204 lines
8.7 KiB
Bash
204 lines
8.7 KiB
Bash
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#!/usr/bin/env bash
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# SPDX-License-Identifier: BSD-3-Clause
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# Copyright (C) 2021 Intel Corporation
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# All rights reserved.
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# Copyright (c) 2022 Dell Inc, or its subsidiaries. All rights reserved.
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#
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testdir=$(readlink -f $(dirname $0))
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rootdir=$(readlink -f $testdir/../../..)
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source $rootdir/test/common/autotest_common.sh
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source $rootdir/test/nvmf/common.sh
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DISCOVERY_FILTER="address"
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DISCOVERY_PORT=8009
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DISCOVERY_NQN=nqn.2014-08.org.nvmexpress.discovery
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# NQN prefix to use for subsystem NQNs
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NQN=nqn.2016-06.io.spdk:cnode
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NQN2=nqn.2016-06.io.spdk:cnode2
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HOST_NQN=nqn.2021-12.io.spdk:test
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HOST_SOCK=/tmp/host.sock
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nvmftestinit
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# We will start the target as normal, emulating a storage cluster. We will simulate new paths
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# to the cluster via multiple listeners with different TCP ports.
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nvmfappstart -m 0x2 --wait-for-rpc
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$rpc_py nvmf_set_config --discovery-filter=$DISCOVERY_FILTER
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$rpc_py framework_start_init
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$rpc_py nvmf_create_transport $NVMF_TRANSPORT_OPTS -u 8192
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$rpc_py nvmf_subsystem_add_listener $DISCOVERY_NQN -t $TEST_TRANSPORT -a $NVMF_FIRST_TARGET_IP \
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-s $DISCOVERY_PORT
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$rpc_py bdev_null_create null0 1000 512
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$rpc_py bdev_null_create null1 1000 512
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$rpc_py bdev_null_create null2 1000 512
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$rpc_py bdev_null_create null3 1000 512
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$rpc_py bdev_wait_for_examine
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# Now start the host where the discovery service will run. For our tests, we will send RPCs to
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# the "cluster" to create subsystems, add namespaces, add and remove listeners and add hosts,
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# and then check if the discovery service has detected the changes and constructed the correct
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# subsystem, ctrlr and bdev objects.
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$SPDK_BIN_DIR/nvmf_tgt -m 0x1 -r $HOST_SOCK &
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hostpid=$!
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waitforlisten $hostpid $HOST_SOCK
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trap 'process_shm --id $NVMF_APP_SHM_ID;exit 1' SIGINT SIGTERM
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trap 'process_shm --id $NVMF_APP_SHM_ID;nvmftestfini;kill $hostpid;kill $avahi_clientpid;kill $avahipid;' EXIT
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# Make sure any existing avahi-daemon is killed before we start it with the specified
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# configuration file limiting it to the NVMF_TARGET_INTERFACE.
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avahi-daemon --kill || :
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"${NVMF_TARGET_NS_CMD[@]}" avahi-daemon -f <(echo -e "[server]\nallow-interfaces=$NVMF_TARGET_INTERFACE,$NVMF_TARGET_INTERFACE2\nuse-ipv4=yes\nuse-ipv6=no") &
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avahipid=$!
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sleep 1
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$rpc_py -s $HOST_SOCK log_set_flag bdev_nvme
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$rpc_py -s $HOST_SOCK bdev_nvme_start_mdns_discovery -b mdns -s _nvme-disc._tcp -q $HOST_NQN
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function get_bdev_list() {
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$rpc_py -s $HOST_SOCK bdev_get_bdevs | jq -r '.[].name' | sort | xargs
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}
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function get_subsystem_names() {
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$rpc_py -s $HOST_SOCK bdev_nvme_get_controllers | jq -r '.[].name' | sort | xargs
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}
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function get_subsystem_paths() {
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$rpc_py -s $HOST_SOCK bdev_nvme_get_controllers -n $1 | jq -r '.[].ctrlrs[].trid.trsvcid' | sort -n | xargs
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}
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function get_discovery_ctrlrs() {
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$rpc_py -s $HOST_SOCK bdev_nvme_get_discovery_info | jq -r '.[].name' | sort | xargs
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}
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function get_mdns_discovery_svcs() {
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$rpc_py -s $HOST_SOCK bdev_nvme_get_mdns_discovery_info | jq -r '.[].name' | sort | xargs
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}
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# Note that tests need to call get_notification_count and then check $notification_count,
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# because if we use $(get_notification_count), the notify_id gets updated in the subshell.
