Merge branch 'master' into regular-errors

README.md

@@ -272,6 +272,7 @@ resources.
   - [Day 3 – Keynote](https://youtu.be/JQPOPV_VH5w?t=815) showing Stackdriver
     APM (Tracing, Code Search, Profiler, Google Cloud Build)
   - [Introduction to Service Management with Istio](https://www.youtube.com/watch?v=wCJrdKdD6UM&feature=youtu.be&t=586)
+- [KubeCon EU 2019 - Reinventing Networking: A Deep Dive into Istio's Multicluster Gateways - Steve Dake, Independent](https://youtu.be/-t2BfT59zJA?t=982)
 
 ---
 

build.out

@@ -1 +1 @@
-{"builds":[{"imageName":"gcr.io/lesser-weevil/emailservice","tag":"gcr.io/lesser-weevil/emailservice:v0.1.0-43-ga32631d@sha256:593de0cc94b95fa033838a3d3f3dc0168cc35f736b01ace2954b3648771e1027"},{"imageName":"gcr.io/lesser-weevil/productcatalogservice","tag":"gcr.io/lesser-weevil/productcatalogservice:v0.1.0-43-ga32631d@sha256:29dc89ac7aa66dcb70fd1c9e84f422a5e0c4bcb117ed0cb29c7cd6282ab13bbe"},{"imageName":"gcr.io/lesser-weevil/recommendationservice","tag":"gcr.io/lesser-weevil/recommendationservice:v0.1.0-43-ga32631d@sha256:de6cddba59ea40a879baf25b2ae58dd06b64532d0ca52dda4c4b6d22e577f0d6"},{"imageName":"gcr.io/lesser-weevil/shippingservice","tag":"gcr.io/lesser-weevil/shippingservice:v0.1.0-43-ga32631d@sha256:0ee734d45b10760c0d01bf3ca27a85b56296337adfe540f344860b2de1eb0277"},{"imageName":"gcr.io/lesser-weevil/checkoutservice","tag":"gcr.io/lesser-weevil/checkoutservice:v0.1.0-43-ga32631d@sha256:d9b7a695508b8df8d894d4b1ea24ebc8f651c069daab64df4acb2556c72ace1d"},{"imageName":"gcr.io/lesser-weevil/paymentservice","tag":"gcr.io/lesser-weevil/paymentservice:v0.1.0-43-ga32631d-dirty@sha256:4df214a8153671eef258d9329054f2fb21eb6331d2a4b475a731d115ec16e33c"},{"imageName":"gcr.io/lesser-weevil/currencyservice","tag":"gcr.io/lesser-weevil/currencyservice:v0.1.0-43-ga32631d@sha256:7de984152d48e33d3b02f001dceb6d97f504478ac27c33dcaa27cb981c445e88"},{"imageName":"gcr.io/lesser-weevil/cartservice","tag":"gcr.io/lesser-weevil/cartservice:v0.1.0-43-ga32631d@sha256:6cc3baab0bdf2eda1ec9da076a102007c851a665c9fd8ee99d741c734c8a85fe"},{"imageName":"gcr.io/lesser-weevil/frontend","tag":"gcr.io/lesser-weevil/frontend:v0.1.0-43-ga32631d@sha256:43d6cbbfb02cb9a4435063c63127f1f4e22a8954f38cc78159c1ae7e44700bdd"},{"imageName":"gcr.io/lesser-weevil/loadgenerator","tag":"gcr.io/lesser-weevil/loadgenerator:v0.1.0-43-ga32631d-dirty@sha256:15a1adb67f03da4ef24ced791737413db372fb8eccfcc9b8155b9e1205903a97"},{"imageName":"gcr.io/lesser-weevil/adservice","tag":"gcr.io/lesser-weevil/adservice:v0.1.0-43-ga32631d@sha256:dcb2c1644648b9c18c6fc48ad7fc1a15f4dc890ad3fca531b9892d6cfdf1a305"}]}
