core: In application, move version into context

core/application.mjs

@@ -26,7 +26,8 @@ export default class Application extends EventEmitter {
         getLog: getLog,
         HttpServer: HttpServer,
         request: request,
-      }
+      },
+      version: '',
     }
     this.config = defaults({}, this.ctx.db.config[name])
     this.provider = provider
@@ -34,7 +35,6 @@ export default class Application extends EventEmitter {
     this.updating = false
     this.http = new HttpServer(this.config)
     this.module = null
-    this.running = ''
     this.workers = {}
 
     // Fresh is used to indicate that when we run the application and it fails,
@@ -390,14 +390,14 @@ export default class Application extends EventEmitter {
 
   runVersion(version) {
     this.ctx.db.data.core[this.name].active = version
-    this.running = version
-    this.emit('running', this.running)
+    this.ctx.version = version
+    this.emit('running', this.ctx.version)
 
     return this.ctx.db.write().then(() => {
       return this._runVersion(version)
         .catch((err) => {
-          this.running = ''
-          this.emit('running', this.running)
+          this.ctx.version = ''
+          this.emit('running', this.ctx.version)
           return Promise.reject(err)
         })
     })
@@ -477,8 +477,8 @@ export default class Application extends EventEmitter {
   }
 
   closeServer() {
-    this.running = ''
-    this.emit('running', this.running)
+    this.ctx.version = ''
+    this.emit('running', this.ctx.version)
     if (this.config.cluster && !this.isSlave) {
       if (this.__clusterWorkerDied) {
         this.cluster.off('exit', this.__clusterWorkerDied)