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notify_id=0
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function get_notification_count() {
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notification_count=$($rpc_py -s $HOST_SOCK notify_get_notifications -i $notify_id | jq '. | length')
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notify_id=$((notify_id + notification_count))
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}
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[[ "$(get_subsystem_names)" == "" ]]
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[[ "$(get_bdev_list)" == "" ]]
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$rpc_py nvmf_create_subsystem ${NQN}0
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[[ "$(get_subsystem_names)" == "" ]]
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[[ "$(get_bdev_list)" == "" ]]
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$rpc_py nvmf_subsystem_add_ns ${NQN}0 null0
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[[ "$(get_subsystem_names)" == "" ]]
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[[ "$(get_bdev_list)" == "" ]]
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# Add listener for the subsystem. But since the the subsystem was not created with -a option, the
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# discovery host will not be able to see the subsystem until its hostnqn is added.
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$rpc_py nvmf_subsystem_add_listener ${NQN}0 -t $TEST_TRANSPORT -a $NVMF_FIRST_TARGET_IP -s $NVMF_PORT
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# Discovery hostnqn is added, so now the host should see the subsystem, with a single path for the
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# port of the single listener on the target.
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$rpc_py nvmf_subsystem_add_host ${NQN}0 $HOST_NQN
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# Adding the second discovery controller and target
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$rpc_py nvmf_create_subsystem ${NQN2}0
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$rpc_py nvmf_subsystem_add_ns ${NQN2}0 null2
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# Discovery hostnqn is added, so now the host should see the subsystem, with a single path for the
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# port of the single listener on the target.
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$rpc_py nvmf_subsystem_add_host ${NQN2}0 $HOST_NQN
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$rpc_py nvmf_subsystem_add_listener $DISCOVERY_NQN -t $TEST_TRANSPORT -a $NVMF_SECOND_TARGET_IP \
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-s $DISCOVERY_PORT
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$rpc_py nvmf_subsystem_add_listener ${NQN2}0 -t $TEST_TRANSPORT -a $NVMF_SECOND_TARGET_IP -s $NVMF_PORT
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#Simulate discovery service publishing by the target
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"${NVMF_TARGET_NS_CMD[@]}" /usr/bin/avahi-publish --domain=local --service CDC _nvme-disc._tcp $DISCOVERY_PORT "NQN=$DISCOVERY_NQN" "p=tcp" &
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avahi_clientpid=$!
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sleep 5 # Wait a bit to make sure the discovery service has a chance to detect the changes
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[[ "$(get_mdns_discovery_svcs)" == "mdns" ]]
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[[ $(get_discovery_ctrlrs) == "mdns0_nvme mdns1_nvme" ]]
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[[ "$(get_subsystem_names)" == "mdns0_nvme0 mdns1_nvme0" ]]
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[[ "$(get_bdev_list)" == "mdns0_nvme0n1 mdns1_nvme0n1" ]]
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[[ "$(get_subsystem_paths mdns0_nvme0)" == "$NVMF_PORT" ]]
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[[ "$(get_subsystem_paths mdns1_nvme0)" == "$NVMF_PORT" ]]
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get_notification_count
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[[ $notification_count == 2 ]]
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# Adding a namespace isn't a discovery function, but do it here anyways just to confirm we see a new bdev.
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$rpc_py nvmf_subsystem_add_ns ${NQN}0 null1
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$rpc_py nvmf_subsystem_add_ns ${NQN2}0 null3
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sleep 1 # Wait a bit to make sure the discovery service has a chance to detect the changes
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[[ "$(get_bdev_list)" == "mdns0_nvme0n1 mdns0_nvme0n2 mdns1_nvme0n1 mdns1_nvme0n2" ]]
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get_notification_count
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[[ $notification_count == 2 ]]
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# Add a second path to the same subsystems. This shouldn't change the list of subsystems or bdevs, but
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# we should see a second path on the mdns0_nvme0 and mdns1_nvme0 subsystems now.
