Initial project snapshot

backend/migrations/000016_fabric_testing_telemetry.up.sql

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+CREATE TABLE IF NOT EXISTS fabric_testing_flags (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    scope_type TEXT NOT NULL,
+    scope_id UUID,
+    cluster_id UUID REFERENCES clusters(id) ON DELETE CASCADE,
+    enabled BOOLEAN NOT NULL DEFAULT FALSE,
+    telemetry_enabled BOOLEAN NOT NULL DEFAULT FALSE,
+    synthetic_links_enabled BOOLEAN NOT NULL DEFAULT FALSE,
+    history_retention_hours INTEGER NOT NULL DEFAULT 24,
+    metadata JSONB NOT NULL DEFAULT '{}'::JSONB,
+    updated_by_user_id UUID REFERENCES users(id) ON DELETE SET NULL,
+    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    CONSTRAINT fabric_testing_flags_scope_check
+        CHECK (scope_type IN ('platform', 'organization', 'node')),
+    CONSTRAINT fabric_testing_flags_retention_check
+        CHECK (history_retention_hours BETWEEN 1 AND 720)
+);
+
+CREATE UNIQUE INDEX IF NOT EXISTS idx_fabric_testing_flags_unique_scope
+    ON fabric_testing_flags (
+        scope_type,
+        COALESCE(scope_id, '00000000-0000-0000-0000-000000000000'::uuid),
+        COALESCE(cluster_id, '00000000-0000-0000-0000-000000000000'::uuid)
+    );
+
+CREATE TABLE IF NOT EXISTS node_telemetry_observations (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    cluster_id UUID NOT NULL REFERENCES clusters(id) ON DELETE CASCADE,
+    node_id UUID NOT NULL REFERENCES nodes(id) ON DELETE CASCADE,
+    cpu_percent DOUBLE PRECISION,
+    memory_used_bytes BIGINT,
+    memory_total_bytes BIGINT,
+    disk_used_bytes BIGINT,
+    disk_total_bytes BIGINT,
+    network_rx_bytes BIGINT,
+    network_tx_bytes BIGINT,
+    process_count INTEGER,
+    payload JSONB NOT NULL DEFAULT '{}'::JSONB,
+    observed_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
+);
+
+CREATE INDEX IF NOT EXISTS idx_node_telemetry_cluster_node_observed
+    ON node_telemetry_observations(cluster_id, node_id, observed_at DESC);