osmith has submitted this change. ( https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/40321?usp=email )

Change subject: epdg: initial testenv.cfg ......................................................................

epdg: initial testenv.cfg

With this config, all tests are passing.

Depends: osmo-ci Ia60d5c1f5ade31e37293b40340e789f04ea86287 Change-Id: Ide2873be7830cc43e7fa09f26b2d504d0563a3c2 --- M epdg/EPDG_Tests.cfg A epdg/osmo-epdg.config A epdg/testenv.cfg A epdg/testenv/run_osmo_epdg_with_dummy_ue.sh A epdg/testenv/run_qemu.sh A epdg/testenv/wait_until_osmo_epdg_is_ready.sh 6 files changed, 253 insertions(+), 0 deletions(-)

Approvals: fixeria: Looks good to me, approved pespin: Looks good to me, but someone else must approve Jenkins Builder: Verified

diff --git a/epdg/EPDG_Tests.cfg b/epdg/EPDG_Tests.cfg index c164293..00be40f 100644 --- a/epdg/EPDG_Tests.cfg +++ b/epdg/EPDG_Tests.cfg @@ -12,6 +12,18 @@

[MODULE_PARAMETERS] +EPDG_Tests.mp_gsup_local_ip := "172.18.3.103" +EPDG_Tests.mp_swx_local_ip := "172.18.3.103" +EPDG_Tests.mp_s6b_local_ip := "172.18.3.103" +EPDG_Tests.mp_s2b_local_ip := "172.18.3.103" +EPDG_Tests.mp_upf_gtpu_local_ip := "172.18.3.103" + +EPDG_Tests.mp_gsup_remote_ip := "172.18.3.20" +EPDG_Tests.mp_s6b_remote_ip := "172.18.3.20" +EPDG_Tests.mp_s2b_remote_ip := "172.18.3.20" + +# Match (diameter_watchdog_timer/1000)*diameter_watchdog_config["okay"] in osmo-epdg.config: +EPDG_Tests.mp_diam_watchdog_initial_wait_sec := 6;

[MAIN_CONTROLLER]

