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Spdk/test/nvmf/host/discovery.sh
paul luse eb53c23236 add (c) and SPDX header to bash files as needed 
per Intel policy to include file commit date using git cmd
below.  The policy does not apply to non-Intel (C) notices.

git log --follow -C90% --format=%ad --date default <file> | tail -1

and then pull just the year from the result.

Intel copyrights were not added to files where Intel either had
no contribution ot the contribution lacked substance (ie license
header updates, formatting changes, etc)

For intel copyrights added, --follow and -C95% were used.

Signed-off-by: paul luse <paul.e.luse@intel.com>
Change-Id: I2ef86976095b88a9bf5b1003e59f3943cd6bbe4c
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/15209
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Community-CI: Mellanox Build Bot
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Krzysztof Karas <krzysztof.karas@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
2022-11-29 08:27:51 +00:00

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#!/usr/bin/env bash
# SPDX-License-Identifier: BSD-3-Clause
# Copyright (C) 2021 Intel Corporation
# All rights reserved.
#
testdir=$(readlink -f $(dirname $0))
rootdir=$(readlink -f $testdir/../../..)
source $rootdir/test/common/autotest_common.sh
source $rootdir/test/nvmf/common.sh
if [ "$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
DISCOVERY_PORT=8009
DISCOVERY_NQN=nqn.2014-08.org.nvmexpress.discovery
# NQN prefix to use for subsystem NQNs
NQN=nqn.2016-06.io.spdk:cnode
HOST_NQN=nqn.2021-12.io.spdk:test
HOST_SOCK=/tmp/host.sock
nvmftestinit
# We will start the target as normal, emulating a storage cluster. We will simulate new paths
# to the cluster via multiple listeners with different TCP ports.
nvmfappstart -m 0x2
$rpc_py nvmf_create_transport $NVMF_TRANSPORT_OPTS -u 8192
$rpc_py nvmf_subsystem_add_listener $DISCOVERY_NQN -t $TEST_TRANSPORT -a $NVMF_FIRST_TARGET_IP \
-s $DISCOVERY_PORT
$rpc_py bdev_null_create null0 1000 512
$rpc_py bdev_null_create null1 1000 512
$rpc_py bdev_wait_for_examine
# Now start the host where the discovery service will run. For our tests, we will send RPCs to
# the "cluster" to create subsystems, add namespaces, add and remove listeners and add hosts,
# and then check if the discovery service has detected the changes and constructed the correct
# subsystem, ctrlr and bdev objects.
$SPDK_BIN_DIR/nvmf_tgt -m 0x1 -r $HOST_SOCK &
hostpid=$!
waitforlisten $hostpid $HOST_SOCK
trap 'process_shm --id $NVMF_APP_SHM_ID; kill $hostpid; nvmftestfini; exit 1' SIGINT SIGTERM EXIT
$rpc_py -s $HOST_SOCK log_set_flag bdev_nvme
$rpc_py -s $HOST_SOCK bdev_nvme_start_discovery -b nvme -t $TEST_TRANSPORT -a $NVMF_FIRST_TARGET_IP \
-s $DISCOVERY_PORT -f ipv4 -q $HOST_NQN
function get_bdev_list() {
$rpc_py -s $HOST_SOCK bdev_get_bdevs | jq -r '.[].name' | sort | xargs
}
function get_subsystem_names() {
$rpc_py -s $HOST_SOCK bdev_nvme_get_controllers | jq -r '.[].name' | sort | xargs
}
function get_subsystem_paths() {
$rpc_py -s $HOST_SOCK bdev_nvme_get_controllers -n $1 | jq -r '.[].ctrlrs[].trid.trsvcid' | sort -n | xargs
}
function get_discovery_ctrlrs() {
$rpc_py -s $HOST_SOCK bdev_nvme_get_discovery_info | jq -r '.[].name' | sort | xargs
}
# Note that tests need to call get_notification_count and then check $notification_count,
# because if we use $(get_notification_count), the notify_id gets updated in the subshell.
notify_id=0
function get_notification_count() {
notification_count=$($rpc_py -s $HOST_SOCK notify_get_notifications -i $notify_id | jq '. | length')
notify_id=$((notify_id + notification_count))
}
[[ "$(get_subsystem_names)" == "" ]]
[[ "$(get_bdev_list)" == "" ]]
$rpc_py nvmf_create_subsystem ${NQN}0
[[ "$(get_subsystem_names)" == "" ]]
[[ "$(get_bdev_list)" == "" ]]
$rpc_py nvmf_subsystem_add_ns ${NQN}0 null0
