test/iscsi: Add iscsi_tgt with lvol backend test

Test using multiple iscsi target nodes with LUNs backed by
logical volume bdevs

Change-Id: If87ed19dbef84fdc79d5758e063fc11d047e790e
Signed-off-by: Karol Latecki <karol.latecki@intel.com>
Reviewed-on: https://review.gerrithub.io/378034
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-by: Maciej Szwed <maciej.szwed@intel.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>

test/iscsi_tgt/iscsi_tgt.sh

@@ -31,6 +31,7 @@ run_test ./test/iscsi_tgt/filesystem/filesystem.sh
 run_test ./test/iscsi_tgt/reset/reset.sh
 run_test ./test/iscsi_tgt/rpc_config/rpc_config.sh
 run_test ./test/iscsi_tgt/idle_migration/idle_migration.sh
+run_test ./test/iscsi_tgt/lvol/iscsi_lvol.sh
 if [ $RUN_NIGHTLY -eq 1 ]; then
 	run_test ./test/iscsi_tgt/ip_migration/ip_migration.sh
 fi

test/iscsi_tgt/lvol/iscsi.conf

@@ -0,0 +1,13 @@
+[Global]
+
+[iSCSI]
+  NodeBase "iqn.2016-06.io.spdk"
+  AuthFile /usr/local/etc/spdk/auth.conf
+  Timeout 30
+  DiscoveryAuthMethod Auto
+  MaxSessions 16
+  ImmediateData Yes
+  ErrorRecoveryLevel 0
+
+[Rpc]
+  Enable Yes

test/iscsi_tgt/lvol/iscsi_lvol.sh

@@ -0,0 +1,65 @@
+#!/usr/bin/env bash
+
+export TARGET_IP=127.0.0.1
+export INITIATOR_IP=127.0.0.1
+
+testdir=$(readlink -f $(dirname $0))
+rootdir=$(readlink -f $testdir/../../..)
+source $rootdir/scripts/autotest_common.sh
+source $rootdir/test/iscsi_tgt/common.sh
+
+timing_enter iscsi_lvol
+
+# iSCSI target configuration
+PORT=3260
+RPC_PORT=5260
+INITIATOR_TAG=2
+INITIATOR_NAME=ALL
+NETMASK=$INITIATOR_IP/32
+MALLOC_BDEV_SIZE=128
+MALLOC_BLOCK_SIZE=512
+
+rpc_py="python $rootdir/scripts/rpc.py"
+fio_py="python $rootdir/scripts/fio.py"
+
+timing_enter start_iscsi_tgt
+
+$ISCSI_APP -c $testdir/iscsi.conf -m $ISCSI_TEST_CORE_MASK &
+pid=$!
+echo "Process pid: $pid"
+
+trap "iscsicleanup; killprocess $pid; exit 1" SIGINT SIGTERM EXIT
+
+waitforlisten $pid ${RPC_PORT}
+echo "iscsi_tgt is listening. Running tests..."
+
+timing_exit start_iscsi_tgt
+
+$rpc_py add_portal_group 1 $TARGET_IP:$PORT
+for i in `seq 0 9`; do
+    INITIATOR_TAG=$((i+2))
+    $rpc_py add_initiator_group $INITIATOR_TAG $INITIATOR_NAME $NETMASK
+    bdev=$($rpc_py construct_malloc_bdev $MALLOC_BDEV_SIZE $MALLOC_BLOCK_SIZE)
+    ls_guid=$($rpc_py construct_lvol_store $bdev)
+    LUNs=""
+    for j in `seq 0 0`; do
+        lb_guid=$($rpc_py construct_lvol_bdev $ls_guid 10)
+        LUNs+="$lb_guid:$j "
+    done
+    sleep 0.1
+    $rpc_py construct_target_node Target$i Target${i}_alias "$LUNs" "1:$INITIATOR_TAG" 256 1 0 0 0
+done
+sleep 1
+
+iscsiadm -m discovery -t sendtargets -p $TARGET_IP:$PORT
+iscsiadm -m node --login -p $TARGET_IP:$PORT
+
+$fio_py 1048576 64 randwrite 10 verify
+
+rm -f ./local-job0-0-verify.state
+trap - SIGINT SIGTERM EXIT
+
+rm -f ./local-job*
+iscsicleanup
+killprocess $pid
+timing_exit iscsi_lvol