convert volumes to dynamic blocks, openstack (#5673)

contrib/terraform/openstack/modules/compute/main.tf

@@ -115,39 +115,14 @@ resource "openstack_compute_servergroup_v2" "k8s_etcd" {
 
 resource "openstack_compute_instance_v2" "bastion" {
   name       = "${var.cluster_name}-bastion-${count.index+1}"
-  count      = "${var.bastion_root_volume_size_in_gb == 0 ? var.number_of_bastions : 0}"
+  count      = "${var.number_of_bastions}"
   image_name = "${var.image}"
   flavor_id  = "${var.flavor_bastion}"
   key_pair   = "${openstack_compute_keypair_v2.k8s.name}"
 
-  network {
+  dynamic "block_device" {
-    name = "${var.network_name}"
+    for_each = var.bastion_root_volume_size_in_gb > 0 ? [var.image] : []
-  }
+    content {
-
-  security_groups = ["${openstack_networking_secgroup_v2.k8s.name}",
-    "${element(openstack_networking_secgroup_v2.bastion.*.name, count.index)}",
-  ]
-
-  metadata = {
-    ssh_user         = "${var.ssh_user}"
-    kubespray_groups = "bastion"
-    depends_on       = "${var.network_id}"
-    use_access_ip    = "${var.use_access_ip}"
-  }
-
-  provisioner "local-exec" {
-    command = "sed s/USER/${var.ssh_user}/ ../../contrib/terraform/openstack/ansible_bastion_template.txt | sed s/BASTION_ADDRESS/${var.bastion_fips[0]}/ > group_vars/no-floating.yml"
-  }
-}
-
-resource "openstack_compute_instance_v2" "bastion_custom_volume_size" {
-  name       = "${var.cluster_name}-bastion-${count.index+1}"
-  count      = "${var.bastion_root_volume_size_in_gb > 0 ? var.number_of_bastions : 0}"
-  image_name = "${var.image}"
-  flavor_id  = "${var.flavor_bastion}"
-  key_pair   = "${openstack_compute_keypair_v2.k8s.name}"
-
-  block_device {
       uuid                  = "${data.openstack_images_image_v2.vm_image.id}"
       source_type           = "image"
       volume_size           = "${var.bastion_root_volume_size_in_gb}"
@@ -155,6 +130,7 @@ resource "openstack_compute_instance_v2" "bastion_custom_volume_size" {
       destination_type      = "volume"
       delete_on_termination = true
     }
+  }
 
   network {
     name = "${var.network_name}"
@@ -178,48 +154,16 @@ resource "openstack_compute_instance_v2" "bastion_custom_volume_size" {
 
 resource "openstack_compute_instance_v2" "k8s_master" {
   name              = "${var.cluster_name}-k8s-master-${count.index+1}"
-  count             = "${var.master_root_volume_size_in_gb == 0 ? var.number_of_k8s_masters : 0}"
+  count             = "${var.number_of_k8s_masters }"
   availability_zone = "${element(var.az_list, count.index)}"
   image_name        = "${var.image}"
   flavor_id         = "${var.flavor_k8s_master}"
   key_pair          = "${openstack_compute_keypair_v2.k8s.name}"
 
