39 lines
2 KiB
MySQL
39 lines
2 KiB
MySQL
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-- Migration 036: Recorders become physical hardware, not user-created rows.
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--
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-- A recorder now maps 1:1 to a physical capture port: (node_id, device_index).
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-- mam-api auto-provisions one row per port from each node-agent heartbeat's
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-- capabilities (deltacast/blackmagic arrays). Rows are NEVER deleted by the
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-- operator — they're discovered, enabled/disabled, and configured in place.
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-- This removes the delete/create churn that orphaned standby sidecars and
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-- caused capture-port (EADDRINUSE) collisions.
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--
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-- New columns:
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-- label : optional friendly name overlaid on the hardware identity
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-- (e.g. "Aurora" for zampp3-dc0). NULL → UI shows node+port name.
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-- enabled : operator opt-in. false (default) = no standby sidecar, port idle.
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-- true = persistent standby sidecar kept up (idle-preview), ready
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-- to record. Toggled by the Enable/Disable button.
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-- auto_provisioned : true when the row was created by heartbeat discovery
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-- (vs a legacy manually-created recorder). Informational.
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--
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-- Identity:
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-- UNIQUE(node_id, device_index) is the structural guarantee that two
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-- recorders can never share a capture port — the root-cause fix for the
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-- collisions. Partial unique index (WHERE both are non-null) so any legacy
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-- rows without a node/device don't violate it.
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ALTER TABLE recorders
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ADD COLUMN IF NOT EXISTS label TEXT DEFAULT NULL,
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ADD COLUMN IF NOT EXISTS enabled BOOLEAN NOT NULL DEFAULT false,
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ADD COLUMN IF NOT EXISTS auto_provisioned BOOLEAN NOT NULL DEFAULT false;
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-- One recorder per physical port. Partial so pre-existing rows lacking a
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-- node_id/device_index (e.g. network sources) are unaffected.
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CREATE UNIQUE INDEX IF NOT EXISTS recorders_node_device_uniq
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ON recorders (node_id, device_index)
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WHERE node_id IS NOT NULL AND device_index IS NOT NULL;
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-- Fast lookup of a node's ports during heartbeat reconciliation.
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CREATE INDEX IF NOT EXISTS recorders_node_id_idx
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ON recorders (node_id);
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