job.nomad

job "logbug" {
  datacenters = ["dc1"]
  type = "service"
  update {
    max_parallel = 1
    auto_revert = false
    canary = 0
  }
  migrate {
    max_parallel = 1
    health_check = "task_states"
    min_healthy_time = "10s"
    healthy_deadline = "5m"
  }
  group "cache" {
    count = 1
    restart {
      attempts = 2
      interval = "30m"
      delay = "15s"
      mode = "fail"
    }
    ephemeral_disk {
      size = 300
    }
    task "redis" {
      driver = "raw_exec"
      config {
        command = "/tmp/produce-logs.sh"
      }
      resources {
        cpu    = 500 # 500 MHz
        memory = 256 # 256MB
        network {
          mbits = 10
        }
      }
    }
  }
}

produce-logs.sh

#!/bin/bash                                                                                                                                                                                                                            

rand_str(){
        cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w ${1:-2048} | head -n 1
}

r=$(rand_str)
for ((i=0;i<500;i++)); do
        echo "$i: $r"
done

sleep infinity