2022-11-03 10:03:30

restore-mysql-daily

@@ -0,0 +1,58 @@
+#!/bin/bash
+ARCHPATH='/path/to/backup/daily/*'
+SKIPDBS=('mysql' 'tables' 'to' 'skip')
+FULLRESTORE=true
+SKIPDBS=('mysql')
+SETPOSDB=null
+#---
+
+START=$(date +%s)
+echo -e "\n--START: $(date +%F\ %T)\nrestoring most recent backups from $ARCHPATH\n\n"
+mysql -e "STOP SLAVE;"
+
+
+if [[ $FULLRESTORE == false ]]; then
+    OLDDATE=$(ls -1d $ARCHPATH | head -1)
+fi
+
+NEWDATE=$(ls -1rd $ARCHPATH | head -1)
+for FILE in $NEWDATE/backup_data/*.gz; do
+    FILE=$(basename $FILE)
+    if [[ "${SKIPDBS[*]}" =~ ${FILE%%.*} ]]; then echo "--$FILE";continue; fi;        
+    if [[ "${SETPOSDB}" =~ ${FILE%%.*} ]]; then SETPOSFILE=$FILE;continue; fi;
+    if [[ -z $OLDDATE ]]; then 
+        OLDSIZE=$(stat -c %s $OLDDATE/backup_data/$FILE)
+    else
+        OLDSIZE=0
+    fi
+
+    NEWSIZE=$(stat -c %s $NEWDATE/backup_data/$FILE)
+    
+    if [[ $OLDSIZE != $NEWSIZE ]]; then
+    	STARTLOOP=$(date +%s)
+    	echo $(date +%F\ %T)
+        echo "$FILE:"
+        DB=$(echo $FILE | cut -f1 -d'.')
+        echo -e "\tmysql -e 'DROP DATABASE IF EXISTS $DB'
+        mysql -e 'CREATE DATABASE $DB'
+        gunzip < $NEWDATE/backup_data/$FILE | mysql $DB"
+        mysql -e "DROP DATABASE IF EXISTS $DB"
+        mysql -e "CREATE DATABASE $DB"
+        gunzip < $NEWDATE/backup_data/$FILE | mysql $DB
+        ENDLOOP=$(date +%s)
+        EXCTIME=$(expr $ENDLOOP - $STARTLOOP)
+		printf '\t%02dh:%02dm:%02ds\n' $((EXCTIME/3600)) $((EXCTIME%3600/60)) $((EXCTIME%60))        
+    fi
+done
+
+if [[ -z $SETPOSFILE ]]; then
+    SETPOSSTMT =$(zcat $ARCHPATH$SETPOSFILE|head -40|rg MASTER|sed 's/-- //')
+    echo "\n$SETPOSSTMT\n"
+    mysql -e $SETPOS
+fi
+
+mysql -e "START SLAVE"
+END=$(date +%s)
+EXCTIME=$(expr $END - $START)
+printf 'total runtime: %02dh:%02dm:%02ds\n' $((EXCTIME/3600)) $((EXCTIME%3600/60)) $((EXCTIME%60)
+echo "--END: $(date +%F\ %T)\n\n"