+{"builds":[{"imageName":"gcr.io/lesser-weevil/emailservice","tag":"gcr.io/lesser-weevil/emailservice:v0.1.0-53-g334f50b@sha256:b5642298862ce0852e6038cf029ed75df6a08530c3ca9b86cd2ad4b50d5cff00"},{"imageName":"gcr.io/lesser-weevil/productcatalogservice","tag":"gcr.io/lesser-weevil/productcatalogservice:v0.1.0-53-g334f50b@sha256:74288be0207731ee0f846273da3486638777cf8d4077bddd45e0aeac75bb3559"},{"imageName":"gcr.io/lesser-weevil/recommendationservice","tag":"gcr.io/lesser-weevil/recommendationservice:v0.1.0-53-g334f50b-dirty@sha256:761fcf9065618d1edf9739c5a99e0b85e85a00ea79831d9cd14ceef281bfcb96"},{"imageName":"gcr.io/lesser-weevil/shippingservice","tag":"gcr.io/lesser-weevil/shippingservice:v0.1.0-53-g334f50b@sha256:6625a1e45b63c32585248a51d32b1b5137c16c7fb0f622ee9efbd08ef0cfed42"},{"imageName":"gcr.io/lesser-weevil/checkoutservice","tag":"gcr.io/lesser-weevil/checkoutservice:v0.1.0-53-g334f50b@sha256:cab8d517f524609837c7c70d357d7ba4aeb836dc417414d726079ed811928804"},{"imageName":"gcr.io/lesser-weevil/paymentservice","tag":"gcr.io/lesser-weevil/paymentservice:v0.1.0-53-g334f50b@sha256:1d65c32c95fbf5fe7348e8d4975bf15a305279f78264f342734afc3d1273a7cb"},{"imageName":"gcr.io/lesser-weevil/currencyservice","tag":"gcr.io/lesser-weevil/currencyservice:v0.1.0-53-g334f50b@sha256:dcbf4a09a2b7961ad00496c70ebb33b125d40b3a2c28e92dc18e44ad15ff9139"},{"imageName":"gcr.io/lesser-weevil/cartservice","tag":"gcr.io/lesser-weevil/cartservice:v0.1.0-53-g334f50b@sha256:2d6b7b6422669a0850f3743c734d300cbcf247fe850127ea99f695e831e32374"},{"imageName":"gcr.io/lesser-weevil/frontend","tag":"gcr.io/lesser-weevil/frontend:v0.1.0-53-g334f50b@sha256:119a11554f457f3a4df05672de4f51050f305fba67482b242543ec6fb4ed1f05"},{"imageName":"gcr.io/lesser-weevil/loadgenerator","tag":"gcr.io/lesser-weevil/loadgenerator:v0.1.0-53-g334f50b@sha256:de90c5ce3bef7e118183a82b6a5de5f994045727b66462c2bffd4f57749f40c1"},{"imageName":"gcr.io/lesser-weevil/adservice","tag":"gcr.io/lesser-weevil/adservice:v0.1.0-53-g334f50b@sha256:39a383bafca249864cd67a8eac66e67a19dc107b46566d7e16501c4f15ee0935"},{"imageName":"gcr.io/lesser-weevil/pingjob","tag":"gcr.io/lesser-weevil/pingjob:v0.1.0-53-g334f50b-dirty@sha256:e55b195ae794a48ec045ee4652dc5feb40166c99edb58f78b7e4e59e572979af"}]}

