#
# Global DCO definitions
#

locals {
  dcodc         = "dco"
  dconodenrbase = index(var.datacenters, "dco")
  dcoindexjump  = length(var.datacenters)
}

#
# Control node resources DCO
#

resource "openstack_networking_port_v2" "kubecport-dco" {
  name                = "${var.controller_name}${count.index * local.dcoindexjump + 1 + local.dconodenrbase}-${replace(var.dns_suffix,".","-")}-${local.dcodc}-port"
  # We create as many ports as there are instances created
  count               =  var.controllerdcreplicas
  network_id          = data.openstack_networking_network_v2.public-dco.id
  # A list of security group ID
  security_group_ids  = [
                          resource.openstack_networking_secgroup_v2.ssh-from-jump-hosts-dco.id,
                          resource.openstack_networking_secgroup_v2.microk8s-dco.id,
                          resource.openstack_networking_secgroup_v2.k8s-external-control-dco.id
                        ]
  admin_state_up      = "true"
  provider            = openstack.dco
}

# Boot volume for node
resource "openstack_blockstorage_volume_v3" "kubecvolumeboot-dco" {
  count                = var.controllerdcreplicas # Replicas per datacenter
  name                 = "${var.controller_name}${count.index * local.dcoindexjump + 1 + local.dconodenrbase}-${replace(var.dns_suffix,".","-")}-${local.dcodc}-vol"
  description          = "OS volume for kubernetes worker node ${count.index * local.dcoindexjump + 1 + local.dconodenrbase}"
  size                 = 100
  image_id             = data.openstack_images_image_v2.debian12image-dco.id
  enable_online_resize = true # Allow us to resize volume while attached.
  provider             = openstack.dco
}

resource "openstack_compute_instance_v2" "controller-nodes-dco" {
  count           = var.controllerdcreplicas # Replicas per datacenter
  name            = "${var.controller_name}${count.index * local.dcoindexjump + 1 + local.dconodenrbase}.${var.dns_suffix}"
  flavor_name     = "${var.controller_instance_type}"
  key_pair        = "${var.keynameworkers}"
  provider        = openstack.dco
  security_groups = [
                      resource.openstack_networking_secgroup_v2.microk8s-dco.name,
                      resource.openstack_networking_secgroup_v2.ssh-from-jump-hosts-dco.name,
                      resource.openstack_networking_secgroup_v2.k8s-external-control-dco.name
                    ]

  block_device {
    uuid             = resource.openstack_blockstorage_volume_v3.kubecvolumeboot-dco[count.index].id
    source_type      = "volume"
    destination_type = "volume"
    boot_index       = 0
  }

  scheduler_hints {
    group = openstack_compute_servergroup_v2.controllers-dco.id
  }
  network {
    port   = resource.openstack_networking_port_v2.kubecport-dco[count.index].id
  }
}

#
# Worker node resources DCO
#

resource "openstack_networking_port_v2" "kubewport-dco" {
  name                = "${var.worker_name}${count.index * local.dcoindexjump + 1 + local.dconodenrbase}-${replace(var.dns_suffix,".","-")}-${local.dcodc}-port"
  # We create as many ports as there are instances created
  count               =  var.workerdcreplicas
  network_id          = data.openstack_networking_network_v2.public-dco.id
  # A list of security group ID
  security_group_ids  = [ 
                          resource.openstack_networking_secgroup_v2.ssh-from-jump-hosts-dco.id,
                          resource.openstack_networking_secgroup_v2.microk8s-dco.id
                        ]
  admin_state_up      = "true"
  provider            = openstack.dco
}

# Boot volume for node
resource "openstack_blockstorage_volume_v3" "kubewvolumeboot-dco" {
  count                = var.workerdcreplicas # Replicas per datacenter
  name                 = "${var.worker_name}${count.index * local.dcoindexjump + 1 + local.dconodenrbase}-${replace(var.dns_suffix,".","-")}-${local.dcodc}-vol"
  description          = "OS volume for kubernetes worker node ${count.index * local.dcoindexjump + 1 + local.dconodenrbase}"
  size                 = 100
  image_id             = data.openstack_images_image_v2.debian12image-dco.id
  enable_online_resize = true # Allow us to resize volume while attached.
  provider             = openstack.dco
}

resource "openstack_blockstorage_volume_v3" "kubewvolumerook-dco" {
  count                = var.workerdcreplicas # Replicas per datacenter
  name                 = "${var.worker_name}${count.index * local.dcoindexjump + 1 + local.dconodenrbase}-${replace(var.dns_suffix,".","-")}-${local.dcodc}-rook-vol"
  description          = "Rook storage volume for kubernetes worker node ${count.index * local.dcoindexjump + 1 + local.dconodenrbase}"
  size                 = 100
  enable_online_resize = true # Allow us to resize volume while attached.
  provider             = openstack.dco
}

resource "openstack_compute_instance_v2" "worker-nodes-dco" {
  count           = var.workerdcreplicas # Replicas per datacenter
  name            = "${var.worker_name}${count.index * local.dcoindexjump + 1 + local.dconodenrbase}.${var.dns_suffix}"
  flavor_name     = "${var.worker_instance_type}"
  key_pair        = "${var.keynameworkers}"
  provider        = openstack.dco
  security_groups = [
                      resource.openstack_networking_secgroup_v2.microk8s-dco.name,
                      resource.openstack_networking_secgroup_v2.ssh-from-jump-hosts-dco.name
                    ]

  block_device {
    uuid             = resource.openstack_blockstorage_volume_v3.kubewvolumeboot-dco[count.index].id
    source_type      = "volume"
    destination_type = "volume"
    boot_index       = 0
  }
  block_device {
    uuid             = resource.openstack_blockstorage_volume_v3.kubewvolumerook-dco[count.index].id
    source_type      = "volume"
    destination_type = "volume"
    boot_index       = 1
  }

  scheduler_hints {
    group = openstack_compute_servergroup_v2.workers-dco.id
  }
  network {
    port   = resource.openstack_networking_port_v2.kubewport-dco[count.index].id
  }
}