-  network {
-    name = "${var.network_name}"
-  }
 
-  security_groups = ["${openstack_networking_secgroup_v2.k8s_master.name}",
+  dynamic "block_device" {
-    "${openstack_networking_secgroup_v2.k8s.name}",
+    for_each = var.master_root_volume_size_in_gb > 0 ? [var.image] : []
-  ]
-
-  dynamic "scheduler_hints" {
-    for_each = var.use_server_groups ? [openstack_compute_servergroup_v2.k8s_master[0]] : []
     content {
-      group = "${openstack_compute_servergroup_v2.k8s_master[0].id}"
-    }
-  }
-
-  metadata = {
-    ssh_user         = "${var.ssh_user}"
-    kubespray_groups = "etcd,kube-master,${var.supplementary_master_groups},k8s-cluster,vault"
-    depends_on       = "${var.network_id}"
-    use_access_ip    = "${var.use_access_ip}"
-  }
-
-  provisioner "local-exec" {
-    command = "sed s/USER/${var.ssh_user}/ ../../contrib/terraform/openstack/ansible_bastion_template.txt | sed s/BASTION_ADDRESS/${element( concat(var.bastion_fips, var.k8s_master_fips), 0)}/ > group_vars/no-floating.yml"
-  }
-}
-
-resource "openstack_compute_instance_v2" "k8s_master_custom_volume_size" {
-  name              = "${var.cluster_name}-k8s-master-${count.index+1}"
-  count             = "${var.master_root_volume_size_in_gb > 0 ? var.number_of_k8s_masters : 0}"
-  availability_zone = "${element(var.az_list, count.index)}"
-  image_name        = "${var.image}"
-  flavor_id         = "${var.flavor_k8s_master}"
-  key_pair          = "${openstack_compute_keypair_v2.k8s.name}"
-
-  block_device {
       uuid                  = "${data.openstack_images_image_v2.vm_image.id}"
       source_type           = "image"
       volume_size           = "${var.master_root_volume_size_in_gb}"
@@ -227,6 +171,7 @@ resource "openstack_compute_instance_v2" "k8s_master_custom_volume_size" {
       destination_type      = "volume"
       delete_on_termination = true
     }
+  }
 
   network {
     name = "${var.network_name}"
@@ -257,48 +202,16 @@ resource "openstack_compute_instance_v2" "k8s_master_custom_volume_size" {
 
 resource "openstack_compute_instance_v2" "k8s_master_no_etcd" {
   name              = "${var.cluster_name}-k8s-master-ne-${count.index+1}"
-  count             = "${var.master_root_volume_size_in_gb == 0 ? var.number_of_k8s_masters_no_etcd : 0}"
+  count             = "${var.number_of_k8s_masters_no_etcd }"
   availability_zone = "${element(var.az_list, count.index)}"
   image_name        = "${var.image}"
   flavor_id         = "${var.flavor_k8s_master}"
   key_pair          = "${openstack_compute_keypair_v2.k8s.name}"
 
-  network {
-    name = "${var.network_name}"
-  }
 
-  security_groups = ["${openstack_networking_secgroup_v2.k8s_master.name}",
+  dynamic "block_device" {
-    "${openstack_networking_secgroup_v2.k8s.name}",
+    for_each = var.master_root_volume_size_in_gb > 0 ? [var.image] : []
-  ]
-  
-  dynamic "scheduler_hints" {
-    for_each = var.use_server_groups ? [openstack_compute_servergroup_v2.k8s_master[0]] : []
     content {
-      group = "${openstack_compute_servergroup_v2.k8s_master[0].id}"
-    }
-  }
-
-  metadata = {
-    ssh_user         = "${var.ssh_user}"
-    kubespray_groups = "kube-master,${var.supplementary_master_groups},k8s-cluster,vault"
-    depends_on       = "${var.network_id}"
-    use_access_ip    = "${var.use_access_ip}"
-  }
-
-  provisioner "local-exec" {
-    command = "sed s/USER/${var.ssh_user}/ ../../contrib/terraform/openstack/ansible_bastion_template.txt | sed s/BASTION_ADDRESS/${element( concat(var.bastion_fips, var.k8s_master_fips), 0)}/ > group_vars/no-floating.yml"
-  }
-}
-
-resource "openstack_compute_instance_v2" "k8s_master_no_etcd_custom_volume_size" {
-  name              = "${var.cluster_name}-k8s-master-ne-${count.index+1}"
-  count             = "${var.master_root_volume_size_in_gb > 0 ? var.number_of_k8s_masters_no_etcd : 0}"
-  availability_zone = "${element(var.az_list, count.index)}"
-  image_name        = "${var.image}"
-  flavor_id         = "${var.flavor_k8s_master}"
-  key_pair          = "${openstack_compute_keypair_v2.k8s.name}"
-
-  block_device {
       uuid                  = "${data.openstack_images_image_v2.vm_image.id}"
       source_type           = "image"
       volume_size           = "${var.master_root_volume_size_in_gb}"
@@ -306,6 +219,7 @@ resource "openstack_compute_instance_v2" "k8s_master_no_etcd_custom_volume_size"
       destination_type      = "volume"
       delete_on_termination = true
     }
+  }
 
