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[Merge] lp:~julian-edwards/maas/node_group_model into lp:maas

 

Julian Edwards has proposed merging lp:~julian-edwards/maas/node_group_model into lp:maas.

Requested reviews:
  Launchpad code reviewers (launchpad-reviewers)

For more details, see:
https://code.launchpad.net/~julian-edwards/maas/node_group_model/+merge/108678

This is a basic implementation of a NodeGroup schema. It is required now because we need to store DHCP parameters on a per-nodegroup basis, so it makes sense to define the schema now.
-- 
https://code.launchpad.net/~julian-edwards/maas/node_group_model/+merge/108678
Your team Launchpad code reviewers is requested to review the proposed merge of lp:~julian-edwards/maas/node_group_model into lp:maas.
=== added file 'src/maasserver/migrations/0009_add_nodegroup.py'
--- src/maasserver/migrations/0009_add_nodegroup.py	1970-01-01 00:00:00 +0000
+++ src/maasserver/migrations/0009_add_nodegroup.py	2012-06-05 06:21:23 +0000
@@ -0,0 +1,166 @@
+# flake8: noqa
+# SKIP this file when reformatting.
+# The rest of this file was generated by South.
+
+# encoding: 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 'NodeGroup'
+        db.create_table(u'maasserver_nodegroup', (
+            ('id', self.gf('django.db.models.fields.AutoField')(primary_key=True)),
+            ('created', self.gf('django.db.models.fields.DateTimeField')()),
+            ('updated', self.gf('django.db.models.fields.DateTimeField')()),
+            ('name', self.gf('django.db.models.fields.CharField')(default=u'', unique=True, max_length=80)),
+            ('api_token', self.gf('django.db.models.fields.related.ForeignKey')(to=orm['piston.Token'], unique=True)),
+            ('api_key', self.gf('django.db.models.fields.CharField')(unique=True, max_length=18)),
+            ('worker_ip', self.gf('django.db.models.fields.IPAddressField')(unique=True, max_length=15)),
+            ('subnet_mask', self.gf('django.db.models.fields.IPAddressField')(max_length=15)),
+            ('broadcast_ip', self.gf('django.db.models.fields.IPAddressField')(max_length=15)),
+            ('router_ip', self.gf('django.db.models.fields.IPAddressField')(max_length=15)),
+            ('ip_range_low', self.gf('django.db.models.fields.IPAddressField')(unique=True, max_length=15)),
+            ('ip_range_high', self.gf('django.db.models.fields.IPAddressField')(unique=True, max_length=15)),
+        ))
+        db.send_create_signal(u'maasserver', ['NodeGroup'])
+
+
+    def backwards(self, orm):
+        
+        # Deleting model 'NodeGroup'
+        db.delete_table(u'maasserver_nodegroup')
+
+
+    models = {
+        'auth.group': {
+            'Meta': {'object_name': 'Group'},
+            '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': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'})
+        },
+        'auth.permission': {
+            'Meta': {'ordering': "('content_type__app_label', 'content_type__model', 'codename')", 'unique_together': "(('content_type', 'codename'),)", 'object_name': 'Permission'},
+            'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
+        },
+        'auth.user': {
+            'Meta': {'object_name': 'User'},
+            'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'email': ('django.db.models.fields.EmailField', [], {'unique': 'True', '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': "orm['auth.Group']", 'symmetrical': 'False', 'blank': 'True'}),
+            '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': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'}),
+            'username': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '30'})
+        },
+        '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'}),
+            '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'maasserver.config': {
+            'Meta': {'object_name': 'Config'},
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '255'}),
+            'value': ('maasserver.fields.JSONObjectField', [], {'null': 'True'})
+        },
+        u'maasserver.filestorage': {
+            'Meta': {'object_name': 'FileStorage'},
+            'data': ('django.db.models.fields.files.FileField', [], {'max_length': '255'}),
+            'filename': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '200'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'})
+        },
+        u'maasserver.macaddress': {
+            'Meta': {'object_name': 'MACAddress'},
+            'created': ('django.db.models.fields.DateTimeField', [], {}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'mac_address': ('maasserver.fields.MACAddressField', [], {'unique': 'True'}),
+            'node': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['maasserver.Node']"}),
+            'updated': ('django.db.models.fields.DateTimeField', [], {})
+        },
+        u'maasserver.node': {
+            'Meta': {'object_name': 'Node'},
+            'after_commissioning_action': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
