"
            echo "Test EPC on VM ($EPC_VM_NAME) will be using ltebox"
            echo "############################################################"
            LTEBOX=1
        fi
    fi
    # Here we could have other types of EPC detection

    # Do we need to start the EPC VM
    echo "EPC_VM_CMD_FILE     = $LOC_EPC_VM_CMDS"
    IS_EPC_VM_ALIVE=`uvt-kvm list | grep -c $LOC_EPC_VM_NAME`
    if [ $IS_EPC_VM_ALIVE -eq 0 ]
    then
        echo "############################################################"
        echo "Creating test EPC VM ($LOC_EPC_VM_NAME) on Ubuntu Cloud Image base"
        echo "############################################################"
        acquire_vm_create_lock
        uvt-kvm create $LOC_EPC_VM_NAME release=$VM_OSREL --unsafe-caching
        echo "Waiting for VM to be started"
        uvt-kvm wait $LOC_EPC_VM_NAME --insecure
        release_vm_create_lock
    else
        echo "Waiting for VM to be started"
        uvt-kvm wait $LOC_EPC_VM_NAME --insecure
    fi

    local LOC_EPC_VM_IP_ADDR=`uvt-kvm ip $LOC_EPC_VM_NAME`

    echo "$LOC_EPC_VM_NAME has for IP addr = $LOC_EPC_VM_IP_ADDR"
    scp -o StrictHostKeyChecking=no /etc/apt/apt.conf.d/01proxy ubuntu@$LOC_EPC_VM_IP_ADDR:/home/ubuntu

    # ltebox specific actions (install and start)
    LTE_BOX_TO_INSTALL=1
    if [ $LTEBOX -eq 1 ]
    then
        echo "ls -ls /opt/ltebox/tools/start_ltebox" > $LOC_EPC_VM_CMDS
        RESPONSE=`ssh -T -o StrictHostKeyChecking=no ubuntu@$LOC_EPC_VM_IP_ADDR < $LOC_EPC_VM_CMDS`
        NB_EXES=`echo $RESPONSE | grep -c ltebox`
        if [ $NB_EXES -eq 1 ]; then LTE_BOX_TO_INSTALL=0; fi
    fi

    if [ $LTEBOX -eq 1 ] && [ $LTE_BOX_TO_INSTALL -eq 1 ]
    then
        echo "############################################################"
        echo "Copying ltebox archives into EPC VM ($LOC_EPC_VM_NAME)" 
        echo "############################################################"
        scp -o StrictHostKeyChecking=no /opt/ltebox-archives/ltebox_2.2.70_16_04_amd64.deb ubuntu@$LOC_EPC_VM_IP_ADDR:/home/ubuntu
        scp -o StrictHostKeyChecking=no /opt/ltebox-archives/etc-conf.zip ubuntu@$LOC_EPC_VM_IP_ADDR:/home/ubuntu
        scp -o StrictHostKeyChecking=no /opt/ltebox-archives/hss-sim-develop.zip ubuntu@$LOC_EPC_VM_IP_ADDR:/home/ubuntu

        echo "############################################################"
        echo "Install EPC on EPC VM ($LOC_EPC_VM_NAME)"
        echo "############################################################"
        echo "sudo cp 01proxy /etc/apt/apt.conf.d/" > $LOC_EPC_VM_CMDS
        echo "touch /home/ubuntu/.hushlogin" >> $LOC_EPC_VM_CMDS
        echo "echo \"sudo apt-get --yes --quiet install zip openjdk-8-jre libconfuse-dev libreadline-dev liblog4c-dev libgcrypt-dev libsctp-dev python2.7 python2.7-dev daemon iperf\"" >> $LOC_EPC_VM_CMDS
        echo "sudo apt-get update > zip-install.txt 2>&1" >> $LOC_EPC_VM_CMDS
        echo "sudo apt-get --yes install zip openjdk-8-jre libconfuse-dev libreadline-dev liblog4c-dev libgcrypt-dev libsctp-dev python2.7 python2.7-dev daemon iperf >> zip-install.txt 2>&1" >> $LOC_EPC_VM_CMDS