   network {
     name = "${var.network_name}"
@@ -336,42 +250,15 @@ resource "openstack_compute_instance_v2" "k8s_master_no_etcd_custom_volume_size"
 
 resource "openstack_compute_instance_v2" "etcd" {
   name              = "${var.cluster_name}-etcd-${count.index+1}"
-  count             = "${var.etcd_root_volume_size_in_gb == 0 ? var.number_of_etcd : 0}"
+  count             = "${var.number_of_etcd }"
   availability_zone = "${element(var.az_list, count.index)}"
   image_name        = "${var.image}"
   flavor_id         = "${var.flavor_etcd}"
   key_pair          = "${openstack_compute_keypair_v2.k8s.name}"
   
-  network {
+  dynamic "block_device" {
-    name = "${var.network_name}"
+    for_each = var.etcd_root_volume_size_in_gb > 0 ? [var.image] : []
-  }
-
-  security_groups = ["${openstack_networking_secgroup_v2.k8s.name}"]
-
-  dynamic "scheduler_hints" {
-    for_each = var.use_server_groups ? [openstack_compute_servergroup_v2.k8s_etcd[0]] : []
     content {
-      group = "${openstack_compute_servergroup_v2.k8s_etcd[0].id}"
-    }
-  }
-
-  metadata = {
-    ssh_user         = "${var.ssh_user}"
-    kubespray_groups = "etcd,vault,no-floating"
-    depends_on       = "${var.network_id}"
-    use_access_ip    = "${var.use_access_ip}"
-  }
-}
-
-resource "openstack_compute_instance_v2" "etcd_custom_volume_size" {
-  name              = "${var.cluster_name}-etcd-${count.index+1}"
-  count             = "${var.etcd_root_volume_size_in_gb > 0 ? var.number_of_etcd : 0}"
-  availability_zone = "${element(var.az_list, count.index)}"
-  image_name        = "${var.image}"
-  flavor_id         = "${var.flavor_etcd}"
-  key_pair          = "${openstack_compute_keypair_v2.k8s.name}"
-
-  block_device {
       uuid                  = "${data.openstack_images_image_v2.vm_image.id}"
       source_type           = "image"
       volume_size           = "${var.etcd_root_volume_size_in_gb}"
@@ -379,6 +266,7 @@ resource "openstack_compute_instance_v2" "etcd_custom_volume_size" {
       destination_type      = "volume"
       delete_on_termination = true
     }
+  }
 
   network {
     name = "${var.network_name}"
@@ -403,44 +291,15 @@ resource "openstack_compute_instance_v2" "etcd_custom_volume_size" {
 
 resource "openstack_compute_instance_v2" "k8s_master_no_floating_ip" {
   name              = "${var.cluster_name}-k8s-master-nf-${count.index+1}"
-  count             = "${var.master_root_volume_size_in_gb == 0 ? var.number_of_k8s_masters_no_floating_ip : 0}"
+  count             = "${var.number_of_k8s_masters_no_floating_ip}"
   availability_zone = "${element(var.az_list, count.index)}"
   image_name        = "${var.image}"
   flavor_id         = "${var.flavor_k8s_master}"
   key_pair          = "${openstack_compute_keypair_v2.k8s.name}"
 
