c12s-kubespray/contrib/terraform/openstack/modules/compute/main.tf

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data "openstack_images_image_v2" "vm_image" {
count = var.image_uuid == "" ? 1 : 0
most_recent = true
name = var.image
}
data "openstack_images_image_v2" "gfs_image" {
count = var.image_gfs_uuid == "" ? var.image_uuid == "" ? 1 : 0 : 0
most_recent = true
name = var.image_gfs == "" ? var.image : var.image_gfs
}
data "openstack_images_image_v2" "image_master" {
count = var.image_master_uuid == "" ? var.image_uuid == "" ? 1 : 0 : 0
name = var.image_master == "" ? var.image : var.image_master
}
resource "openstack_compute_keypair_v2" "k8s" {
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name = "kubernetes-${var.cluster_name}"
public_key = chomp(file(var.public_key_path))
}
resource "openstack_networking_secgroup_v2" "k8s_master" {
name = "${var.cluster_name}-k8s-master"
description = "${var.cluster_name} - Kubernetes Master"
delete_default_rules = true
}
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resource "openstack_networking_secgroup_v2" "k8s_master_extra" {
count = "%{if var.extra_sec_groups}1%{else}0%{endif}"
name = "${var.cluster_name}-k8s-master-${var.extra_sec_groups_name}"
description = "${var.cluster_name} - Kubernetes Master nodes - rules not managed by terraform"
delete_default_rules = true
}
resource "openstack_networking_secgroup_rule_v2" "k8s_master" {
count = length(var.master_allowed_remote_ips)
direction = "ingress"
ethertype = "IPv4"
protocol = "tcp"
port_range_min = "6443"
port_range_max = "6443"
remote_ip_prefix = var.master_allowed_remote_ips[count.index]
security_group_id = openstack_networking_secgroup_v2.k8s_master.id
}
resource "openstack_networking_secgroup_rule_v2" "k8s_master_ports" {
count = length(var.master_allowed_ports)
direction = "ingress"
ethertype = "IPv4"
protocol = lookup(var.master_allowed_ports[count.index], "protocol", "tcp")
port_range_min = lookup(var.master_allowed_ports[count.index], "port_range_min")
port_range_max = lookup(var.master_allowed_ports[count.index], "port_range_max")
remote_ip_prefix = lookup(var.master_allowed_ports[count.index], "remote_ip_prefix", "0.0.0.0/0")
security_group_id = openstack_networking_secgroup_v2.k8s_master.id
}
resource "openstack_networking_secgroup_v2" "bastion" {
name = "${var.cluster_name}-bastion"
count = var.number_of_bastions != "" ? 1 : 0
description = "${var.cluster_name} - Bastion Server"
delete_default_rules = true
}
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resource "openstack_networking_secgroup_rule_v2" "bastion" {
count = var.number_of_bastions != "" ? length(var.bastion_allowed_remote_ips) : 0
direction = "ingress"
ethertype = "IPv4"
protocol = "tcp"
port_range_min = "22"
port_range_max = "22"
remote_ip_prefix = var.bastion_allowed_remote_ips[count.index]
security_group_id = openstack_networking_secgroup_v2.bastion[0].id
}
resource "openstack_networking_secgroup_v2" "k8s" {
name = "${var.cluster_name}-k8s"
description = "${var.cluster_name} - Kubernetes"
delete_default_rules = true
}
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resource "openstack_networking_secgroup_rule_v2" "k8s" {
direction = "ingress"
ethertype = "IPv4"
remote_group_id = openstack_networking_secgroup_v2.k8s.id
security_group_id = openstack_networking_secgroup_v2.k8s.id
}
resource "openstack_networking_secgroup_rule_v2" "k8s_allowed_remote_ips" {
count = length(var.k8s_allowed_remote_ips)
direction = "ingress"
ethertype = "IPv4"
protocol = "tcp"
port_range_min = "22"
port_range_max = "22"
remote_ip_prefix = var.k8s_allowed_remote_ips[count.index]
security_group_id = openstack_networking_secgroup_v2.k8s.id
}
resource "openstack_networking_secgroup_rule_v2" "egress" {
count = length(var.k8s_allowed_egress_ips)
direction = "egress"
ethertype = "IPv4"
remote_ip_prefix = var.k8s_allowed_egress_ips[count.index]
security_group_id = openstack_networking_secgroup_v2.k8s.id
}
resource "openstack_networking_secgroup_v2" "worker" {
name = "${var.cluster_name}-k8s-worker"
description = "${var.cluster_name} - Kubernetes worker nodes"
delete_default_rules = true
}
resource "openstack_networking_secgroup_v2" "worker_extra" {
count = "%{if var.extra_sec_groups}1%{else}0%{endif}"
