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2022-11-04 13:53:47

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george
2022-11-04 13:53:47 -04:00
parent 04da905365
commit ebad4e905e
1 changed files with 30 additions and 11 deletions
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41
restore-mysql-daily
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@@ -15,7 +15,6 @@ while [[ $# -gt 0 ]]; do
-d|--dry-run)
DRY_RUN=true
CMD=echo
$PIPE
shift 1
;;
-a|--arch)
@@ -42,11 +41,29 @@ while [[ $# -gt 0 ]]; do
CFG=$2
shift 2
;;
-n|--noprompt )
-n|--noprompt)
NOPROMPT=true
shift 1
;;
*) echo 'error in command line parsing' >&2
-h|--help)
echo -e "\n\n\t______________________________ MySQL restoration script options ____________________________________\n"
echo -e "\t | arg | | type | default |\n"
echo -e "\t‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾"
echo -e "\t-h| --help display this menu [ flag ]"
echo -e "\t-d| --dry-run no permanent changes, show plan [ flag ]"
echo -e "\t-a| --arch directory containing archive directories [ string ]"
echo -e "\t-s| --subdir directory containing actual compressed sql files [ string ]"
echo -e "\t-k| --skip databases to not restore (e.g. mysql would replace users) [ array ] mysql"
echo -e "\t-f| --full restore all tables not excluded (no comparison) [ array ] off"
echo -e "\t-p| --pos datbase from which master log position will be used [ string ]"
echo -e "\t-c| --cfg path of config file for mysql credentials [ string ] ~/.my.cnf"
echo -e "\t-n| --noprompt do not prompt user (Y/n) [ flag ] off"
echo -e "\nEXAMPLE: $0 -p main_db -s backup_data -a /home/backups/mysql/daily -k 'mysql performance_stats' --dry-run"
exit
;;
*)
echo 'error in command line parsing' >&2
echo "try: '$0 --help"
exit 1
esac
done
@@ -66,11 +83,11 @@ echo -e "\tdry run = $DRY_RUN"
echo -e "\n"
if [[ -f "$CFG" ]]; then
if [[ ! $(grep user ~/.my.cnf) ]]; then
if [[ ! $(grep user $CFG) ]]; then
echo "ERROR: 'user' field not found in '$CFG'"
exit 1
fi
if [[ ! $(grep password ~/.my.cnf) ]]; then
if [[ ! $(grep password $CFG) ]]; then
echo "ERROR: 'password' field not found in '$CFG'"
exit 1
fi
@@ -96,17 +113,18 @@ echo -e "\tstopping replication\n";
$CMD mysql -e "STOP SLAVE;"
NEWDATE=$(ls -1r "$ARCHPATH" | head -1)
NEWPATH="$ARCHPATH$NEWDATE$SUBDIR"
NEWPATH="$ARCHPATH$NEWDATE/$SUBDIR"
if [[ $FULLRESTORE == false ]]; then
OLDDATE=$(ls -1rt "$ARCHPATH" | head -1)
OLDPATH="$ARCHPATH$OLDATE$SUBDIR"
echo "compartive restoration selected: files from '$NEWDATE' will be compared to '$OLDDATE'"
OLDPATH="$ARCHPATH$OLDDATE/$SUBDIR"
echo "compartive restoration selected:\n\tfiles from:\t'$NEWDATE'\n\tcompared to:\t'$OLDDATE'"
else
echo "full restorion selected: comparisons will not be made, all non-excluded databases will be restored"
fi
for FILE in $NEWPATH/*.gz; do
echo "finding files '$NEWPATH*.gz'"
for FILE in $NEWPATH*.gz; do
FILE=$(basename $FILE)
STARTLOOP=$(date +%s)
echo -e "\n$(date +%F\ %T) | $FILE:"
@@ -114,15 +132,16 @@ for FILE in $NEWPATH/*.gz; do
if [[ "${SETPOSDB}" =~ ${FILE%%.*} ]]; then echo -e "\t-- recognized $FILE for master position and log file";SETPOSFILE=$(realpath $FILE); fi;
if [[ "${SKIPDBS[*]}" =~ ${FILE%%.*} ]]; then echo -e "\t-- skipping $FILE";continue; fi;
if [[ ! -z $OLDDATE ]]; then
if [[ FULLRESTORE == false ]]; then
OLDSIZE=$(stat -c %s $OLDPATH$FILE)
else
OLDSIZE=0
fi
NEWSIZE=$(stat -c %s $NEWPATH/$FILE)
NEWSIZE=$(stat -c %s $NEWPATH$FILE)
if [[ $OLDSIZE != $NEWSIZE ]]; then
echo -e "\t$OLDDATE:$FILE:$OLDSIZE != $NEWDATE:$FILE:$NEWSIZE"
DB=$(echo $FILE | cut -f1 -d'.')
echo -e "\tDROPPING/CREATING '$DB'
pv $NEWPATH$FILE | gunzip | mysql $DB"