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331c435ce5
A stalled node probably continues to hold the cluster lock, so confirm elections work in this case. BUG: https://bugzilla.samba.org/show_bug.cgi?id=14958 Signed-off-by: Martin Schwenke <martin@meltin.net> Reviewed-by: Amitay Isaacs <amitay@gmail.com> Autobuild-User(master): Amitay Isaacs <amitay@samba.org> Autobuild-Date(master): Mon Feb 14 02:46:01 UTC 2022 on sn-devel-184
49 lines
1.1 KiB
Bash
Executable File
49 lines
1.1 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Verify that nothing bad occurs if a node stalls and the leader
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# broadcast timeout triggers
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. "${TEST_SCRIPTS_DIR}/integration.bash"
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set -e
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ctdb_test_init
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select_test_node
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echo
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echo 'Get "leader timeout":'
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conf_tool="${CTDB_SCRIPTS_HELPER_BINDIR}/ctdb-config"
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# shellcheck disable=SC2154
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# $test_node set by select_test_node() above
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try_command_on_node "$test_node" "${conf_tool} get cluster 'leader timeout'"
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# shellcheck disable=SC2154
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# $out set by ctdb_onnode() above
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leader_timeout="$out"
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echo "Leader timeout is ${leader_timeout} seconds"
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echo
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# Assume leader timeout is reasonable and doesn't cause node to be
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# disconnected
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stall_time=$((leader_timeout * 2))
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generation_get "$test_node"
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echo "Get ctdbd PID on node ${test_node}..."
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ctdb_onnode -v "$test_node" "getpid"
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ctdbd_pid="$out"
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echo
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echo "Sending SIGSTOP to ctdbd on ${test_node}"
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try_command_on_node "$test_node" "kill -STOP ${ctdbd_pid}"
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sleep_for "$stall_time"
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echo "Sending SIGCONT to ctdbd on ${test_node}"
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try_command_on_node "$test_node" "kill -CONT ${ctdbd_pid}"
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echo
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wait_until_generation_has_changed "$test_node"
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cluster_is_healthy
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