test: Add idle migration test for iscsi target.

	time ./test/iscsi_tgt/fio/fio.sh

	time ./test/iscsi_tgt/reset/reset.sh

	time ./test/iscsi_tgt/rpc_config/rpc_config.sh

	time ./test/iscsi_tgt/idle_migration/idle_migration.sh

	timing_exit iscsi_tgt

fi

#!/usr/bin/env bash

set -xe

rootdir=$(readlink -f $(dirname $0))/../../..

rpc_py=$rootdir/scripts/rpc.py

"$rpc_py" add_initiator_group 1 "ALL" "127.0.0.1/32"

"$rpc_py" add_portal_group 1 '127.0.0.1:3260'

for i in $(seq 0 15); do

    "$rpc_py" construct_malloc_lun 32 512

    "$rpc_py" construct_target_node "Target$i" "Target_alias$i" "Malloc$i:0" "1:1" 64 1 0 0 0

done

#!/usr/bin/env python

import json

import os

import sys

from time import sleep

from subprocess import check_output

rpc_py = os.path.dirname(os.path.realpath(__file__)) + '/../../../scripts/rpc.py'

class spdk_rpc(object):

    def __init__(self, rpc_py):

        self.rpc_py = rpc_py

    def __getattr__(self, name):

        def call(*args):

            cmd = "python {} {}".format(self.rpc_py, name)

            for arg in args:

                cmd += " {}".format(arg)

            return check_output(cmd, shell=True)

        return call

if __name__ == '__main__':

    if (len(sys.argv) < 2) or (sys.argv[1] != "idle" and sys.argv[1] != "active"):

        print "must specify \"idle\" or \"active\""

        sys.exit(1)

    rpc = spdk_rpc(rpc_py)

    idle = 0

    active = 0

    # capture connection state 10 times, 10 ms apart and keep a

    #  a running count of how many connections were found idle

    #  and active

    for i in range(10):

        conns = json.loads(rpc.get_iscsi_connections())

        num_conns = len(conns)

        for conn in conns:

            if conn['is_idle'] == 1:

                idle += 1

            else:

                active += 1

        # sleep 10ms

        sleep(0.01)

    active_pct = float(active) / (idle + active)

    # even when there is no active I/O on a connection, there could be

    #  a nopin/nopout being processed which causes a connection to

    #  temporarily go active;  also even when fio is actively running

    #  there could be a brief period of time where the initiator has

    #  no active I/O to some connection

    #

    # so do not enforce that *all* connections must be idle or active;

    #  allow for some percentage of anomalies

    anomaly_pct_allowed = 0.10

    print "active = {}".format(active)

    print "idle = {}".format(idle)

    print "active_pct = {}".format(active_pct)

    if sys.argv[1] == "idle" and active_pct > anomaly_pct_allowed:

        sys.exit(1)

    if sys.argv[1] == "active" and active_pct < (1.00 - anomaly_pct_allowed):

        sys.exit(1)

    sys.exit(0)

#!/usr/bin/env bash

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

rootdir=$testdir/../../..

source $rootdir/scripts/autotest_common.sh

if [ -z "$TARGET_IP" ]; then

	echo "TARGET_IP not defined in environment"

	exit 1

fi

if [ -z "$INITIATOR_IP" ]; then

	echo "INITIATOR_IP not defined in environment"

	exit 1

fi

timing_enter idle_migration

# iSCSI target configuration

PORT=3260

RPC_PORT=5260

fio_py="python $rootdir/scripts/fio.py"

./app/iscsi_tgt/iscsi_tgt -c $testdir/iscsi.conf &

pid=$!

echo "Process pid: $pid"

trap "process_core; killprocess $pid; exit 1" SIGINT SIGTERM EXIT

waitforlisten $pid ${RPC_PORT}

echo "iscsi_tgt is listening. Running tests..."

$testdir/build_configuration.sh

sleep 1

iscsiadm -m discovery -t sendtargets -p $TARGET_IP:$PORT

iscsiadm -m node --login -p $TARGET_IP:$PORT

trap "iscsicleanup; process_core; killprocess $pid; exit 1" SIGINT SIGTERM EXIT

sleep 5

# verify that ids has connections in idle state

python $testdir/connection_status.py idle

# start fio in background - while it is running, verify that connections are active

$fio_py 4096 16 randrw 15 &

fiopid=$!

sleep 5

python $testdir/connection_status.py active

kill $fiopid

wait $fiopid || true

sleep 1

# verify again that ids has connections in idle state

python $testdir/connection_status.py idle

trap - SIGINT SIGTERM EXIT

iscsicleanup

killprocess $pid

timing_exit idle_migration

[Global]

  ReactorMask 0xFFFF

  LogFacility "local7"

[iSCSI]

  NodeBase "iqn.2016-06.io.spdk"

  AuthFile /usr/local/etc/spdk/auth.conf

  Timeout 30

  DiscoveryAuthMethod Auto

  MaxSessions 64

  ImmediateData Yes

  ErrorRecoveryLevel 0

[Rpc]

  Enable Yes