test/nvmf: add a test for attaching to controllers.

#!/usr/bin/env bash

testdir=$(readlink -f $(dirname $0))

rootdir=$(readlink -f $testdir/../../..)

source $rootdir/test/common/autotest_common.sh

source $rootdir/test/nvmf/common.sh

rpc_py="$rootdir/scripts/rpc.py"

MALLOC_BDEV_SIZE=64

MALLOC_BLOCK_SIZE=512

NVMF_SECOND_PORT="4421"

NVMF_HOST_FIRST_PORT="60000"

NVMF_HOST_SECOND_PORT="60001"

bdevperf_rpc_sock=/var/tmp/bdevperf.sock

if [ "$TEST_TRANSPORT" == "rdma" ]; then

	echo "Skipping tests on RDMA because the rdma stack fails to configure the same IP for host and target."

	exit 0

fi

nvmftestinit

nvmfappstart -m 0xF

$rpc_py nvmf_create_transport $NVMF_TRANSPORT_OPTS -u 8192

$rpc_py bdev_malloc_create $MALLOC_BDEV_SIZE $MALLOC_BLOCK_SIZE -b Malloc0

$rpc_py nvmf_create_subsystem nqn.2016-06.io.spdk:cnode1 -a -s SPDK00000000000001

$rpc_py nvmf_subsystem_add_ns nqn.2016-06.io.spdk:cnode1 Malloc0

$rpc_py nvmf_subsystem_add_listener nqn.2016-06.io.spdk:cnode1 -t $TEST_TRANSPORT -a $NVMF_FIRST_TARGET_IP -s $NVMF_PORT

$rpc_py nvmf_subsystem_add_listener nqn.2016-06.io.spdk:cnode1 -t $TEST_TRANSPORT -a $NVMF_FIRST_TARGET_IP -s $NVMF_SECOND_PORT

$rootdir/test/bdev/bdevperf/bdevperf -z -r $bdevperf_rpc_sock -q 128 -o 4096 -w verify -t 1 -f &> $testdir/try.txt &

bdevperf_pid=$!

trap 'process_shm --id $NVMF_APP_SHM_ID; rm -f $testdir/try.txt; killprocess $bdevperf_pid; nvmftestfini; exit 1' SIGINT SIGTERM EXIT

waitforlisten $bdevperf_pid $bdevperf_rpc_sock

# Create a controller from the first IP/Port combination.

$rpc_py -s $bdevperf_rpc_sock bdev_nvme_attach_controller -b NVMe0 -t $TEST_TRANSPORT -a $NVMF_FIRST_TARGET_IP \

	-s $NVMF_PORT -f ipv4 -n nqn.2016-06.io.spdk:cnode1 -i $NVMF_FIRST_TARGET_IP -c $NVMF_HOST_FIRST_PORT

# wait for the first controller to show up.

while ! $rpc_py -s $bdevperf_rpc_sock bdev_nvme_get_controllers | grep -c NVMe; do

	pass

done

# try to attach to the second port with a different hostsvcid (this should fail).

if $rpc_py -s $bdevperf_rpc_sock bdev_nvme_attach_controller -b NVMe0 -t $TEST_TRANSPORT -a $NVMF_FIRST_TARGET_IP \

	-s $NVMF_SECOND_PORT -f ipv4 -n nqn.2016-06.io.spdk:cnode1 -i $NVMF_FIRST_TARGET_IP -c $NVMF_HOST_SECOND_PORT; then

	echo "Successfully added second path when we should have failed."

	exit 1

fi

# Add a second path without specifying the host information. Should pass.

$rpc_py -s $bdevperf_rpc_sock bdev_nvme_attach_controller -b NVMe0 -t $TEST_TRANSPORT -a $NVMF_FIRST_TARGET_IP \

	-s $NVMF_SECOND_PORT -f ipv4 -n nqn.2016-06.io.spdk:cnode1

# Add a second controller by attaching to the same subsystem from a different hostid.

$rpc_py -s $bdevperf_rpc_sock bdev_nvme_attach_controller -b NVMe1 -t $TEST_TRANSPORT -a $NVMF_FIRST_TARGET_IP \

	-s $NVMF_SECOND_PORT -f ipv4 -n nqn.2016-06.io.spdk:cnode1 -i $NVMF_FIRST_TARGET_IP -c $NVMF_HOST_SECOND_PORT

if [ "$($rpc_py -s $bdevperf_rpc_sock bdev_nvme_get_controllers | grep -c NVMe)" != "2" ]; then

	echo "actual number of controllers is not equal to expected count."

	exit 1

fi

$rootdir/test/bdev/bdevperf/bdevperf.py -s $bdevperf_rpc_sock perform_tests

killprocess $bdevperf_pid

$rpc_py nvmf_delete_subsystem nqn.2016-06.io.spdk:cnode1

trap - SIGINT SIGTERM EXIT

rm -f $testdir/try.txt

nvmftestfini

run_test "nvmf_identify" test/nvmf/host/identify.sh "${TEST_ARGS[@]}"

run_test "nvmf_perf" test/nvmf/host/perf.sh "${TEST_ARGS[@]}"

run_test "nvmf_multipath" test/nvmf/host/multipath.sh "${TEST_ARGS[@]}"

run_test "nvmf_multicontroller" test/nvmf/host/multicontroller.sh "${TEST_ARGS[@]}"

# TODO: disabled due to intermittent failures (RDMA_CM_EVENT_UNREACHABLE/ETIMEDOUT)

#run_test test/nvmf/host/identify_kernel_nvmf.sh $TEST_ARGS