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refactor web pagination and add partitioned events, flap/timeout showcase agents

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This commit is contained in:
Stanislav Rossovskii
2026-05-27 18:23:31 +04:00
parent d5f312f200
commit a2e88b4e76
46 changed files with 1600 additions and 742 deletions
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25
server/alembic/versions/0001_baseline.py
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@@ -50,10 +50,12 @@ def upgrade() -> None:
)
op.execute("CREATE INDEX checks_status_idx ON checks (status);")
# events: partitioned by RANGE(received_at). Partition key is part of PK per Postgres.
# Global idempotency by event_id is enforced via event_ingest_dedup, not this table.
op.execute(
"""
CREATE TABLE events (
event_id UUID PRIMARY KEY,
event_id UUID NOT NULL,
agent_id TEXT NOT NULL,
check_id TEXT NOT NULL,
observed_at TIMESTAMPTZ NOT NULL,
@@ -64,14 +66,30 @@ def upgrade() -> None:
output TEXT,
output_truncated BOOLEAN NOT NULL DEFAULT FALSE,
notifications_enabled BOOLEAN NOT NULL DEFAULT TRUE,
incident_key TEXT NOT NULL
);
incident_key TEXT NOT NULL,
PRIMARY KEY (event_id, received_at)
) PARTITION BY RANGE (received_at);
"""
)
op.execute(
"CREATE INDEX events_agent_check_observed_idx ON events (agent_id, check_id, observed_at DESC);"
)
op.execute("CREATE INDEX events_observed_at_idx ON events (observed_at DESC);")
op.execute("CREATE INDEX events_received_at_idx ON events (received_at DESC);")
# Global idempotency table: server enforces event_id uniqueness here, not on the
# partitioned events table. Pruned by retention TTL (event_dedup_retention_days).
op.execute(
"""
CREATE TABLE event_ingest_dedup (
event_id UUID PRIMARY KEY,
received_at TIMESTAMPTZ NOT NULL DEFAULT now()
);
"""
)
op.execute(
"CREATE INDEX event_ingest_dedup_received_at_idx ON event_ingest_dedup (received_at);"
)
op.execute(
"""
@@ -119,6 +137,7 @@ def upgrade() -> None:
def downgrade() -> None:
op.execute("DROP TABLE IF EXISTS notification_outbox CASCADE;")
op.execute("DROP TABLE IF EXISTS incidents CASCADE;")
op.execute("DROP TABLE IF EXISTS event_ingest_dedup CASCADE;")
op.execute("DROP TABLE IF EXISTS events CASCADE;")
op.execute("DROP TABLE IF EXISTS checks CASCADE;")
op.execute("DROP TABLE IF EXISTS agents CASCADE;")