storage: add remove functionality for Disk

Also a late migration for DiskActivity.

circle/storage/migrations/0008_auto__add_diskactivity__add_field_disk_removed.py

+# -*- coding: utf-8 -*-
+import datetime
+from south.db import db
+from south.v2 import SchemaMigration
+from django.db import models
+
+
+class Migration(SchemaMigration):
+
+    def forwards(self, orm):
+        # Adding model 'DiskActivity'
+        db.create_table(u'storage_diskactivity', (
+            (u'id', self.gf('django.db.models.fields.AutoField')(primary_key=True)),
+            ('created', self.gf('model_utils.fields.AutoCreatedField')(default=datetime.datetime.now)),
+            ('modified', self.gf('model_utils.fields.AutoLastModifiedField')(default=datetime.datetime.now)),
+            ('activity_code', self.gf('django.db.models.fields.CharField')(max_length=100)),
+            ('task_uuid', self.gf('django.db.models.fields.CharField')(max_length=50, unique=True, null=True, blank=True)),
+            ('disk', self.gf('django.db.models.fields.related.ForeignKey')(related_name='activity_log', to=orm['storage.Disk'])),
+            ('user', self.gf('django.db.models.fields.related.ForeignKey')(to=orm['auth.User'], null=True, blank=True)),
+            ('started', self.gf('django.db.models.fields.DateTimeField')(null=True, blank=True)),
+            ('finished', self.gf('django.db.models.fields.DateTimeField')(null=True, blank=True)),
+            ('result', self.gf('django.db.models.fields.TextField')(null=True, blank=True)),
+            ('state', self.gf('django.db.models.fields.CharField')(default='PENDING', max_length=50)),
+        ))
+        db.send_create_signal(u'storage', ['DiskActivity'])
+
+        # Adding field 'Disk.removed'
+        db.add_column(u'storage_disk', 'removed',
+                      self.gf('django.db.models.fields.DateTimeField')(default=None, null=True, blank=True),
+                      keep_default=False)
+
+
+    def backwards(self, orm):
+        # Deleting model 'DiskActivity'
+        db.delete_table(u'storage_diskactivity')
+
+        # Deleting field 'Disk.removed'
+        db.delete_column(u'storage_disk', 'removed')
+
+
+    models = {
+        u'auth.group': {
+            'Meta': {'object_name': 'Group'},
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '80'}),
+            'permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': u"orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'})
+        },
+        u'auth.permission': {
+            'Meta': {'ordering': "(u'content_type__app_label', u'content_type__model', u'codename')", 'unique_together': "((u'content_type', u'codename'),)", 'object_name': 'Permission'},
+            'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['contenttypes.ContentType']"}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
+        },
+        u'auth.user': {
+            'Meta': {'object_name': 'User'},
+            'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'blank': 'True'}),
+            'first_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
+            'groups': ('django.db.models.fields.related.ManyToManyField', [], {'to': u"orm['auth.Group']", 'symmetrical': 'False', 'blank': 'True'}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'is_staff': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'is_superuser': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'last_login': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'last_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
+            'password': ('django.db.models.fields.CharField', [], {'max_length': '128'}),
+            'user_permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': u"orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'}),
+            'username': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '30'})
+        },
+        u'contenttypes.contenttype': {
+            'Meta': {'ordering': "('name',)", 'unique_together': "(('app_label', 'model'),)", 'object_name': 'ContentType', 'db_table': "'django_content_type'"},
+            'app_label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
+        },
+        u'storage.datastore': {
+            'Meta': {'ordering': "['name']", 'object_name': 'DataStore'},
+            'hostname': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '40'}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '100'}),
+            'path': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '200'})
+        },
+        u'storage.disk': {
+            'Meta': {'ordering': "['name']", 'object_name': 'Disk'},
+            'base': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'derivatives'", 'null': 'True', 'to': u"orm['storage.Disk']"}),
+            'created': ('model_utils.fields.AutoCreatedField', [], {'default': 'datetime.datetime.now'}),
+            'datastore': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['storage.DataStore']"}),
+            'dev_num': ('django.db.models.fields.CharField', [], {'default': "'a'", 'max_length': '1'}),
+            'filename': ('django.db.models.fields.CharField', [], {'max_length': '256'}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'modified': ('model_utils.fields.AutoLastModifiedField', [], {'default': 'datetime.datetime.now'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '100', 'blank': 'True'}),
+            'ready': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'removed': ('django.db.models.fields.DateTimeField', [], {'default': 'None', 'null': 'True', 'blank': 'True'}),
+            'size': ('sizefield.models.FileSizeField', [], {}),
+            'type': ('django.db.models.fields.CharField', [], {'max_length': '10'})
+        },
+        u'storage.diskactivity': {
+            'Meta': {'object_name': 'DiskActivity'},
+            'activity_code': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'created': ('model_utils.fields.AutoCreatedField', [], {'default': 'datetime.datetime.now'}),
+            'disk': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'activity_log'", 'to': u"orm['storage.Disk']"}),
+            'finished': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'blank': 'True'}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'modified': ('model_utils.fields.AutoLastModifiedField', [], {'default': 'datetime.datetime.now'}),
+            'result': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}),
+            'started': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'blank': 'True'}),
+            'state': ('django.db.models.fields.CharField', [], {'default': "'PENDING'", 'max_length': '50'}),
+            'task_uuid': ('django.db.models.fields.CharField', [], {'max_length': '50', 'unique': 'True', 'null': 'True', 'blank': 'True'}),
+            'user': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['auth.User']", 'null': 'True', 'blank': 'True'})
+        }
+    }
+
+    complete_apps = ['storage']
\ No newline at end of file

circle/storage/models.py

@@ -51,6 +51,7 @@ class Disk(TimeStampedModel):
     ready = BooleanField(default=False)
     dev_num = CharField(default='a', max_length=1,
                         verbose_name=_("device number"))
+    removed = DateTimeField(blank=True, default=None, null=True)
 
     class Meta:
         ordering = ['name']
@@ -179,10 +180,14 @@ class Disk(TimeStampedModel):
         local_tasks.deploy.apply_async(args=[self, user],
                                        queue="localhost.man")
 
-    def delete(self):
-        # TODO
-        # StorageDriver.delete_disk.delay(instance.to_json()).get()
-        pass
+    def remove(self, user=None, task_uuid=None):
+        # TODO add activity logging
+        self.removed = timezone.now()
+        self.save()
+
+    def remove_async(self, user=None):
+        local_tasks.remove.apply_async(args=[self, user],
+                                       queue='localhost.man')
 
 
 class DiskActivity(TimeStampedModel):

circle/storage/tasks/local_tasks.py

@@ -7,8 +7,8 @@ def deploy(disk, user):
 
 
 @celery.task
-def delete():
-    pass
+def remove(disk, user):
+    disk.remove(task_uuid=remove.request.id, user=user)
 
 
 @celery.task