-  network {
+  dynamic "block_device" {
-    name = "${var.network_name}"
+    for_each = var.master_root_volume_size_in_gb > 0 ? [var.image] : []
-  }
-
-  security_groups = ["${openstack_networking_secgroup_v2.k8s_master.name}",
-    "${openstack_networking_secgroup_v2.k8s.name}",
-  ]
-  
-  dynamic "scheduler_hints" {
-    for_each = var.use_server_groups ? [openstack_compute_servergroup_v2.k8s_master[0]] : []
     content {
-      group = "${openstack_compute_servergroup_v2.k8s_master[0].id}"
-    }
-  }
-
-  metadata = {
-    ssh_user         = "${var.ssh_user}"
-    kubespray_groups = "etcd,kube-master,${var.supplementary_master_groups},k8s-cluster,vault,no-floating"
-    depends_on       = "${var.network_id}"
-    use_access_ip    = "${var.use_access_ip}"
-  }
-}
-
-resource "openstack_compute_instance_v2" "k8s_master_no_floating_ip_custom_volume_size" {
-  name              = "${var.cluster_name}-k8s-master-nf-${count.index+1}"
-  count             = "${var.master_root_volume_size_in_gb > 0 ? var.number_of_k8s_masters_no_floating_ip : 0}"
-  availability_zone = "${element(var.az_list, count.index)}"
-  image_name        = "${var.image}"
-  flavor_id         = "${var.flavor_k8s_master}"
-  key_pair          = "${openstack_compute_keypair_v2.k8s.name}"
-
-  block_device {
       uuid                  = "${data.openstack_images_image_v2.vm_image.id}"
       source_type           = "image"
       volume_size           = "${var.master_root_volume_size_in_gb}"
@@ -448,6 +307,7 @@ resource "openstack_compute_instance_v2" "k8s_master_no_floating_ip_custom_volum
       destination_type      = "volume"
       delete_on_termination = true
     }
+  }
 
   network {
     name = "${var.network_name}"
@@ -474,44 +334,15 @@ resource "openstack_compute_instance_v2" "k8s_master_no_floating_ip_custom_volum
 
 resource "openstack_compute_instance_v2" "k8s_master_no_floating_ip_no_etcd" {
   name              = "${var.cluster_name}-k8s-master-ne-nf-${count.index+1}"
-  count             = "${var.master_root_volume_size_in_gb == 0 ? var.number_of_k8s_masters_no_floating_ip_no_etcd : 0}"
+  count             = "${var.number_of_k8s_masters_no_floating_ip_no_etcd}"
   availability_zone = "${element(var.az_list, count.index)}"
   image_name        = "${var.image}"
   flavor_id         = "${var.flavor_k8s_master}"
   key_pair          = "${openstack_compute_keypair_v2.k8s.name}"
 
-  network {
+  dynamic "block_device" {
-    name = "${var.network_name}"
+    for_each = var.master_root_volume_size_in_gb > 0 ? [var.image] : []
-  }
-
-  security_groups = ["${openstack_networking_secgroup_v2.k8s_master.name}",
-    "${openstack_networking_secgroup_v2.k8s.name}",
-  ]
-  
-  dynamic "scheduler_hints" {
-    for_each = var.use_server_groups ? [openstack_compute_servergroup_v2.k8s_master[0]] : []
     content {
-      group = "${openstack_compute_servergroup_v2.k8s_master[0].id}"
-    }
-  }
-
-  metadata = {
-    ssh_user         = "${var.ssh_user}"
-    kubespray_groups = "kube-master,${var.supplementary_master_groups},k8s-cluster,vault,no-floating"
-    depends_on       = "${var.network_id}"
-    use_access_ip    = "${var.use_access_ip}"
-  }
-}
-
-resource "openstack_compute_instance_v2" "k8s_master_no_floating_ip_no_etcd_custom_volume_size" {
-  name              = "${var.cluster_name}-k8s-master-ne-nf-${count.index+1}"
-  count             = "${var.master_root_volume_size_in_gb > 0 ? var.number_of_k8s_masters_no_floating_ip_no_etcd : 0}"
-  availability_zone = "${element(var.az_list, count.index)}"
-  image_name        = "${var.image}"
-  flavor_id         = "${var.flavor_k8s_master}"
-  key_pair          = "${openstack_compute_keypair_v2.k8s.name}"
-
-  block_device {
       uuid                  = "${data.openstack_images_image_v2.vm_image.id}"
       source_type           = "image"
       volume_size           = "${var.master_root_volume_size_in_gb}"
@@ -519,6 +350,7 @@ resource "openstack_compute_instance_v2" "k8s_master_no_floating_ip_no_etcd_cust
       destination_type      = "volume"
       delete_on_termination = true
     }
+  }
 