        # Installing HSS
        echo "echo \"cd /opt\"" >> $LOC_EPC_VM_CMDS
        echo "cd /opt" >> $LOC_EPC_VM_CMDS
        echo "echo \"sudo unzip -qq /home/ubuntu/hss-sim-develop.zip\"" >> $LOC_EPC_VM_CMDS
        echo "sudo unzip -qq /home/ubuntu/hss-sim-develop.zip" >> $LOC_EPC_VM_CMDS
        echo "echo \"cd /opt/hss_sim0609\"" >> $LOC_EPC_VM_CMDS
        echo "cd /opt/hss_sim0609" >> $LOC_EPC_VM_CMDS

        # Installing ltebox
        echo "echo \"cd /home/ubuntu\"" >> $LOC_EPC_VM_CMDS
        echo "cd /home/ubuntu" >> $LOC_EPC_VM_CMDS
        echo "echo \"sudo dpkg -i ltebox_2.2.70_16_04_amd64.deb \"" >> $LOC_EPC_VM_CMDS
        echo "sudo dpkg -i ltebox_2.2.70_16_04_amd64.deb >> zip-install.txt 2>&1" >> $LOC_EPC_VM_CMDS

        echo "echo \"cd /opt/ltebox/etc/\"" >> $LOC_EPC_VM_CMDS
        echo "cd /opt/ltebox/etc/" >> $LOC_EPC_VM_CMDS
        echo "echo \"sudo unzip -qq -o /home/ubuntu/etc-conf.zip\"" >> $LOC_EPC_VM_CMDS
        echo "sudo unzip -qq -o /home/ubuntu/etc-conf.zip" >> $LOC_EPC_VM_CMDS
        echo "sudo sed -i  -e 's#EPC_VM_IP_ADDRESS#$LOC_EPC_VM_IP_ADDR#' gw.conf" >> $LOC_EPC_VM_CMDS
        echo "sudo sed -i  -e 's#EPC_VM_IP_ADDRESS#$LOC_EPC_VM_IP_ADDR#' mme.conf" >> $LOC_EPC_VM_CMDS

        ssh -T -o StrictHostKeyChecking=no ubuntu@$LOC_EPC_VM_IP_ADDR < $LOC_EPC_VM_CMDS
        rm -f $LOC_EPC_VM_CMDS
    fi
}

function add_user_to_epc_lists {
    local LOC_EPC_VM_CMDS=$1
    local LOC_EPC_VM_IP_ADDR=$2
    local LOC_NB_USERS=$3
    if [ $LTEBOX -eq 1 ]
    then
        scp -o StrictHostKeyChecking=no $JENKINS_WKSP/ci-scripts/add_user_to_subscriber_list.awk ubuntu@$LOC_EPC_VM_IP_ADDR:/home/ubuntu/
        echo "cd /opt/hss_sim0609" > $LOC_EPC_VM_CMDS
        echo "if [ -e subscriber.data.orig ]; then sudo mv subscriber.data.orig subscriber.data; fi" >> $1
        echo "if [ -e profile.data.orig ]; then sudo mv profile.data.orig profile.data; fi" >> $1
        echo "sudo cp subscriber.data subscriber.data.orig" >> $LOC_EPC_VM_CMDS
        echo "sudo cp profile.data profile.data.orig" >> $LOC_EPC_VM_CMDS
        echo "sudo awk -v num_ues=$LOC_NB_USERS -f /home/ubuntu/add_user_to_subscriber_list.awk subscriber.data.orig > /tmp/subscriber.data" >> $LOC_EPC_VM_CMDS
        echo "sudo awk -v num_ues=$LOC_NB_USERS -f /home/ubuntu/add_user_to_subscriber_list.awk profile.data.orig > /tmp/profile.data" >> $LOC_EPC_VM_CMDS
        echo "sudo cp /tmp/subscriber.data subscriber.data" >> $LOC_EPC_VM_CMDS
        echo "sudo cp /tmp/profile.data profile.data" >> $LOC_EPC_VM_CMDS

        ssh -T -o StrictHostKeyChecking=no ubuntu@$LOC_EPC_VM_IP_ADDR < $LOC_EPC_VM_CMDS
        rm -f $LOC_EPC_VM_CMDS
    fi
}

function start_epc {
    local LOC_EPC_VM_NAME=$1
    local LOC_EPC_VM_CMDS=$2
    local LOC_EPC_VM_IP_ADDR=$3

