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migrations/versions/0001_initial.py

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+"""initial
+
+Revision ID: 0001
+Revises: 
+Create Date: 2026-03-05
+"""
+
+from alembic import op
+import sqlalchemy as sa
+
+
+revision = "0001"
+down_revision = None
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.create_table(
+        "roles",
+        sa.Column("id", sa.Integer(), primary_key=True),
+        sa.Column("name", sa.String(length=32), nullable=False, unique=True),
+    )
+
+    op.create_table(
+        "users",
+        sa.Column("id", sa.Integer(), primary_key=True),
+        sa.Column("email", sa.String(length=255), nullable=False),
+        sa.Column("password_hash", sa.String(length=255), nullable=False),
+        sa.Column("role_id", sa.Integer(), sa.ForeignKey("roles.id"), nullable=False),
+        sa.Column("created_at", sa.DateTime(), nullable=False),
+        sa.Column("is_active_flag", sa.Boolean(), nullable=False),
+    )
+    op.create_index("ix_users_email", "users", ["email"], unique=True)
+
+    op.create_table(
+        "devices",
+        sa.Column("id", sa.Integer(), primary_key=True),
+        sa.Column("owner_id", sa.Integer(), sa.ForeignKey("users.id"), nullable=False),
+        sa.Column("name", sa.String(length=120), nullable=False),
+        sa.Column("host", sa.String(length=255), nullable=False),
+        sa.Column("rest_port", sa.Integer(), nullable=False),
+        sa.Column("rest_base_path", sa.String(length=64), nullable=False),
+        sa.Column("api_enabled", sa.Boolean(), nullable=False),
+        sa.Column("ssh_enabled", sa.Boolean(), nullable=False),
+        sa.Column("ssh_port", sa.Integer(), nullable=False),
+        sa.Column("allow_insecure_tls", sa.Boolean(), nullable=False),
+        sa.Column("enc_credentials", sa.Text(), nullable=True),
+        sa.Column("last_seen_at", sa.DateTime(), nullable=True),
+        sa.Column("last_error", sa.Text(), nullable=True),
+        sa.Column("created_at", sa.DateTime(), nullable=False),
+    )
+    op.create_index("ix_devices_owner_name", "devices", ["owner_id", "name"])
+
+    op.create_table(
+        "dashboards",
+        sa.Column("id", sa.Integer(), primary_key=True),
+        sa.Column("owner_id", sa.Integer(), sa.ForeignKey("users.id"), nullable=False),
+        sa.Column("name", sa.String(length=120), nullable=False),
+        sa.Column("description", sa.String(length=500), nullable=True),
+        sa.Column("layout", sa.Text(), nullable=True),
+        sa.Column("created_at", sa.DateTime(), nullable=False),
+    )
+
+    op.create_table(
+        "widgets",
+        sa.Column("id", sa.Integer(), primary_key=True),
+        sa.Column("dashboard_id", sa.Integer(), sa.ForeignKey("dashboards.id"), nullable=False),
+        sa.Column("device_id", sa.Integer(), sa.ForeignKey("devices.id"), nullable=False),
+        sa.Column("title", sa.String(length=120), nullable=False),
+        sa.Column("widget_type", sa.String(length=64), nullable=False),
+        sa.Column("preset_key", sa.String(length=64), nullable=True),
+        sa.Column("query_json", sa.Text(), nullable=False),
+        sa.Column("refresh_seconds", sa.Integer(), nullable=False),
+        sa.Column("series_config", sa.Text(), nullable=True),
+        sa.Column("col_span", sa.Integer(), nullable=False, server_default="6"),
+        sa.Column("height_px", sa.Integer(), nullable=False, server_default="260"),
+        sa.Column("is_enabled", sa.Boolean(), nullable=False),
+        sa.Column("created_at", sa.DateTime(), nullable=False),
+    )
+    op.create_index("ix_widgets_dashboard_id", "widgets", ["dashboard_id"])
+    op.create_index("ix_widgets_device_id", "widgets", ["device_id"])
+
+    op.create_table(
+        "shares",
+        sa.Column("id", sa.Integer(), primary_key=True),
+        sa.Column("target_type", sa.String(length=16), nullable=False),
+        sa.Column("target_id", sa.Integer(), nullable=False),
+        sa.Column("user_id", sa.Integer(), sa.ForeignKey("users.id"), nullable=False),
+        sa.Column("permission", sa.String(length=16), nullable=False),
+        sa.Column("created_at", sa.DateTime(), nullable=False),
+        sa.UniqueConstraint("target_type","target_id","user_id",name="uq_share_target_user"),
