george/handy_scripts
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

2022-11-04 17:11:21

Browse Source
This commit is contained in:
george
2022-11-04 17:11:21 -04:00
parent ebad4e905e
commit 19a03b6538
1 changed files with 74 additions and 31 deletions
Download Patch File Download Diff File Expand all files Collapse all files

105
restore-mysql-daily
View File

@@ -7,8 +7,12 @@ SETPOSDB=db_for_master_log_position
CFG='~/.my.cnf'
DRY_RUN=false
NOPROMPT=false
DONOTSTART=false
CMD=''
#---
MASTER_HOST=''
MASTER_USER=''
MASTER_PASSWORD=''
#--- --- --- --- --- --- ---#
while [[ $# -gt 0 ]]; do
case $1 in
@@ -21,11 +25,11 @@ while [[ $# -gt 0 ]]; do
ARCHPATH=$2
shift 2
;;
-s|--subdir)
-sd|--subdir)
SUBDIR=$2
shift 2
;;
-k|--skip)
-sk|--skip)
SKIPDBS=($2)
shift 2
;;
@@ -41,23 +45,43 @@ while [[ $# -gt 0 ]]; do
CFG=$2
shift 2
;;
-n|--noprompt)
-ns|--nostart)
DONOTSTART=true
shift 1
;;
-np|--noprompt)
NOPROMPT=true
shift 1
;;
-mh|--masterhost)
MASTER_HOST=$2
shift 2
;;
-sd|--subdir)
MASTER_USER=$2
shift 2
;;
-sd|--subdir)
MASTER_PASSWORD=$2
shift 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 "\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-sd| --subdir directory containing actual compressed sql files [ string ]"
echo -e "\t-sk| --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-ns| --nostart do not restart replication [ flag ] off"
echo -e "\t-np| --noprompt do not prompt user (Y/n) [ flag ] off"
echo -e "\t-mh| --masterhost replication master host address [ string ]"
echo -e "\t-mu| --masteruser user name for replication [ string ]"
echo -e "\t-mp| --masterpass password for replication [ string ]"
echo -e "\nEXAMPLE: $0 -p main_db -s backup_data -a /home/backups/mysql/daily -k 'mysql performance_stats' --dry-run"
exit
;;
@@ -71,16 +95,20 @@ done
ARCHPATH="${ARCHPATH%/}/"
SUBDIR="${SUBDIR%/}/"
echo "restore with options:"
echo -e "\tarchive path = $ARCHPATH"
echo -e "\tsubdirectory = $SUBDIR"
echo -e "\tDBs to skip = ${SKIPDBS[@]}"
echo -e "\tfull restore = $FULLRESTORE"
echo -e "\tDB for position = $SETPOSDB"
echo -e "\tconfig file = $CFG"
echo -e "\tdry run = $DRY_RUN"
echo -e "\tarchive path = $ARCHPATH"
echo -e "\tsubdirectory = $SUBDIR"
echo -e "\tDBs to skip = ${SKIPDBS[@]}"
echo -e "\tfull restore = $FULLRESTORE"
echo -e "\tDB for position = $SETPOSDB"
echo -e "\tconfig file = $CFG"
echo -e "\tdry run = $DRY_RUN"
echo -e "\n"
echo -e "\treplication master = $MASTER_HOST"
echo -e "\treplication user = $MASTER_USER"
echo -e "\treplication password = $([[ $MASTER_PASSWORD ]] && echo true || echo false )"
echo -e "\n"
if [[ -f "$CFG" ]]; then
if [[ ! $(grep user $CFG) ]]; then
@@ -123,7 +151,7 @@ else
echo "full restorion selected: comparisons will not be made, all non-excluded databases will be restored"
fi
echo "finding files '$NEWPATH*.gz'"
echo "\nfinding files in '$NEWPATH*.gz'"
for FILE in $NEWPATH*.gz; do
FILE=$(basename $FILE)
STARTLOOP=$(date +%s)
@@ -154,22 +182,37 @@ for FILE in $NEWPATH*.gz; do
printf '\t%02dh:%02dm:%02ds\n' $((EXCTIME/3600)) $((EXCTIME%3600/60)) $((EXCTIME%60))
done
if [[ -z $SETPOSFILE ]]; then
if [[ MASTER_HOST && MASTER_USER && MASTER_PASSWORD ]]; then
echo "applying configuration for replication from $MASTER_HOST"
$CMD mysql -e "CHANGE MASTER TO master_host='$MASTER_HOST',master_user='$MASTER_USER',master_password='$MASTER_PASSWORD';"
else
echo "replication credentials not configured"
fi
if [[ $SETPOSFILE ]]; then
SETPOSSTMT=$(zcat $SETPOSFILE | head -40 | grep MASTER | sed 's/-- //')
echo "\n$SETPOSSTMT\n"
echo -e "\n$SETPOSSTMT\n"
$CMD mysql -e "$SETPOS"
else
DONOTSTART=true
echo "master position database undefined, listing suggestions"
for FILE in $NEWPATH*.gz; do
echo $(basename $FILE)
echo -e "\t$(zcat $FILE | head -40 | grep MASTER)"
done
fi
if [[ $NOPROMPT == false ]]; then
read -n 1 -p "restart replication? [Y/n] " reply;
if [[ $reply == [Nn] ]]; then
echo -e "\naborting"
exit 1
DONOTSTART=true
fi
fi
echo -e "restarting replication"
$CMD mysql -e "START SLAVE"
if [[ $DONOTSTART != true ]]; then
echo -e "restarting replication"
$CMD mysql -e "START SLAVE"
fi
END=$(date +%s)
EXCTIME=$(expr $END - $START)