    if [ $LTEBOX -eq 1 ]
    then
        echo "############################################################"
        echo "Start EPC on EPC VM ($LOC_EPC_VM_NAME)"
        echo "############################################################"
        echo "echo \"cd /opt/hss_sim0609\"" > $LOC_EPC_VM_CMDS
        echo "cd /opt/hss_sim0609" >> $LOC_EPC_VM_CMDS
        echo "echo \"sudo daemon --unsafe --name=simulated_hss --chdir=/opt/hss_sim0609 ./starthss_real\"" >> $LOC_EPC_VM_CMDS
        echo "sudo daemon --unsafe --name=simulated_hss --chdir=/opt/hss_sim0609 ./starthss_real" >> $LOC_EPC_VM_CMDS

        echo "echo \"cd /opt/ltebox/tools/\"" >> $LOC_EPC_VM_CMDS
        echo "cd /opt/ltebox/tools/" >> $LOC_EPC_VM_CMDS
        echo "echo \"sudo ./start_ltebox\"" >> $LOC_EPC_VM_CMDS
        echo "nohup sudo ./start_ltebox > /home/ubuntu/ltebox.txt" >> $LOC_EPC_VM_CMDS
        echo "touch /home/ubuntu/try.txt" >> $LOC_EPC_VM_CMDS
        echo "sudo rm -f /home/ubuntu/*.txt" >> $LOC_EPC_VM_CMDS

        ssh -T -o StrictHostKeyChecking=no ubuntu@$LOC_EPC_VM_IP_ADDR < $LOC_EPC_VM_CMDS
        rm -f $LOC_EPC_VM_CMDS

        i="0"
        echo "ifconfig tun5 | egrep -c \"inet addr\"" > $LOC_EPC_VM_CMDS
        while [ $i -lt 10 ]
        do
            sleep 2
            CONNECTED=`ssh -T -o StrictHostKeyChecking=no ubuntu@$LOC_EPC_VM_IP_ADDR < $LOC_EPC_VM_CMDS`
            if [ $CONNECTED -eq 1 ]
            then
                i="100"
            else
                i=$[$i+1]
            fi
        done
        rm $LOC_EPC_VM_CMDS
        if [ $i -lt 50 ]
        then
            echo "Problem w/ starting ltebox EPC"
            echo "TEST_KO" > $ARCHIVES_LOC/test_final_status.log
            exit -1
        fi
    fi

    # HERE ADD ANY INSTALL ACTIONS FOR ANOTHER EPC

}

function retrieve_real_epc_ip_addr {
    local LOC_EPC_VM_NAME=$1
    local LOC_EPC_VM_CMDS=$2
    local LOC_EPC_VM_IP_ADDR=$3

    if [[ "$EPC_IPADDR" == "" ]]
    then
        if [ $LTEBOX -eq 1 ]
        then
            # in our configuration file, we are using pool 5
            echo "ifconfig tun5 | egrep \"inet addr\" | sed -e 's#^.*inet addr:##' -e 's#  P-t-P:.*\$##'" > $LOC_EPC_VM_CMDS
            REAL_EPC_IP_ADDR=`ssh -T -o StrictHostKeyChecking=no ubuntu@$LOC_EPC_VM_IP_ADDR < $LOC_EPC_VM_CMDS`
            rm $LOC_EPC_VM_CMDS
        fi
    else
        REAL_EPC_IP_ADDR=$EPC_TUN_IPADDR
    fi
    echo "EPC IP Address     is : $REAL_EPC_IP_ADDR"
}

function terminate_epc {
    if [ $LTEBOX -eq 1 ]
    then
        echo "echo \"cd /opt/ltebox/tools\"" > $1
        echo "cd /opt/ltebox/tools" >> $1
        echo "echo \"sudo ./stop_ltebox\"" >> $1
        echo "sudo ./stop_ltebox" >> $1
        echo "echo \"sudo daemon --name=simulated_hss --stop\"" >> $1
        echo "sudo daemon --name=simulated_hss --stop" >> $1
        echo "echo \"sudo killall --signal SIGKILL hss_sim\"" >> $1
        echo "sudo killall --signal SIGKILL hss_sim" >> $1
        ssh -T -o StrictHostKeyChecking=no ubuntu@$2 < $1
        rm $1
    fi
}

