fix: add function to find new gid/uid (#352)

adminsec/tests/test_views_api.py

@@ -638,7 +638,7 @@ def test_get_succeed(self):
         expected = {
             "hpc_users": [
                 {
-                    "uid": self.hpcuser_user.user.uid,
+                    "uid": self.hpcuser_user.uid,
                     "email": self.hpcuser_user.user.email,
                     "full_name": "User Name",
                     "first_name": self.hpcuser_user.user.first_name,
@@ -694,7 +694,7 @@ def test_get_succeed_alumni(self):
         expected = {
             "hpc_users": [
                 {
-                    "uid": self.hpcuser_user.user.uid,
+                    "uid": self.hpcuser_user.uid,
                     "email": self.hpcuser_user.user.email,
                     "full_name": "User Name",
                     "first_name": self.hpcuser_user.user.first_name,

adminsec/views.py

@@ -73,6 +73,9 @@
     HpcUserCreateRequest,
     HpcUserDeleteRequest,
     TermsAndConditions,
+    get_next_hpcgroup_gid,
+    get_next_hpcproject_gid,
+    get_next_hpcuser_uid,
 )
 from usersec.views import (
     MSG_PART_GROUP_CREATION,
@@ -370,6 +373,7 @@ def post(self, request, *args, **kwargs):
             description=obj.description,
             creator=self.request.user,
             name=obj.name,
+            gid=get_next_hpcgroup_gid(),
             folders=obj.folders,
             expiration=obj.expiration,
         )
@@ -384,6 +388,7 @@ def post(self, request, *args, **kwargs):
             creator=self.request.user,
             description="PI, created together with accepting the group request.",
             username=username,
+            uid=get_next_hpcuser_uid(),
             status=OBJECT_STATUS_ACTIVE,
             expiration=datetime(year=timezone.now().year + 1, month=1, day=31),
             home_directory=DEFAULT_HOME_DIRECTORY.format(username=username),
@@ -953,6 +958,7 @@ def post(self, request, *args, **kwargs):
             project = HpcProject.objects.create_with_version(
                 group=obj.group,
                 name=obj.name,
+                gid=get_next_hpcproject_gid(),
                 folders=obj.folders,
                 description=obj.description,
                 resources_requested=obj.resources_requested,

usersec/migrations/0031_hpcuser_uid_hpcuserversion_uid.py

@@ -0,0 +1,27 @@
+# Generated by Django 4.2.17 on 2024-12-12 13:30
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("usersec", "0030_alter_hpcgroupchangerequest_status_and_more"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="hpcuser",
+            name="uid",
+            field=models.IntegerField(
+                help_text="Id of the user on the cluster", null=True
+            ),
+        ),
+        migrations.AddField(
+            model_name="hpcuserversion",
+            name="uid",
+            field=models.IntegerField(
+                help_text="Id of the user on the cluster", null=True
+            ),
+        ),
+    ]

usersec/models.py

@@ -108,6 +108,28 @@
 RE_EMAIL = r"^\S+@\S+\.\S+$"
 
 
+def _get_next_id(model, id_type):
+    _id = 0
+    for o in model.objects.all():
+        if getattr(o, id_type) is None:
+            continue
+        if getattr(o, id_type) > _id:
+            _id = getattr(o, id_type)
+    return _id + 1
+
+
+def get_next_hpcuser_uid():
+    return _get_next_id(HpcUser, "uid")
+
+
+def get_next_hpcgroup_gid():
+    return _get_next_id(HpcGroup, "gid")
+
+
+def get_next_hpcproject_gid():
+    return _get_next_id(HpcProject, "gid")
+
+
 # ------------------------------------------------------------------------------
 # Mixins
 # ------------------------------------------------------------------------------
@@ -581,6 +603,9 @@ class Meta:
     #: POSIX username on the cluster.
     username = models.CharField(max_length=32, help_text="Username of the user on the cluster")
 
+    #: POSIX id of the user on the cluster.
+    uid = models.IntegerField(null=True, help_text="Id of the user on the cluster")
+
     #: Expiration date of the user account
     expiration = models.DateTimeField(help_text="Expiration date of the user account")
 