   network {
     name = "${var.network_name}"
@@ -545,48 +377,15 @@ resource "openstack_compute_instance_v2" "k8s_master_no_floating_ip_no_etcd_cust
 
 resource "openstack_compute_instance_v2" "k8s_node" {
   name              = "${var.cluster_name}-k8s-node-${count.index+1}"
-  count             = "${var.node_root_volume_size_in_gb == 0 ? var.number_of_k8s_nodes : 0}"
+  count             = "${var.number_of_k8s_nodes}"
   availability_zone = "${element(var.az_list_node, count.index)}"
   image_name        = "${var.image}"
   flavor_id         = "${var.flavor_k8s_node}"
   key_pair          = "${openstack_compute_keypair_v2.k8s.name}"
 
-  network {
+  dynamic "block_device" {
-    name = "${var.network_name}"
+    for_each = var.node_root_volume_size_in_gb > 0 ? [var.image] : []
-  }
-
-  security_groups = ["${openstack_networking_secgroup_v2.k8s.name}",
-    "${openstack_networking_secgroup_v2.worker.name}",
-  ]
-
-  dynamic "scheduler_hints" {
-    for_each = var.use_server_groups ? [openstack_compute_servergroup_v2.k8s_node[0]] : []
     content {
-      group = "${openstack_compute_servergroup_v2.k8s_node[0].id}"
-    }
-  }
-
-  metadata = {
-    ssh_user         = "${var.ssh_user}"
-    kubespray_groups = "kube-node,k8s-cluster,${var.supplementary_node_groups}"
-    depends_on       = "${var.network_id}"
-    use_access_ip    = "${var.use_access_ip}"
-  }
-
-  provisioner "local-exec" {
-    command = "sed s/USER/${var.ssh_user}/ ../../contrib/terraform/openstack/ansible_bastion_template.txt | sed s/BASTION_ADDRESS/${element( concat(var.bastion_fips, var.k8s_node_fips), 0)}/ > group_vars/no-floating.yml"
-  }
-}
-
-resource "openstack_compute_instance_v2" "k8s_node_custom_volume_size" {
-  name              = "${var.cluster_name}-k8s-node-${count.index+1}"
-  count             = "${var.node_root_volume_size_in_gb > 0 ? var.number_of_k8s_nodes : 0}"
-  availability_zone = "${element(var.az_list_node, count.index)}"
-  image_name        = "${var.image}"
-  flavor_id         = "${var.flavor_k8s_node}"
-  key_pair          = "${openstack_compute_keypair_v2.k8s.name}"
-
-  block_device {
       uuid                  = "${data.openstack_images_image_v2.vm_image.id}"
       source_type           = "image"
       volume_size           = "${var.node_root_volume_size_in_gb}"
@@ -594,6 +393,7 @@ resource "openstack_compute_instance_v2" "k8s_node_custom_volume_size" {
       destination_type      = "volume"
       delete_on_termination = true
     }
+  }
 
   network {
     name = "${var.network_name}"
@@ -624,44 +424,15 @@ resource "openstack_compute_instance_v2" "k8s_node_custom_volume_size" {
 
 resource "openstack_compute_instance_v2" "k8s_node_no_floating_ip" {
   name              = "${var.cluster_name}-k8s-node-nf-${count.index+1}"
-  count             = "${var.node_root_volume_size_in_gb == 0 ? var.number_of_k8s_nodes_no_floating_ip : 0}"
+  count             = "${var.number_of_k8s_nodes_no_floating_ip}"
   availability_zone = "${element(var.az_list_node, count.index)}"
   image_name        = "${var.image}"
   flavor_id         = "${var.flavor_k8s_node}"
   key_pair          = "${openstack_compute_keypair_v2.k8s.name}"
 
