Merge pull request #394 from amalgam8/nodejs_ratings

node.js implementation of ratings
amalgam8 · Nov 10, 2016 · acb2a69 · acb2a69
2 parents bf7f2e3 + a50450a
commit acb2a69
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diff --git a/examples/apps/bookinfo/ratings/Dockerfile b/examples/apps/bookinfo/ratings/Dockerfile
@@ -12,10 +12,7 @@
 #   See the License for the specific language governing permissions and
 #   limitations under the License.
 
-FROM python:2-onbuild
+FROM node:4-onbuild
 
-RUN mkdir -p /opt/microservices
-COPY . /opt/microservices/
 EXPOSE 9080
-WORKDIR /opt/microservices
-CMD python ratings.py 9080 http://localhost:6379
+CMD node ratings.js 9080 http://localhost:6379
diff --git a/examples/apps/bookinfo/ratings/Dockerfile.sidecar b/examples/apps/bookinfo/ratings/Dockerfile.sidecar
@@ -12,13 +12,10 @@
 #   See the License for the specific language governing permissions and
 #   limitations under the License.
 
-FROM python:2-onbuild
+FROM node:4-onbuild
 
 RUN wget -qO- https://github.com/amalgam8/amalgam8/releases/download/v0.4.2/a8sidecar.sh | sh
 
-RUN mkdir -p /opt/microservices
-COPY . /opt/microservices/
 EXPOSE 9080
-WORKDIR /opt/microservices
 
-ENTRYPOINT ["a8sidecar", "python", "ratings.py", "9080"]
+ENTRYPOINT ["a8sidecar", "node", "ratings.js", "9080"]
diff --git a/examples/apps/bookinfo/ratings/package.json b/examples/apps/bookinfo/ratings/package.json
@@ -0,0 +1,8 @@
+{
+  "scripts": {
+    "start": "node ratings.js"
+  },
+  "dependencies": {
+    "httpdispatcher": "1.0.0"
+  }
+}
diff --git a/examples/apps/bookinfo/ratings/ratings.js b/examples/apps/bookinfo/ratings/ratings.js
@@ -0,0 +1,73 @@
+// Copyright 2016 IBM Corporation
+//
+//   Licensed under the Apache License, Version 2.0 (the "License");
+//   you may not use this file except in compliance with the License.
+//   You may obtain a copy of the License at
+//
+//       http://www.apache.org/licenses/LICENSE-2.0
+//
+//   Unless required by applicable law or agreed to in writing, software
+//   distributed under the License is distributed on an "AS IS" BASIS,
+//   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//   See the License for the specific language governing permissions and
+//   limitations under the License.
+
+var http = require('http');
+var dispatcher = require('httpdispatcher');
+
+port = parseInt(process.argv[2]);
+proxyURL = process.argv[3];
+
+var ratingsResponse = {"Reviewer1": 5, "Reviewer2": 4}
+
+dispatcher.onGet("/", function(req, res) {
+    res.writeHead(200)
+    res.end(
+        '<html>' +
+        '<head>' +
+        '<meta charset="utf-8">' +
+        '<meta http-equiv="X-UA-Compatible" content="IE=edge">' +
+        '<meta name="viewport" content="width=device-width, initial-scale=1">' +
+        '<!-- Latest compiled and minified CSS -->' +
+        '<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css">' +
+        '<!-- Optional theme -->' +
+        '<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap-theme.min.css">' +
+        '<!-- Latest compiled and minified JavaScript -->' +
+        '<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.4/jquery.min.js"></script>' +
+        '<!-- Latest compiled and minified JavaScript -->' +
+        '<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script>' +
+        '</head>' +
+        '<title>Book ratings service</title>' +
+        '<body>' +
+        '<p><h2>Hello! This is the book ratings service. My content is</h2></p>' +
+        '<div>' + JSON.stringify(ratingsResponse) + '</div>' +
+        '</body>' +
+        '</html>',
+        {"Content-type": "text/html"})
+})
+
+dispatcher.onGet("/ratings", function(req, res) {
+    var json = JSON.stringify(ratingsResponse)
+    res.writeHead(200, {"Content-type": "application/json"})
+    res.end(json)
+})
+
+dispatcher.onGet("/health", function(req, res) {
+    res.writeHead(200, {"Content-type": "text/plain"})
+    res.end("Ratings is healthy")
+})
+
+function handleRequest(request, response){
+    try {
+        console.log(request.method + " " + request.url);
+        dispatcher.dispatch(request, response);
+    } catch(err) {
+        console.log(err);
+    }
+}
+
+var server = http.createServer(handleRequest);
+
+server.listen(port, function(){
+    console.log("Server listening on: http://localhost:%s", port);
+});
diff --git a/examples/apps/bookinfo/ratings/ratings.py b/examples/apps/bookinfo/ratings/ratings.py
diff --git a/examples/apps/bookinfo/ratings/requirements.txt b/examples/apps/bookinfo/ratings/requirements.txt
diff --git a/examples/docker-bookinfo.yaml b/examples/docker-bookinfo.yaml
@@ -50,7 +50,6 @@ ratings-v1:
     - A8_SERVICE=ratings:v1
     - A8_REGISTER=true
     - A8_ENDPOINT_PORT=9080
-    - A8_HEALTHCHECKS=http://localhost:9080/health
   external_links:
     - registry