@@ -658,8 +683,8 @@ def __repr__(self):
             f"id={self.id},"
             f"user={self.user.username if self.user else None},"
             f"username={self.username},"
-            f"uid={self.user.uid if self.user else None},"
-            f"primary_group={self.primary_group.name},"
+            f"uid={self.uid},"
+            f"primary_group={self.primary_group.name if self.primary_group else None},"
             f"status={self.status},"
             f"creator={self.creator.username if self.creator else None},"
             f"current_version={self.current_version})"
@@ -725,7 +750,7 @@ def __repr__(self):
             f"user={self.user.username if self.user else None},"
             f"username={self.username},"
             f"uid={self.uid},"
-            f"primary_group={self.primary_group.name},"
+            f"primary_group={self.primary_group.name if self.primary_group else None},"
             f"status={self.status},"
             f"creator={self.creator.username if self.creator else None},"
             f"version={self.version})"

usersec/serializers.py

@@ -38,7 +38,7 @@ class HpcUserAbstractSerializer(HpcObjectAbstractSerializer):
     resources_used = serializers.JSONField()
     status = serializers.CharField(read_only=True)
     description = serializers.CharField(read_only=True)
-    uid = serializers.SerializerMethodField()
+    uid = serializers.IntegerField(read_only=True)
     username = serializers.CharField(read_only=True)
     expiration = serializers.DateTimeField(read_only=True)
     email = serializers.SerializerMethodField()
@@ -65,9 +65,6 @@ def get_first_name(self, obj) -> Optional[str]:
     def get_phone_number(self, obj) -> Optional[str]:
         return obj.user.phone
 
-    def get_uid(self, obj) -> Optional[int]:
-        return obj.user.uid
-
     class Meta:
         fields = HpcObjectAbstractSerializer.Meta.fields + [
             "email",

usersec/tests/factories.py

@@ -176,7 +176,7 @@ class Meta:
     }
     description = "this is a group"
     creator = factory.SubFactory(UserFactory)  # User
-    gid = 2000
+    gid = 5000
     name = factory.Sequence(lambda n: f"group{n}")
     folders = {
         "tier1_scratch": "/data/scratch/group",
@@ -242,6 +242,7 @@ class Meta:
     creator = factory.SubFactory(UserFactory)  # User
     description = "this is a user"
     username = factory.Sequence(lambda n: f"user{n}_" + settings.INSTITUTE_USERNAME_SUFFIX)
+    uid = 2000
     expiration = datetime(2050, 1, 1, tzinfo=utc)
     home_directory = factory.LazyAttribute(lambda o: f"/data/cephfs-1/home/users/{o.username}")
 
@@ -309,7 +310,7 @@ class Meta:
     creator = factory.SubFactory(UserFactory)  # User
     delegate = None  # HpcUser
     description = "this is a project"
-    gid = 5000
+    gid = 6000
     name = factory.Sequence(lambda n: f"hpc-project{n}")
     folders = {
         "tier1_scratch": "/data/scratch/project",

usersec/tests/snapshots/snap_test_serializers.py

@@ -6,74 +6,6 @@
 
 snapshots = Snapshot()
 
-snapshots["TestHcpaccessStatus::testSerializerExisting 1"] = {
-    "hpc_groups": [
-        {
-            "delegate": None,
-            "description": "this is a group",
-            "expiration": "2050-01-01T00:00:00Z",
-            "folders": {
-                "tier1_scratch": "/data/scratch/group",
-                "tier1_work": "/data/work/group",
-                "tier2_mirrored": "/data/mirrored/group",
-                "tier2_unmirrored": "/data/unmirrored/group",
-            },
-            "gid": 2000,
-            "name": "group0",
-            "owner": None,
-            "resources_requested": {
-                "tier1_scratch": 1,
-                "tier1_work": 1,
-                "tier2_mirrored": 0,
-                "tier2_unmirrored": 0,
-            },
-            "status": "INITIAL",
-        }
-    ],
-    "hpc_projects": [
-        {
-            "delegate": None,
-            "description": "this is a project",
-            "expiration": "2050-01-01T00:00:00Z",
-            "folders": {
-                "tier1_scratch": "/data/scratch/project",
-                "tier1_work": "/data/work/project",
-                "tier2_mirrored": "/data/mirrored/project",
-                "tier2_unmirrored": "/data/unmirrored/project",
-            },
-            "gid": 5000,
-            "group": "group0",
-            "members": [],
-            "name": "hpc-project0",
-            "resources_requested": {
-                "tier1_scratch": 1,
-                "tier1_work": 1,
-                "tier2_mirrored": 0,
-                "tier2_unmirrored": 0,
-            },
-            "status": "INITIAL",
-        }
-    ],
-    "hpc_users": [
-        {
-            "description": "this is a user",
-            "email": "email_placeholder",
-            "expiration": "2050-01-01T00:00:00Z",
-            "first_name": "first_name_placeholder",
-            "full_name": "name_placeholder",
-            "home_directory": "/data/cephfs-1/home/users/user0_c",
-            "last_name": "last_name_placeholder",
-            "login_shell": "/usr/bin/bash",
-            "phone_number": "phone_number_placeholder",
-            "primary_group": "primary_group_name_placeholder",
-            "resources_requested": {"tier1_home": 1.0},
-            "status": "INITIAL",
-            "uid": 2000,
-            "username": "user0_c",
-        }
-    ],
-}
-
 snapshots["TestHpcGroupCreateRequestSerializer::testSerializerExisting 1"] = {
     "current_version": 1,
     "date_created": "2019-01-01T00:00:00Z",
@@ -97,7 +29,7 @@
         "tier2_mirrored": "/data/mirrored/group",
         "tier2_unmirrored": "/data/unmirrored/group",
     },
-    "gid": 2000,
+    "gid": 5000,
     "name": "group0",
     "owner": None,
     "resources_requested": {
@@ -126,7 +58,7 @@
         "tier2_mirrored": "/data/mirrored/group",
         "tier2_unmirrored": "/data/unmirrored/group",
     },
-    "gid": 2000,
+    "gid": 5000,
     "name": "group0",
     "owner": None,
     "resources_requested": {
@@ -164,7 +96,7 @@
         "tier2_mirrored": "/data/mirrored/project",
         "tier2_unmirrored": "/data/unmirrored/project",
     },
-    "gid": 5000,
+    "gid": 6000,
     "group": "group_uuid_placeholder",
     "members": [],
     "name": "hpc-project0",
@@ -194,7 +126,7 @@
         "tier2_mirrored": "/data/mirrored/project",
         "tier2_unmirrored": "/data/unmirrored/project",
     },
-    "gid": 5000,
+    "gid": 6000,
     "group": "group_name_placeholder",
     "members": [],
     "name": "hpc-project0",

