import boto3
import botocore
import datetime
import os
import re
import tarfile

WIKI_PATH = "/var/www/dokuwiki"
BACKUP_PATH = "~/backups"
AWS_ACCESS_KEY = "your_access_key_here"
AWS_SECRET_KEY = "your_secret_key_here"
BUCKET_NAME = "your-bucket-name-here"
BUCKET_KEY_PREFIX = "dokuwiki/"

TARGET_DIRS = ['conf', 'data/attic', 'data/media', 'data/meta', 'data/pages']
dirs = [WIKI_PATH + '/' + d for d in TARGET_DIRS]

datestring = re.sub('[^0-9]', '', datetime.datetime.now().isoformat())
filename = '{}/wiki-{}.tar.gz'.format(BACKUP_PATH, datestring)
with tarfile.open(os.path.expanduser(filename), 'w:gz') as tar:
    for dir in dirs:
        tar.add(dir, arcname=os.path.basename(dir))

s3 = boto3.resource('s3')
bucket = s3.Bucket(BUCKET_NAME)

try:
    s3.Object(BUCKET_NAME, BUCKET_KEY_PREFIX + os.path.basename(filename)).put(Body=open(os.path.expanduser(filename), 'rb'))
except botocore.exceptions.ClientError as e:
    error_code = int(e.response['Error']['Code'])
    print(error_code)