RESUMEN DE LA CLASE
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Automatizando la copia de seguridad
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Script final
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- Generar backup de base de datos MySQL
#!/bin/bash
# Shell script para obtener una copia desde MySQL
# Desarrollado por Jhon Edison
PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
set -e
readonly SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
readonly SCRIPT_NAME="$(basename "$0")"
run
make_backup
function assert_is_installed {
local readonly name="$1"
if [[ ! $(command -v ${name})]]; then
log_error "The binary '$name' is required but it isn't in our system"
exit 1
fi
}
function log_error {
local readonly message "$1"
log "ERROR" "$message"
}
function log {
local readonly level="$1"
local readonly message="$2"
local readonly timestamp=$(date +"%Y-%m-%d %H:%M:%S") >&2 echo -e "${timestamp} [${level}] [$SCRIPT_NAME] ${message}"
}
function run {
assert_is_installed "mysql"
assert_is_installed "mysqldump"
assert_is_installed "gzip"
assert_is_installed "aws"
}
function make_backup {
local BAK="$(echo $HOME/mysql)"
local MYSQL="$(which mysql)"
local MYSQLDUMP="$(which mysqldump)"
local GZIP="$(which gzip)"
local NOW="$(date +"+%d-%m-%Y")"
local BUCKET="xxxxx"
USER="xxxxxx"
PASS="xxxxxx"
HOST="xxxxxx"
DATABASE="xxxxxx"
[! -d "$BAK" ] && mkdir -p "$BAK"
FILE=$BAK/$DATABASE.$NOW-$(date +"%T").gz
local SECONDS=0
$MYSQLDUMP --single-transaction --set-gtid-purged=OFF -u $USER -p $PASS -h $HOST $DATABASE | $GZIP -9 > $FILE
duration=$SECONDS
echo "$($duration / 60) minutes"
aws s3 cp $BAK "s3://$BUCKET" --recursive
}
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