+            'architecture': ('django.db.models.fields.CharField', [], {'default': "u'i386'", 'max_length': '10'}),
+            'created': ('django.db.models.fields.DateTimeField', [], {}),
+            'error': ('django.db.models.fields.CharField', [], {'default': "u''", 'max_length': '255', 'blank': 'True'}),
+            'hostname': ('django.db.models.fields.CharField', [], {'default': "u''", 'max_length': '255', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'owner': ('django.db.models.fields.related.ForeignKey', [], {'default': 'None', 'to': "orm['auth.User']", 'null': 'True', 'blank': 'True'}),
+            'power_parameters': ('maasserver.fields.JSONObjectField', [], {'default': "u''", 'blank': 'True'}),
+            'power_type': ('django.db.models.fields.CharField', [], {'default': "u''", 'max_length': '10', 'blank': 'True'}),
+            'status': ('django.db.models.fields.IntegerField', [], {'default': '0', 'max_length': '10'}),
+            'system_id': ('django.db.models.fields.CharField', [], {'default': "u'node-e3dbb694-aed1-11e1-84fa-002215205ce8'", 'unique': 'True', 'max_length': '41'}),
+            'token': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['piston.Token']", 'null': 'True'}),
+            'updated': ('django.db.models.fields.DateTimeField', [], {})
+        },
+        u'maasserver.nodegroup': {
+            'Meta': {'object_name': 'NodeGroup'},
+            'api_key': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '18'}),
+            'api_token': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['piston.Token']", 'unique': 'True'}),
+            'broadcast_ip': ('django.db.models.fields.IPAddressField', [], {'max_length': '15'}),
+            'created': ('django.db.models.fields.DateTimeField', [], {}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'ip_range_high': ('django.db.models.fields.IPAddressField', [], {'unique': 'True', 'max_length': '15'}),
+            'ip_range_low': ('django.db.models.fields.IPAddressField', [], {'unique': 'True', 'max_length': '15'}),
+            'name': ('django.db.models.fields.CharField', [], {'default': "u''", 'unique': 'True', 'max_length': '80'}),
+            'router_ip': ('django.db.models.fields.IPAddressField', [], {'max_length': '15'}),
+            'subnet_mask': ('django.db.models.fields.IPAddressField', [], {'max_length': '15'}),
+            'updated': ('django.db.models.fields.DateTimeField', [], {}),
+            'worker_ip': ('django.db.models.fields.IPAddressField', [], {'unique': 'True', 'max_length': '15'})
+        },
+        u'maasserver.sshkey': {
+            'Meta': {'unique_together': "((u'user', u'key'),)", 'object_name': 'SSHKey'},
+            'created': ('django.db.models.fields.DateTimeField', [], {}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'key': ('django.db.models.fields.TextField', [], {}),
+            'updated': ('django.db.models.fields.DateTimeField', [], {}),
+            'user': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']"})
+        },
+        u'maasserver.userprofile': {
+            'Meta': {'object_name': 'UserProfile'},
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'user': ('django.db.models.fields.related.OneToOneField', [], {'to': "orm['auth.User']", 'unique': 'True'})
+        },
+        'piston.consumer': {
+            'Meta': {'object_name': 'Consumer'},
+            'description': ('django.db.models.fields.TextField', [], {}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'key': ('django.db.models.fields.CharField', [], {'max_length': '18'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '255'}),
+            'secret': ('django.db.models.fields.CharField', [], {'max_length': '32'}),
+            'status': ('django.db.models.fields.CharField', [], {'default': "'pending'", 'max_length': '16'}),
+            'user': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'consumers'", 'null': 'True', 'to': "orm['auth.User']"})
+        },
+        'piston.token': {
+            'Meta': {'object_name': 'Token'},
+            'callback': ('django.db.models.fields.CharField', [], {'max_length': '255', 'null': 'True', 'blank': 'True'}),
+            'callback_confirmed': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'consumer': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['piston.Consumer']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'is_approved': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'key': ('django.db.models.fields.CharField', [], {'max_length': '18'}),
+            'secret': ('django.db.models.fields.CharField', [], {'max_length': '32'}),
+            'timestamp': ('django.db.models.fields.IntegerField', [], {'default': '1338875229L'}),
+            'token_type': ('django.db.models.fields.IntegerField', [], {}),
+            'user': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'tokens'", 'null': 'True', 'to': "orm['auth.User']"}),
+            'verifier': ('django.db.models.fields.CharField', [], {'max_length': '10'})
+        }
+    }
+
+    complete_apps = ['maasserver']