kubernetes-manifests/adservice.yaml

@@ -17,6 +17,7 @@ kind: Deployment
 metadata:
   name: adservice
 spec:
+  revisionHistoryLimit: 1
   replicas: 5
   selector:
     matchLabels:

kubernetes-manifests/cartservice.yaml

@@ -17,6 +17,8 @@ kind: Deployment
 metadata:
   name: cartservice
 spec:
+  revisionHistoryLimit: 1
+  replicas: 10
   selector:
     matchLabels:
       app: cartservice
@@ -41,10 +43,10 @@ spec:
         resources:
           requests:
             cpu: 200m
-            memory: 64Mi
+            memory: 128Mi
           limits:
             cpu: 300m
-            memory: 128Mi
+            memory: 256Mi
         readinessProbe:
           initialDelaySeconds: 15
           exec:

kubernetes-manifests/checkoutservice.yaml

@@ -17,6 +17,7 @@ kind: Deployment
 metadata:
   name: checkoutservice
 spec:
+  revisionHistoryLimit: 1
   selector:
     matchLabels:
       app: checkoutservice

kubernetes-manifests/currencyservice.yaml

@@ -17,6 +17,7 @@ kind: Deployment
 metadata:
   name: currencyservice
 spec:
+  revisionHistoryLimit: 1
   selector:
     matchLabels:
       app: currencyservice

kubernetes-manifests/emailservice.yaml

@@ -17,6 +17,7 @@ kind: Deployment
 metadata:
   name: emailservice
 spec:
+  revisionHistoryLimit: 1
   selector:
     matchLabels:
       app: emailservice

kubernetes-manifests/frontend.yaml

@@ -17,6 +17,7 @@ kind: Deployment
 metadata:
   name: frontend-a
 spec:
+  revisionHistoryLimit: 1
   selector:
     matchLabels:
       app: frontend
@@ -80,6 +81,7 @@ kind: Deployment
 metadata:
   name: frontend-b
 spec:
+  revisionHistoryLimit: 1
   selector:
     matchLabels:
       app: frontend

kubernetes-manifests/loadgenerator.yaml

@@ -17,6 +17,7 @@ kind: Deployment
 metadata:
   name: loadgenerator
 spec:
+  revisionHistoryLimit: 1
   selector:
     matchLabels:
       app: loadgenerator

kubernetes-manifests/paymentservice.yaml

@@ -17,6 +17,7 @@ kind: Deployment
 metadata:
   name: paymentservice
 spec:
+  revisionHistoryLimit: 1
   selector:
     matchLabels:
       app: paymentservice

kubernetes-manifests/pinger.yaml

@@ -0,0 +1,23 @@
+apiVersion: batch/v1beta1
+kind: CronJob
+metadata:
+  name: pinger-job
+spec:
+  schedule: "*/5 * * * *"
+  jobTemplate:
+    spec:
+      template:
+        spec:
+          containers:
+            - name: main
+              image: pingjob
+              env:
+                - name: FRONTEND_ADDR
+                  value: "http://35.202.74.89"
+          restartPolicy: OnFailure
+        metadata:
+          labels:
+            custom-job: pinger
+
+
+

kubernetes-manifests/productcatalogservice.yaml

@@ -17,6 +17,7 @@ kind: Deployment
 metadata:
   name: productcatalogservice
 spec:
+  revisionHistoryLimit: 1
   selector:
     matchLabels:
       app: productcatalogservice

kubernetes-manifests/recommendationservice.yaml

@@ -17,6 +17,7 @@ kind: Deployment
 metadata:
   name: recommendationservice-v1
 spec:
+  revisionHistoryLimit: 1
   selector:
     matchLabels:
       app: recommendationservice
@@ -99,6 +100,7 @@ spec:
             limits:
               cpu: 200m
               memory: 450Mi
+  revisionHistoryLimit: 1
 ---
 apiVersion: networking.istio.io/v1alpha3
 kind: VirtualService

kubernetes-manifests/redis.yaml

@@ -17,6 +17,7 @@ kind: Deployment
 metadata:
   name: redis-cart
 spec:
+  revisionHistoryLimit: 1
   selector:
     matchLabels:
       app: redis-cart

kubernetes-manifests/shippingservice.yaml

@@ -17,6 +17,7 @@ kind: Deployment
 metadata:
   name: shippingservice
 spec:
+  revisionHistoryLimit: 1
   selector:
     matchLabels:
       app: shippingservice