+    )
+    op.create_index("ix_shares_target", "shares", ["target_type","target_id"])
+
+    op.create_table(
+        "public_links",
+        sa.Column("id", sa.Integer(), primary_key=True),
+        sa.Column("token", sa.String(length=64), nullable=False),
+        sa.Column("target_type", sa.String(length=16), nullable=False),
+        sa.Column("target_id", sa.Integer(), nullable=False),
+        sa.Column("read_only", sa.Boolean(), nullable=False),
+        sa.Column("expires_at", sa.DateTime(), nullable=True),
+        sa.Column("created_at", sa.DateTime(), nullable=False),
+    )
+    op.create_index("ix_public_links_token", "public_links", ["token"], unique=True)
+    op.create_index("ix_public_links_target", "public_links", ["target_type","target_id"])
+
+    op.create_table(
+        "password_reset_tokens",
+        sa.Column("id", sa.Integer(), primary_key=True),
+        sa.Column("user_id", sa.Integer(), sa.ForeignKey("users.id"), nullable=False),
+        sa.Column("token", sa.String(length=128), nullable=False),
+        sa.Column("expires_at", sa.DateTime(), nullable=False),
+        sa.Column("used_at", sa.DateTime(), nullable=True),
+        sa.Column("created_at", sa.DateTime(), nullable=False),
+    )
+    op.create_index("ix_password_reset_tokens_user_id", "password_reset_tokens", ["user_id"])
+    op.create_index("ix_password_reset_tokens_token", "password_reset_tokens", ["token"], unique=True)
+
+    op.create_table(
+        "audit_logs",
+        sa.Column("id", sa.Integer(), primary_key=True),
+        sa.Column("actor_user_id", sa.Integer(), sa.ForeignKey("users.id"), nullable=True),
+        sa.Column("action", sa.String(length=64), nullable=False),
+        sa.Column("target_type", sa.String(length=32), nullable=True),
+        sa.Column("target_id", sa.Integer(), nullable=True),
+        sa.Column("details", sa.Text(), nullable=True),
+        sa.Column("request_id", sa.String(length=64), nullable=True),
+        sa.Column("ip", sa.String(length=64), nullable=True),
+        sa.Column("created_at", sa.DateTime(), nullable=False),
+    )
+    op.create_index("ix_audit_logs_actor_user_id", "audit_logs", ["actor_user_id"])
+
+    op.create_table(
+        "metrics_last_values",
+        sa.Column("id", sa.Integer(), primary_key=True),
+        sa.Column("device_id", sa.Integer(), sa.ForeignKey("devices.id"), nullable=False),
+        sa.Column("widget_id", sa.Integer(), sa.ForeignKey("widgets.id"), nullable=True),
+        sa.Column("key", sa.String(length=128), nullable=False),
+        sa.Column("value_json", sa.Text(), nullable=False),
+        sa.Column("ts", sa.DateTime(), nullable=False),
+    )
+    op.create_index("ix_metrics_last_device_key", "metrics_last_values", ["device_id","key"])
+
+    # sessions table for Flask-Session (SQLAlchemy backend)
+    op.create_table(
+        "sessions",
+        sa.Column("id", sa.Integer, primary_key=True),
+        sa.Column("session_id", sa.String(255), unique=True, nullable=False),
+        sa.Column("data", sa.LargeBinary, nullable=False),
+        sa.Column("expiry", sa.DateTime, nullable=False),
+    )
+
+def downgrade():
+    op.drop_table("sessions")
+    op.drop_index("ix_metrics_last_device_key", table_name="metrics_last_values")
+    op.drop_table("metrics_last_values")
+    op.drop_index("ix_audit_logs_actor_user_id", table_name="audit_logs")
+    op.drop_table("audit_logs")
+    op.drop_index("ix_password_reset_tokens_token", table_name="password_reset_tokens")
+    op.drop_index("ix_password_reset_tokens_user_id", table_name="password_reset_tokens")
+    op.drop_table("password_reset_tokens")
+    op.drop_index("ix_public_links_target", table_name="public_links")
+    op.drop_index("ix_public_links_token", table_name="public_links")
+    op.drop_table("public_links")
+    op.drop_index("ix_shares_target", table_name="shares")
+    op.drop_table("shares")
+    op.drop_index("ix_widgets_device_id", table_name="widgets")
+    op.drop_index("ix_widgets_dashboard_id", table_name="widgets")
+    op.drop_table("widgets")
+    op.drop_table("dashboards")
+    op.drop_index("ix_devices_owner_name", table_name="devices")
+    op.drop_table("devices")
+    op.drop_index("ix_users_email", table_name="users")
+    op.drop_table("users")
+    op.drop_table("roles")