peter
a7d7456279
A session is one recording, capped at 60 minutes by the server. While it is open, a request naming the caller's own session in X-Debug-Session is logged at the session's level with every line tagged; a header naming anything else is ignored. The browser's batches count a session as consent to its level and keep the tag only on its own events. Screenshots are judged by their bytes, capped in size and count, and served back to their owner only. - debug_sessions / debug_screenshots tables, one open session per user (partial unique index), log_events.debug_session_id indexed - /api/debug-sessions: start (joins a running one), stop, list, get, events, screenshots; /api/me reports the live session - the hourly log job closes expired sessions and drops them with the logs - logsink.serialize and routes._common.capped_body shared by their readers
82 lines
3.1 KiB
Python
82 lines
3.1 KiB
Python
"""add debug_sessions + debug_screenshots, and index log_events.debug_session_id (E16)
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Revision ID: 0089_debug_sessions
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Revises: 0088_channels_feed_fallback_at
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Create Date: 2026-09-19
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A debug session is one recording: Start → reproduce → Stop (app/debugsession.py). Every log line
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of that user's requests while it runs carries its id in `log_events.debug_session_id` — the column
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E22 created and left NULL — and the issue it ends in is built from exactly those rows, so the column
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gets its index now. Partial: nearly every row has no session, and an index of NULLs would be most
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of the table for nothing.
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At most one OPEN session per user, held by a partial unique index rather than by the start handler
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alone: two tabs pressing Start at once would otherwise both pass a "none open" check.
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Screenshots are rows, not files: bounded (size and count per session, app/debugsession.py), gone
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with their session by cascade, and a self-host has no file volume to configure for them.
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"""
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import sqlalchemy as sa
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from alembic import op
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revision: str = "0089_debug_sessions"
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down_revision: str | None = "0088_channels_feed_fallback_at"
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branch_labels: str | None = None
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depends_on: str | None = None
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def upgrade() -> None:
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op.create_table(
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"debug_sessions",
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sa.Column("id", sa.String(16), primary_key=True),
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sa.Column(
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"user_id",
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sa.Integer,
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sa.ForeignKey("users.id", ondelete="CASCADE"),
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nullable=False,
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index=True,
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),
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sa.Column("level", sa.String(8), nullable=False),
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sa.Column("started_at", sa.DateTime(timezone=True), nullable=False),
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sa.Column("until", sa.DateTime(timezone=True), nullable=False),
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sa.Column("ended_at", sa.DateTime(timezone=True), nullable=True),
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sa.Column("ended_reason", sa.String(16), nullable=True),
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sa.Column("issue_url", sa.String(512), nullable=True),
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)
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op.create_index(
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"uq_debug_sessions_open_per_user",
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"debug_sessions",
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["user_id"],
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unique=True,
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postgresql_where=sa.text("ended_at IS NULL"),
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)
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op.create_table(
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"debug_screenshots",
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sa.Column("id", sa.Integer, primary_key=True),
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sa.Column(
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"session_id",
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sa.String(16),
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sa.ForeignKey("debug_sessions.id", ondelete="CASCADE"),
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nullable=False,
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index=True,
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),
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sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
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sa.Column("mime", sa.String(16), nullable=False),
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sa.Column("size", sa.Integer, nullable=False),
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sa.Column("data", sa.LargeBinary, nullable=False),
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)
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op.create_index(
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"ix_log_events_debug_session",
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"log_events",
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["debug_session_id"],
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postgresql_where=sa.text("debug_session_id IS NOT NULL"),
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)
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def downgrade() -> None:
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op.drop_index("ix_log_events_debug_session", table_name="log_events")
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op.drop_table("debug_screenshots")
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op.drop_index("uq_debug_sessions_open_per_user", table_name="debug_sessions")
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op.drop_table("debug_sessions")
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