name = "${var.cluster_name}-k8s-worker-${var.extra_sec_groups_name}"
description = "${var.cluster_name} - Kubernetes worker nodes - rules not managed by terraform"
delete_default_rules = true
}
resource "openstack_networking_secgroup_rule_v2" "worker" {
count = length(var.worker_allowed_ports)
direction = "ingress"
ethertype = "IPv4"
protocol = lookup(var.worker_allowed_ports[count.index], "protocol", "tcp")
port_range_min = lookup(var.worker_allowed_ports[count.index], "port_range_min")
port_range_max = lookup(var.worker_allowed_ports[count.index], "port_range_max")
remote_ip_prefix = lookup(var.worker_allowed_ports[count.index], "remote_ip_prefix", "0.0.0.0/0")
security_group_id = openstack_networking_secgroup_v2.worker.id
}
resource "openstack_compute_servergroup_v2" "k8s_master" {
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count = "%{if var.use_server_groups}1%{else}0%{endif}"
name = "k8s-master-srvgrp"
policies = ["anti-affinity"]
}
resource "openstack_compute_servergroup_v2" "k8s_node" {
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count = "%{if var.use_server_groups}1%{else}0%{endif}"
name = "k8s-node-srvgrp"
policies = ["anti-affinity"]
}
resource "openstack_compute_servergroup_v2" "k8s_etcd" {
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count = "%{if var.use_server_groups}1%{else}0%{endif}"
name = "k8s-etcd-srvgrp"
policies = ["anti-affinity"]
}
locals {
# master groups
master_sec_groups = compact([
openstack_networking_secgroup_v2.k8s_master.name,
openstack_networking_secgroup_v2.k8s.name,
var.extra_sec_groups ?openstack_networking_secgroup_v2.k8s_master_extra[0].name : "",
])
# worker groups
worker_sec_groups = compact([
openstack_networking_secgroup_v2.k8s.name,
openstack_networking_secgroup_v2.worker.name,
var.extra_sec_groups ? openstack_networking_secgroup_v2.worker_extra[0].name : "",
])
# Image uuid
image_to_use_node = var.image_uuid != "" ? var.image_uuid : data.openstack_images_image_v2.vm_image[0].id
# Image_gfs uuid
image_to_use_gfs = var.image_gfs_uuid != "" ? var.image_gfs_uuid : var.image_uuid != "" ? var.image_uuid : data.openstack_images_image_v2.gfs_image[0].id
# image_master uuidimage_gfs_uuid
image_to_use_master = var.image_master_uuid != "" ? var.image_master_uuid : var.image_uuid != "" ? var.image_uuid : data.openstack_images_image_v2.image_master[0].id
}
resource "openstack_compute_instance_v2" "bastion" {
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name = "${var.cluster_name}-bastion-${count.index + 1}"
count = var.number_of_bastions
image_id = var.bastion_root_volume_size_in_gb == 0 ? local.image_to_use_node : null
flavor_id = var.flavor_bastion
key_pair = openstack_compute_keypair_v2.k8s.name
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dynamic "block_device" {
for_each = var.bastion_root_volume_size_in_gb > 0 ? [local.image_to_use_node] : []
content {
uuid = local.image_to_use_node
source_type = "image"
volume_size = var.bastion_root_volume_size_in_gb
boot_index = 0
destination_type = "volume"
delete_on_termination = true
}
}
network {
name = var.network_name
}
security_groups = [openstack_networking_secgroup_v2.k8s.name,
element(openstack_networking_secgroup_v2.bastion.*.name, count.index),
]
metadata = {
ssh_user = var.ssh_user
kubespray_groups = "bastion"
depends_on = var.network_id
use_access_ip = var.use_access_ip
}
provisioner "local-exec" {
command = "sed s/USER/${var.ssh_user}/ ../../contrib/terraform/openstack/ansible_bastion_template.txt | sed s/BASTION_ADDRESS/${var.bastion_fips[0]}/ > group_vars/no_floating.yml"
}
}
resource "openstack_compute_instance_v2" "k8s_master" {
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name = "${var.cluster_name}-k8s-master-${count.index + 1}"
count = var.number_of_k8s_masters
availability_zone = element(var.az_list, count.index)
image_id = var.master_root_volume_size_in_gb == 0 ? local.image_to_use_master : null
flavor_id = var.flavor_k8s_master
key_pair = openstack_compute_keypair_v2.k8s.name
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dynamic "block_device" {
for_each = var.master_root_volume_size_in_gb > 0 ? [local.image_to_use_master] : []
content {
uuid = local.image_to_use_master
source_type = "image"
volume_size = var.master_root_volume_size_in_gb
volume_type = var.master_volume_type
