tunasync/tunasync/mirror_config.py

119 lines
3.7 KiB
Python

#!/usr/bin/env python2
# -*- coding:utf-8 -*-
import os
from .mirror_provider import RsyncProvider, ShellProvider
from .btrfs_snapshot import BtrfsHook
from .loglimit import LogLimitHook
class MirrorConfig(object):
_valid_providers = set(("rsync", "debmirror", "shell", ))
def __init__(self, parent, options):
self._parent = parent
self._popt = self._parent._settings
self.options = dict(options.items()) # copy
self._validate()
def _validate(self):
provider = self.options.get("provider", None)
assert provider in self._valid_providers
if provider == "rsync":
assert "upstream" in self.options
elif provider == "shell":
assert "command" in self.options
local_dir_tmpl = self.options.get(
"local_dir", self._popt["global"]["local_dir"])
self.options["local_dir"] = local_dir_tmpl.format(
mirror_root=self._popt["global"]["mirror_root"],
mirror_name=self.name,
)
if "interval" not in self.options:
self.options["interval"] = self._popt["global"]["interval"]
assert isinstance(self.options["interval"], int)
log_dir = self.options.get(
"log_dir", self._popt["global"]["log_dir"])
if "log_file" not in self.options:
self.options["log_file"] = os.path.join(
log_dir, self.name, self.name + "_{date}.log")
self.log_dir = os.path.dirname(self.log_file)
if "use_btrfs" not in self.options:
self.options["use_btrfs"] = self._parent.use_btrfs
assert self.options["use_btrfs"] in (True, False)
def __getattr__(self, key):
if key in self.__dict__:
return self.__dict__[key]
else:
return self.__dict__["options"].get(key, None)
def to_provider(self, hooks=[]):
if self.provider == "rsync":
provider = RsyncProvider(
name=self.name,
upstream_url=self.upstream,
local_dir=self.local_dir,
log_dir=self.log_dir,
useIPv6=self.use_ipv6,
password=self.password,
exclude_file=self.exclude_file,
log_file=self.log_file,
interval=self.interval,
hooks=hooks,
)
elif self.options["provider"] == "shell":
provider = ShellProvider(
name=self.name,
command=self.command,
upstream_url=self.upstream,
local_dir=self.local_dir,
log_dir=self.log_dir,
log_file=self.log_file,
interval=self.interval,
hooks=hooks
)
return provider
def compare(self, other):
assert self.name == other.name
for key, val in self.options.iteritems():
if other.options.get(key, None) != val:
return False
return True
def hooks(self):
hooks = []
parent = self._parent
if self.options["use_btrfs"]:
working_dir = parent.btrfs_working_dir_tmpl.format(
mirror_root=parent.mirror_root,
mirror_name=self.name
)
service_dir = parent.btrfs_service_dir_tmpl.format(
mirror_root=parent.mirror_root,
mirror_name=self.name
)
gc_dir = parent.btrfs_gc_dir_tmpl.format(
mirror_root=parent.mirror_root,
mirror_name=self.name
)
hooks.append(BtrfsHook(service_dir, working_dir, gc_dir))
hooks.append(LogLimitHook())
return hooks
# vim: ts=4 sw=4 sts=4 expandtab