Merge branch 'master' of sso://user/ahmetb/microservices-demo into createCartService

.gitignore

@@ -1,3 +1,5 @@
+bin/
+pkg/
 .DS_Store
 *.pyc
 *.swp

kubernetes-manifests/checkoutservice.yaml

@@ -0,0 +1,37 @@
+apiVersion: extensions/v1beta1
+kind: Deployment
+metadata:
+  name: checkoutservice
+spec:
+  replicas: 1
+  template:
+    metadata:
+      labels:
+        app: checkoutservice
+    spec:
+      containers:
+        - name: server
+          image: checkoutservice
+          ports:
+          - containerPort: 5050
+          env:
+          - name: PRODUCT_CATALOG_SERVICE_ADDR
+            value: "productcatalogservice:3550"
+          - name: SHIPPING_SERVICE_ADDR
+            value: "shippingservice:50051"
+          - name: PAYMENT_SERVICE_ADDR
+            value: "paymentservice:50051"
+          - name: EMAIL_SERVICE_ADDR
+            value: "emailservice:5000"
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: checkoutservice
+spec:
+  type: ClusterIP
+  selector:
+    app: checkoutservice
+  ports:
+  - port: 5050
+    targetPort: 5050

kubernetes-manifests/emailservice.yaml

@@ -0,0 +1,27 @@
+apiVersion: extensions/v1beta1
+kind: Deployment
+metadata:
+  name: emailservice
+spec:
+  template:
+    metadata:
+      labels:
+        app: emailservice
+    spec:
+      containers:
+      - name: server
+        image: emailservice
+        ports:
+        - containerPort: 5000
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: emailservice
+spec:
+  type: ClusterIP
+  selector:
+    app: emailservice
+  ports:
+  - port: 5000
+    targetPort: 5000

kubernetes-manifests/paymentservice.yaml

@@ -0,0 +1,27 @@
+apiVersion: extensions/v1beta1
+kind: Deployment
+metadata:
+  name: paymentservice
+spec:
+  template:
+    metadata:
+      labels:
+        app: paymentservice
+    spec:
+      containers:
+      - name: server
+        image: paymentservice
+        ports:
+        - containerPort: 50051
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: paymentservice
+spec:
+  type: ClusterIP
+  selector:
+    app: paymentservice
+  ports:
+  - port: 50051
+    targetPort: 50051

kubernetes-manifests/productcatalogservice.yaml

@@ -0,0 +1,27 @@
+apiVersion: extensions/v1beta1
+kind: Deployment
+metadata:
+  name: productcatalogservice
+spec:
+  template:
+    metadata:
+      labels:
+        app: productcatalogservice
+    spec:
+      containers:
+      - name: server
+        image: productcatalogservice
+        ports:
+        - containerPort: 3550
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: productcatalogservice
+spec:
+  type: ClusterIP
+  selector:
+    app: productcatalogservice
+  ports:
+  - port: 3550
+    targetPort: 3550

kubernetes-manifests/recommendationservice.yaml

@@ -0,0 +1,30 @@
+apiVersion: extensions/v1beta1
+kind: Deployment
+metadata:
+  name: recommendationservice
+spec:
+  template:
+    metadata:
+      labels:
+        app: recommendationservice
+    spec:
+      containers:
+      - name: server
+        image: recommendationservice
+        ports:
+        - containerPort: 8080
+        env:
+        - name: PRODUCT_CATALOG_SERVICE_ADDR
+          value: "productcatalogservice:3550"
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: recommendationservice
+spec:
+  type: ClusterIP
+  selector:
+    app: recommendationservice
+  ports:
+  - port: 8080
+    targetPort: 8080

kubernetes-manifests/shippingservice.yaml

@@ -0,0 +1,27 @@
+apiVersion: extensions/v1beta1
+kind: Deployment
+metadata:
+  name: shippingservice
+spec:
+  template:
+    metadata:
+      labels:
+        app: shippingservice
+    spec:
+      containers:
+      - name: server
+        image: shippingservice
+        ports:
+        - containerPort: 50051
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: shippingservice
+spec:
+  type: ClusterIP
+  selector:
+    app: shippingservice
+  ports:
+  - port: 50051
+    targetPort: 50051

skaffold.yaml

@@ -0,0 +1,20 @@
+apiVersion: skaffold/v1alpha2
+kind: Config
+build:
+  artifacts:
+  - imageName: emailservice
+    workspace: src/emailservice
+  - imageName: productcatalogservice
+    workspace: src/productcatalogservice
+  - imageName: recommendationservice
+    workspace: src/recommendationservice
+  - imageName: shippingservice
+    workspace: src/shippingservice
+  - imageName: checkoutservice
+    workspace: src/checkoutservice
+  - imageName: paymentservice
+    workspace: src/paymentservice
+deploy:
+  kubectl:
+    manifests:
+    - ./kubernetes-manifests/**.yaml