release/istio-manifests.yaml

@@ -48,21 +48,6 @@ spec:
           number: 80
 ---
 apiVersion: networking.istio.io/v1alpha3
-kind: ServiceEntry
-metadata:
-  name: currency-provider-external
-spec:
-  hosts:
-  - www.ecb.europa.eu
-  ports:
-  - number: 80
-    name: http
-    protocol: HTTP
-  - number: 443
-    name: https
-    protocol: HTTPS
----
-apiVersion: networking.istio.io/v1alpha3
 kind: VirtualService
 metadata:
   name: frontend

release/kubernetes-manifests.yaml

@@ -32,9 +32,12 @@ spec:
       terminationGracePeriodSeconds: 5
       containers:
       - name: server
-        image: gcr.io/google-samples/microservices-demo/emailservice:v0.1.0
+        image: gcr.io/google-samples/microservices-demo/emailservice:v0.1.1
         ports:
         - containerPort: 8080
+        env:
+          - name: PORT
+            value: "8080"
         readinessProbe:
           periodSeconds: 5
           exec:
@@ -43,6 +46,9 @@ spec:
           periodSeconds: 5
           exec:
             command: ["/bin/grpc_health_probe", "-addr=:8080"]
+        env:
+          - name: ENABLE_PROFILER
+            value: "0"
         resources:
           requests:
             cpu: 100m
@@ -79,7 +85,7 @@ spec:
     spec:
       containers:
         - name: server
-          image: gcr.io/google-samples/microservices-demo/checkoutservice:v0.1.0
+          image: gcr.io/google-samples/microservices-demo/checkoutservice:v0.1.1
           ports:
           - containerPort: 5050
           readinessProbe:
@@ -89,6 +95,8 @@ spec:
             exec:
               command: ["/bin/grpc_health_probe", "-addr=:5050"]
           env:
+            - name: PORT
+              value: "5050"
           - name: PRODUCT_CATALOG_SERVICE_ADDR
             value: "productcatalogservice:3550"
           - name: SHIPPING_SERVICE_ADDR
@@ -140,7 +148,7 @@ spec:
       terminationGracePeriodSeconds: 5
       containers:
       - name: server
-        image: gcr.io/google-samples/microservices-demo/recommendationservice:v0.1.0
+        image: gcr.io/google-samples/microservices-demo/recommendationservice:v0.1.1
         ports:
         - containerPort: 8080
         readinessProbe:
@@ -152,8 +160,12 @@ spec:
           exec:
             command: ["/bin/grpc_health_probe", "-addr=:8080"]
         env:
+          - name: PORT
+            value: "8080"
         - name: PRODUCT_CATALOG_SERVICE_ADDR
           value: "productcatalogservice:3550"
+          - name: ENABLE_PROFILER
+            value: "0"
         resources:
           requests:
             cpu: 100m
@@ -190,7 +202,7 @@ spec:
     spec:
       containers:
         - name: server
-          image: gcr.io/google-samples/microservices-demo/frontend:v0.1.0
+          image: gcr.io/google-samples/microservices-demo/frontend:v0.1.1
           ports:
           - containerPort: 8080
           readinessProbe:
@@ -210,6 +222,8 @@ spec:
               - name: "Cookie"
                 value: "shop_session-id=x-liveness-probe"
           env:
+            - name: PORT
+              value: "8080"
           - name: PRODUCT_CATALOG_SERVICE_ADDR
             value: "productcatalogservice:3550"
           - name: CURRENCY_SERVICE_ADDR
@@ -276,9 +290,12 @@ spec:
       terminationGracePeriodSeconds: 5
       containers:
       - name: server
-        image: gcr.io/google-samples/microservices-demo/paymentservice:v0.1.0
+        image: gcr.io/google-samples/microservices-demo/paymentservice:v0.1.1
         ports:
         - containerPort: 50051
+        env:
+          - name: PORT
+            value: "50051"
         readinessProbe:
           exec:
             command: ["/bin/grpc_health_probe", "-addr=:50051"]
@@ -322,9 +339,12 @@ spec:
       terminationGracePeriodSeconds: 5
       containers:
       - name: server
-        image: gcr.io/google-samples/microservices-demo/productcatalogservice:v0.1.0
+        image: gcr.io/google-samples/microservices-demo/productcatalogservice:v0.1.1
         ports:
         - containerPort: 3550
+        env:
+          - name: PORT
+            value: "3550"
         readinessProbe:
           exec:
             command: ["/bin/grpc_health_probe", "-addr=:3550"]
@@ -371,7 +391,7 @@ spec:
       terminationGracePeriodSeconds: 5
       containers:
       - name: server
-        image: gcr.io/google-samples/microservices-demo/cartservice:v0.1.0
+        image: gcr.io/google-samples/microservices-demo/cartservice:v0.1.1
         ports:
         - containerPort: 7070
         env:
@@ -440,7 +460,7 @@ spec:
           value: "frontend:80"
       containers:
       - name: main
-        image: gcr.io/google-samples/microservices-demo/loadgenerator:v0.1.0
+        image: gcr.io/google-samples/microservices-demo/loadgenerator:v0.1.1
         env:
         - name: FRONTEND_ADDR
           value: "frontend:80"
@@ -470,10 +490,13 @@ spec:
       terminationGracePeriodSeconds: 5
       containers:
       - name: server
-        image: gcr.io/google-samples/microservices-demo/currencyservice:v0.1.0
+        image: gcr.io/google-samples/microservices-demo/currencyservice:v0.1.1
         ports:
         - name: grpc
           containerPort: 7000
+        env:
+          - name: PORT
+            value: "7000"
         readinessProbe:
           exec:
             command: ["/bin/grpc_health_probe", "-addr=:7000"]
@@ -516,9 +539,12 @@ spec:
     spec:
       containers:
       - name: server
-        image: gcr.io/google-samples/microservices-demo/shippingservice:v0.1.0
+        image: gcr.io/google-samples/microservices-demo/shippingservice:v0.1.1
         ports:
         - containerPort: 50051
+        env:
+          - name: PORT
+            value: "50051"
         readinessProbe:
           periodSeconds: 5
           exec:
@@ -619,7 +645,7 @@ spec:
       terminationGracePeriodSeconds: 5
       containers:
       - name: server
-        image: gcr.io/google-samples/microservices-demo/adservice:v0.1.0
+        image: gcr.io/google-samples/microservices-demo/adservice:v0.1.1
         ports:
         - containerPort: 9555
         env:

skaffold.yaml

@@ -42,6 +42,8 @@ build:
     context: src/loadgenerator
   - image: adservice
     context: src/adservice
+  - image: pingjob
+    context: src/pingjob
   tagPolicy:
     gitCommit: {}
 deploy:

src/adservice/src/main/java/hipstershop/AdService.java

@@ -214,7 +214,7 @@ public final class AdService {
   }
 
   private static void initStackdriver() {
-    logger.info("Initialize StackDriver");
+    logger.info("Initialize Stackdriver");
 
     long sleepTime = 10; /* seconds */
     int maxAttempts = 5;
@@ -252,7 +252,7 @@ public final class AdService {
         }
       }
     }
-    logger.info("StackDriver initialization complete.");
+    logger.info("Stackdriver initialization complete.");
   }
 
   private static void initJaeger() {

src/checkoutservice/main.go

@@ -131,7 +131,7 @@ func initStats(exporter *stackdriver.Exporter) {
 	}
 }
 
-func initStackDriverTracing() {
+func initStackdriverTracing() {
 	// TODO(ahmetb) this method is duplicated in other microservices using Go
 	// since they are not sharing packages.
 	for i := 1; i <= 3; i++ {
@@ -140,22 +140,22 @@ func initStackDriverTracing() {
 			log.Infof("failed to initialize stackdriver exporter: %+v", err)
 		} else {
 			trace.RegisterExporter(exporter)
-			log.Info("registered stackdriver tracing")
+			log.Info("registered Stackdriver tracing")
 