[[ "$(get_subsystem_names)" == "" ]]
[[ "$(get_bdev_list)" == "" ]]
# Add listener for the subsystem. But since the the subsystem was not created with -a option, the
# discovery host will not be able to see the subsystem until its hostnqn is added.
$rpc_py nvmf_subsystem_add_listener ${NQN}0 -t $TEST_TRANSPORT -a $NVMF_FIRST_TARGET_IP -s $NVMF_PORT
[[ "$(get_subsystem_names)" == "" ]]
[[ "$(get_bdev_list)" == "" ]]
get_notification_count
[[ $notification_count == 0 ]]
# Discovery hostnqn is added, so now the host should see the subsystem, with a single path for the
# port of the single listener on the target.
$rpc_py nvmf_subsystem_add_host ${NQN}0 $HOST_NQN
sleep 1 # Wait a bit to make sure the discovery service has a chance to detect the changes
[[ "$(get_subsystem_names)" == "nvme0" ]]
[[ "$(get_bdev_list)" == "nvme0n1" ]]
[[ "$(get_subsystem_paths nvme0)" == "$NVMF_PORT" ]]
get_notification_count
[[ $notification_count == 1 ]]
# Adding a namespace isn't a discovery function, but do it here anyways just to confirm we see a new bdev.
$rpc_py nvmf_subsystem_add_ns ${NQN}0 null1
sleep 1 # Wait a bit to make sure the discovery service has a chance to detect the changes
[[ "$(get_bdev_list)" == "nvme0n1 nvme0n2" ]]
get_notification_count
[[ $notification_count == 1 ]]
# Add a second path to the same subsystem. This shouldn't change the list of subsystems or bdevs, but
# we should see a second path on the nvme0 subsystem now.
$rpc_py nvmf_subsystem_add_listener ${NQN}0 -t $TEST_TRANSPORT -a $NVMF_FIRST_TARGET_IP -s $NVMF_SECOND_PORT
sleep 1 # Wait a bit to make sure the discovery service has a chance to detect the changes
[[ "$(get_subsystem_names)" == "nvme0" ]]
[[ "$(get_bdev_list)" == "nvme0n1 nvme0n2" ]]
[[ "$(get_subsystem_paths nvme0)" == "$NVMF_PORT $NVMF_SECOND_PORT" ]]
get_notification_count
[[ $notification_count == 0 ]]
# Remove the listener for the first port. The subsystem and bdevs should stay, but we should see
# the path to that first port disappear.
$rpc_py nvmf_subsystem_remove_listener ${NQN}0 -t $TEST_TRANSPORT -a $NVMF_FIRST_TARGET_IP -s $NVMF_PORT
sleep 1 # Wait a bit to make sure the discovery service has a chance to detect the changes
[[ "$(get_subsystem_names)" == "nvme0" ]]
[[ "$(get_bdev_list)" == "nvme0n1 nvme0n2" ]]
[[ "$(get_subsystem_paths nvme0)" == "$NVMF_SECOND_PORT" ]]
get_notification_count
[[ $notification_count == 0 ]]
$rpc_py -s $HOST_SOCK bdev_nvme_stop_discovery -b nvme
sleep 1 # Wait a bit to make sure the discovery service has a chance to detect the changes
[[ "$(get_subsystem_names)" == "" ]]
[[ "$(get_bdev_list)" == "" ]]
get_notification_count
[[ $notification_count == 2 ]]
# Make sure that it's not possible to start two discovery services with the same name
$rpc_py -s $HOST_SOCK bdev_nvme_start_discovery -b nvme -t $TEST_TRANSPORT \
-a $NVMF_FIRST_TARGET_IP -s $DISCOVERY_PORT -f ipv4 -q $HOST_NQN -w
NOT $rpc_py -s $HOST_SOCK bdev_nvme_start_discovery -b nvme -t $TEST_TRANSPORT \
-a $NVMF_FIRST_TARGET_IP -s $DISCOVERY_PORT -f ipv4 -q $HOST_NQN -w
[[ $(get_discovery_ctrlrs) == "nvme" ]]
[[ $(get_bdev_list) == "nvme0n1 nvme0n2" ]]
# Make sure that it's also impossible to start the discovery using the same trid
NOT $rpc_py -s $HOST_SOCK bdev_nvme_start_discovery -b nvme_second -t $TEST_TRANSPORT \
-a $NVMF_FIRST_TARGET_IP -s $DISCOVERY_PORT -f ipv4 -q $HOST_NQN -w
[[ $(get_discovery_ctrlrs) == "nvme" ]]
[[ $(get_bdev_list) == "nvme0n1 nvme0n2" ]]
# Try to connect to a non-existing discovery endpoint and verify that it'll timeout
NOT $rpc_py -s $HOST_SOCK bdev_nvme_start_discovery -b nvme_second -t $TEST_TRANSPORT \
-a $NVMF_FIRST_TARGET_IP -s $((DISCOVERY_PORT + 1)) -f ipv4 -q $HOST_NQN -T 3000
[[ $(get_discovery_ctrlrs) == "nvme" ]]
trap - SIGINT SIGTERM EXIT
kill $hostpid
nvmftestfini
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