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Cloud Trace Starter Project - Baking Supplies Finder

The FoodFinder API can be called with baking ingredients and will return vendors that sell the ingredients, along with their inventories and prices.

FoodFinder makes underlying calls to the FoodSupplier API to find out which vendors sell the ingredient, then to the FoodVendor API to find out the inventory and price of the ingredient for each vendor.

A FoodFinder client, called FoodClient, is also provided and can be used to make calls to the FoodFinder API.

Build

To build the program, run:

bazel build :all

Run

Run the services in seperate terminal windows:

./bazel-bin/food_supplier
./bazel-bin/food_vendor
./bazel-bin/food_finder

Then run the client:

./bazel-bin/food_client

Make sure FoodSupplier, FoodVendor and FoodFinder are running before attempting to run FoodClient.

Telemetry

This project has been instrumented using OpenCensus. You can export traces and metrics produced by interactions between the food services. Currently, the project supports exporting traces to Zipkin or GCP, and metrics to GCP.

Traces in Zipkin

To view traces in Zipkin, install Zipkin and visit http://localhost:9411/zipkin.

Zipkin

Traces in Google Cloud Platform

You can also export traces from Zipkin to GCP by creating a GCP project and following these instructions.

Trace_GCP

Metrics in Google Cloud Platform

You can export metrics to GCP using Stackdriver. Just set your STACKDRIVER_PROJECT_ID environment variable to the name of your GCP project.

Metrics