function start_flexran_ctrl {
    echo "cd /home/ubuntu/tmp" > $1
    echo "if [ -f cmake_targets/log/flexran_ctl_run.log ]; then rm -f cmake_targets/log/flexran_ctl_run.log cmake_targets/log/flexran_ctl_query*.log; fi" >> $1
    echo "echo \" sudo build/rt_controller -c log_config/basic_log\"" >> $1
    echo "nohup sudo build/rt_controller -c log_config/basic_log > cmake_targets/log/flexran_ctl_run.log 2>&1 &" >> $1
    ssh -T -o StrictHostKeyChecking=no ubuntu@$2 < $1
    rm $1
    sleep 10
}

function stop_flexran_ctrl {
    echo "echo \"sudo killall --signal SIGKILL rt_controller\"" > $1
    echo "sudo killall --signal SIGKILL rt_controller" > $1
    ssh -T -o StrictHostKeyChecking=no ubuntu@$2 < $1
    rm $1
    sleep 2
}

function query_flexran_ctrl_status {
    local LOC_MESSAGE=$3
    echo "cd /home/ubuntu/tmp" > $1
    echo "echo \"------------------------------------------------------------\" > cmake_targets/log/flexran_ctl_query_${LOC_MESSAGE}.log" >> $1
    echo "echo \"LOG_NAME: $LOC_MESSAGE\" >> cmake_targets/log/flexran_ctl_query_${LOC_MESSAGE}.log" >> $1
    echo "echo \"------------------------------------------------------------\" >> cmake_targets/log/flexran_ctl_query_${LOC_MESSAGE}.log" >> $1
    echo "curl http://localhost:9999/stats | jq '.' | tee -a cmake_targets/log/flexran_ctl_query_${LOC_MESSAGE}.log" >> $1
    ssh -T -o StrictHostKeyChecking=no ubuntu@$2 < $1
    rm $1
}

function build_ue_on_separate_folder {
    echo "mkdir tmp-ue" > $1
    echo "cd tmp-ue" >> $1
    echo "echo \"unzip -qq -DD ../localZip.zip\"" >> $1
    echo "unzip -qq -DD ../localZip.zip" >> $1
    echo "echo \"source oaienv\"" >> $1
    echo "source oaienv" >> $1
    echo "cd cmake_targets/" >> $1
    echo "mkdir log" >> $1
    echo "chmod 777 log" >> $1
    echo "echo \"./build_oai --UE \"" >> $1
    echo "./build_oai --UE > log/ue-build.txt 2>&1" >> $1
    echo "cd tools" >> $1
    echo "sudo ifconfig lo: 127.0.0.2 netmask 255.0.0.0 up" >> $1
    echo "sudo chmod 666 /etc/iproute2/rt_tables" >> $1
    echo "source init_nas_s1 UE" >> $1
    echo "ifconfig" >> $1
    ssh -T -o StrictHostKeyChecking=no ubuntu@$2 < $1
    rm -f $1
}