usersec/tests/test_models.py

@@ -47,6 +47,9 @@
     HpcUserDeleteRequestVersion,
     HpcUserVersion,
     TermsAndConditions,
+    get_next_hpcgroup_gid,
+    get_next_hpcproject_gid,
+    get_next_hpcuser_uid,
     parse_email,
     user_active,
 )
@@ -488,6 +491,35 @@ def _test_has_pending_requests_false(self):
         self.assertFalse(obj.has_pending_requests())
 
 
+class TestGetNextIdFunctions(TestCase):
+    def test_get_next_hpcuser_id(self):
+        HpcUserFactory(uid=2000)
+        HpcUserFactory(uid=2002)
+        self.assertEqual(get_next_hpcuser_uid(), 2003)
+
+    def test_get_next_hpcuser_id_all_none(self):
+        HpcUserFactory(uid=None)
+        self.assertEqual(get_next_hpcuser_uid(), 1)
+
+    def test_get_next_hpcgroup_id(self):
+        HpcGroupFactory(gid=5000)
+        HpcGroupFactory(gid=5002)
+        self.assertEqual(get_next_hpcgroup_gid(), 5003)
+
+    def test_get_next_hpcgroup_id_all_none(self):
+        HpcGroupFactory(gid=None)
+        self.assertEqual(get_next_hpcgroup_gid(), 1)
+
+    def test_get_next_hpcproject_id(self):
+        HpcProjectFactory(gid=6000)
+        HpcProjectFactory(gid=6002)
+        self.assertEqual(get_next_hpcproject_gid(), 6003)
+
+    def test_get_next_hpcproject_id_all_none(self):
+        HpcProjectFactory(gid=None)
+        self.assertEqual(get_next_hpcproject_gid(), 1)
+
+
 class TestHpcUser(VersionTesterMixin, PendingRequestTesterMixin, TestCase):
     """Tests for HpcUser model"""
 

usersec/tests/test_serializers.py

@@ -46,7 +46,6 @@ def testSerializerExisting(self):
         result["full_name"] = "name_placeholder"
         result["first_name"] = "first_name_placeholder"
         result["last_name"] = "last_name_placeholder"
-        result["uid"] = 2000
         self.assertMatchSnapshot(result)
 
 
@@ -124,7 +123,6 @@ def testSerializerExisting(self):
         result["full_name"] = "name_placeholder"
         result["first_name"] = "first_name_placeholder"
         result["last_name"] = "last_name_placeholder"
-        result["uid"] = 2000
         self.assertMatchSnapshot(result)
 
 

usersec/views.py

@@ -66,6 +66,7 @@
     HpcUserCreateRequest,
     HpcUserDeleteRequest,
     TermsAndConditions,
+    get_next_hpcuser_uid,
 )
 
 # -----------------------------------------------------------------------------
@@ -1824,6 +1825,7 @@ def get(self, request, *args, **kwargs):
                 resources_requested=obj.hpcusercreaterequest.resources_requested,
                 creator=obj.hpcusercreaterequest.editor,
                 username=username,
+                uid=get_next_hpcuser_uid(),
                 status=OBJECT_STATUS_ACTIVE,
                 expiration=obj.hpcusercreaterequest.expiration,
                 home_directory=DEFAULT_HOME_DIRECTORY.format(username=username),