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$rpc_py nvmf_subsystem_add_listener ${NQN}0 -t $TEST_TRANSPORT -a $NVMF_FIRST_TARGET_IP -s $NVMF_SECOND_PORT
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$rpc_py nvmf_subsystem_add_listener ${NQN2}0 -t $TEST_TRANSPORT -a $NVMF_SECOND_TARGET_IP -s $NVMF_SECOND_PORT
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sleep 1 # Wait a bit to make sure the discovery service has a chance to detect the changes
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[[ "$(get_subsystem_names)" == "mdns0_nvme0 mdns1_nvme0" ]]
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[[ "$(get_bdev_list)" == "mdns0_nvme0n1 mdns0_nvme0n2 mdns1_nvme0n1 mdns1_nvme0n2" ]]
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[[ "$(get_subsystem_paths mdns0_nvme0)" == "$NVMF_PORT $NVMF_SECOND_PORT" ]]
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[[ "$(get_subsystem_paths mdns1_nvme0)" == "$NVMF_PORT $NVMF_SECOND_PORT" ]]
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get_notification_count
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[[ $notification_count == 0 ]]
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# Remove the listener for the first port. The subsystem and bdevs should stay, but we should see
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# the path to that first port disappear.
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$rpc_py nvmf_subsystem_remove_listener ${NQN}0 -t $TEST_TRANSPORT -a $NVMF_FIRST_TARGET_IP -s $NVMF_PORT
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$rpc_py nvmf_subsystem_remove_listener ${NQN2}0 -t $TEST_TRANSPORT -a $NVMF_SECOND_TARGET_IP -s $NVMF_PORT
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sleep 1 # Wait a bit to make sure the discovery service has a chance to detect the changes
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[[ "$(get_subsystem_names)" == "mdns0_nvme0 mdns1_nvme0" ]]
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[[ "$(get_bdev_list)" == "mdns0_nvme0n1 mdns0_nvme0n2 mdns1_nvme0n1 mdns1_nvme0n2" ]]
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[[ "$(get_subsystem_paths mdns0_nvme0)" == "$NVMF_SECOND_PORT" ]]
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[[ "$(get_subsystem_paths mdns1_nvme0)" == "$NVMF_SECOND_PORT" ]]
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get_notification_count
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[[ $notification_count == 0 ]]
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$rpc_py -s $HOST_SOCK bdev_nvme_stop_mdns_discovery -b mdns
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sleep 1 # Wait a bit to make sure the discovery service has a chance to detect the changes
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[[ "$(get_mdns_discovery_svcs)" == "" ]]
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[[ "$(get_subsystem_names)" == "" ]]
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[[ "$(get_bdev_list)" == "" ]]
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get_notification_count
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[[ $notification_count == 4 ]]
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# Make sure that it's impossible to start the discovery using the same bdev name
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$rpc_py -s $HOST_SOCK bdev_nvme_start_mdns_discovery -b mdns -s _nvme-disc._tcp -q $HOST_NQN
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NOT $rpc_py -s $HOST_SOCK bdev_nvme_start_mdns_discovery -b mdns -s _nvme-disc._http -q $HOST_NQN
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sleep 5
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[[ "$(get_mdns_discovery_svcs)" == "mdns" ]]
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[[ $(get_discovery_ctrlrs) == "mdns0_nvme mdns1_nvme" ]]
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[[ $(get_bdev_list) == "mdns0_nvme0n1 mdns0_nvme0n2 mdns1_nvme0n1 mdns1_nvme0n2" ]]
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# Make sure that it's also impossible to start the discovery using the same service name
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NOT $rpc_py -s $HOST_SOCK bdev_nvme_start_mdns_discovery -b cdc -s _nvme-disc._tcp -q $HOST_NQN
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[[ $(get_discovery_ctrlrs) == "mdns0_nvme mdns1_nvme" ]]
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[[ $(get_bdev_list) == "mdns0_nvme0n1 mdns0_nvme0n2 mdns1_nvme0n1 mdns1_nvme0n2" ]]
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$rpc_py -s $HOST_SOCK bdev_nvme_stop_mdns_discovery -b mdns
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trap - SIGINT SIGTERM EXIT
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kill $hostpid
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# Now wait for $hostpid to exit, otherwise if it's still running when we try to kill $avahipid, avahi
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# will auto-restart.
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wait $hostpid
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kill $avahi_clientpid
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kill $avahipid
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nvmftestfini
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