Update sync server to use refactored API

bin/server

@@ -31,8 +31,7 @@ const { testValue } = require("@validatem/core");
 const matchesFormat = require("@validatem/matches-format");
 const isString = require("@validatem/is-string");
 
-const initialize = require("../src/initialize");
-const errors = require("../src/errors");
+const createKernel = require("../src/kernel");
 
 let argv = yargs.argv;
 let configurationPath = argv._[0];
@@ -43,20 +42,8 @@ let absoluteConfigurationPath = path.join(process.cwd(), configurationPath);
 let configuration = require(absoluteConfigurationPath);
 
 return Promise.try(() => {
-	// FIXME: Deduplicate this with kernel! Also other common wiring across binaries...
-	return initialize({
-		knexfile: {
-			client: "pg",
-			connection: configuration.database,
-			pool: { min: 0, max: 32 },
-			migrations: { tableName: "srap_knex_migrations" }
-		}
-	});
-}).then((state) => {
-	let { db, knex } = state;
-
-	const queries = require("../src/queries")(state);
-
+	return createKernel(configuration);
+}).then((kernel) => {
 	let app = express();
 	let router = expressPromiseRouter();
 	
@@ -125,7 +112,7 @@ return Promise.try(() => {
 				: undefined;
 
 			return pipe([
-				queries.getUpdates(knex, { prefix: req.query.prefix, timestamp: timestamp }),
+				kernel.getUpdates({ prefix: req.query.prefix, timestamp }),
 				map((item) => JSON.stringify(item) + "\n"),
 				fromNodeStream(res)
 			]).read();

src/kernel.js

@@ -126,6 +126,9 @@ module.exports = async function createKernel(_configuration) {
 					metrics: metrics
 				};
 			});
+		},
+		getUpdates: function ({ prefix, timestamp }) {
+			return backend.topLevel.getUpdateStream(null, { prefix, timestamp });
 		}
 	};
 };