=== modified file 'src/maasserver/models/__init__.py'
--- src/maasserver/models/__init__.py	2012-05-31 20:51:10 +0000
+++ src/maasserver/models/__init__.py	2012-06-05 06:21:23 +0000
@@ -24,6 +24,7 @@
     "FileStorage",
     "NODE_TRANSITIONS",
     "Node",
+    "NodeGroup",
     "MACAddress",
     "SSHKey",
     "UserProfile",
@@ -72,6 +73,8 @@
 from maasserver.models.cleansave import CleanSave
 from maasserver.models.config import Config
 from maasserver.models.filestorage import FileStorage
+from maasserver.models.nodegroup import NodeGroup
+NodeGroup
 from maasserver.models.sshkey import SSHKey
 from maasserver.models.timestampedmodel import TimestampedModel
 from maasserver.models.userprofile import UserProfile

=== added file 'src/maasserver/models/nodegroup.py'
--- src/maasserver/models/nodegroup.py	1970-01-01 00:00:00 +0000
+++ src/maasserver/models/nodegroup.py	2012-06-05 06:21:23 +0000
@@ -0,0 +1,64 @@
+# Copyright 2012 Canonical Ltd.  This software is licensed under the
+# GNU Affero General Public License version 3 (see the file LICENSE).
+
+"""Model definition for NodeGroup which models a collection of Nodes."""
+
+from __future__ import (
+    absolute_import,
+    print_function,
+    unicode_literals,
+    )
+
+__metaclass__ = type
+__all__ = [
+    'NodeGroup',
+    'NodeGroupManager',
+    ]
+
+
+from django.db.models import (
+    CharField,
+    ForeignKey,
+    IPAddressField,
+    Manager,
+    )
+from maasserver import DefaultMeta
+from maasserver.models.timestampedmodel import TimestampedModel
+from piston.models import (
+    KEY_SIZE,
+    Token,
+    )
+
+
+class NodeGroupManager(Manager):
+    """Manager for the NodeGroup class.
+
+    Don't import or instantiate this directly; access as `<Class>.objects` on
+    the model class it manages.
+    """
+
+
+class NodeGroup(TimestampedModel):
+
+    class Meta(DefaultMeta):
+        """Needed for South to recognize this model."""
+
+    objects = NodeGroupManager()
+
+    name = CharField(
+        max_length=80, unique=True, editable=True, default="")
+
+    api_token = ForeignKey(Token, null=False, editable=False, unique=True)
+    api_key = CharField(
+        max_length=KEY_SIZE, null=False, editable=False, unique=True)
+
+    worker_ip = IPAddressField(null=False, editable=True, unique=True)
+
+    subnet_mask = IPAddressField(null=False, editable=True, unique=False)
+
+    broadcast_ip = IPAddressField(null=False, editable=True, unique=False)
+
+    router_ip = IPAddressField(null=False, editable=True, unique=False)
+
+    ip_range_low = IPAddressField(null=False, editable=True, unique=True)
+    ip_range_high = IPAddressField(null=False, editable=True, unique=True)

=== modified file 'src/maasserver/testing/factory.py'
--- src/maasserver/testing/factory.py	2012-05-23 16:32:15 +0000
+++ src/maasserver/testing/factory.py	2012-06-05 06:21:23 +0000
@@ -24,12 +24,15 @@
     NODE_STATUS,
     )
 from maasserver.models import (
+    create_auth_token,
     FileStorage,
     MACAddress,
     Node,
+    NodeGroup,
     NODE_TRANSITIONS,
     SSHKey,
     )
+from maasserver.models.nodegroup import NodeGroup
 from maasserver.testing import (
     get_data,
     reload_object,
@@ -105,6 +108,14 @@
             Node.objects.filter(id=node.id).update(created=created)
         return reload_object(node)
 
+    def make_node_group(self, api_token=None, **kwargs):
+        if api_token is None:
+            user = self.make_user()
+            api_token = create_auth_token(user)
+        ng = NodeGroup(api_token=api_token, api_key=api_token.key, **kwargs)
+        ng.save()
+        return ng
+
     def make_node_commission_result(self, node=None, name=None, data=None):
         if node is None:
             node = self.make_node()

=== added file 'src/maasserver/tests/test_nodegroup.py'
--- src/maasserver/tests/test_nodegroup.py	1970-01-01 00:00:00 +0000
+++ src/maasserver/tests/test_nodegroup.py	2012-06-05 06:21:23 +0000
@@ -0,0 +1,39 @@
+# Copyright 2012 Canonical Ltd.  This software is licensed under the
+# GNU Affero General Public License version 3 (see the file LICENSE).
+
+"""Tests for the NodeGroup model."""
+
+from __future__ import (
+    absolute_import,
+    print_function,
+    unicode_literals,
+    )
+
+__metaclass__ = type
+__all__ = []
+
+from testtools.matchers import MatchesStructure
+
+from maasserver.testing.factory import factory
+from maastesting.testcase import TestCase
+
+
+class TestNodeGroup(TestCase):
+
+    def test_model_stores_to_database(self):
+        ng = factory.make_node_group(
+            name=factory.getRandomString(80),
+            worker_ip="10.1.1.1",
+            subnet_mask="255.0.0.0",
+            broadcast_ip="10.255.255.255",
+            router_ip="10.1.1.254",
+            ip_range_low="10.1.1.2",
+            ip_range_high="10.254.254.253")
+        self.assertThat(
+            ng, MatchesStructure.byEquality(
+                worker_ip="10.1.1.1",
+                subnet_mask="255.0.0.0",
+                broadcast_ip="10.255.255.255",
+                router_ip="10.1.1.254",
+                ip_range_low="10.1.1.2",
+                ip_range_high="10.254.254.253"))