restic-compose-backup/restic_volume_backup/restic.py

73 lines
1.7 KiB
Python

"""
Restic commands
"""
import logging
from typing import List
from subprocess import Popen, PIPE
from restic_volume_backup import commands
logger = logging.getLogger(__name__)
def init_repo(repository: str):
"""
Attempt to initialize the repository.
Doing this after the repository is initialized
"""
return commands.run(restic(repository, [
"init",
]))
def backup_files(repository: str, source='/backup'):
return commands.run(restic(repository, [
"--verbose",
"backup",
source,
]))
def backup_from_stdin(repository: str, filename: str, source_command: List[str]):
"""
Backs up from stdin running the source_command passed in.
It will appear in restic with the filename (including path) passed in.
"""
dest_command = restic(repository, [
'backup',
'--stdin',
'--stdin-filename',
filename,
])
# pipe source command into dest command
source_process = Popen(source_command, stdout=PIPE)
dest_process = Popen(dest_command, stdin=source_process.stdout)
dest_process.communicate()
# Ensure both processes exited with code 0
source_exit, dest_exit = source_process.poll(), dest_process.poll()
return source_exit == 0 and dest_exit == 0
def snapshots(repository: str):
return commands.run(restic(repository, [
"snapshots",
]))
def check(repository: str):
return commands.run(restic(repository, [
"check",
]))
def restic(repository: str, args: List[str]):
"""Generate restic command"""
return [
"restic",
"--cache-dir",
"/restic_cache",
"-r",
repository,
] + args