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116 lines
2.4 KiB
Bash
Executable File
116 lines
2.4 KiB
Bash
Executable File
#!/bin/sh
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###########################################################################
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# NOTE: this script returns 0 (success) even in case of failure. This is
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# because this script is executed under mysql-test-run[.pl] and it's better to
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# examine particular problem in log file, than just having said that the test
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# case has failed.
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###########################################################################
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check_restart()
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{
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if [ ! -r "$pid_path" ]; then
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user_msg='the process was killed'
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return 1
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fi
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new_pid=`cat "$pid_path" 2>/dev/null`
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if [ $? -eq 0 -a "$original_pid" = "$new_pid" ]; then
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user_msg='the process was not restarted'
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return 1
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fi
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user_msg='the process was restarted'
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return 0
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}
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###########################################################################
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if [ $# -ne 3 ]; then
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echo "Usage: kill_n_check.sh <pid file path> killed|restarted <timeout>"
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exit 0
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fi
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pid_path="$1"
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expected_result="$2"
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total_timeout="$3"
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if [ "$expected_result" != 'killed' -a \
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"$expected_result" != 'restarted' ]; then
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echo "Error: invalid second argument ('killed' or 'restarted' expected)."
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exit 0
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fi
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if [ -z "$pid_path" ]; then
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echo "Error: invalid PID path ($pid_path)."
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exit 0
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fi
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if [ ! -r "$pid_path" ]; then
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echo "Error: PID file ($pid_path) does not exist."
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exit 0
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fi
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if [ -z "$total_timeout" ]; then
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echo "Error: timeout is not specified."
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exit 0
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fi
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###########################################################################
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original_pid=`cat "$pid_path"`
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echo "Killing the process..."
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kill -9 $original_pid
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###########################################################################
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echo "Sleeping..."
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if [ "$expected_result" = "restarted" ]; then
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# Wait for the process to restart.
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cur_attempt=1
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while true; do
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if check_restart; then
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echo "Success: $user_msg."
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exit 0
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fi
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[ $cur_attempt -ge $total_timeout ] && break
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sleep 1
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cur_attempt=`expr $cur_attempt + 1`
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done
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echo "Error: $user_msg."
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exit 0
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else # $expected_result == killed
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# Here we have to sleep for some long time to ensure that the process will
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# not be restarted.
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sleep $total_timeout
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new_pid=`cat "$pid_path" 2>/dev/null`
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if [ "$new_pid" -a "$new_pid" -ne "$original_pid" ]; then
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echo "Error: the process was restarted."
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else
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echo "Success: the process was killed."
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fi
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exit 0
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fi
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