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9e954bcbf4
nmap-ncat is used in some distributions to replace netcat. It has a different meaning for these options. We can get the same effect as the current combination of -d and -w by piping a sleep process to nc. Subsequent use of $! works because it gets the last process in pipeline. Note that redirecting from /dev/null doesn't work with some versions of nc. They just exit when they get EOF. Signed-off-by: Martin Schwenke <martin@meltin.net> Reviewed-by: Amitay Isaacs <amitay@gmail.com> Autobuild-User(master): Martin Schwenke <martins@samba.org> Autobuild-Date(master): Fri Mar 9 12:24:13 CET 2018 on sn-devel-144
99 lines
2.4 KiB
Bash
Executable File
99 lines
2.4 KiB
Bash
Executable File
#!/bin/bash
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test_info()
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{
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cat <<EOF
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Verify that the server end of an SMB connection is correctly reset
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Prerequisites:
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* An active CTDB cluster with at least 2 nodes with public addresses.
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* Test must be run on a real or virtual cluster rather than against
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local daemons.
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* Test must not be run from a cluster node.
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* Clustered Samba must be listening on TCP port 445.
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Expected results:
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* CTDB should correctly record the connection and the releasing node
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should reset the server end of the connection.
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EOF
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}
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. "${TEST_SCRIPTS_DIR}/integration.bash"
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set -e
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ctdb_test_init "$@"
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ctdb_test_check_real_cluster
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cluster_is_healthy
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# Reset configuration
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ctdb_restart_when_done
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# We need this for later, so we know how long to sleep.
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try_command_on_node 0 $CTDB getvar MonitorInterval
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monitor_interval="${out#*= }"
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select_test_node_and_ips
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test_port=445
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echo "Set NoIPTakeover=1 on all nodes"
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try_command_on_node all $CTDB setvar NoIPTakeover 1
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echo "Give the recovery daemon some time to reload tunables"
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sleep_for 5
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echo "Connecting to node ${test_node} on IP ${test_ip}:${test_port} with nc..."
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sleep $((monitor_interval * 4)) | nc $test_ip $test_port &
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nc_pid=$!
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ctdb_test_exit_hook_add "kill $nc_pid >/dev/null 2>&1"
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wait_until_get_src_socket "tcp" "${test_ip}:${test_port}" $nc_pid "nc"
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src_socket="$out"
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echo "Source socket is $src_socket"
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# This should happen as soon as connection is up... but unless we wait
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# we sometimes beat the registration.
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echo "Checking if CIFS connection is tracked by CTDB on test node..."
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wait_until 10 check_tickles $test_node $test_ip $test_port $src_socket
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echo "$out"
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if [ "${out/SRC: ${src_socket} /}" != "$out" ] ; then
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echo "GOOD: CIFS connection tracked OK by CTDB."
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else
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echo "BAD: Socket not tracked by CTDB."
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exit 1
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fi
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# It would be nice if ss consistently used local/peer instead of src/dst
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ss_filter="src ${test_ip}:${test_port} dst ${src_socket}"
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try_command_on_node $test_node \
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"ss -tn state established '${ss_filter}' | tail -n +2"
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if [ -z "$out" ] ; then
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echo "BAD: ss did not list the socket"
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exit 1
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fi
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echo "GOOD: ss lists the socket:"
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echo "$out"
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echo "Disabling node $test_node"
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try_command_on_node 1 $CTDB disable -n $test_node
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wait_until_node_has_status $test_node disabled
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try_command_on_node $test_node \
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"ss -tn state established '${ss_filter}' | tail -n +2"
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if [ -n "$out" ] ; then
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echo "BAD: ss listed the socket after failover"
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exit 1
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fi
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echo "GOOD: ss no longer lists the socket"
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