 			// Register the views to collect server stats.
 			initStats(exporter)
 			return
 		}
 		d := time.Second * 10 * time.Duration(i)
-		log.Infof("sleeping %v to retry initializing stackdriver exporter", d)
+		log.Infof("sleeping %v to retry initializing Stackdriver exporter", d)
 		time.Sleep(d)
 	}
-	log.Warn("could not initialize stackdriver exporter after retrying, giving up")
+	log.Warn("could not initialize Stackdriver exporter after retrying, giving up")
 }
 
 func initTracing() {
 	initJaegerTracing()
-	initStackDriverTracing()
+	initStackdriverTracing()
 }
 
 func initProfiling(service, version string) {
@@ -170,14 +170,14 @@ func initProfiling(service, version string) {
 		}); err != nil {
 			log.Warnf("failed to start profiler: %+v", err)
 		} else {
-			log.Info("started stackdriver profiler")
+			log.Info("started Stackdriver profiler")
 			return
 		}
 		d := time.Second * 10 * time.Duration(i)
-		log.Infof("sleeping %v to retry initializing stackdriver profiler", d)
+		log.Infof("sleeping %v to retry initializing Stackdriver profiler", d)
 		time.Sleep(d)
 	}
-	log.Warn("could not initialize stackdriver profiler after retrying, giving up")
+	log.Warn("could not initialize Stackdriver profiler after retrying, giving up")
 }
 
 func mustMapEnv(target *string, envKey string) {

src/currencyservice/client.js

@@ -46,7 +46,7 @@ const request = {
 };
 
 function _moneyToString (m) {
-  return `${m.units}.${leftPad(m.nanos, 9, '0')} ${m.currency_code}`;
+  return `${m.units}.${m.nanos.toString().padStart(9, '0')} ${m.currency_code}`;
 }
 
 client.getSupportedCurrencies({}, (err, response) => {

src/currencyservice/package.json

@@ -16,7 +16,6 @@
     "async": "^1.5.2",
     "google-protobuf": "^3.0.0",
     "grpc": "^1.0.0",
-    "left-pad": "^1.3.0",
     "pino": "^5.6.2",
     "request": "^2.87.0",
     "xml2js": "^0.4.19"

src/frontend/main.go

@@ -191,20 +191,20 @@ func initStackdriverTracing(log logrus.FieldLogger) {
 			// log.Warnf is used since there are multiple backends (stackdriver & jaeger)
 			// to store the traces. In production setup most likely you would use only one backend.
 			// In that case you should use log.Fatalf.
-			log.Warnf("failed to initialize stackdriver exporter: %+v", err)
+			log.Warnf("failed to initialize Stackdriver exporter: %+v", err)
 		} else {
 			trace.RegisterExporter(exporter)
-			log.Info("registered stackdriver tracing")
+			log.Info("registered Stackdriver tracing")
 
 			// Register the views to collect server stats.
 			initStats(log, exporter)
 			return
 		}
 		d := time.Second * 20 * time.Duration(i)
-		log.Debugf("sleeping %v to retry initializing stackdriver exporter", d)
+		log.Debugf("sleeping %v to retry initializing Stackdriver exporter", d)
 		time.Sleep(d)
 	}
-	log.Warn("could not initialize stackdriver exporter after retrying, giving up")
+	log.Warn("could not initialize Stackdriver exporter after retrying, giving up")
 }
 
 func initTracing(log logrus.FieldLogger) {
@@ -232,14 +232,14 @@ func initProfiling(log logrus.FieldLogger, service, version string) {
 		}); err != nil {
 			log.Warnf("warn: failed to start profiler: %+v", err)
 		} else {
-			log.Info("started stackdriver profiler")
+			log.Info("started Stackdriver profiler")
 			return
 		}
 		d := time.Second * 10 * time.Duration(i)
-		log.Debugf("sleeping %v to retry initializing stackdriver profiler", d)
+		log.Debugf("sleeping %v to retry initializing Stackdriver profiler", d)
 		time.Sleep(d)
 	}
-	log.Warn("warning: could not initialize stackdriver profiler after retrying, giving up")
+	log.Warn("warning: could not initialize Stackdriver profiler after retrying, giving up")
 }
 