function start_l2_sim_enb {
    local LOC_ENB_VM_IP_ADDR=$2
    local LOC_EPC_IP_ADDR=$3
    local LOC_UE_VM_IP_ADDR=$4
    local LOC_LOG_FILE=$5
    local LOC_NB_RBS=$6
    local LOC_CONF_FILE=$7
    # 1 is with S1 and 0 without S1 aka noS1
    local LOC_S1_CONFIGURATION=$8
    echo "cd /home/ubuntu/tmp" > $1
    echo "echo \"sudo apt-get --yes --quiet install daemon \"" >> $1
    echo "sudo apt-get --yes install daemon >> /home/ubuntu/tmp/cmake_targets/log/daemon-install.txt 2>&1" >> $1
    echo "echo \"source oaienv\"" >> $1
    echo "source oaienv" >> $1
    echo "cd ci-scripts/conf_files/" >> $1
    echo "cp $LOC_CONF_FILE ci-$LOC_CONF_FILE" >> $1
    echo "sed -i -e 's#N_RB_DL.*=.*;#N_RB_DL                                         = $LOC_NB_RBS;#' -e 's#CI_MME_IP_ADDR#$LOC_EPC_IP_ADDR#' -e 's#CI_ENB_IP_ADDR#$LOC_ENB_VM_IP_ADDR#' -e 's#CI_UE_IP_ADDR#$LOC_UE_VM_IP_ADDR#' ci-$LOC_CONF_FILE" >> $1
    echo "echo \"grep N_RB_DL ci-$LOC_CONF_FILE\"" >> $1
    echo "grep N_RB_DL ci-$LOC_CONF_FILE | sed -e 's#N_RB_DL.*=#N_RB_DL =#'" >> $1
    echo "echo \"cd /home/ubuntu/tmp/cmake_targets/lte_build_oai/build/\"" >> $1
    echo "sudo chmod 777 /home/ubuntu/tmp/cmake_targets/lte_build_oai/build/" >> $1
    echo "cd /home/ubuntu/tmp/cmake_targets/lte_build_oai/build/" >> $1
    if [ $LOC_S1_CONFIGURATION -eq 0 ]
    then
        echo "echo \"ulimit -c unlimited && ./lte-softmodem -O /home/ubuntu/tmp/ci-scripts/conf_files/ci-$LOC_CONF_FILE --log_config.global_log_options level,nocolor --noS1\" > ./my-lte-softmodem-run.sh " >> $1
    else
        echo "echo \"ulimit -c unlimited && ./lte-softmodem -O /home/ubuntu/tmp/ci-scripts/conf_files/ci-$LOC_CONF_FILE --log_config.global_log_options level,nocolor \" > ./my-lte-softmodem-run.sh " >> $1
    fi
    echo "chmod 775 ./my-lte-softmodem-run.sh" >> $1
    echo "cat ./my-lte-softmodem-run.sh" >> $1
    echo "if [ -e /home/ubuntu/tmp/cmake_targets/log/$LOC_LOG_FILE ]; then sudo sudo rm -f /home/ubuntu/tmp/cmake_targets/log/$LOC_LOG_FILE; fi" >> $1
    echo "sudo -E daemon --inherit --unsafe --name=enb_daemon --chdir=/home/ubuntu/tmp/cmake_targets/lte_build_oai/build/ -o /home/ubuntu/tmp/cmake_targets/log/$LOC_LOG_FILE ./my-lte-softmodem-run.sh" >> $1

    ssh -T -o StrictHostKeyChecking=no ubuntu@$LOC_ENB_VM_IP_ADDR < $1
    rm $1

    local i="0"
    echo "egrep -c \"Waiting for PHY_config_req\" /home/ubuntu/tmp/cmake_targets/log/$LOC_LOG_FILE" > $1
    while [ $i -lt 10 ]
    do
        sleep 5
        CONNECTED=`ssh -T -o StrictHostKeyChecking=no ubuntu@$LOC_ENB_VM_IP_ADDR < $1`
        if [ $CONNECTED -ne 0 ]
        then
            i="100"
        else
            i=$[$i+1]
        fi
    done
    rm $1
    ENB_SYNC=1
    if [ $i -lt 50 ]
    then
        ENB_SYNC=0
        echo "L2-SIM eNB is NOT sync'ed: process still alive?"
    else
        echo "L2-SIM eNB is sync'ed: waiting for UE(s) to connect"
    fi
    if [ $LOC_S1_CONFIGURATION -eq 0 ]
    then
        echo "ifconfig oaitun_enb1 | egrep -c \"inet addr\"" > $1
        # Checking oaitun_enb1 interface has now an IP address
        i="0"
        while [ $i -lt 10 ]
        do
            CONNECTED=`ssh -T -o StrictHostKeyChecking=no ubuntu@$LOC_ENB_VM_IP_ADDR < $1`
            if [ $CONNECTED -eq 1 ]
            then
                i="100"
            else
                i=$[$i+1]
                sleep 5
            fi
        done
        rm $1
        if [ $i -lt 50 ]
        then
            ENB_SYNC=0
            echo "L2-SIM eNB oaitun_enb1 is DOWN or NOT CONFIGURED"
        else
            echo "L2-SIM eNB oaitun_enb1 is UP and CONFIGURED"
        fi
    fi
    sleep 10
}

function add_ue_l2_sim_ue {
    local LOC_UE_VM_IP_ADDR=$2
    local LOC_NB_UES=$3
    echo "cd /home/ubuntu/tmp/" > $1
    echo "source oaienv" >> $1
    if [ $LOC_NB_UES -gt 1 ]
    then
        echo "echo \"cd openair3/NAS/TOOLS/\"" >> $1
        echo "cd openair3/NAS/TOOLS/" >> $1
        echo "echo \"awk -v num_ues=$LOC_NB_UES -f /home/ubuntu/tmp/ci-scripts/add_user_to_conf_file.awk ue_eurecom_test_sfr.conf > ue_eurecom_test_sfr_multi_ues.conf\"" >> $1
        echo "awk -v num_ues=$LOC_NB_UES -f /home/ubuntu/tmp/ci-scripts/add_user_to_conf_file.awk ue_eurecom_test_sfr.conf > ue_eurecom_test_sfr_multi_ues.conf" >> $1
    fi
    echo "echo \"cd /home/ubuntu/tmp/cmake_targets/lte_build_oai/build/\"" >> $1
    echo "cd /home/ubuntu/tmp/cmake_targets/lte_build_oai/build/" >> $1
    echo "sudo rm -f *.u*" >> $1
    if [ $LOC_NB_UES -eq 1 ]
    then
        echo "echo \"sudo ../../../targets/bin/conf2uedata -c ../../../openair3/NAS/TOOLS/ue_eurecom_test_sfr.conf -o .\"" >> $1
        echo "sudo ../../../targets/bin/conf2uedata -c ../../../openair3/NAS/TOOLS/ue_eurecom_test_sfr.conf -o . > /home/ubuntu/tmp/cmake_targets/log/ue_adapt.txt 2>&1" >> $1
    else
        echo "echo \"sudo ../../../targets/bin/conf2uedata -c ../../../openair3/NAS/TOOLS/ue_eurecom_test_sfr_multi_ues.conf -o .\"" >> $1
        echo "sudo ../../../targets/bin/conf2uedata -c ../../../openair3/NAS/TOOLS/ue_eurecom_test_sfr_multi_ues.conf -o . > /home/ubuntu/tmp/cmake_targets/log/ue_adapt.txt 2>&1" >> $1
    fi

    ssh -T -o StrictHostKeyChecking=no ubuntu@$LOC_UE_VM_IP_ADDR < $1
    rm $1
}

function start_l2_sim_ue {
    local LOC_UE_VM_IP_ADDR=$2
    local LOC_ENB_VM_IP_ADDR=$3
    local LOC_LOG_FILE=$4
    local LOC_CONF_FILE=$5
    local LOC_NB_UES=$6
    # 1 is with S1 and 0 without S1 aka noS1
    local LOC_S1_CONFIGURATION=$7
    echo "echo \"sudo apt-get --yes --quiet install daemon \"" > $1
    echo "sudo apt-get --yes install daemon >> /home/ubuntu/tmp/cmake_targets/log/daemon-install.txt 2>&1" >> $1
    echo "cd /home/ubuntu/tmp/ci-scripts/conf_files/" >> $1
    echo "cp $LOC_CONF_FILE ci-$LOC_CONF_FILE" >> $1
    echo "sed -i -e 's#CI_ENB_IP_ADDR#$LOC_ENB_VM_IP_ADDR#' -e 's#CI_UE_IP_ADDR#$LOC_UE_VM_IP_ADDR#' ci-$LOC_CONF_FILE" >> $1
    echo "echo \"cd /home/ubuntu/tmp/cmake_targets/lte_build_oai/build/\"" >> $1
    echo "sudo chmod 777 /home/ubuntu/tmp/cmake_targets/lte_build_oai/build/" >> $1
    echo "cd /home/ubuntu/tmp/cmake_targets/lte_build_oai/build/" >> $1
    if [ $LOC_S1_CONFIGURATION -eq 0 ]
    then
        echo "echo \"ulimit -c unlimited && ./lte-uesoftmodem -O /home/ubuntu/tmp/ci-scripts/conf_files/ci-$LOC_CONF_FILE --L2-emul 3 --num-ues $LOC_NB_UES --nums_ue_thread $LOC_NB_UES --nokrnmod 1 --log_config.global_log_options level,nocolor --noS1\" > ./my-lte-softmodem-run.sh " >> $1
    else
        echo "echo \"ulimit -c unlimited && ./lte-uesoftmodem -O /home/ubuntu/tmp/ci-scripts/conf_files/ci-$LOC_CONF_FILE --L2-emul 3 --num-ues $LOC_NB_UES --nums_ue_thread $LOC_NB_UES --nokrnmod 1 --log_config.global_log_options level,nocolor\" > ./my-lte-softmodem-run.sh " >> $1
    fi
    echo "chmod 775 ./my-lte-softmodem-run.sh" >> $1
    echo "cat ./my-lte-softmodem-run.sh" >> $1
    echo "if [ -e /home/ubuntu/tmp/cmake_targets/log/$LOC_LOG_FILE ]; then sudo sudo rm -f /home/ubuntu/tmp/cmake_targets/log/$LOC_LOG_FILE; fi" >> $1
    echo "sudo -E daemon --inherit --unsafe --name=ue_daemon --chdir=/home/ubuntu/tmp/cmake_targets/lte_build_oai/build/ -o /home/ubuntu/tmp/cmake_targets/log/$LOC_LOG_FILE ./my-lte-softmodem-run.sh" >> $1

