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fix(mam-api): add last_seen_at to cluster_nodes for playout failover

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Playout failover queries cluster_nodes.last_seen_at to find healthy nodes
for channel re-placement. Column missing from original cluster schema.

Migration 031 adds column + backfills existing nodes to NOW().

Fixes scheduler error: column "last_seen_at" does not exist

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
This commit is contained in:
Zac Gaetano 2026-05-30 13:39:06 -04:00
parent 42064acefa
commit c2409bd037
1 changed files with 10 additions and 0 deletions
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services/mam-api/src/db/migrations/031-cluster-nodes-last-seen.sql Normal file
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-- Migration 031 — Add last_seen_at to cluster_nodes
--
-- Playout failover (routes/playout.js restartChannel) queries cluster_nodes.last_seen_at
-- to find healthy nodes for channel re-placement. Column was missing from original
-- cluster schema; heartbeat endpoint updates it via /cluster/heartbeat.
ALTER TABLE cluster_nodes ADD COLUMN IF NOT EXISTS last_seen_at TIMESTAMPTZ;
-- Backfill existing nodes to NOW() so they're immediately eligible for failover
UPDATE cluster_nodes SET last_seen_at = NOW() WHERE last_seen_at IS NULL;