-  network {
+  dynamic "block_device" {
-    name = "${var.network_name}"
+    for_each = var.node_root_volume_size_in_gb > 0 ? [var.image] : []
-  }
-
-  security_groups = ["${openstack_networking_secgroup_v2.k8s.name}",
-    "${openstack_networking_secgroup_v2.worker.name}",
-  ]
-  
-  dynamic "scheduler_hints" {
-    for_each = var.use_server_groups ? [openstack_compute_servergroup_v2.k8s_node[0]] : []
     content {
-      group = "${openstack_compute_servergroup_v2.k8s_node[0].id}"
-    }
-  }
-
-  metadata = {
-    ssh_user         = "${var.ssh_user}"
-    kubespray_groups = "kube-node,k8s-cluster,no-floating,${var.supplementary_node_groups}"
-    depends_on       = "${var.network_id}"
-    use_access_ip    = "${var.use_access_ip}"
-  }
-}
-
-resource "openstack_compute_instance_v2" "k8s_node_no_floating_ip_custom_volume_size" {
-  name              = "${var.cluster_name}-k8s-node-nf-${count.index+1}"
-  count             = "${var.node_root_volume_size_in_gb > 0 ? var.number_of_k8s_nodes_no_floating_ip : 0}"
-  availability_zone = "${element(var.az_list_node, count.index)}"
-  image_name        = "${var.image}"
-  flavor_id         = "${var.flavor_k8s_node}"
-  key_pair          = "${openstack_compute_keypair_v2.k8s.name}"
-
-  block_device {
       uuid                  = "${data.openstack_images_image_v2.vm_image.id}"
       source_type           = "image"
       volume_size           = "${var.node_root_volume_size_in_gb}"
@@ -669,6 +440,7 @@ resource "openstack_compute_instance_v2" "k8s_node_no_floating_ip_custom_volume_
       destination_type      = "volume"
       delete_on_termination = true
     }
+  }
 
   network {
     name = "${var.network_name}"
@@ -693,46 +465,68 @@ resource "openstack_compute_instance_v2" "k8s_node_no_floating_ip_custom_volume_
   }
 }
 
+resource "openstack_compute_instance_v2" "glusterfs_node_no_floating_ip" {
+  name              = "${var.cluster_name}-gfs-node-nf-${count.index+1}"
+  count             = "${var.number_of_gfs_nodes_no_floating_ip}"
+  availability_zone = "${element(var.az_list, count.index)}"
+  image_name        = "${var.image_gfs}"
+  flavor_id         = "${var.flavor_gfs_node}"
+  key_pair          = "${openstack_compute_keypair_v2.k8s.name}"
+
+  dynamic "block_device" {
+    for_each = var.gfs_root_volume_size_in_gb > 0 ? [var.image] : []
+    content {
+      uuid                  = "${data.openstack_images_image_v2.vm_image.id}"
+      source_type           = "image"
+      volume_size           = "${var.gfs_root_volume_size_in_gb}"
+      boot_index            = 0
+      destination_type      = "volume"
+      delete_on_termination = true
+    }
+  }
+
+  network {
+    name = "${var.network_name}"
+  }
+
+  security_groups = ["${openstack_networking_secgroup_v2.k8s.name}"]
+  
+  dynamic "scheduler_hints" {
+    for_each = var.use_server_groups ? [openstack_compute_servergroup_v2.k8s_node[0]] : []
+    content {
+      group = "${openstack_compute_servergroup_v2.k8s_node[0].id}"
+    }
+  }
+
+  metadata = {
+    ssh_user         = "${var.ssh_user_gfs}"
+    kubespray_groups = "gfs-cluster,network-storage,no-floating"
+    depends_on       = "${var.network_id}"
+    use_access_ip    = "${var.use_access_ip}"
+  }
+}
+
 resource "openstack_compute_floatingip_associate_v2" "bastion" {
-  count                 = "${var.bastion_root_volume_size_in_gb == 0 ? var.number_of_bastions : 0}"
+  count                 = "${var.number_of_bastions}"
   floating_ip           = "${var.bastion_fips[count.index]}"
   instance_id           = "${element(openstack_compute_instance_v2.bastion.*.id, count.index)}"
   wait_until_associated = "${var.wait_for_floatingip}"
 }
 