boot_index = 0
destination_type = "volume"
delete_on_termination = true
}
}
network {
name = var.network_name
}
security_groups = local.master_sec_groups
dynamic "scheduler_hints" {
for_each = var.use_server_groups ? [openstack_compute_servergroup_v2.k8s_master[0]] : []
content {
group = openstack_compute_servergroup_v2.k8s_master[0].id
}
}
metadata = {
ssh_user = var.ssh_user
kubespray_groups = "etcd,kube_control_plane,${var.supplementary_master_groups},k8s_cluster"
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" {
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name = "${var.cluster_name}-k8s-master-ne-${count.index + 1}"
count = var.number_of_k8s_masters_no_etcd
availability_zone = element(var.az_list, count.index)
image_id = var.master_root_volume_size_in_gb == 0 ? local.image_to_use_master : null
flavor_id = var.flavor_k8s_master
key_pair = openstack_compute_keypair_v2.k8s.name
dynamic "block_device" {
for_each = var.master_root_volume_size_in_gb > 0 ? [local.image_to_use_master] : []
content {
uuid = local.image_to_use_master
source_type = "image"
volume_size = var.master_root_volume_size_in_gb
volume_type = var.master_volume_type
boot_index = 0
destination_type = "volume"
delete_on_termination = true
}
}
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network {
name = var.network_name
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}
security_groups = local.master_sec_groups
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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
}
}
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metadata = {
ssh_user = var.ssh_user
kubespray_groups = "kube_control_plane,${var.supplementary_master_groups},k8s_cluster"
depends_on = var.network_id
use_access_ip = var.use_access_ip
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}
provisioner "local-exec" {
command = "sed s/USER/${var.ssh_user}/ ../../contrib/terraform/openstack/ansible_bastion_template.txt | sed s/BASTION_ADDRESS/${element(concat(var.bastion_fips, var.k8s_master_fips), 0)}/ > group_vars/no_floating.yml"
}
}
resource "openstack_compute_instance_v2" "etcd" {
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name = "${var.cluster_name}-etcd-${count.index + 1}"
count = var.number_of_etcd
availability_zone = element(var.az_list, count.index)
image_id = var.etcd_root_volume_size_in_gb == 0 ? local.image_to_use_master : null
flavor_id = var.flavor_etcd
key_pair = openstack_compute_keypair_v2.k8s.name
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dynamic "block_device" {
for_each = var.etcd_root_volume_size_in_gb > 0 ? [local.image_to_use_master] : []
content {
uuid = local.image_to_use_master
source_type = "image"
volume_size = var.etcd_root_volume_size_in_gb
boot_index = 0
destination_type = "volume"
delete_on_termination = true
}
}
network {
name = var.network_name
}
security_groups = [openstack_networking_secgroup_v2.k8s.name]
dynamic "scheduler_hints" {
for_each = var.use_server_groups ? [openstack_compute_servergroup_v2.k8s_etcd[0]] : []
content {
group = openstack_compute_servergroup_v2.k8s_etcd[0].id
}
}
metadata = {
ssh_user = var.ssh_user
kubespray_groups = "etcd,no_floating"
depends_on = var.network_id
use_access_ip = var.use_access_ip
}
}
resource "openstack_compute_instance_v2" "k8s_master_no_floating_ip" {
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name = "${var.cluster_name}-k8s-master-nf-${count.index + 1}"
count = var.number_of_k8s_masters_no_floating_ip
availability_zone = element(var.az_list, count.index)
image_id = var.master_root_volume_size_in_gb == 0 ? local.image_to_use_master : null
flavor_id = var.flavor_k8s_master
key_pair = openstack_compute_keypair_v2.k8s.name
dynamic "block_device" {
for_each = var.master_root_volume_size_in_gb > 0 ? [local.image_to_use_master] : []
content {
uuid = local.image_to_use_master
source_type = "image"
volume_size = var.master_root_volume_size_in_gb
volume_type = var.master_volume_type
boot_index = 0
destination_type = "volume"
delete_on_termination = true
}
}
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network {
name = var.network_name
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}
security_groups = local.master_sec_groups