 func mustMapEnv(target *string, envKey string) {

src/pingjob/Dockerfile

@@ -0,0 +1,18 @@
+FROM python:3-slim as base
+
+FROM base as builder
+
+RUN apt-get -qq update \
+    && apt-get install -y --no-install-recommends \
+        g++
+
+COPY requirements.txt .
+
+RUN pip install --install-option="--prefix=/install" -r requirements.txt
+
+FROM base
+COPY --from=builder /install /usr/local
+
+COPY . .
+ENTRYPOINT ["./pinger.sh"]
+

src/pingjob/pinger.py

@@ -0,0 +1,87 @@
+#!/usr/bin/python
+#
+# 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
+#
+#      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.
+
+import random
+
+import requests
+import sys
+
+BASE = sys.argv[1]
+
+products = [
+    '0PUK6V6EV0',
+    '1YMWWN1N4O',
+    '2ZYFJ3GM2N',
+    '66VCHSJNUP',
+    '6E92ZMYYFZ',
+    '9SIQT8TOJO',
+    'L9ECAV7KIM',
+    'LS4PSXUNUM',
+    'OLJCESPC7Z']
+
+
+def index():
+  requests.get(BASE + "/")
+
+
+def setCurrency():
+  currencies = ['EUR', 'USD', 'JPY', 'CAD']
+  requests.post(BASE + "/setCurrency",
+                {'currency_code': random.choice(currencies)})
+
+
+def browseProduct():
+  requests.get(BASE + "/product/" + random.choice(products))
+
+
+def viewCart():
+  requests.get(BASE + "/cart")
+
+
+def addToCart():
+  product = random.choice(products)
+  requests.get(BASE + "/product/" + product)
+  requests.post(BASE + "/cart", {
+      'product_id': product,
+      'quantity': random.choice([1, 2, 3, 4, 5, 10])})
+
+
+def checkout():
+  addToCart()
+  requests.post(BASE + "/cart/checkout", {
+      'email': 'someone@example.com',
+      'street_address': '1600 Amphitheatre Parkway',
+      'zip_code': '94043',
+      'city': 'Mountain View',
+      'state': 'CA',
+      'country': 'United States',
+      'credit_card_number': '4432-8015-6152-0454',
+      'credit_card_expiration_month': '1',
+      'credit_card_expiration_year': '2039',
+      'credit_card_cvv': '672',
+  })
+
+
+if not BASE:
+  print("ERROR: no frontend address")
+else:
+  print("pinging" + BASE)
+index()
+browseProduct()
+addToCart()
+viewCart()
+checkout()
+print("pinging complete")

src/pingjob/pinger.sh

@@ -0,0 +1,27 @@
+#!/bin/sh -eu
+#
+# 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
+#
+#      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.
+
+#!/bin/bash
+set -e
+trap "exit" TERM
+
+if [ -z "${FRONTEND_ADDR}" ]; then
+    echo >&2 "FRONTEND_ADDR not specified"
+    exit 1
+fi
+
+set -x
+python pinger.py "${FRONTEND_ADDR}"

src/pingjob/requirements.in

@@ -0,0 +1 @@
+requests

src/pingjob/requirements.txt

@@ -0,0 +1,11 @@
+#
+# This file is autogenerated by pip-compile
+# To update, run:
+#
+#    pip-compile --output-file=requirements.txt requirements.in
+#
+certifi==2018.11.29       # via requests
+chardet==3.0.4            # via requests
+idna==2.8                 # via requests
+requests==2.21.0
+urllib3==1.24.1           # via requests

src/productcatalogservice/server.go

@@ -158,32 +158,32 @@ func initStats(exporter *stackdriver.Exporter) {
 	}
 }
 
-func initStackDriverTracing() {
+func initStackdriverTracing() {
 	// TODO(ahmetb) this method is duplicated in other microservices using Go
 	// since they are not sharing packages.
 	for i := 1; i <= 3; i++ {
 		exporter, err := stackdriver.NewExporter(stackdriver.Options{})
 		if err != nil {
-			log.Warnf("failed to initialize stackdriver exporter: %+v", err)
+			log.Warnf("failed to initialize Stackdriver exporter: %+v", err)
 		} else {
 			trace.RegisterExporter(exporter)
 			trace.ApplyConfig(trace.Config{DefaultSampler: trace.AlwaysSample()})
-			log.Info("registered stackdriver tracing")
+			log.Info("registered Stackdriver tracing")
 