diff --git a/epdg/osmo-epdg.config b/epdg/osmo-epdg.config new file mode 100644 index 0000000..d8919eb --- /dev/null +++ b/epdg/osmo-epdg.config @@ -0,0 +1,87 @@ +[ + %% =========================================== + %% Application config + %% =========================================== + {osmo_epdg, + [% GSUP Server connection parameters + {gsup_local_ip, "172.18.3.20"}, + {gsup_local_port, 4222}, + % Diameter Connection parameters + {dia_swx_remote_ip, "172.18.3.103"}, + {dia_swx_remote_port, 3868}, + {dia_swx_proto, sctp}, + {dia_swx_connect_timer, 200}, + {dia_swx_watchdog_timer, 6000}, + {dia_swx_watchdog_config, + [{okay, 1}, + {suspect, 1}]}, + {dia_swx_vendor_id, 0}, + {dia_swx_origin_host, "epdg.localdomain"}, + {dia_swx_origin_realm, "localdomain"}, + {dia_swx_context_id, "epdg@localdomain"}, + % Diameter s6b Connection parameters + {dia_s6b_local_ip, "172.18.3.20"}, + {dia_s6b_local_port, 3869}, + {dia_s6b_proto, sctp}, + {dia_s6b_connect_timer, 200}, + {dia_s6b_watchdog_timer, 6000}, + {dia_s6b_watchdog_config, + [{okay, 1}, + {suspect, 1}]}, + {dia_s6b_vendor_id, 0}, + {dia_s6b_origin_host, "aaa.localdomain"}, + {dia_s6b_origin_realm, "localdomain"}, + {dia_s6b_context_id, "aaa@localdomain"}, + % GTPv2C Connection parameters + {gtpc_local_ip, "172.18.3.20"}, + {gtpc_local_port, 2123}, + {gtpc_remote_ip, "172.18.3.103"}, + {gtpc_remote_port, 2123} + ] + }, + %% =========================================== + %% gtp_u_kmod config + %% =========================================== + {gtp_u_kmod, [ + {sockets, [{gtp0, [%% ip: IP Address assigned at the tunnel: + {ip, {172,18,3,20}}, + %% Allow binding to an IP address that is nonlocal or does not (yet) exist (IP_FREEBIND): + freebind, + % Create gtp tundev with role SGSN: + {role, sgsn} + ] + }] + } + ]}, + %% =========================================== + %% gen_socket config + %% =========================================== + {gen_socket, [ + {libdir, "@GEN_SOCKET_LIBDIR@"} +]}, + %% =========================================== + %% Lager logging config + %% =========================================== + {lager, [ + {log_root, "/data/"}, + {colored, true}, + {handlers, + [{lager_console_backend, [{level, debug}]}, + {lager_file_backend, + [{file, "console.log"}, {level, debug}, {size, 104857600}, {date, "$D0"}, {count, 10}]}, + {lager_file_backend, + [{file, "error.log"}, {level, error}, {size, 104857600}, {date, "$D0"}, {count, 10}]}]}, + {crash_log, "crash.log"}, + {crash_log_msg_size, 65536}, + {crash_log_size, 104857600}, + {crash_log_date, "$D0"}, + {crash_log_count, 10}, + {error_logger_redirect, true} + ]}, + {kernel, [ + {logger, [{handler, debug, logger_std_h, % {handler, HandlerId, Module, + #{config => #{file => "/data/erlang.log"}} + }] + } + ]} +]. diff --git a/epdg/testenv.cfg b/epdg/testenv.cfg new file mode 100644 index 0000000..e8980bd --- /dev/null +++ b/epdg/testenv.cfg @@ -0,0 +1,12 @@ +[testsuite] +program=EPDG_Tests +config=EPDG_Tests.cfg + +[epdg] +qemu=required +program=testenv/run_qemu.sh +setup=testenv/wait_until_osmo_epdg_is_ready.sh +clean=EXTRA_IPS="172.18.3.103" add_remove_testenv0_bridge.sh +make=osmo-epdg +package=osmo-epdg +copy=osmo-epdg.config testenv diff --git a/epdg/testenv/run_osmo_epdg_with_dummy_ue.sh b/epdg/testenv/run_osmo_epdg_with_dummy_ue.sh new file mode 100755 index 0000000..93853b8 --- /dev/null +++ b/epdg/testenv/run_osmo_epdg_with_dummy_ue.sh @@ -0,0 +1,39 @@ +#!