corr-id-generator

Correlation ID generator

Creates unique int64 id based on time epoch and machine id.

Configuration

Application supports configuration via environment variables:

export PORT=7891  # gRPC port
export MACHINE_ID=1  # unique service ID - uint8

Installation

With docker

$> docker pull freundallein/corridgen

With source

$> git clone git@github.com:freundallein/corr-id-generator.git
$> cd corr-id-generator
$> make build

Usage

Docker-compose

version: "3.5"

networks:
  network:
    name: example-network
    driver: bridge

services:
  corridgen_1:
    image: freundallein/corridgen:latest
    container_name: corridgen_1
    restart: always
    environment: 
      - PORT=7891
      - MACHINE_ID=1
    networks: 
      - network

  corridgen_2:
    image: freundallein/corridgen:latest
    container_name: corridgen_2
    restart: always
    environment: 
      - PORT=7891
      - MACHINE_ID=2
    networks: 
      - network

Protocol

service CorrelationIdGenerator {
    rpc GetCorrelationId(GetRequest) returns (Response) {}
}

message GetRequest {
}

message Response {
    uint64 correlationId = 1;
}

Good luck.