Write stats to tmp file before updating data file
This change updates the stats collection script so it writes to a temporary file before updating the main stats file to ensure that the update is an atomic operation. Change-Id: I68d4e3e723ed62fb5e90ba6bcf284c432ba9cd6b Closes-Bug: #1569143
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@ -43,11 +43,13 @@ fi
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if [ ! -d $LOG_DIR ]; then
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mkdir -p $LOG_DIR
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fi
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TMP_DATA_FILE=$(mktemp -p ${DATA_DIR})
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echo "#Vhost Name Messages_ready Messages_unacknowledged Messages Consumers Memory Time" > $DATA_FILE
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/usr/sbin/rabbitmqctl -q list_vhosts | \
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while read VHOST; do
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/usr/sbin/rabbitmqctl -q list_queues -p $VHOST name messages_ready messages_unacknowledged messages consumers memory | \
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awk "{print \"$VHOST \" \$0 \" $(date +'%s') \"}" >> $DATA_FILE 2>${LOG_DIR}/list_queues.log
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awk "{print \"$VHOST \" \$0 \" $(date +'%s') \"}" >> ${TMP_DATA_FILE} 2>${LOG_DIR}/list_queues.log
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done
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mv ${TMP_DATA_FILE} ${DATA_FILE}
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echo "mnesia_size: ${MNESIA_DB_SIZE}@$NOW" > $RABBIT_STATS_DATA_FILE
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echo "rss_size: ${RABBIT_RSS}@$NOW" >> $RABBIT_STATS_DATA_FILE
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