Script create db, user and grant permission

create_mysql5_db.sh

#!/bin/bash

# sudo ./mysql-db-create.sh dbname dbuser password

# Functions
ok() { echo -e '\e[32m'$1'\e[m'; } # Green

EXPECTED_ARGS=3
E_BADARGS=65
MYSQL=`which mysql`

Q1="CREATE DATABASE IF NOT EXISTS $1;"
Q2="GRANT ALL ON *.* TO '$2'@'localhost' IDENTIFIED BY '$3';"
Q3="FLUSH PRIVILEGES;"
SQL="${Q1}${Q2}${Q3}"

if [ $# -ne $EXPECTED_ARGS ]
then
  echo "Usage: $0 dbname dbuser dbpass"
  exit $E_BADARGS
fi

$MYSQL -uroot -p -e "$SQL"

ok "Database $1 and user $2 created with a password $3"

create_mysql8_db.sh

#!/bin/bash

# Functions
ok() { echo -e '\e[32m'$1'\e[m'; } # Green

EXPECTED_ARGS=3
E_BADARGS=65
MYSQL=`which mysql`
 
Q1="CREATE DATABASE IF NOT EXISTS $1;"
Q2="CREATE USER IF NOT EXISTS '$2'@'localhost' IDENTIFIED WITH mysql_native_password BY '$3';GRANT ALL PRIVILEGES ON $1.* TO '$2'@'localhost' WITH GRANT OPTION;"
Q3="FLUSH PRIVILEGES;"
SQL="${Q1}${Q2}${Q3}"
 
if [ $# -ne $EXPECTED_ARGS ]
then
  echo "Usage: $0 dbname dbuser dbpass"
  exit $E_BADARGS
fi
 
$MYSQL -uroot -p -e "$SQL"

ok "Database $1 and user $2 created with a password $3"

dump-tables-mysql.sh

#!/bin/bash

# dump-tables-mysql.sh
# Descr: Dump MySQL table data into separate SQL files for a specified database.
# Usage: Run without args for usage info.
# Author: @Trutane
# Ref: http://stackoverflow.com/q/3669121/138325
# Notes:
#  * Script will prompt for password for db access.
#  * Output files are compressed and saved in the current working dir, unless DIR is
#    specified on command-line.

[ $# -lt 3 ] && echo "Usage: $(basename $0) <DB_HOST> <DB_USER> <DB_NAME> [<DIR>]" && exit 1

DB_host=$1
DB_user=$2
DB=$3
DIR=$4

[ -n "$DIR" ] || DIR=.
test -d $DIR || mkdir -p $DIR

echo -n "DB password: "
read -s DB_pass
echo
echo "Dumping tables into separate SQL command files for database '$DB' into dir=$DIR"

tbl_count=0

for t in $(mysql -NBA -h $DB_host -u $DB_user -p$DB_pass -D $DB -e 'show tables') 
do 
    echo "DUMPING TABLE: $DB.$t"
    mysqldump -h $DB_host -u $DB_user -p$DB_pass $DB $t | gzip > $DIR/$DB.$t.sql.gz
    tbl_count=$(( tbl_count + 1 ))
done

echo "$tbl_count tables dumped from database '$DB' into dir=$DIR"

import_tables_in_dir.sh

#!/bin/bash

# Import các bảng được export riêng trong 1 thư mục

[ $# -lt 3 ] && echo "Usage: $(basename $0) <DB_HOST> <DB_USER> <DB_NAME> [<DIR>]" && exit 1

DB_host=$1
DB_user=$2
DB=$3
DIR=$4

[ -n "$DIR" ] || DIR=.
test -d $DIR || mkdir -p $DIR

echo -n "DB password: "
read -s DB_pass
echo
echo "Import tables in dir=$DIR to database '$DB'"

tbl_count=0

for FILENAME in $DIR/*.sql.gz; do
    echo "Importing TABLE: $FILENAME"
    BASENAME=$(basename -- "$FILENAME")
    echo $BASENAME
    IFS='.' read -ra FILENAME_INFO <<< "$BASENAME"
    TABLENAME=${FILENAME_INFO[1]}
    if [[ $(mysql -NBA -h $DB_host -u $DB_user -p$DB_pass -D $DB -e "show tables like '$TABLENAME'") ]]
    then 
        echo "Table existed"
    else
        zcat $FILENAME | mysql -u $DB_user -h $DB_host -p$DB_pass $DB
    fi
done