 			// Register the views to collect server stats.
 			initStats(exporter)
 			return
 		}
 		d := time.Second * 10 * time.Duration(i)
-		log.Infof("sleeping %v to retry initializing stackdriver exporter", d)
+		log.Infof("sleeping %v to retry initializing Stackdriver exporter", d)
 		time.Sleep(d)
 	}
-	log.Warn("could not initialize stackdriver exporter after retrying, giving up")
+	log.Warn("could not initialize Stackdriver exporter after retrying, giving up")
 }
 
 func initTracing() {
 	initJaegerTracing()
-	initStackDriverTracing()
+	initStackdriverTracing()
 }
 
 func initProfiling(service, version string) {
@@ -198,14 +198,14 @@ func initProfiling(service, version string) {
 		}); err != nil {
 			log.Warnf("failed to start profiler: %+v", err)
 		} else {
-			log.Info("started stackdriver profiler")
+			log.Info("started Stackdriver profiler")
 			return
 		}
 		d := time.Second * 10 * time.Duration(i)
-		log.Infof("sleeping %v to retry initializing stackdriver profiler", d)
+		log.Infof("sleeping %v to retry initializing Stackdriver profiler", d)
 		time.Sleep(d)
 	}
-	log.Warn("could not initialize stackdriver profiler after retrying, giving up")
+	log.Warn("could not initialize Stackdriver profiler after retrying, giving up")
 }
 
 type productCatalog struct{}

src/shippingservice/main.go

@@ -161,32 +161,32 @@ func initStats(exporter *stackdriver.Exporter) {
 	}
 }
 
-func initStackDriverTracing() {
+func initStackdriverTracing() {
 	// TODO(ahmetb) this method is duplicated in other microservices using Go
 	// since they are not sharing packages.
 	for i := 1; i <= 3; i++ {
 		exporter, err := stackdriver.NewExporter(stackdriver.Options{})
 		if err != nil {
-			log.Warnf("failed to initialize stackdriver exporter: %+v", err)
+			log.Warnf("failed to initialize Stackdriver exporter: %+v", err)
 		} else {
 			trace.RegisterExporter(exporter)
 			trace.ApplyConfig(trace.Config{DefaultSampler: trace.AlwaysSample()})
-			log.Info("registered stackdriver tracing")
+			log.Info("registered Stackdriver tracing")
 
 			// Register the views to collect server stats.
 			initStats(exporter)
 			return
 		}
 		d := time.Second * 10 * time.Duration(i)
-		log.Infof("sleeping %v to retry initializing stackdriver exporter", d)
+		log.Infof("sleeping %v to retry initializing Stackdriver exporter", d)
 		time.Sleep(d)
 	}
-	log.Warn("could not initialize stackdriver exporter after retrying, giving up")
+	log.Warn("could not initialize Stackdriver exporter after retrying, giving up")
 }
 
 func initTracing() {
 	initJaegerTracing()
-	initStackDriverTracing()
+	initStackdriverTracing()
 }
 
 func initProfiling(service, version string) {
@@ -201,12 +201,12 @@ func initProfiling(service, version string) {
 		}); err != nil {
 			log.Warnf("failed to start profiler: %+v", err)
 		} else {
-			log.Info("started stackdriver profiler")
+			log.Info("started Stackdriver profiler")
 			return
 		}
 		d := time.Second * 10 * time.Duration(i)
-		log.Infof("sleeping %v to retry initializing stackdriver profiler", d)
+		log.Infof("sleeping %v to retry initializing Stackdriver profiler", d)
 		time.Sleep(d)
 	}
-	log.Warn("could not initialize stackdriver profiler after retrying, giving up")
+	log.Warn("could not initialize Stackdriver profiler after retrying, giving up")
 }