mirror of
https://github.com/ferdzo/iotDashboard.git
synced 2026-04-05 09:06:26 +00:00
74 lines
2.3 KiB
Python
74 lines
2.3 KiB
Python
"""
|
|
Database models for the IoT Dashboard.
|
|
|
|
To modify schema:
|
|
1. Edit models here
|
|
2. Run: alembic revision --autogenerate -m "description"
|
|
3. Review the generated migration in alembic/versions/
|
|
4. Run: alembic upgrade head
|
|
"""
|
|
|
|
from sqlalchemy import Boolean, Column, Float, ForeignKey, Index, Text, DateTime
|
|
from sqlalchemy.ext.declarative import declarative_base
|
|
from sqlalchemy.sql import func
|
|
|
|
Base = declarative_base()
|
|
|
|
|
|
class Device(Base):
|
|
"""IoT devices registered in the system."""
|
|
|
|
__tablename__ = "devices"
|
|
|
|
id = Column(Text, primary_key=True)
|
|
name = Column(Text, nullable=False)
|
|
location = Column(Text)
|
|
is_active = Column(Boolean, default=True)
|
|
created_at = Column(DateTime(timezone=True), server_default=func.now())
|
|
|
|
def __repr__(self):
|
|
return f"<Device(id={self.id}, name={self.name})>"
|
|
|
|
|
|
class DeviceCertificate(Base):
|
|
"""X.509 certificates issued to devices for mTLS authentication."""
|
|
|
|
__tablename__ = "device_certificates"
|
|
|
|
id = Column(Text, primary_key=True)
|
|
device_id = Column(
|
|
Text, ForeignKey("devices.id", ondelete="CASCADE"), nullable=False
|
|
)
|
|
certificate_pem = Column(Text, nullable=False)
|
|
private_key_pem = Column(Text) # Optional: for backup/escrow
|
|
issued_at = Column(DateTime(timezone=True), nullable=False)
|
|
expires_at = Column(DateTime(timezone=True), nullable=False)
|
|
revoked_at = Column(DateTime(timezone=True))
|
|
|
|
__table_args__ = (
|
|
Index("idx_device_certificates_device_id", "device_id"),
|
|
Index("idx_device_certificates_active", "device_id", "revoked_at"),
|
|
)
|
|
|
|
def __repr__(self):
|
|
return f"<DeviceCertificate(id={self.id}, device_id={self.device_id}, expires={self.expires_at})>"
|
|
|
|
|
|
class Telemetry(Base):
|
|
"""
|
|
Time-series telemetry data from devices.
|
|
"""
|
|
|
|
__tablename__ = "telemetry"
|
|
|
|
time = Column(DateTime(timezone=True), primary_key=True, nullable=False)
|
|
device_id = Column(Text, ForeignKey("devices.id"), primary_key=True, nullable=False)
|
|
metric = Column(Text, primary_key=True, nullable=False)
|
|
value = Column(Float, nullable=False)
|
|
unit = Column(Text)
|
|
|
|
__table_args__ = (Index("idx_telemetry_device_time", "device_id", "time"),)
|
|
|
|
def __repr__(self):
|
|
return f"<Telemetry(device={self.device_id}, metric={self.metric}, value={self.value})>"
|