ttcn3-epdg: Test GTP-U userplane
Set the assigned IP address for the UE in the EPDG docker container on the eth0 interface. This way the emulated UPF (ttcn3) can test decaps+encaps of osmo-epdg tun by pinging the UE IP address and expecting a pong back. Related: OS#6235 Change-Id: Icc5710b42e5a5374aade6b952e1c543565ffad2e
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@ -4,6 +4,14 @@ FROM $USER/$DISTRO-erlang
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# Arguments used after FROM must be specified again
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ARG DISTRO
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# $distro-erlang switched to user build, but we need to install more stuff beforehand:
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USER root
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RUN apt-get update && \
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apt-get install -y --no-install-recommends \
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iproute2 && \
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apt-get clean
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USER build
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WORKDIR /tmp
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ARG OSMO_EPDG_BRANCH="master"
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@ -0,0 +1,23 @@
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#!/bin/bash
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set +e
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set -x
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EPDG_TUN="gtp0"
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UE_IFACE="ue"
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UE_SUBNET="192.168.0.0/16"
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UE_ADDR="192.168.0.2/16"
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ip link add $UE_IFACE type dummy
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ip addr add $UE_ADDR dev $UE_IFACE
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ip link set $UE_IFACE up
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ip rule add from $UE_SUBNET table 45
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ERL_FLAGS='-config /data/osmo-epdg.config' /tmp/osmo-epdg/_build/default/bin/osmo-epdg &
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MYPID=$!
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# We cannot set a route for the interface until it is created by osmo-epdg...
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echo "Waiting for interface ${EPDG_TUN}..."
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/data/pipework --wait -i ${EPDG_TUN}
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echo "Adding src ${UE_SUBNET} default route to ${EPDG_TUN}"
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ip route add default dev $EPDG_TUN table 45
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wait $MYPID
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@ -15,6 +15,8 @@ write_mp_osmo_repo "$VOL_BASE_DIR/epdg-tester/EPDG_Tests.cfg"
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mkdir $VOL_BASE_DIR/epdg
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cp osmo-epdg.config $VOL_BASE_DIR/epdg/
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cp epdg.sh $VOL_BASE_DIR/epdg/
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cp ../common/pipework $VOL_BASE_DIR/epdg/
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network_create
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network_replace_subnet_in_configs
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@ -32,7 +34,10 @@ docker run --rm \
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-v $VOL_BASE_DIR/epdg:/data \
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--name ${BUILD_TAG}-epdg -d \
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$DOCKER_ARGS \
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$REPO_USER/osmo-epdg-$IMAGE_SUFFIX
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--sysctl net.ipv4.conf.all.rp_filter=0 \
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--sysctl net.ipv4.conf.default.rp_filter=0 \
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$REPO_USER/osmo-epdg-$IMAGE_SUFFIX \
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/bin/sh -c "/data/epdg.sh >/data/osmo-epdg.log 2>&1"
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# Give some time to osmo-epdg to be fully started; it's a bit slow...
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sleep 2
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