-resource "openstack_compute_floatingip_associate_v2" "bastion_custom_volume_size" {
-  count                 = "${var.bastion_root_volume_size_in_gb > 0 ? var.number_of_bastions : 0}"
-  floating_ip           = "${var.bastion_fips[count.index]}"
-  instance_id           = "${element(openstack_compute_instance_v2.bastion_custom_volume_size.*.id, count.index)}"
-  wait_until_associated = "${var.wait_for_floatingip}"
-}
 
 resource "openstack_compute_floatingip_associate_v2" "k8s_master" {
-  count                 = "${var.master_root_volume_size_in_gb == 0 ? var.number_of_k8s_masters : 0}"
+  count                 = "${var.number_of_k8s_masters}"
   instance_id           = "${element(openstack_compute_instance_v2.k8s_master.*.id, count.index)}"
   floating_ip           = "${var.k8s_master_fips[count.index]}"
   wait_until_associated = "${var.wait_for_floatingip}"
 }
 
-resource "openstack_compute_floatingip_associate_v2" "k8s_master_custom_volume_size" {
-  count                 = "${var.master_root_volume_size_in_gb > 0 ? var.number_of_k8s_masters : 0}"
-  instance_id           = "${element(openstack_compute_instance_v2.k8s_master_custom_volume_size.*.id, count.index)}"
-  floating_ip           = "${var.k8s_master_fips[count.index]}"
-  wait_until_associated = "${var.wait_for_floatingip}"
-}
-
 resource "openstack_compute_floatingip_associate_v2" "k8s_master_no_etcd" {
   count       = "${var.master_root_volume_size_in_gb == 0 ? var.number_of_k8s_masters_no_etcd : 0}"
   instance_id = "${element(openstack_compute_instance_v2.k8s_master_no_etcd.*.id, count.index)}"
   floating_ip = "${var.k8s_master_no_etcd_fips[count.index]}"
 }
 
-resource "openstack_compute_floatingip_associate_v2" "k8s_master_no_etcd_custom_volume_size" {
-  count       = "${var.master_root_volume_size_in_gb > 0 ? var.number_of_k8s_masters_no_etcd : 0}"
-  instance_id = "${element(openstack_compute_instance_v2.k8s_master_no_etcd_custom_volume_size.*.id, count.index)}"
-  floating_ip = "${var.k8s_master_no_etcd_fips[count.index]}"
-}
-
 resource "openstack_compute_floatingip_associate_v2" "k8s_node" {
   count                 = "${var.node_root_volume_size_in_gb == 0 ? var.number_of_k8s_nodes : 0}"
   floating_ip           = "${var.k8s_node_fips[count.index]}"
@@ -740,13 +534,6 @@ resource "openstack_compute_floatingip_associate_v2" "k8s_node" {
   wait_until_associated = "${var.wait_for_floatingip}"
 }
 
-resource "openstack_compute_floatingip_associate_v2" "k8s_node_custom_volume_size" {
-  count                 = "${var.node_root_volume_size_in_gb > 0 ? var.number_of_k8s_nodes : 0}"
-  floating_ip           = "${var.k8s_node_fips[count.index]}"
-  instance_id           = "${element(openstack_compute_instance_v2.k8s_node_custom_volume_size.*.id, count.index)}"
-  wait_until_associated = "${var.wait_for_floatingip}"
-}
-
 resource "openstack_blockstorage_volume_v2" "glusterfs_volume" {
   name        = "${var.cluster_name}-glusterfs_volume-${count.index+1}"
   count       = "${var.gfs_root_volume_size_in_gb == 0 ? var.number_of_gfs_nodes_no_floating_ip : 0}"
@@ -754,88 +541,8 @@ resource "openstack_blockstorage_volume_v2" "glusterfs_volume" {
   size        = "${var.gfs_volume_size_in_gb}"
 }
 