/bin/sh -ex +EPDG_TUN="gtp0" +UE_IFACE="ue" +UE_SUBNET="192.168.0.0/16" +UE_ADDR="192.168.0.2/16" + +ip link add "$UE_IFACE" type dummy +ip addr add "$UE_ADDR" dev "$UE_IFACE" +ip link set "$UE_IFACE" up +ip rule add from "$UE_SUBNET" table 45 + +ERL_FLAGS='-config osmo-epdg.config' osmo-epdg & + +set +x + +FOUND=0 +for i in $(seq 1 10); do + sleep 1 + if ip link ls dev "$EPDG_TUN" 2>&1 >/dev/null; then + FOUND=1 + break + fi +done + +if [ "$FOUND" = 0 ]; then + echo + echo "ERROR: run_osmo_epdg_with_dummy_ue.sh: osmo-epdg did not create $EPDG_TUN!" + echo + exit 1 +fi + +ip route add default dev $EPDG_TUN table 45 + +echo +# wait_until_osmo_epdg_is_ready.sh checks for this string +echo "run_osmo_epdg_with_dummy_ue.sh: osmo-epdg is ready" +echo + +wait diff --git a/epdg/testenv/run_qemu.sh b/epdg/testenv/run_qemu.sh new file mode 100755 index 0000000..024e423 --- /dev/null +++ b/epdg/testenv/run_qemu.sh @@ -0,0 +1,76 @@ +#!/bin/sh -ex +GEN_SOCKET_LIBDIR="" + +set_gen_socket_libdir() { + if [ -z "$OSMO_DEV_MAKE_DIR" ]; then + # With --binary-repo + GEN_SOCKET_LIBDIR=/usr/lib + else + # Without --binary-repo + GEN_SOCKET_LIBDIR="$OSMO_DEV_MAKE_DIR"/osmo-epdg/default/lib/gen_socket/priv/lib + fi +} + +adjust_osmo_epdg_config() { + sed -i "s~@GEN_SOCKET_LIBDIR@~$GEN_SOCKET_LIBDIR~" osmo-epdg.config +} + +build_initrd() { + qemu_initrd_init + + qemu_initrd_add_mod \ + dummy \ + gtp \ + sctp \ + tun + + qemu_initrd_add_bin \ + "$GEN_SOCKET_LIBDIR"/gen_socket.so \ + "$GEN_SOCKET_LIBDIR"/gen_socket_nif.so \ + /usr/bin/escript \ + /usr/lib/x86_64-linux-gnu/libm.so.6 \ + /usr/lib/x86_64-linux-gnu/libsctp.so.1 \ + /usr/lib/x86_64-linux-gnu/libstdc++.so.6 \ + /usr/lib/x86_64-linux-gnu/libtinfo.so.6 \ + /usr/lib/x86_64-linux-gnu/libz.so.1 + + qemu_initrd_add_file \ + "$(which osmo-epdg)" \ + /usr/bin/erl \ + /usr/lib/erlang \ + osmo-epdg.config \ + testenv/run_osmo_epdg_with_dummy_ue.sh + + # Enable dynamic_debug + qemu_initrd_add_cmd \ + "mount -t debugfs none /sys/kernel/debug || true" \ + "echo -n 'module gtp +p' > /sys/kernel/debug/dynamic_debug/control || true" + + qemu_initrd_add_cmd \ + "ip addr add 172.18.3.20/24 brd 172.18.3.255 dev eth0" \ + "ip route add default via 172.18.3.1 dev eth0" \ + "sysctl net.ipv4.ip_forward=1" \ + "sysctl net.ipv4.conf.all.rp_filter=0" \ + "sysctl net.ipv4.conf.default.rp_filter=0" \ + "testenv/run_osmo_epdg_with_dummy_ue.sh" + + qemu_initrd_finish +} + + +# FIXME: when using the debian kernel, osmo-epdg doesn't create the gtp device +# and then fails with: "terminating ss7_routes with reason shutdownterminating +# ss7_links with reason shutdownip: can't find device 'gtp0'" +if [ "$TESTENV_QEMU_KERNEL" = "debian" ]; then + set +x + echo + echo "ERROR: epdg currently only works with -C, --custom-kernel" + echo + exit 1 +fi + +set_gen_socket_libdir +adjust_osmo_epdg_config +. qemu_functions.sh +qemu_build_initrd_with_log_redirect +qemu_run diff --git a/epdg/testenv/wait_until_osmo_epdg_is_ready.sh b/epdg/testenv/wait_until_osmo_epdg_is_ready.sh new file mode 100755 index 0000000..96f02e3 --- /dev/null +++ b/epdg/testenv/wait_until_osmo_epdg_is_ready.sh @@ -0,0 +1,27 @@ +#!/bin/sh -e +LOGFILE="$(basename "$PWD").log" + +# Wait until osmo-epdg is ready and fail early if errors are logged during +# startup. Otherwise osmo-epdg may keep running and we get less obvious +# failures later. +epdg_wait() { + i=0 + for i in $(seq 1 150); do + sleep 0.1 + + if grep -q "[error]" "$LOGFILE"; then + # The log output is visible in stdout + exit 1 + fi + + if grep -q "run_osmo_epdg_with_dummy_ue.sh: osmo-epdg is ready" "$LOGFILE"; then + exit 0 + fi + done + + echo "ERROR: wait_until_osmo_epdg_is_ready.sh: osmo-epdg failed to start" + exit 1 +} + +qemu_wait.sh +epdg_wait