peter
13b7577d9f
- The channel-backfill row says "running" from the runs this process has open, not from the table: a row whose outcome failed to write no longer reads as running until a restart. The run still going leads the row, so a newer run's outcome never sits under the older one's channel. - Migration 0109's downgrade carries every run's trigger, spend and start in the audit row, and the upgrade restores them: a manual run whose admin was deleted stays manual. - Back/Forward is read by the page's one popstate listener, both halves in one render; the server log adopts its half during that render, so no read goes out with one entry's filters and the other's range. - The server log's failed facets use the other tabs' words (the menus may be short); the accounts message shows only when the menu really lacks them.
155 lines
7.0 KiB
Python
155 lines
7.0 KiB
Python
"""Background runs get a durable history
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Revision ID: 0109_job_runs
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Revises: 0108_folder_links
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Create Date: 2026-10-17
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What a scheduler job last did lived in the API process's memory, gone at every restart; the audit
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log kept a row for a run only when it was manual, failed, or changed something. Now every run is a
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`job_runs` row, written when it starts and when it ends. A run's quota spend points at it
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(`quota_events.job_run_id`), and so do the lines it logged (`log_events.run_id`, no foreign key: the
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log writer runs behind the event).
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Runs are not admin actions, so the audit log stops carrying them: the existing `job_run` audit rows
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MOVE into `job_runs` (start = end = when the row was written, the only time it kept), and leave the
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audit log. The downgrade moves every run back into the audit log as such a row (one still running as
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interrupted, what the audit row has no column for in its `after`), then drops the table.
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"""
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import sqlalchemy as sa
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from alembic import op
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from sqlalchemy.dialects import postgresql
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revision: str = "0109_job_runs"
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down_revision: str | None = "0108_folder_links"
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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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"job_runs",
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sa.Column("id", sa.BigInteger(), primary_key=True),
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sa.Column("job", sa.String(40), nullable=False),
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sa.Column("trigger", sa.String(16), nullable=False),
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sa.Column("actor_id", sa.Integer(), sa.ForeignKey("users.id", ondelete="SET NULL")),
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sa.Column("target", sa.String(128)),
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sa.Column("status", sa.String(16), nullable=False),
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sa.Column("started_at", sa.DateTime(timezone=True), nullable=False),
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sa.Column("finished_at", sa.DateTime(timezone=True)),
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sa.Column("summary", sa.Text()),
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sa.Column("result", postgresql.JSONB()),
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sa.Column("error", sa.Text()),
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sa.Column("failure", postgresql.JSONB()),
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sa.Column("quota_units", sa.Integer(), nullable=False, server_default="0"),
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sa.CheckConstraint(
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"status IN ('running', 'ok', 'error', 'skipped', 'interrupted')",
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name="ck_job_runs_status",
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),
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sa.CheckConstraint(
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"trigger IN ('scheduled', 'manual', 'ad_hoc')", name="ck_job_runs_trigger"
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),
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sa.CheckConstraint(
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"(status = 'running') = (finished_at IS NULL)", name="ck_job_runs_finished"
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),
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)
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op.create_index("ix_job_runs_job_started", "job_runs", ["job", "started_at"])
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op.create_index("ix_job_runs_actor_id", "job_runs", ["actor_id"])
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op.create_index("ix_job_runs_started_at", "job_runs", ["started_at"])
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op.add_column(
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"quota_events",
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sa.Column("job_run_id", sa.BigInteger(), sa.ForeignKey("job_runs.id", ondelete="SET NULL")),
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)
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op.create_index("ix_quota_events_job_run_id", "quota_events", ["job_run_id"])
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op.add_column("log_events", sa.Column("run_id", sa.BigInteger()))
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op.create_index(
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"ix_log_events_run",
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"log_events",
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["run_id"],
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postgresql_where=sa.text("run_id IS NOT NULL"),
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)
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# The audit trail's runs move over: the three statuses the scheduler wrote, and `interrupted`,
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# which a downgrade writes back (as it does a run's trigger, target, spend and start, which the
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# audit row has no column for: its actor alone cannot say "manual" once that admin is deleted),
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# so a rollback and a redeploy keep every run as it was. A status the run table does
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# not know would fail the CHECK.
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op.execute(
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"""
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INSERT INTO job_runs (job, trigger, actor_id, target, status, started_at, finished_at,
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summary, result, error, failure, quota_units)
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SELECT target_id,
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coalesce(after::jsonb ->> 'trigger',
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CASE WHEN actor_id IS NULL THEN 'scheduled' ELSE 'manual' END),
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actor_id,
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after::jsonb ->> 'target',
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after::jsonb ->> 'status',
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coalesce((after::jsonb ->> 'started_at')::timestamptz, created_at),
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created_at,
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CASE WHEN after::jsonb ->> 'status' <> 'error' THEN after::jsonb ->> 'summary' END,
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CASE WHEN after::jsonb ->> 'status' <> 'error' THEN after::jsonb -> 'result' END,
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CASE WHEN after::jsonb ->> 'status' = 'error' THEN after::jsonb ->> 'summary' END,
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CASE WHEN after::jsonb ->> 'status' = 'error' THEN after::jsonb -> 'result' END,
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coalesce((after::jsonb ->> 'quota_units')::int, 0)
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FROM audit_log
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WHERE action = 'job_run'
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AND target_id IS NOT NULL
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AND after::jsonb ->> 'status' IN ('ok', 'error', 'skipped', 'interrupted')
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ORDER BY id
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"""
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)
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op.execute(
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"""
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DELETE FROM audit_log
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WHERE action = 'job_run'
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AND target_id IS NOT NULL
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AND after::jsonb ->> 'status' IN ('ok', 'error', 'skipped', 'interrupted')
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"""
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)
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def downgrade() -> None:
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# A run still `running` is one the rollback stopped: it goes back as interrupted. What the audit
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# row's own columns cannot say rides in `after` (its trigger, target, spend and start), so the
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# upgrade restores them.
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op.execute(
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"""
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INSERT INTO audit_log (actor_id, action, target_type, target_id, summary, after, created_at)
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SELECT actor_id,
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'job_run',
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'job',
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job,
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left(job || ': ' || st
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|| coalesce(' — ' || CASE WHEN st = 'error' THEN error ELSE summary END, ''),
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255),
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(jsonb_build_object(
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'status', st,
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'summary', CASE WHEN st = 'error' THEN error ELSE summary END)
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|| CASE
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WHEN st = 'error' AND failure IS NOT NULL
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THEN jsonb_build_object('result', failure)
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WHEN st <> 'error' AND result IS NOT NULL
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THEN jsonb_build_object('result', result)
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ELSE '{}'::jsonb
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END
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|| jsonb_build_object('trigger', trigger, 'quota_units', quota_units,
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'started_at', started_at)
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|| CASE WHEN target IS NOT NULL
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THEN jsonb_build_object('target', target) ELSE '{}'::jsonb END)::json,
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coalesce(finished_at, started_at)
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FROM (SELECT *, CASE WHEN status = 'running' THEN 'interrupted' ELSE status END AS st
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FROM job_runs) AS r
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ORDER BY id
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"""
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)
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op.drop_index("ix_log_events_run", table_name="log_events")
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op.drop_column("log_events", "run_id")
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op.drop_index("ix_quota_events_job_run_id", table_name="quota_events")
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op.drop_column("quota_events", "job_run_id")
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op.drop_index("ix_job_runs_started_at", table_name="job_runs")
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op.drop_index("ix_job_runs_actor_id", table_name="job_runs")
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op.drop_index("ix_job_runs_job_started", table_name="job_runs")
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op.drop_table("job_runs")
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