Another progress commit

backive/backive_service

@@ -4,11 +4,12 @@
 Service startup script.
 """
 from backive.core.events import EventInterface
+from backive.config.config import Config
 
 
 class Backive:
     def __init__(self):
-        self._config = None
+        self._config = Config()
         self._events = None
 
     def serve(self):

backive/config/config.py

@@ -27,8 +27,12 @@ class Config:
             if uid == 0:
                 config_file = "/etc/backive.yml"
             else:
-                config_file = os.path.join(os.path.expanduser("~"), ".backive", "backive.yml")
-                pass
+                config_file = os.path.join(
+                    os.path.expanduser("~"),
+                    ".config",
+                    "backive",
+                    "backive.yml"
+                )
 
             with open(config_file, "r") as cfg:
                 self._config = YAML().load(cfg)

backive/config/schema.yml

@@ -52,6 +52,7 @@ definitions:
                                     enum: [ "local", "remote" ]
                                 script:
                                     type: string
+                                execute: [ "before", "after" ]
                             additionalProperties: false
                     tool:
                         type: object

backive/core/backup.py

@@ -6,9 +6,11 @@ class Backup:
         self.name = name
         self.config = cfg
 
-    def run(self):
-        pass
+    def get_frequency(self):
+        return self.config.get("frequency", None)
+
+    def run(self):
+
+        if self.config.get("scripts", None):
+            pass
 
-    @classmethod
-    def instance(cls, name, cfg):
-        return Backup(name, cfg)

backive/core/device.py

@@ -9,10 +9,6 @@ class Device:
         self.uuid = uuid
         self.config = config
 
-    @classmethod
-    def instance(cls, uuid, config):
-        return Device(uuid, config)
-
     @classmethod
     def get_list(cls):
         if os.path.exists(cls.disks_by_uuid):

backive/core/scheduler.py

@@ -0,0 +1,49 @@
+import os
+import json
+
+
+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):
+    def __init__(self):
+        self._data = dict()
+        # who are we?
+        uid = os.getuid()
+        if uid == 0:
+            self._data_file = "/var/lib/backive/data.json"
+        else:
+            self._data_file = os.path.join(
+                    os.path.expanduser("~"),
+                    ".config",
+                    "backive",
+                    "data.json"
+                    )
+        if not os.path.exists(os.path.dirname(self._data_file)):
+            os.makedirs(os.path.dirname(self._data_file))
+            self.save()
+
+    def save(self):
+        with open(self._data_file, "w") as stream:
+            json.dump(self._data, stream, indent=2)
+
+    def load(self):
+        with open(self._data_file, "r") as stream:
+            self._data = json.load(stream)
+
+    def register_backup(self, name, frequency):
+        pass
+
+    def register_run(self, name):
+        pass
+
+    def should_run(self, name):
+        pass
+
+    def get_overtimed(self):
+        return list()

doc/architecture.puml

@@ -46,12 +46,15 @@ class Device
 
 class Tool
 
+class Scheduler
+
 backive_service --> Service : provides startup to
 EventInterface --* Service
 Config --* Service
 Backup --* Service
 Device --* Backup
 Tool --* Backup
+Backup <..> Scheduler: registers,\nasks for next run,\nstores run-data
 
 Config ..> Backup : generates Backup objects
 backive_udev ..> EventInterface : sends data through unix socket