This repository contains the demo of using go-grpc-prometheus.
The Client of gRPC and also the server outputs metrics, and monitoring metrics by using the Grahana.

The demo are built up by Docker Compose, so that you have to install the Docker Compose.

Containers is begin, after using the following make command.

$ make start

Begin to run containers are:

• Prometheus localhost:9090
• Server of gRPC localhost:8080
• Client of gRPC localhost:8081
• Grafana localhost:3000

After starting containers, you are able to access following url and to send request to server from client of gRPC.

$ curl -XGET 'http://localhost:8081/echo?m=message'
Response: echo message%

The gRPC connection of demo is simple unary RPCs.

After sending any requests, you are able to monitoring of metrics at dashboard of Prometheus.

Navigate to http://localhost:9090/graph and From insert metric at cursor menu, choose grpc_client_msg_sent_total and grpc_server_msg_sent_total and so on after will see metrics of gRPC.

Step 4 is setup Grafana.

Navigate to http://localhost:3000/login and login with admin user.

• User: admin
• Password: admin

From the Grafana menu, choose Data Sources and click Add data source, then input by using the following values.

• Name: prometheus
• Type: prometheus
• Url: http://localhost:9090
• Access: direct

At last you can import the dashboard templates from the grafana directory from this repository. From the Grafana menu, choose Dashboards and click on Import.

If you want to stop containers, you can use following make command.

$ make stop