Traffic Quota

Token bucket server to control web API requests. You can check whether the request conforms to defined limits on rate and burstiness by querying this service at the beginning of your API.

Quick Start

Starting trafficquotad

go run ./cmd/trafficquotad

Using trafficquotad from Your Application

After go get github.com/orgplace/trafficquota/client or dep ensure -add github.com/orgplace/trafficquota/client:

import "github.com/orgplace/trafficquota/client"

c, _ := client.NewInsecureClient("localhost:3895")
allowed, _ := c.Take("key")

Please see examples directory and godoc for more detail.

Installation

Docker

Pull image from Docker Hub and run:

docker run -it --rm -p3895:3895 orgplace/trafficquota:latest

In your docker-compose.yml:

services:
  trafficquota:
    image: orgplace/trafficquota
    ports:
    - "3895:3895"

DEB/RPM Repository

You can use DEB/RPM repository (packagecloud). Currently, Ubuntu 18.04, Ubuntu 18.10, Debian 9, Fedora 29 and RHEL 7 are supprted.

To register repository, follow packagecloud instruction (deb, rpm). After registration:

# Ubuntu/Debian
apt-get install trafficquota
# Fedora
dnf install trafficquota
# RHEL
yum install trafficquota

When you use the package, systemd unit file for trafficquotad is also installed.

# Start
sudo systemctl start trafficquotad
# Enable
sudo systemctl enable trafficquotad
# Customize
sudo systemctl edit trafficquotad
# Log
journalctl -xeu trafficquotad

From tarball/Build Source

Download tarball form GitHub Releases or build from source:

go build -o trafficquotad ./cmd/trafficquotad

Monitoring

Health Check

trafficquotad supports gRPC Health Checking Protocol. You can query health of the server using grpc-health-probe.

grpc-health-probe -addr=localhost:3895