{
  "schema": "pg36-ch30-requirements-v1",
  "chapter": 30,
  "target": "pg36-l2-vagrant/isolated-pg17-to-pg18",
  "host": {
    "service": "pg-meta-1",
    "cluster": "pg-meta"
  },
  "versions": {
    "old_major": 17,
    "new_major": 18
  },
  "fixture": {
    "database": "pg36_upgrade",
    "schema": "app",
    "table": "app.orders",
    "initial_rows": 10000,
    "forward_canary_id": 10001,
    "collation": "app.en_numeric",
    "collation_index": "app.orders_order_code_key",
    "source_locale": "C",
    "encoding": "UTF8"
  },
  "execution": {
    "old_port": 56417,
    "new_port": 56418,
    "listen_addresses": "",
    "upgrade_method": "copy",
    "minimum_free_bytes": 2147483648
  },
  "upstream": {
    "extension_adr": "../ch14/baseline-v1.2-proposal.json",
    "deployment": "../ch19/deployment-run.json",
    "security": "../ch23/security-run.json",
    "observability": "../ch25/observability-run.json",
    "maintenance": "../ch28/maintenance-run.json",
    "migration": "../ch29/migration-run.json"
  },
  "risk": {
    "capture": "L0-read-only",
    "exercise": "L2-private-temporary-clusters",
    "production_data_permitted": false,
    "production_traffic_permitted": false,
    "pigsty_inventory_change_permitted": false,
    "patroni_change_permitted": false,
    "persistent_cluster_configuration_change_permitted": false,
    "system_package_install_permitted": false,
    "external_listener_permitted": false,
    "pg_upgrade_link_clone_swap_permitted": false,
    "source_catalog_injection_scope": "exact-disposable-collation-row-only"
  },
  "acceptance": {
    "preflight_source_hash_binding_required": true,
    "collation_mismatch_must_block_release": true,
    "dependent_index_must_be_rebuilt_before_refresh": true,
    "checksum_mismatch_check_must_fail": true,
    "matching_pg_upgrade_check_must_pass": true,
    "copy_mode_upgrade_must_complete": true,
    "baseline_and_upgraded_manifest_must_match": true,
    "old_cluster_must_restart_before_target_writes": true,
    "forward_canary_must_mark_reconciliation_boundary": true,
    "amcheck_must_pass_on_target_indexes": true,
    "exact_temporary_cleanup_required": true,
    "production_ch30_gate": "pending"
  }
}