-resource "openstack_blockstorage_volume_v2" "glusterfs_volume_custom_volume_size" {
-  name        = "${var.cluster_name}-glusterfs_volume-${count.index+1}"
-  count       = "${var.gfs_root_volume_size_in_gb > 0 ? var.number_of_gfs_nodes_no_floating_ip : 0}"
-  description = "Non-ephemeral volume for GlusterFS"
-  size        = "${var.gfs_volume_size_in_gb}"
-}
-
-resource "openstack_compute_instance_v2" "glusterfs_node_no_floating_ip" {
-  name              = "${var.cluster_name}-gfs-node-nf-${count.index+1}"
-  count             = "${var.gfs_root_volume_size_in_gb == 0 ? var.number_of_gfs_nodes_no_floating_ip : 0}"
-  availability_zone = "${element(var.az_list, count.index)}"
-  image_name        = "${var.image_gfs}"
-  flavor_id         = "${var.flavor_gfs_node}"
-  key_pair          = "${openstack_compute_keypair_v2.k8s.name}"
-
-  network {
-    name = "${var.network_name}"
-  }
-
-  security_groups = ["${openstack_networking_secgroup_v2.k8s.name}"]
-  
-  dynamic "scheduler_hints" {
-    for_each = var.use_server_groups ? [openstack_compute_servergroup_v2.k8s_node[0]] : []
-    content {
-      group = "${openstack_compute_servergroup_v2.k8s_node[0].id}"
-    }
-  }
-
-  metadata = {
-    ssh_user         = "${var.ssh_user_gfs}"
-    kubespray_groups = "gfs-cluster,network-storage,no-floating"
-    depends_on       = "${var.network_id}"
-    use_access_ip    = "${var.use_access_ip}"
-  }
-}
-
-resource "openstack_compute_instance_v2" "glusterfs_node_no_floating_ip_custom_volume_size" {
-  name              = "${var.cluster_name}-gfs-node-nf-${count.index+1}"
-  count             = "${var.gfs_root_volume_size_in_gb > 0 ? var.number_of_gfs_nodes_no_floating_ip : 0}"
-  availability_zone = "${element(var.az_list, count.index)}"
-  image_name        = "${var.image}"
-  flavor_id         = "${var.flavor_gfs_node}"
-  key_pair          = "${openstack_compute_keypair_v2.k8s.name}"
-
-  block_device {
-    uuid                  = "${data.openstack_images_image_v2.gfs_image.id}"
-    source_type           = "image"
-    volume_size           = "${var.gfs_root_volume_size_in_gb}"
-    boot_index            = 0
-    destination_type      = "volume"
-    delete_on_termination = true
-  }
-
-  network {
-    name = "${var.network_name}"
-  }
-
-  security_groups = ["${openstack_networking_secgroup_v2.k8s.name}"]
-  
-  dynamic "scheduler_hints" {
-    for_each = var.use_server_groups ? [openstack_compute_servergroup_v2.k8s_node[0]] : []
-    content {
-      group = "${openstack_compute_servergroup_v2.k8s_node[0].id}"
-    }
-  }
-
-  metadata = {
-    ssh_user         = "${var.ssh_user_gfs}"
-    kubespray_groups = "gfs-cluster,network-storage,no-floating"
-    depends_on       = "${var.network_id}"
-    use_access_ip    = "${var.use_access_ip}"
-  }
-}
-
 resource "openstack_compute_volume_attach_v2" "glusterfs_volume" {
   count       = "${var.gfs_root_volume_size_in_gb == 0 ? var.number_of_gfs_nodes_no_floating_ip : 0}"
   instance_id = "${element(openstack_compute_instance_v2.glusterfs_node_no_floating_ip.*.id, count.index)}"
   volume_id   = "${element(openstack_blockstorage_volume_v2.glusterfs_volume.*.id, count.index)}"
 }
-
-resource "openstack_compute_volume_attach_v2" "glusterfs_volume_custom_root_volume_size" {
-  count       = "${var.gfs_root_volume_size_in_gb > 0 ? var.number_of_gfs_nodes_no_floating_ip : 0}"
-  instance_id = "${element(openstack_compute_instance_v2.glusterfs_node_no_floating_ip_custom_volume_size.*.id, count.index)}"
-  volume_id   = "${element(openstack_blockstorage_volume_v2.glusterfs_volume_custom_volume_size.*.id, count.index)}"
-}