{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "Neon Compute Manifest Schema",
  "description": "Schema for Neon compute node configuration manifest",
  "type": "object",
  "properties": {
    "pg_settings": {
      "type": "object",
      "properties": {
        "common": {
          "type": "object",
          "properties": {
            "client_connection_check_interval": {
              "type": "string",
              "description": "Check for client disconnection interval in milliseconds"
            },
            "effective_io_concurrency": {
              "type": "string",
              "description": "Effective IO concurrency setting"
            },
            "fsync": {
              "type": "string",
              "enum": ["on", "off"],
              "description": "Whether to force fsync to disk"
            },
            "hot_standby": {
              "type": "string",
              "enum": ["on", "off"],
              "description": "Whether hot standby is enabled"
            },
            "idle_in_transaction_session_timeout": {
              "type": "string",
              "description": "Timeout for idle transactions in milliseconds"
            },
            "listen_addresses": {
              "type": "string",
              "description": "Addresses to listen on"
            },
            "log_connections": {
              "type": "string",
              "enum": ["on", "off"],
              "description": "Whether to log connections"
            },
            "log_disconnections": {
              "type": "string",
              "enum": ["on", "off"],
              "description": "Whether to log disconnections"
            },
            "log_temp_files": {
              "type": "string",
              "description": "Size threshold for logging temporary files in KB"
            },
            "log_error_verbosity": {
              "type": "string",
              "enum": ["terse", "verbose", "default"],
              "description": "Error logging verbosity level"
            },
            "log_min_error_statement": {
              "type": "string",
              "description": "Minimum error level for statement logging"
            },
            "maintenance_io_concurrency": {
              "type": "string",
              "description": "Maintenance IO concurrency setting"
            },
            "max_connections": {
              "type": "string",
              "description": "Maximum number of connections"
            },
            "max_replication_flush_lag": {
              "type": "string",
              "description": "Maximum replication flush lag"
            },
            "max_replication_slots": {
              "type": "string",
              "description": "Maximum number of replication slots"
            },
            "max_replication_write_lag": {
              "type": "string",
              "description": "Maximum replication write lag"
            },
            "max_wal_senders": {
              "type": "string",
              "description": "Maximum number of WAL senders"
            },
            "max_wal_size": {
              "type": "string",
              "description": "Maximum WAL size"
            },
            "neon.unstable_extensions": {
              "type": "string",
              "description": "List of unstable extensions"
            },
            "neon.protocol_version": {
              "type": "string",
              "description": "Neon protocol version"
            },
            "password_encryption": {
              "type": "string",
              "description": "Password encryption method"
            },
            "restart_after_crash": {
              "type": "string",
              "enum": ["on", "off"],
              "description": "Whether to restart after crash"
            },
            "superuser_reserved_connections": {
              "type": "string",
              "description": "Number of reserved connections for superuser"
            },
            "synchronous_standby_names": {
              "type": "string",
              "description": "Names of synchronous standby servers"
            },
            "wal_keep_size": {
              "type": "string",
              "description": "WAL keep size"
            },
            "wal_level": {
              "type": "string",
              "description": "WAL level"
            },
            "wal_log_hints": {
              "type": "string",
              "enum": ["on", "off"],
              "description": "Whether to log hints in WAL"
            },
            "wal_sender_timeout": {
              "type": "string",
              "description": "WAL sender timeout in milliseconds"
            }
          },
          "required": [
            "client_connection_check_interval",
            "effective_io_concurrency",
            "fsync",
            "hot_standby",
            "idle_in_transaction_session_timeout",
            "listen_addresses",
            "log_connections",
            "log_disconnections",
            "log_temp_files",
            "log_error_verbosity",
            "log_min_error_statement",
            "maintenance_io_concurrency",
            "max_connections",
            "max_replication_flush_lag",
            "max_replication_slots",
            "max_replication_write_lag",
            "max_wal_senders",
            "max_wal_size",
            "neon.unstable_extensions",
            "neon.protocol_version",
            "password_encryption",
            "restart_after_crash",
            "superuser_reserved_connections",
            "synchronous_standby_names",
            "wal_keep_size",
            "wal_level",
            "wal_log_hints",
            "wal_sender_timeout"
          ]
        },
        "replica": {
          "type": "object",
          "properties": {
            "hot_standby": {
              "type": "string",
              "enum": ["on", "off"],
              "description": "Whether hot standby is enabled for replicas"
            }
          },
          "required": ["hot_standby"]
        },
        "per_version": {
          "type": "object",
          "patternProperties": {
            "^1[4-7]$": {
              "type": "object",
              "properties": {
                "common": {
                  "type": "object",
                  "properties": {
                    "io_combine_limit": {
                      "type": "string",
                      "description": "IO combine limit"
                    }
                  }
                },
                "replica": {
                  "type": "object",
                  "properties": {
                    "recovery_prefetch": {
                      "type": "string",
                      "enum": ["on", "off"],
                      "description": "Whether to enable recovery prefetch for PostgreSQL replicas"
                    }
                  }
                }
              }
            }
          }
        }
      },
      "required": ["common", "replica", "per_version"]
    }
  },
  "required": ["pg_settings"]
}