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53 lines
1.7 KiB
53 lines
1.7 KiB
#!/bin/bash
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DB_HOST=$(/sbin/e-smith/db configuration getprop samba-db-logd DbHost || echo localhost)
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RETENTION=$(/sbin/e-smith/db configuration getprop samba-db-logd Retention || echo 365)
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SQL_DB=$(/sbin/e-smith/db configuration getprop samba-db-logd DbName || echo 'samba_log')
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TABNAME="audit"
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SQLCMD="mysql ${SQL_DB} --batch";
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MONTH=$(date +%m)
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YEAR=$(date +%Y)
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# We rotate on the first day of a new month
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if [ "$MONTH" == "1" ]; then
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MONTH=12
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else
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MONTH=$(($MONTH-1))
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fi
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# Pad with 0
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MONTH=$(printf "%02d" $MONTH)
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DATE=$MONTH"_"$YEAR
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for T in ${TABNAME}; do
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# create table 0
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echo "CREATE TABLE IF NOT EXISTS ${T}_0 LIKE ${T};" | $SQLCMD;
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# Rotate table
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echo "FLUSH TABLES ${T}; RENAME TABLE ${T} TO ${T}_$DATE; RENAME TABLE ${T}_0 TO ${T}" | ${SQLCMD} >/dev/null 2>&1
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# Drop _0 table if we rotate more than two times a month
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if echo "DESCRIBE ${T}_0;" | ${SQLCMD} >/dev/null 2>&1; then
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echo "DROP TABLE ${T}_0;" | $SQLCMD
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fi
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#compress 2
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cd /var/lib/mysql/${SQL_DB}/
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echo "FLUSH TABLE ${T}_${DATE};" | $SQLCMD
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myisampack -s "${T}_${DATE}.MYI"
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myisamchk -s -rq --sort-index --analyze "${T}_${DATE}.MYI"
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echo "FLUSH TABLE ${T}_${DATE}" | $SQLCMD
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done
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# Now check existing table to drop olds ones
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for T in $(echo "show tables" | $SQLCMD | grep -v -P "^Tables_in_"$SQL_DB | grep -v -P "^audit$"); do
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TMONTH=$(echo $T | perl -pe 'm/^audit_(\d+)_(\d+)/; print $1;exit')
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TYEAR=$(echo $T | perl -pe 'm/^audit_(\d+)_(\d+)/; print $2;exit')
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# Drop table if older than configured retention
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if [ "$(($(date -d "01/$MONTH/$YEAR" +%s)-$(date -d "01/$TMONTH/$TYEAR" +%s)))" -gt "$((24*3600*$RETENTION))" ]; then
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echo "DROP TABLE $T;" | $SQLCMD
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fi
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done
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