Latest WIP

- UnixSocket working
- Converted complicated Singleton to Borg pattern
- Corrected some implementations
- Introduced pipenv
This commit is contained in:
Marcel Otte 2020-01-05 13:17:46 +01:00
parent 88c83cc1d8
commit b12d85e7f1
10 changed files with 431 additions and 69 deletions

21
Pipfile Normal file
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@ -0,0 +1,21 @@
[[source]]
name = "pypi"
url = "https://pypi.org/simple"
verify_ssl = true
[dev-packages]
setuptools = "*"
pytest = "*"
pytest_runner = "*"
pytest_cov = "*"
pytest_pylint = "*"
pytest-pep8 = "*"
pylint = "*"
coverage = "*"
[packages]
jsonschema = "*"
"ruamel.yaml" = "*"
[requires]
python_version = "3.8"

279
Pipfile.lock generated Normal file
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@ -0,0 +1,279 @@
{
"_meta": {
"hash": {
"sha256": "4be395776086a6418e10dd27cb606a4dd9d5dcc15f3b875692880a7873c647db"
},
"pipfile-spec": 6,
"requires": {
"python_version": "3.8"
},
"sources": [
{
"name": "pypi",
"url": "https://pypi.org/simple",
"verify_ssl": true
}
]
},
"default": {
"attrs": {
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],
"version": "==19.3.0"
},
"jsonschema": {
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],
"index": "pypi",
"version": "==3.2.0"
},
"pyrsistent": {
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],
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},
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],
"index": "pypi",
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},
"six": {
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],
"version": "==1.13.0"
}
},
"develop": {
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},
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],
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},
"mccabe": {
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"sha256:ab8a6258860da4b6677da4bd2fe5dc2c659cff31b3ee4f7f5d64e79735b80d42",
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],
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},
"more-itertools": {
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"sha256:b84b238cce0d9adad5ed87e745778d20a3f8487d0f0cb8b8a586816c7496458d",
"sha256:c833ef592a0324bcc6a60e48440da07645063c453880c9477ceb22490aec1564"
],
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},
"packaging": {
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],
"version": "==19.2"
},
"pep8": {
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"sha256:b22cfae5db09833bb9bd7c8463b53e1a9c9b39f12e304a8d0bba729c501827ee",
"sha256:fe249b52e20498e59e0b5c5256aa52ee99fc295b26ec9eaa85776ffdb9fe6374"
],
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},
"pluggy": {
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"sha256:966c145cd83c96502c3c3868f50408687b38434af77734af1e9ca461a4081d2d"
],
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},
"py": {
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"sha256:c20fdd83a5dbc0af9efd622bee9a5564e278f6380fffcacc43ba6f43db2813b0"
],
"version": "==1.8.1"
},
"pylint": {
"hashes": [
"sha256:3db5468ad013380e987410a8d6956226963aed94ecb5f9d3a28acca6d9ac36cd",
"sha256:886e6afc935ea2590b462664b161ca9a5e40168ea99e5300935f6591ad467df4"
],
"index": "pypi",
"version": "==2.4.4"
},
"pyparsing": {
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],
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},
"pytest": {
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],
"index": "pypi",
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},
"pytest-cache": {
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"sha256:be7468edd4d3d83f1e844959fd6e3fd28e77a481440a7118d430130ea31b07a9"
],
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},
"pytest-cov": {
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],
"index": "pypi",
"version": "==2.8.1"
},
"pytest-pep8": {
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],
"index": "pypi",
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},
"pytest-pylint": {
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],
"index": "pypi",
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},
"pytest-runner": {
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],
"index": "pypi",
"version": "==5.2"
},
"six": {
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],
"version": "==1.13.0"
},
"wcwidth": {
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"sha256:8fd29383f539be45b20bd4df0dc29c20ba48654a41e661925e612311e9f3c603",
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],
"version": "==0.1.8"
},
"wrapt": {
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],
"version": "==1.11.2"
}
}
}

View File

@ -3,6 +3,7 @@
"""
Service startup script.
"""
import asyncio
from backive.core.events import EventInterface
from backive.config.config import Config
@ -12,7 +13,13 @@ class Backive:
self._config = Config()
self._events = None
async def callback(self, data=None):
print("Callback: {}".format(str(data)))
def serve(self):
loop = asyncio.get_event_loop()
self._events = EventInterface(self.callback, None, loop)
loop.run_forever()
pass

View File

@ -9,12 +9,21 @@ from backive.core.device import Device
class Config:
__shared_state = dict
def __init__(self):
self.__dict__ = self.__shared_state
self._config = dict()
self._schema = dict()
self._backups = list()
self._devices = list()
file_path = os.path.realpath(__file__)
schema_path = os.path.join(file_path, "schema.yml")
schema_path = os.path.join(
os.path.dirname(
file_path
),
"schema.yml"
)
with open(schema_path, "r") as stream:
self._schema = YAML().load(stream)
@ -41,37 +50,42 @@ class Config:
logging.error(e)
def get_devices(self):
devices = []
if self._config.get("devices", None):
if self._config.get("devices", None) and not self._devices:
data = self._config.get("devices")
for device in data:
devices.append(
self._devices.append(
Device.instance(
device,
data.get(device)
)
)
return devices
return self._devices
def get_backups(self):
backups = []
if self._config.get("backups", None):
if self._config.get("backups", None) and not self._backups:
data = self._config.get("backups")
for name in data:
backups.append(
self._backups.append(
Backup.instance(
name,
data.get(name)
)
)
return backups
return self._backups
def get_device_backups(self, device):
uuid = device
device_name = self._config.get("devices").get(uuid).get("name")
backups = []
def get_backups_by_device(self, uuid):
name = None
for k, v in self._config.get("devices").items():
if v.get("uuid") == uuid:
name = k
if name:
return self.get_device_backups(name)
return None
def get_device_backups(self, name):
backups = list()
for backup in self.get_backups():
if backup.target == uuid or backup.target == device_name:
if backup.target == name:
backups.append(backup)
return backups

