nessi
4035335901
This commit introduces alert management capabilities, including creating, updating, listing, and removing custom SQL-based alerts in the backend. It adds the necessary database migrations, API endpoints, and frontend pages to manage alerts, enabling users to define thresholds and monitor system health effectively.
44 lines
1.9 KiB
Python
44 lines
1.9 KiB
Python
"""add alert definitions
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Revision ID: 0002_alert_definitions
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Revises: 0001_init
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Create Date: 2026-02-12
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"""
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from alembic import op
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import sqlalchemy as sa
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revision = "0002_alert_definitions"
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down_revision = "0001_init"
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branch_labels = None
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depends_on = None
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def upgrade() -> None:
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op.create_table(
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"alert_definitions",
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sa.Column("id", sa.Integer(), primary_key=True),
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sa.Column("name", sa.String(length=160), nullable=False),
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sa.Column("description", sa.Text(), nullable=True),
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sa.Column("target_id", sa.Integer(), sa.ForeignKey("targets.id", ondelete="CASCADE"), nullable=True),
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sa.Column("sql_text", sa.Text(), nullable=False),
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sa.Column("comparison", sa.String(length=10), nullable=False, server_default="gte"),
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sa.Column("warning_threshold", sa.Float(), nullable=True),
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sa.Column("alert_threshold", sa.Float(), nullable=False),
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sa.Column("enabled", sa.Boolean(), nullable=False, server_default=sa.text("true")),
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sa.Column("created_by_user_id", sa.Integer(), sa.ForeignKey("users.id"), nullable=True),
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sa.Column("created_at", sa.DateTime(timezone=True), nullable=False, server_default=sa.func.now()),
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sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False, server_default=sa.func.now()),
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)
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op.create_index("ix_alert_definitions_target_id", "alert_definitions", ["target_id"])
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op.create_index("ix_alert_definitions_created_by_user_id", "alert_definitions", ["created_by_user_id"])
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op.create_index("ix_alert_definitions_created_at", "alert_definitions", ["created_at"])
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def downgrade() -> None:
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op.drop_index("ix_alert_definitions_created_at", table_name="alert_definitions")
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op.drop_index("ix_alert_definitions_created_by_user_id", table_name="alert_definitions")
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op.drop_index("ix_alert_definitions_target_id", table_name="alert_definitions")
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op.drop_table("alert_definitions")
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