src/checkoutservice/Dockerfile

@@ -0,0 +1,13 @@
+FROM golang:1.10-alpine as builder
+RUN apk add --no-cache ca-certificates git
+WORKDIR /src/microservices-demo/catalogservice
+COPY . .
+RUN go get -d ./...
+RUN go build -o /catalogservice .
+
+FROM alpine as release
+RUN apk add --no-cache \
+  ca-certificates
+COPY --from=builder /catalogservice /catalogservice
+EXPOSE 5050
+ENTRYPOINT ["/catalogservice"]

src/checkoutservice/genproto.sh

@@ -0,0 +1,6 @@
+#!/bin/bash -e
+
+PATH=$PATH:$GOPATH/bin
+protodir=../../pb
+
+protoc --go_out=plugins=grpc:genproto -I $protodir $protodir/demo.proto

src/checkoutservice/main.go

@@ -0,0 +1,93 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"log"
+	"net"
+	"os"
+
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+
+	pb "./genproto"
+	"google.golang.org/grpc"
+)
+
+const (
+	listenPort = "5050"
+)
+
+type checkoutService struct {
+	productCatalogSvcAddr string
+	cartSvcAddr           string
+	currencySvcAddr       string
+	shippingSvcAddr       string
+	emailSvcAddr          string
+	paymentSvcAddr        string
+}
+
+func main() {
+	port := listenPort
+	if os.Getenv("PORT") != "" {
+		port = os.Getenv("PORT")
+	}
+
+	svc := new(checkoutService)
+	mustMapEnv(&svc.shippingSvcAddr, "SHIPPING_SERVICE_ADDR")
+	// mustMapEnv(&svc.productCatalogSvcAddr, "PRODUCT_CATALOG_SERVICE_ADDR")
+	// mustMapEnv(&svc.cartSvcAddr, "CART_SERVICE_ADDR")
+	// mustMapEnv(&svc.currencySvcAddr, "CURRENCY_SERVICE_ADDR")
+	// mustMapEnv(&svc.emailSvcAddr, "EMAIL_SERVICE_ADDR")
+	// mustMapEnv(&svc.paymentSvcAddr, "PAYMENT_SERVICE_ADDR")
+
+	log.Printf("service config: %+v", svc)
+
+	lis, err := net.Listen("tcp", fmt.Sprintf(":%s", port))
+	if err != nil {
+		log.Fatal(err)
+	}
+	srv := grpc.NewServer()
+	pb.RegisterCheckoutServiceServer(srv, svc)
+	log.Printf("starting to listen on tcp: %q", lis.Addr().String())
+	log.Fatal(srv.Serve(lis))
+}
+
+func mustMapEnv(target *string, envKey string) {
+	v := os.Getenv(envKey)
+	if v == "" {
+		panic(fmt.Sprintf("environment variable %q not set", envKey))
+	}
+	*target = v
+}
+
+func (cs *checkoutService) CreateOrder(ctx context.Context, req *pb.CreateOrderRequest) (*pb.CreateOrderResponse, error) {
+	log.Printf("[CreateOrder] user_id=%q user_currency=%q", req.UserId, req.UserCurrency)
+	resp := new(pb.CreateOrderResponse)
+	conn, err := grpc.Dial(cs.shippingSvcAddr, grpc.WithInsecure())
+	if err != nil {
+		return nil, status.Errorf(codes.Unavailable, "could not connect shippping service: %+v", err)
+	}
+	defer conn.Close()
+
+	shippingQuote, err := pb.NewShippingServiceClient(conn).
+		GetQuote(ctx, &pb.GetQuoteRequest{
+			Address: req.Address,
+			Items:   nil}) // TODO(ahmetb): query CartService for items
+	if err != nil {
+		return nil, status.Errorf(codes.Unavailable, "failed to get shipping quote: %+v", err)
+	}
+	resp.ShippingCost = &pb.Money{
+		Amount:       shippingQuote.GetCostUsd(),
+		CurrencyCode: "USD", // TOD(ahmetb) convert to req.UserCurrency
+	}
+	// TODO(ahmetb) calculate resp.OrderItem with req.UserCurrency
+
+	return resp, nil
+}
+
+func (cs *checkoutService) PlaceOrder(ctx context.Context, req *pb.PlaceOrderRequest) (*pb.PlaceOrderResponse, error) {
+	log.Printf("[PlaceOrder] user_id=%q user_currency=%q", req.UserId, req.UserCurrency)
+	resp := new(pb.PlaceOrderResponse)
+	return resp, nil
+}

