foxhunt/infra/modules/kapsule/main.tf

# Terraform state renames — prevents destroy+recreate of state entries.
# Pool name attribute changes (always-on→services, ci-build→ci-training)
# will still force replacement since Scaleway pool names are immutable.
moved {
  from = scaleway_k8s_pool.always_on
  to   = scaleway_k8s_pool.services
}

moved {
  from = scaleway_k8s_pool.ci_build
  to   = scaleway_k8s_pool.ci_training
}

moved {
  from = scaleway_k8s_pool.ci_compile
  to   = scaleway_k8s_pool.ci_rl
}

resource "scaleway_vpc_private_network" "foxhunt" {
  name   = "${var.cluster_name}-pn"
  region = var.region
}

resource "scaleway_k8s_cluster" "foxhunt" {
  name                        = var.cluster_name
  version                     = var.k8s_version
  cni                         = "cilium"
  region                      = var.region
  delete_additional_resources = true
  private_network_id          = scaleway_vpc_private_network.foxhunt.id

  auto_upgrade {
    enable                        = true
    maintenance_window_start_hour = 4
    maintenance_window_day        = "sunday"
  }

  autoscaler_config {
    disable_scale_down            = false
    scale_down_delay_after_add    = "10m"
    scale_down_unneeded_time      = "10m"
    estimator                     = "binpacking"
    ignore_daemonsets_utilization = true
  }
}

resource "scaleway_k8s_pool" "services" {
  cluster_id  = scaleway_k8s_cluster.foxhunt.id
  name        = "services"
  node_type   = var.services_type
  size        = 1
  min_size    = 1
  max_size    = var.services_max_size
  autoscaling        = true
  autohealing        = true
  public_ip_disabled = var.public_ip_disabled
  region             = var.region

  lifecycle {
    ignore_changes = [size]
  }
}

# GitLab CE node pool (dedicated DEV1-L for GitLab + Runner manager)
resource "scaleway_k8s_pool" "gitlab" {
  count       = var.enable_gitlab_pool ? 1 : 0
  cluster_id  = scaleway_k8s_cluster.foxhunt.id
  name        = "gitlab"
  node_type   = var.gitlab_type
  size        = 1
  min_size    = 1
  max_size    = 1
  autoscaling        = false
  autohealing        = true
  public_ip_disabled = var.public_ip_disabled
  region             = var.region
}

# CI RL pool (L4 — 24GB VRAM, CUDA CC 89, for RL training + hyperopt)
# Nodes auto-labeled: k8s.scaleway.com/pool-name=ci-rl
resource "scaleway_k8s_pool" "ci_rl" {
  count       = var.enable_ci_rl_pool ? 1 : 0
  cluster_id  = scaleway_k8s_cluster.foxhunt.id
  name        = "ci-rl"
  node_type   = var.ci_rl_type
  size        = 1
  min_size    = 0
  max_size    = var.ci_rl_max_size
  autoscaling        = true
  autohealing        = true
  public_ip_disabled = var.public_ip_disabled
  region             = var.region

  lifecycle {
    ignore_changes = [size]
  }
}

# CI training pool (L40S — 48GB VRAM, for supervised hyperopt + training)
# Nodes auto-labeled: k8s.scaleway.com/pool-name=ci-training
resource "scaleway_k8s_pool" "ci_training" {
  count       = var.enable_ci_training_pool ? 1 : 0
  cluster_id  = scaleway_k8s_cluster.foxhunt.id
  name        = "ci-training"
  node_type   = var.ci_training_type
  size        = 1
  min_size    = 0
  max_size    = var.ci_training_max_size
  autoscaling        = true
  autohealing        = true
  public_ip_disabled = var.public_ip_disabled
  region             = var.region

  lifecycle {
    ignore_changes = [size]
  }
}

# CPU compile pool (POP2 — high CPU, no GPU, for cargo check/build)
# Nodes auto-labeled: k8s.scaleway.com/pool-name=ci-compile-cpu
resource "scaleway_k8s_pool" "ci_compile_cpu" {
  count       = var.enable_ci_compile_cpu_pool ? 1 : 0
  cluster_id  = scaleway_k8s_cluster.foxhunt.id
  name        = "ci-compile-cpu"
  node_type   = var.ci_compile_cpu_type
  size        = 1
  min_size    = 0
  max_size    = var.ci_compile_cpu_max_size
  autoscaling        = true
  autohealing        = true
  public_ip_disabled = var.public_ip_disabled
  region             = var.region

  lifecycle {
    ignore_changes = [size]
  }
}

# CPU pool for remote development (DevPod — autoscales to zero)
# Nodes auto-labeled: k8s.scaleway.com/pool-name=gpu-dev
resource "scaleway_k8s_pool" "dev" {
  count                = var.enable_dev_pool ? 1 : 0
  cluster_id           = scaleway_k8s_cluster.foxhunt.id
  name                 = "gpu-dev"
  node_type            = var.dev_pool_type
  size                 = 1
  min_size             = 0
  max_size             = var.dev_pool_max_size
  autoscaling          = true
  autohealing          = true
  public_ip_disabled   = var.public_ip_disabled
  wait_for_pool_ready  = false
  region               = var.region

  lifecycle {
    ignore_changes = [size]
  }
}