Feat: AsyncLocalStorage for schema changing

lib/app.js

@@ -3,6 +3,7 @@ const http = require('http')
 const https = require('https')
 const argv = require('minimist')(process.argv.slice(2))
 
+const { asyncLocalStorage, defaultStore } = require('./async-storage')
 const routes = require('./routes')
 const logger = require('./logger')
 const poller = require('./poller')
@@ -19,26 +20,29 @@ const version = require('../package.json').version
 logger.info('Version: %s', version)
 
 function run () {
-  let count = 0
-  let handler
+  const store = defaultStore()
+  return asyncLocalStorage.run(store, () => {
+    let count = 0
+    let handler
 
-  const errorHandler = err => {
-    count += 1
-    logger.error(err)
-    logger.error('[%d] Retrying in 10s...', count)
-  }
+    const errorHandler = err => {
+      count += 1
+      logger.error(err)
+      logger.error('[%d] Retrying in 10s...', count)
+    }
 
-  const runner = () =>
-    settingsLoader.loadLatest()
-      .then(settings => {
-        clearInterval(handler)
-        return loadSanctions(settings)
-          .then(() => startServer(settings))
-      })
-      .catch(errorHandler)
+    const runner = () =>
+      settingsLoader.loadLatest()
+        .then(settings => {
+          clearInterval(handler)
+          return loadSanctions(settings)
+            .then(() => startServer(settings))
+        })
+        .catch(errorHandler)
 
-  handler = setInterval(runner, 10000)
-  return runner()
+    handler = setInterval(runner, 10000)
+    return runner()
+  })
 }
 
 function loadSanctions (settings) {