src/paymentservice/.dockerignore

@@ -0,0 +1 @@
+node_modules

src/paymentservice/.gitignore

@@ -0,0 +1,3 @@
+node_modules
+proto
+.DS_Store

src/paymentservice/Dockerfile

@@ -0,0 +1,13 @@
+FROM node:8
+
+WORKDIR /usr/src/app
+
+COPY package*.json ./
+
+RUN npm install --only=production
+
+COPY . .
+
+EXPOSE 50051
+
+CMD [ "node", "index.js" ]

src/paymentservice/charge.js

@@ -0,0 +1,64 @@
+const cardValidator = require('simple-card-validator');
+
+class CreditCardError extends Error {
+  constructor(message) {
+    super(message);
+    this.code = 400; // Invalid argument error
+  }
+}
+
+class InvalidCreditCard extends CreditCardError {
+  constructor(cardType) {
+    super(`Credit card info is invalid`);
+  }
+}
+
+class UnacceptedCreditCard extends CreditCardError {
+  constructor(cardType) {
+    super(`Sorry, we cannot process ${cardType} credit cards. Only VISA or MasterCard is accepted.`);
+  }
+}
+
+class ExpiredCreditCard extends CreditCardError {
+  constructor(number, month, year) {
+    super(`Your credit card (ending ${number.substr(-4)}) expired on ${month}/${year}`);
+  }
+}
+
+/**
+ * Verifies the credit card number and (pretend) charges the card.
+ *
+ * @param {*} request
+ * @return transaction_id - a random number.
+ */
+module.exports = function charge(request) {
+  const { amount, credit_card: creditCard } = request;
+  const cardNumber = creditCard.credit_card_number;
+  const cardInfo = cardValidator(cardNumber);
+  const {
+    card_type: cardType,
+    valid,
+    cvv_length: cvvLength,
+  } = cardInfo.getCardDetails();
+
+  if (!valid)
+    throw new InvalidCreditCard();
+
+  // Only VISA and mastercard is accepted, other card types (AMEX, dinersclub) will
+  // throw UnacceptedCreditCard error.
+  if (!(cardType === 'visa' || cardType == 'mastercard'))
+    throw new UnacceptedCreditCard(cardType);
+
+  // Also validate expiration is > today.
+  const currentMonth = new Date().getMonth() + 1;
+  const currentYear = new Date().getFullYear();
+  const { credit_card_expiration_year: year, credit_card_expiration_month: month } = creditCard;
+  if ((currentYear * 12 + currentMonth) > (year * 12 + month))
+    throw new ExpiredCreditCard(cardNumber.replace('-', ''), month, year);
+
+  console.log(`Transaction processed: ${cardType} ending ${cardNumber.substr(-4)} \
+    Amount: ${amount.currency_code}${amount.amount.decimal}.${amount.amount.fractional}`)
+
+  return { transaction_id: -1 }
+}
+

src/paymentservice/genproto.sh

@@ -0,0 +1,6 @@
+#!/bin/bash -e
+
+# protos are loaded dynamically for node, simply copies over the proto.
+
+mkdir -p proto && \
+cp ../../pb/demo.proto proto

src/paymentservice/index.js

@@ -0,0 +1,27 @@
+/*
+ * Copyright 2018 Google LLC
+ *
+ * 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
+ *
+ *     https://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.
+ */
+
+'use strict';
+
+const HipsterShopServer = require('./server');
+
+const PORT = process.env['PORT'];
+const PROTO_PATH = __dirname + '/proto/demo.proto';
+
+const server = new HipsterShopServer(PROTO_PATH, PORT);
+
+server.listen();
+

src/paymentservice/package-lock.json

@@ -0,0 +1,788 @@
+{
+  "name": "paymentservice",
+  "version": "0.0.1",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
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+}

src/paymentservice/package.json

@@ -0,0 +1,16 @@
+{
+  "name": "paymentservice",
+  "version": "0.0.1",
+  "description": "Payment Microservice demo",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "Jonathan Lui",
+  "license": "ISC",
+  "dependencies": {
+    "@grpc/proto-loader": "^0.1.0",
+    "grpc": "^1.12.3",
+    "simple-card-validator": "^1.1.0"
+  }
+}

