mirror of https://github.com/harish2704/dotFiles
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
81 lines
2.8 KiB
81 lines
2.8 KiB
#!/usr/bin/env python3
|
|
|
|
import subprocess
|
|
import datetime
|
|
import os
|
|
import gzip
|
|
import shutil
|
|
import argparse
|
|
import sys
|
|
|
|
def get_args():
|
|
parser = argparse.ArgumentParser(description="High-performance MySQL multi-database backup tool.")
|
|
parser.add_argument("-H", "--host", default="localhost", help="MySQL Host (default: localhost)")
|
|
parser.add_argument("-P", "--port", default="3306", help="MySQL Port (default: 3306)")
|
|
parser.add_argument("-u", "--user", required=True, help="MySQL Username")
|
|
parser.add_argument("-p", "--password", required=True, help="MySQL Password")
|
|
parser.add_argument("-o", "--output", default="backups", help="Output directory (default: backups)")
|
|
return parser.parse_args()
|
|
|
|
def run_backup():
|
|
args = get_args()
|
|
|
|
# 1. Setup Environment
|
|
if not os.path.exists(args.output):
|
|
os.makedirs(args.output)
|
|
|
|
timestamp = datetime.datetime.now().strftime("%Y%m%d_%H%M%S")
|
|
exclude_dbs = ('information_schema', 'performance_schema', 'sys', 'mysql', 'Database')
|
|
|
|
# Common connection flags
|
|
conn_flags = ['-h', args.host, '-P', args.port, '-u', args.user, f'-p{args.password}']
|
|
|
|
try:
|
|
# 2. Fetch Database List
|
|
print(f"Connecting to {args.host}...")
|
|
proc = subprocess.run(
|
|
['mysql'] + conn_flags + ['-e', 'SHOW DATABASES;', '-N', '-s'],
|
|
capture_output=True, text=True, check=True
|
|
)
|
|
databases = [db for db in proc.stdout.split() if db not in exclude_dbs]
|
|
|
|
# 3. Process Each Database
|
|
for db in databases:
|
|
print(f"Backing up: {db}...", end=" ", flush=True)
|
|
filename = f"{db}_{timestamp}.sql.gz"
|
|
filepath = os.path.join(args.output, filename)
|
|
|
|
# Fast-load dump flags
|
|
dump_cmd = [
|
|
'mysqldump'
|
|
] + conn_flags + [
|
|
'--single-transaction',
|
|
'--extended-insert',
|
|
'--quick',
|
|
'--disable-keys',
|
|
'--no-autocommit',
|
|
db
|
|
]
|
|
|
|
# Stream from mysqldump to Gzip
|
|
with subprocess.Popen(dump_cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE) as dump_proc:
|
|
with gzip.open(filepath, 'wb', compresslevel=6) as f_out:
|
|
shutil.copyfileobj(dump_proc.stdout, f_out)
|
|
|
|
dump_proc.wait()
|
|
|
|
if dump_proc.returncode != 0:
|
|
error_msg = dump_proc.stderr.read().decode()
|
|
print(f"\nERROR on {db}: {error_msg}")
|
|
else:
|
|
print(f"Done -> {filename}")
|
|
|
|
except subprocess.CalledProcessError as e:
|
|
print(f"\nConnection Error: {e.stderr}")
|
|
sys.exit(1)
|
|
except Exception as e:
|
|
print(f"\nUnexpected error: {e}")
|
|
sys.exit(1)
|
|
|
|
if __name__ == "__main__":
|
|
run_backup()
|
|
|