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cfb1ab5c2c
The original error reporting relied on $0 being accessible from the current working dir, which failed if a script changed the working dir and $0 was relative. This updates the error reporting command to cd back to the original dir before accessing $0. Change-Id: I2185af66e35e29b41dbe1bb08de24200bacea8a1 Reviewed-on: http://gerrit.cloudera.org:8080/1666 Reviewed-by: Casey Ching <casey@cloudera.com> Tested-by: Internal Jenkins
61 lines
1.4 KiB
Bash
Executable File
61 lines
1.4 KiB
Bash
Executable File
#!/bin/bash
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# Copyright (c) 2015 Cloudera, Inc. All rights reserved.
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set -euo pipefail
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trap 'echo Error in $0 at line $LINENO: $(cd "'$PWD'" && awk "NR == $LINENO" $0)' ERR
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CLASSES=()
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EXTRA_SHUTDOWN_TIME_SECS=1
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while getopts :c:s: OPTION; do
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case $OPTION in
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c) CLASSES+=($OPTARG);;
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s) EXTRA_SHUTDOWN_TIME_SECS=$OPTARG;;
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*) echo "Usage: $0 -c <java class name> [-c ...] " \
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"[-s <wait time after stopping all processes>]"
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exit 1;;
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esac
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done
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if [[ ${#CLASSES[@]} -eq 0 ]]; then
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echo At least one class must be given >&2
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exit 1
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fi
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function pid_is_running {
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kill -0 $1 &>/dev/null
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}
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# Waits for 3 seconds for a pid to stop. Returns success if the pid is stopped otherwise
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# returns failure.
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function wait_for_pid_to_stop {
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for I in {1..30}; do
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if ! pid_is_running $1; then
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return
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fi
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sleep 0.1
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done
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return 1
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}
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NEEDS_EXTRA_WAIT=false
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for CLASS in ${CLASSES[@]}; do
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PID=$(jps -m | (grep $CLASS || true) | awk '{print $1}')
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if [[ -z $PID ]]; then
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continue
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fi
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kill $PID || true # Don't error if the process somehow died on its own.
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NEEDS_EXTRA_WAIT=true
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if wait_for_pid_to_stop $PID; then
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continue
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fi
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kill -9 $PID || true
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if ! wait_for_pid_to_stop $PID; then
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echo Unable to stop process $PID running java class $CLASS >&2
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exit 1
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fi
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done
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if $NEEDS_EXTRA_WAIT; then
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sleep $EXTRA_SHUTDOWN_TIME_SECS
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fi
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