View File

@ -1,22 +1,22 @@
### backive config schema
#
#
definitions:
device_section:
type: object
patternProperties:
"^[^ \t/\\]+$":
# The pattern can be any name...
# "^[a-fA-F0-9]{8}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{12}$":
type: object
properties:
name:
uuid:
type: string
mountname:
type: string
required:
- mountname
- uuid
additionalProperties: false
backup_section:
type: object
@ -28,38 +28,51 @@ definitions:
type: string
from:
type: string
from_remote:
type: object
properties:
user:
type: string
password:
type: string
ssh_key_path:
type: string
# from directory
# from_remote:
# type: object
# properties:
# user:
# type: string
# password:
# type: string
# ssh_key_path:
# type: string
to:
type: string
# to directory
target_device:
type: string
# target device name
frequency:
type: string
scripts:
type: array
items:
type: object
properties:
target:
enum: [ "local", "remote" ]
# in numbers? days? weeks?
# or just strings like
# weekly, biweekly, monthly, yearly
# 7d, 2w, 1m, 1y (this needs parser)
#
# No frequency means no reminder and the backup is always started when the device is available, but not more than once a day!
script:
type: string
execute: [ "before", "after" ]
additionalProperties: false
tool:
type: object
# MVP just executes a script, nothing else
# scripts:
# type: array
# items:
# type: object
# properties:
# target:
# enum: [ "local", "remote" ]
# script:
# type: string
# execute: [ "before", "after" ]
# additionalProperties: false
# tool:
# type: object
required:
- from
- to
- target_device
- script
additionalProperties: false
preferences_section:
type: object

View File

@ -6,6 +6,10 @@ class Backup:
self.name = name
self.config = cfg
@classmethod
def instance(cls, name, config=None):
return Backup(name, config)
def get_frequency(self):
return self.config.get("frequency", None)

View File

@ -5,10 +5,14 @@ import backive.config.config as cfg
class Device:
disks_by_uuid = "/dev/disk/by-uuid"
def __init__(self, uuid, config=None):
self.uuid = uuid
def __init__(self, name, config=None):
self.name = name
self.config = config
@classmethod
def instance(cls, name, config=None):
return Device(name, config)
@classmethod
def get_list(cls):
if os.path.exists(cls.disks_by_uuid):
@ -16,7 +20,7 @@ class Device:
return uuids
return []
def mount(self):
def mount(self, path):
pass
def unmount(self):

View File

@ -14,13 +14,13 @@ class EventInterface:
except OSError:
pass
if not loop:
loop = asyncio.get_running_loop()
loop = asyncio.get_event_loop()
loop.create_task(asyncio.start_unix_server(self.client_connected, unix_socket_path))
async def client_connected(self, reader, writer):
print("client_connected")
data = None
data = (await reader.read()).decode('utf8')
self.event_callback(data)
await self.event_callback(data)

View File

@ -1,18 +1,14 @@
import os
import json
from datetime import datetime
class Singleton(type):
_instances = {}
def __call__(cls, *args, **kwargs):
if cls not in cls._instances:
cls._instances[cls] = super(Singleton, cls).__call__(*args, **kwargs)
return cls._instances[cls]
class Scheduler(metaclass=Singleton):
class Scheduler():
__shared_state = dict()
__data = dict()
def __init__(self):
self._data = dict()
self.__dict__ = self.__shared_state
if not self.__data:
# who are we?
uid = os.getuid()
if uid == 0:
@ -30,17 +26,32 @@ class Scheduler(metaclass=Singleton):
def save(self):
with open(self._data_file, "w") as stream:
json.dump(self._data, stream, indent=2)
json.dump(self.__data, stream, indent=2)
def load(self):
with open(self._data_file, "r") as stream:
self._data = json.load(stream)
self.__data = json.load(stream)
def register_backup(self, name, frequency):
pass
backups = self.__data.get("backups", dict())
if not backups:
self.__data["backups"] = backups
if (
name not in backups.keys() or
backups[name] != frequency
):
backups[name] = frequency
self.save()
def register_run(self, name):
pass
runs = self.__data.get("runs", dict())
if not runs:
self.__data["runs"] = runs
if name not in runs.keys():
runs[name] = [datetime.now().isoformat()]
else:
runs[name].append(datetime.now().isoformat())
self.save()
def should_run(self, name):
pass

View File

@ -14,7 +14,10 @@ setup_info = dict(
license="BSD",
classifiers=[
],
scripts=[],
scripts=[
"backive/backive_service",
"backive/backive_udev"
],
packages=find_packages(),
setup_requires=[
"setuptools>=40.4.3",
@ -30,7 +33,13 @@ setup_info = dict(
"pytest-pep8>=1.0.6",
"pylint>=2.1.1",
"coverage>=4.5.1",
],
package_data={
"backive.config": [
"schema.yml"
]
},
include_package_data=True
)
setup(**setup_info)