    ssh -T -o StrictHostKeyChecking=no ubuntu@$LOC_UE_VM_IP_ADDR < $1
    rm $1

    local i="0"
    echo "egrep -c \"Received NFAPI_START_REQ\" /home/ubuntu/tmp/cmake_targets/log/$LOC_LOG_FILE" > $1
    while [ $i -lt 10 ]
    do
        sleep 5
        CONNECTED=`ssh -T -o StrictHostKeyChecking=no ubuntu@$LOC_UE_VM_IP_ADDR < $1`
        if [ $CONNECTED -eq 1 ]
        then
            i="100"
        else
            i=$[$i+1]
        fi
    done
    rm $1
    UE_SYNC=1
    if [ $i -lt 50 ]
    then
        UE_SYNC=0
        echo "L2-SIM UE is NOT sync'ed w/ eNB"
        return
    else
        echo "L2-SIM UE is sync'ed w/ eNB"
    fi
    local max_interfaces_to_check=1
    if [ $LOC_S1_CONFIGURATION -eq 0 ]; then max_interfaces_to_check=$LOC_NB_UES; fi
    local j="1"
    while [ $j -le $max_interfaces_to_check ]
    do
        echo "ifconfig oaitun_ue${j} | egrep -c \"inet addr\"" > $1
        # Checking oaitun_ue1 interface has now an IP address
        i="0"
        while [ $i -lt 10 ]
        do
            CONNECTED=`ssh -T -o StrictHostKeyChecking=no ubuntu@$LOC_UE_VM_IP_ADDR < $1`
            if [ $CONNECTED -eq 1 ]
            then
                i="100"
            else
                i=$[$i+1]
                sleep 5
            fi
        done
        rm $1
        if [ $i -lt 50 ]
        then
            UE_SYNC=0
            echo "L2-SIM UE oaitun_ue${j} is DOWN or NOT CONFIGURED"
        else
            echo "L2-SIM UE oaitun_ue${j} is UP and CONFIGURED"
        fi
        j=$[$j+1]
    done
    sleep 10
    # for debug
    if [ $LOC_S1_CONFIGURATION -eq 1 ]
    then
        echo "ifconfig" > $1
        ssh -T -o StrictHostKeyChecking=no ubuntu@$LOC_UE_VM_IP_ADDR < $1
        rm $1
    fi
}

function full_l2_sim_destroy {
    if [ $KEEP_VM_ALIVE -eq 0 ]
    then
        echo "############################################################"
        echo "Destroying VMs"
        echo "############################################################"
        uvt-kvm destroy $ENB_VM_NAME
        ssh-keygen -R $ENB_VM_IP_ADDR
        uvt-kvm destroy $UE_VM_NAME
        ssh-keygen -R $UE_VM_IP_ADDR
    fi
}

