diff options
Diffstat (limited to 'src/spdk/test/iscsi_tgt/common.sh')
| -rw-r--r-- | src/spdk/test/iscsi_tgt/common.sh | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/src/spdk/test/iscsi_tgt/common.sh b/src/spdk/test/iscsi_tgt/common.sh new file mode 100644 index 000000000..d42a2a3a2 --- /dev/null +++ b/src/spdk/test/iscsi_tgt/common.sh @@ -0,0 +1,209 @@ +# Network configuration +TARGET_INTERFACE="spdk_tgt_int" +INITIATOR_INTERFACE="spdk_init_int" +TARGET_NAMESPACE="spdk_iscsi_ns" +TARGET_NS_CMD=(ip netns exec "$TARGET_NAMESPACE") + +# iSCSI target configuration +TARGET_IP=10.0.0.1 +INITIATOR_IP=10.0.0.2 +ISCSI_PORT=3260 +NETMASK=$INITIATOR_IP/32 +INITIATOR_TAG=2 +INITIATOR_NAME=ANY +PORTAL_TAG=1 +ISCSI_APP=("${TARGET_NS_CMD[@]}" "${ISCSI_APP[@]}") +if [ $SPDK_TEST_VPP -eq 1 ]; then + ISCSI_APP+=(-L sock_vpp) +fi +ISCSI_TEST_CORE_MASK=0xFF + +function create_veth_interfaces() { + # $1 = test type (posix/vpp) + ip netns del $TARGET_NAMESPACE || true + ip link delete $INITIATOR_INTERFACE || true + + trap 'cleanup_veth_interfaces $1; exit 1' SIGINT SIGTERM EXIT + + # Create veth (Virtual ethernet) interface pair + ip link add $INITIATOR_INTERFACE type veth peer name $TARGET_INTERFACE + ip addr add $INITIATOR_IP/24 dev $INITIATOR_INTERFACE + ip link set $INITIATOR_INTERFACE up + + # Create and add interface for target to network namespace + ip netns add $TARGET_NAMESPACE + ip link set $TARGET_INTERFACE netns $TARGET_NAMESPACE + + # Accept connections from veth interface + iptables -I INPUT 1 -i $INITIATOR_INTERFACE -p tcp --dport $ISCSI_PORT -j ACCEPT + + "${TARGET_NS_CMD[@]}" ip link set $TARGET_INTERFACE up + + if [ "$1" == "posix" ]; then + "${TARGET_NS_CMD[@]}" ip link set lo up + "${TARGET_NS_CMD[@]}" ip addr add $TARGET_IP/24 dev $TARGET_INTERFACE + + # Verify connectivity + ping -c 1 $TARGET_IP + ip netns exec $TARGET_NAMESPACE ping -c 1 $INITIATOR_IP + else + start_vpp + fi +} + +function cleanup_veth_interfaces() { + # $1 = test type (posix/vpp) + if [ "$1" == "vpp" ]; then + kill_vpp + fi + + # Cleanup veth interfaces and network namespace + # Note: removing one veth, removes the pair + ip link delete $INITIATOR_INTERFACE + ip netns del $TARGET_NAMESPACE +} + +function iscsitestinit() { + if [ "$1" == "iso" ]; then + $rootdir/scripts/setup.sh + if [ -n "$2" ]; then + create_veth_interfaces $2 + else + # default to posix + create_veth_interfaces "posix" + fi + fi +} + +function waitforiscsidevices() { + local num=$1 + + for ((i = 1; i <= 20; i++)); do + n=$(iscsiadm -m session -P 3 | grep -c "Attached scsi disk sd[a-z]*" || true) + if [ $n -ne $num ]; then + sleep 0.1 + else + return 0 + fi + done + + return 1 +} + +function iscsitestfini() { + if [ "$1" == "iso" ]; then + if [ -n "$2" ]; then + cleanup_veth_interfaces $2 + else + # default to posix + cleanup_veth_interfaces "posix" + fi + $rootdir/scripts/setup.sh reset + fi +} + +function start_vpp() { + # We need to make sure that posix side doesn't send jumbo packets while + # for VPP side maximal size