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Merge pull request #21 from waitspring/Kafka
Kafka
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| #!/bin/bash | ||
| # -*- coding: utf-8 -*- | ||
| # | ||
| # chkconfig: 35 98 98 | ||
| # | ||
| ####################################################################################################################### | ||
| # _ _ _ # | ||
| # | | | | | | # | ||
| # | | __, | | | | __, # | ||
| # |/_) / | |/ |/_) / | # | ||
| # | \_/\_/|_/|__/| \_/\_/|_/ # | ||
| # |\ # | ||
| # |/ # | ||
| ####################################################################################################################### | ||
| # | ||
| # Location: /etc/init.d/kafka | ||
| # Usage: | ||
| # $ chkconfig kafka on | ||
| # $ service kafka { start | stop | restart } | ||
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| source /etc/init.d/functions | ||
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| # ===================================================================================================================== | ||
| # Check prerequisite | ||
| # ===================================================================================================================== | ||
| if [[ ${#} != 1 ]]; then | ||
| action "check parameter" /bin/false | ||
| exit 1 | ||
| else | ||
| source ~/.bash_profile | ||
| cd $(dirname ${0}) | ||
| fi | ||
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| CONF=/etc/kafka/kraft/server.properties | ||
| EXEC=/usr/local/kafka/bin/kafka-server-start.sh | ||
| STOP=/usr/local/kafka/bin/kafka-server-stop.sh | ||
| USER=kafka | ||
| PORT=9092 | ||
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| if [[ ! -f ${CONF} ]]; then | ||
| action "check ${CONF}" /bin/false | ||
| exit 1 | ||
| fi | ||
| if [[ ! -f ${EXEC} ]] || [[ ! -x ${EXEC} ]]; then | ||
| action "check ${EXEC}" /bin/false | ||
| exit 1 | ||
| fi | ||
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| # ===================================================================================================================== | ||
| # Script main part | ||
| # ===================================================================================================================== | ||
| start() { | ||
| if [[ $(netstat -elnptu | grep ${PORT} | wc -l) == 0 ]]; then | ||
| daemon --user ${USER} ${EXEC} -daemon ${CONF} | ||
| RETVAL=${?} | ||
| if [[ ${RETVAL} == 0 ]]; then | ||
| action "starting up kafka ..." /bin/true | ||
| else | ||
| action "starting up kafka ..." /bin/false | ||
| fi | ||
| return ${RETVAL} | ||
| else | ||
| if [[ $(ps aux | grep ${CONF} | grep -v grep | wc -l) == 0 ]]; then | ||
| echo "kafka port ${PORT} has been token ..." | ||
| return 1 | ||
| else | ||
| action "starting up kafka ..." /bin/true | ||
| return 0 | ||
| fi | ||
| fi | ||
| } | ||
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| stop() { | ||
| if [[ $(netstat -elnptu | grep ${PORT} | wc -l) != 0 ]]; then | ||
| if [[ $(ps aux | grep ${CONF} | grep -v grep | wc -l) != 0 ]]; then | ||
| ${STOP} | ||
| RETVAL=${?} | ||
| if [[ ${RETVAL} == 0 ]]; then | ||
| action "shutting down kafka ..." /bin/true | ||
| else | ||
| action "shutting down kafka ..." /bin/false | ||
| fi | ||
| return ${RETVAL} | ||
| fi | ||
| fi | ||
| action "shutting down kafka ..." /bin/true | ||
| return 0 | ||
| } | ||
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| status() { | ||
| if [[ $(netstat -elnptu | grep ${PORT} | wc -l) != 0 ]]; then | ||
| if [[ $(ps aux | grep ${CONF} | grep -v grep | wc -l) != 0 ]]; then | ||
| PID=$(ps aux | grep ${CONF} | grep -v grep | gawk '{ print $2 }') | ||
| echo "kafka (pid ${PID}) is running ..." | ||
| return 0 | ||
| fi | ||
| fi | ||
| echo "kafka is not running ..." | ||
| return 0 | ||
| } | ||
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| # ===================================================================================================================== | ||
| # Script main part | ||
| # ===================================================================================================================== | ||
| case ${1} in | ||
| start ) | ||
| start | ||
| ;; | ||
| stop ) | ||
| stop | ||
| ;; | ||
| status ) | ||
| status | ||
| ;; | ||
| restart ) | ||
| stop | ||
| sleep 5 | ||
| start | ||
| ;; | ||
| * ) | ||
| echo $"Usage: ${0} { start | stop | status | restart }" | ||
| exit 2 | ||
| ;; | ||
| esac | ||
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| exit 0 |
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