src/paymentservice/server.js

@@ -0,0 +1,65 @@
+const grpc = require('grpc');
+const protoLoader = require('@grpc/proto-loader');
+
+const charge = require('./charge');
+
+class HipsterShopServer {
+  constructor(protoFile, port = HipsterShopServer.DEFAULT_PORT) {
+    this.port = port;
+
+    this.server = new grpc.Server();
+    this.loadProto(protoFile);
+  }
+
+  /**
+   * Handler for PaymentService.Charge.
+   * @param {*} call  { ChargeRequest }
+   * @param {*} callback  fn(err, ChargeResponse)
+   */
+  static ChargeServiceHandler(call, callback) {
+    try {
+      console.log(`PaymentService#Charge invoked with request ${JSON.stringify(call.request)}`)
+      const response = charge(call.request)
+      callback(null, response);
+    } catch (err) {
+      console.warn(err);
+      callback(err);
+    }
+  }
+
+  listen() {
+    this.server.bind(`0.0.0.0:${this.port}`, grpc.ServerCredentials.createInsecure());
+    console.log(`PaymentService grpc server listening on ${this.port}`);
+    this.server.start();
+  }
+
+  loadProto(path) {
+    const packageDefinition = protoLoader.loadSync(
+      path,
+      {
+        keepCase: true,
+        longs: String,
+        enums: String,
+        defaults: true,
+        oneofs: true,
+      },
+    );
+    const protoDescriptor = grpc.loadPackageDefinition(packageDefinition);
+    const hipsterShopPackage = protoDescriptor.hipstershop;
+
+    this.addProtoService(hipsterShopPackage.PaymentService.service);
+  }
+
+  addProtoService(service) {
+    this.server.addService(
+      service,
+      {
+        charge: HipsterShopServer.ChargeServiceHandler.bind(this),
+      },
+    );
+  }
+}
+
+HipsterShopServer.DEFAULT_PORT = 50051;
+
+module.exports = HipsterShopServer;

src/productcatalogservice/Dockerfile

@@ -5,12 +5,12 @@ RUN apk add --no-cache \
 WORKDIR /src/microservices-demo/productcatalogservice
 COPY . .
 RUN go get -d ./...
-RUN go build -v -o /productcatalogservice .
+RUN go build -o /productcatalogservice .
 
 FROM alpine as release
 RUN apk add --no-cache \
   ca-certificates
 COPY --from=builder /productcatalogservice /productcatalogservice
 EXPOSE 3550
-ENTRYPOINT /productcatalogservice
+ENTRYPOINT ["/productcatalogservice"]
 

src/recommendationservice/Dockerfile

@@ -4,11 +4,11 @@ FROM grpc/python:1.0
 ENV PYTHONUNBUFFERED=0
 
 # add files into working directory
-ADD ./*.py /home/
+COPY . /home/
 WORKDIR /home
 
 # set listen port
 ENV PORT "8080"
 EXPOSE 8080
 
-ENTRYPOINT python /home/recommendation_server.py
+ENTRYPOINT ["python", "/home/recommendation_server.py"]

src/shippingservice/Dockerfile

@@ -5,10 +5,10 @@ RUN apk add --no-cache \
 WORKDIR /src/microservices-demo/shippingservice
 COPY . .
 RUN go get -d ./...
-RUN go build -v -o /shippingservice .
+RUN go build -o /shippingservice .
 
 FROM alpine as release
 COPY --from=builder /shippingservice /shippingservice
 ENV APP_PORT=50051
 EXPOSE 50051
-ENTRYPOINT /shippingservice
+ENTRYPOINT ["/shippingservice"]

src/test-cli/main.go

@@ -167,7 +167,7 @@ func testRecommendationService() error {
 }
 
 func testPaymentService() error {
-	addr := os.Getenv("RECOMMENDATION_SERVICE_ADDR")
+	addr := os.Getenv("PAYMENT_SERVICE_ADDR")
 	conn, err := grpc.Dial(addr, grpc.WithInsecure())
 	if err != nil {
 		return err
@@ -184,13 +184,13 @@ func testPaymentService() error {
 				Fractional: 55},
 		},
 		CreditCard: &pb.CreditCardInfo{
-			CreditCardNumber:          "9999-9999-9999-9999",
+			CreditCardNumber:          "4444-4530-1092-6639",
 			CreditCardCvv:             612,
 			CreditCardExpirationYear:  2022,
 			CreditCardExpirationMonth: 10},
 	})
 	if err != nil {
-		return nil
+		return err
 	}
 	log.Printf("--> resp: %+v", resp)
 	return nil