jsiebens / nomad-droplets-autoscaler Goto Github PK

scaling "app-redis-slave" {
  enabled = true
  min     = 1
  max     = 2

  policy {
    cooldown            = "1m"
    evaluation_interval = "10s"

    check "redis_jobs_in_progess" {
      source = "prometheus"
      query  = "sum(nomad_nomad_job_summary_queued{exported_job=~\"app\",task_group=\"redis-slave\"} + nomad_nomad_job_summary_running{exported_job=~\"app\",task_group=\"redis-slave\"}) OR on() vector(0)"

      strategy "pass-through" {}
    }

    target "do-droplets" {
      name = "app-redis-slave"
      region = "xxx1"
      size = "s-1vcpu-1gb"
      snapshot_id = "XXXXXX"
      user_data = "local/do-user_data.sh"
      tags = "hashi-stack,job:app,group:redis-slave"

      datacenter             = "do"
      node_drain_deadline    = "15m"
      node_drain_ignore_system_jobs = true
      node_selector_strategy = "empty_ignore_system"
    }
  }
}