function start_rf_sim_enb {
    local LOC_ENB_VM_IP_ADDR=$2
    local LOC_EPC_IP_ADDR=$3
    local LOC_LOG_FILE=$4
    local LOC_NB_RBS=$5
    local LOC_CONF_FILE=$6
    # 1 is with S1 and 0 without S1 aka noS1
    local LOC_S1_CONFIGURATION=$7
    echo "cd /home/ubuntu/tmp" > $1
    echo "echo \"sudo apt-get --yes --quiet install daemon \"" >> $1
    echo "sudo apt-get --yes install daemon >> /home/ubuntu/tmp/cmake_targets/log/daemon-install.txt 2>&1" >> $1
    echo "echo \"export RFSIMULATOR=enb\"" >> $1
    echo "export RFSIMULATOR=enb" >> $1
    echo "echo \"source oaienv\"" >> $1
    echo "source oaienv" >> $1
    echo "cd ci-scripts/conf_files/" >> $1
    echo "cp $LOC_CONF_FILE ci-$LOC_CONF_FILE" >> $1
    echo "sed -i -e 's#N_RB_DL.*=.*;#N_RB_DL                                         = $LOC_NB_RBS;#' -e 's#CI_MME_IP_ADDR#$LOC_EPC_IP_ADDR#' -e 's#CI_ENB_IP_ADDR#$LOC_ENB_VM_IP_ADDR#' -e 's#CI_UE_IP_ADDR#$LOC_UE_VM_IP_ADDR#' ci-$LOC_CONF_FILE" >> $1
    echo "echo \"grep N_RB_DL ci-$LOC_CONF_FILE\"" >> $1
    echo "grep N_RB_DL ci-$LOC_CONF_FILE | sed -e 's#N_RB_DL.*=#N_RB_DL =#'" >> $1
    echo "echo \"cd /home/ubuntu/tmp/cmake_targets/lte_build_oai/build/\"" >> $1
    echo "sudo chmod 777 /home/ubuntu/tmp/cmake_targets/lte_build_oai/build/" >> $1
    echo "cd /home/ubuntu/tmp/cmake_targets/lte_build_oai/build/" >> $1
    if [ $LOC_S1_CONFIGURATION -eq 0 ]
    then
        echo "echo \"ulimit -c unlimited && ./lte-softmodem -O /home/ubuntu/tmp/ci-scripts/conf_files/ci-$LOC_CONF_FILE --rfsim --log_config.global_log_options level,nocolor --noS1\" > ./my-lte-softmodem-run.sh " >> $1
    else
        echo "echo \"ulimit -c unlimited && ./lte-softmodem -O /home/ubuntu/tmp/ci-scripts/conf_files/ci-$LOC_CONF_FILE --rfsim --log_config.global_log_options level,nocolor \" > ./my-lte-softmodem-run.sh " >> $1
    fi
    echo "chmod 775 ./my-lte-softmodem-run.sh" >> $1
    echo "cat ./my-lte-softmodem-run.sh" >> $1
    echo "if [ -e /home/ubuntu/tmp/cmake_targets/log/$LOC_LOG_FILE ]; then sudo sudo rm -f /home/ubuntu/tmp/cmake_targets/log/$LOC_LOG_FILE; fi" >> $1
    echo "sudo -E daemon --inherit --unsafe --name=enb_daemon --chdir=/home/ubuntu/tmp/cmake_targets/lte_build_oai/build/ -o /home/ubuntu/tmp/cmake_targets/log/$LOC_LOG_FILE ./my-lte-softmodem-run.sh" >> $1

    ssh -T -o StrictHostKeyChecking=no ubuntu@$LOC_ENB_VM_IP_ADDR < $1
    rm $1

    local i="0"
    echo "egrep -c \"got sync\" /home/ubuntu/tmp/cmake_targets/log/$LOC_LOG_FILE" > $1
    while [ $i -lt 10 ]
    do
        sleep 5
        CONNECTED=`ssh -T -o StrictHostKeyChecking=no ubuntu@$LOC_ENB_VM_IP_ADDR < $1`
        if [ $CONNECTED -ne 0 ]
        then
            i="100"
        else
            i=$[$i+1]
        fi
    done
    rm $1
    if [ $i -lt 50 ]
    then
        ENB_SYNC=0
        echo "RF-SIM eNB is NOT sync'ed: process still alive?"
    else
        ENB_SYNC=1
        echo "RF-SIM eNB is sync'ed: waiting for UE(s) to connect"
    fi
    if [ $LOC_S1_CONFIGURATION -eq 0 ]
    then
        echo "ifconfig oaitun_enb1 | egrep -c \"inet addr\"" > $1
        # Checking oaitun_enb1 interface has now an IP address
        i="0"
        while [ $i -lt 10 ]
        do
            CONNECTED=`ssh -T -o StrictHostKeyChecking=no ubuntu@$LOC_ENB_VM_IP_ADDR < $1`
            if [ $CONNECTED -eq 1 ]
            then
                i="100"
            else
                i=$[$i+1]
                sleep 5
            fi
        done
        rm $1
        if [ $i -lt 50 ]
        then
            ENB_SYNC=0
            echo "RF-SIM eNB oaitun_enb1 is DOWN or NOT CONFIGURED"
        else
            echo "RF-SIM eNB oaitun_enb1 is UP and CONFIGURED"
        fi
    fi
    sleep 10
}

function start_rf_sim_ue {