feat: AppSetting model and migration 0004

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

fablednetmon/migrations/versions/0004_app_settings.py

@@ -0,0 +1,27 @@
+"""App settings table
+
+Revision ID: 0004_app_settings
+Revises: 0003_ansible_runs
+Create Date: 2026-03-18
+"""
+from typing import Sequence, Union
+from alembic import op
+import sqlalchemy as sa
+
+revision: str = "0004_app_settings"
+down_revision: Union[str, None] = "0003_ansible_runs"
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    op.create_table(
+        "app_settings",
+        sa.Column("key", sa.String(128), primary_key=True),
+        sa.Column("value_json", sa.Text, nullable=False),
+        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
+    )
+
+
+def downgrade() -> None:
+    op.drop_table("app_settings")

fablednetmon/models/__init__.py

@@ -5,6 +5,7 @@ from .monitors import PingResult, DnsResult, PingStatus, DnsStatus
 from .metrics import PluginMetric
 from .alerts import AlertRule, AlertState, AlertEvent, AlertOperator, AlertStateEnum
 from .ansible import AnsibleRun, AnsibleRunStatus
+from .settings import AppSetting
 
 __all__ = [
     "Base", "User",
@@ -13,4 +14,5 @@ __all__ = [
     "PluginMetric",
     "AlertRule", "AlertState", "AlertEvent", "AlertOperator", "AlertStateEnum",
     "AnsibleRun", "AnsibleRunStatus",
+    "AppSetting",
 ]

fablednetmon/models/settings.py

@@ -0,0 +1,18 @@
+from __future__ import annotations
+from datetime import datetime, timezone
+from sqlalchemy import DateTime, String, Text
+from sqlalchemy.orm import Mapped, mapped_column
+from fablednetmon.models.base import Base
+
+
+class AppSetting(Base):
+    __tablename__ = "app_settings"
+
+    key: Mapped[str] = mapped_column(String(128), primary_key=True)
+    value_json: Mapped[str] = mapped_column(Text, nullable=False)
+    updated_at: Mapped[datetime] = mapped_column(
+        DateTime(timezone=True),
+        nullable=False,
+        default=lambda: datetime.now(timezone.utc),
+        onupdate=lambda: datetime.now(timezone.utc),
+    )

plugins/traefik/migrations/versions/traefik_001_initial.py

@@ -12,7 +12,7 @@ import sqlalchemy as sa
 revision: str = "traefik_001_initial"
 down_revision: Union[str, None] = None
 branch_labels: Union[str, Sequence[str], None] = "traefik"
-depends_on: Union[str, Sequence[str], None] = ("0003_ansible_runs",)
+depends_on: Union[str, Sequence[str], None] = ("0004_app_settings",)
 
 
 def upgrade() -> None: