pybackive/backive/core/backup.py

57 lines
2.0 KiB
Python

import os
import logging
from subprocess import Popen
import asyncio
from backive.config.config import Config
class Backup:
def __init__(self, name, cfg=None):
self.name = name
self.config = cfg
@classmethod
def instance(cls, name, config=None):
logging.debug("Backup instance created (%s)", name)
return Backup(name, config)
def get_frequency(self):
return self.config.get("frequency", None)
async def run(self):
logging.debug("Running backup %s", self.name)
if self.config.get("script", None) is not None:
logging.debug("Executing script..")
backup_env = os.environ.copy()
backup_env["BACKIVE_FROM"] = self.config.get("from")
backup_env["BACKIVE_TO"] = self.config.get("to")
backup_env["BACKIVE_MOUNT"] = os.path.join(
(await Config().get_preferences()).get("mount_root"),
(await Config().get_device(
self.config.get("target_device")
)).config.get("mountname")
)
proc = await asyncio.create_subprocess_shell(
"""mkdir -p {}""".format(
os.path.join(
backup_env["BACKIVE_MOUNT"],
backup_env["BACKIVE_TO"]
)
),
stdout=asyncio.subprocess.PIPE,
stderr=asyncio.subprocess.PIPE,
)
stdout, stderr = await proc.communicate()
logging.debug("stdout: %s", stdout)
logging.debug("stderr: %s", stderr.decode())
proc = await asyncio.create_subprocess_shell(
self.config.get("script"),
stdout=asyncio.subprocess.PIPE,
stderr=asyncio.subprocess.PIPE,
env=backup_env
)
stdout, stderr = await proc.communicate()
logging.debug("stdout: %s", stdout.decode())
logging.debug("stderr: %s", stderr.decode())
return stdout