of MTU for TCP is 1460 and tests doesn't work + # stable with larger packets + MTU=1460 + MTU_W_HEADER=$((MTU + 20)) + ip link set dev $INITIATOR_INTERFACE mtu $MTU + ethtool -K $INITIATOR_INTERFACE tso off + ethtool -k $INITIATOR_INTERFACE + + # Start VPP process in SPDK target network namespace + "${TARGET_NS_CMD[@]}" vpp \ + unix { nodaemon cli-listen /run/vpp/cli.sock } \ + dpdk { no-pci } \ + session { evt_qs_memfd_seg } \ + socksvr { socket-name /run/vpp-api.sock } \ + plugins { \ + plugin default { disable } \ + plugin dpdk_plugin.so { enable } \ + } & + + vpp_pid=$! + echo "VPP Process pid: $vpp_pid" + + gdb_attach $vpp_pid & + + # Wait until VPP starts responding + xtrace_disable + counter=40 + while [ $counter -gt 0 ]; do + vppctl show version | grep -E "vpp v[0-9]+\.[0-9]+" && break + counter=$((counter - 1)) + sleep 0.5 + done + xtrace_restore + if [ $counter -eq 0 ]; then + return 1 + fi + + # Below VPP commands are masked with "|| true" for the sake of + # running the test in the CI system. For reasons unknown when + # run via CI these commands result in 141 return code (pipefail) + # even despite producing valid output. + # Using "|| true" does not impact the "-e" flag used in test scripts + # because vppctl cli commands always return with 0, even if + # there was an error. + # As a result - grep checks on command outputs must be used to + # verify vpp configuration and connectivity. + + # Setup host interface + vppctl create host-interface name $TARGET_INTERFACE || true + VPP_TGT_INT="host-$TARGET_INTERFACE" + vppctl set interface state $VPP_TGT_INT up || true + vppctl set interface ip address $VPP_TGT_INT $TARGET_IP/24 || true + vppctl set interface mtu $MTU $VPP_TGT_INT || true + + vppctl show interface | tr -s " " | grep -E "host-$TARGET_INTERFACE [0-9]+ up $MTU/0/0/0" + + # Disable session layer + # NOTE: VPP net framework should enable it itself. + vppctl session disable || true + + # Verify connectivity + vppctl show int addr | grep -E "$TARGET_IP/24" + ip addr show $INITIATOR_INTERFACE + ip netns exec $TARGET_NAMESPACE ip addr show $TARGET_INTERFACE + sleep 3 + # SC1010: ping -M do - in this case do is an option not bash special word + # shellcheck disable=SC1010 + ping -c 1 $TARGET_IP -s $((MTU - 28)) -M do + vppctl ping $INITIATOR_IP repeat 1 size $((MTU - (28 + 8))) verbose | grep -E "$MTU_W_HEADER bytes from $INITIATOR_IP" +} + +function kill_vpp() { + vppctl delete host-interface name $TARGET_INTERFACE || true + + # Dump VPP configuration before kill + vppctl show api clients || true + vppctl show session || true + vppctl show errors || true + + killprocess $vpp_pid +} +function initiator_json_config() { + # Prepare config file for iSCSI initiator + jq . <<- JSON + { + "subsystems": [ + { + "subsystem": "bdev", + "config": [ + { + "method": "bdev_iscsi_create", + "params": { + "name": "iSCSI0", + "url": "iscsi://$TARGET_IP/iqn.2016-06.io.spdk:disk1/0", + "initiator_iqn": "iqn.2016-06.io.spdk:disk1/0" + } + }${*:+,$*} + ] + } + ] + } + JSON +} |