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dynamic "scheduler_hints" {
for_each = var.use_server_groups ? [openstack_compute_servergroup_v2.k8s_master[0]] : []
content {
group = openstack_compute_servergroup_v2.k8s_master[0].id
}
}
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metadata = {
ssh_user = var.ssh_user
kubespray_groups = "etcd,kube_control_plane,${var.supplementary_master_groups},k8s_cluster,no_floating"
depends_on = var.network_id
use_access_ip = var.use_access_ip
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}
}
resource "openstack_compute_instance_v2" "k8s_master_no_floating_ip_no_etcd" {
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name = "${var.cluster_name}-k8s-master-ne-nf-${count.index + 1}"
count = var.number_of_k8s_masters_no_floating_ip_no_etcd
availability_zone = element(var.az_list, count.index)
image_id = var.master_root_volume_size_in_gb == 0 ? local.image_to_use_master : null
flavor_id = var.flavor_k8s_master
key_pair = openstack_compute_keypair_v2.k8s.name
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dynamic "block_device" {
for_each = var.master_root_volume_size_in_gb > 0 ? [local.image_to_use_master] : []
content {
uuid = local.image_to_use_master
source_type = "image"
volume_size = var.master_root_volume_size_in_gb
volume_type = var.master_volume_type
boot_index = 0
destination_type = "volume"
delete_on_termination = true
}
}
network {
name = var.network_name
}
security_groups = local.master_sec_groups
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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_control_plane,${var.supplementary_master_groups},k8s_cluster,no_floating"
depends_on = var.network_id
use_access_ip = var.use_access_ip
}
}
resource "openstack_compute_instance_v2" "k8s_node" {
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name = "${var.cluster_name}-k8s-node-${count.index + 1}"
count = var.number_of_k8s_nodes
availability_zone = element(var.az_list_node, count.index)
image_id = var.node_root_volume_size_in_gb == 0 ? local.image_to_use_node : null
flavor_id = var.flavor_k8s_node
key_pair = openstack_compute_keypair_v2.k8s.name
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dynamic "block_device" {
for_each = var.node_root_volume_size_in_gb > 0 ? [local.image_to_use_node] : []
content {
uuid = local.image_to_use_node
source_type = "image"
volume_size = var.node_root_volume_size_in_gb
boot_index = 0
destination_type = "volume"
delete_on_termination = true
}
}
network {
name = var.network_name
}
security_groups = local.worker_sec_groups
dynamic "scheduler_hints" {
for_each = var.use_server_groups ? [openstack_compute_servergroup_v2.k8s_node[0]] : []
content {
group = openstack_compute_servergroup_v2.k8s_node[0].id
}
}
metadata = {
ssh_user = var.ssh_user
kubespray_groups = "kube_node,k8s_cluster,${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_no_floating_ip" {
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name = "${var.cluster_name}-k8s-node-nf-${count.index + 1}"
count = var.number_of_k8s_nodes_no_floating_ip
availability_zone = element(var.az_list_node, count.index)
image_id = var.node_root_volume_size_in_gb == 0 ? local.image_to_use_node : null
flavor_id = var.flavor_k8s_node
key_pair = openstack_compute_keypair_v2.k8s.name
dynamic "block_device" {
for_each = var.node_root_volume_size_in_gb > 0 ? [local.image_to_use_node] : []
content {
uuid = local.image_to_use_node
source_type = "image"
volume_size = var.node_root_volume_size_in_gb
boot_index = 0
destination_type = "volume"
delete_on_termination = true
}
}
network {
name = var.network_name
}
security_groups = local.worker_sec_groups
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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,${var.supplementary_node_groups}"
depends_on = var.network_id
use_access_ip = var.use_access_ip
}
}
resource "openstack_compute_instance_v2" "k8s_nodes" {
for_each = var.number_of_k8s_nodes == 0 && var.number_of_k8s_nodes_no_floating_ip == 0 ? var.k8s_nodes : {}
name = "${var.cluster_name}-k8s-node-${each.key}"
availability_zone = each.value.az
image_id = var.node_root_volume_size_in_gb == 0 ? local.image_to_use_node : null
flavor_id = each.value.flavor
key_pair = openstack_compute_keypair_v2.k8s.name
dynamic "block_device" {
for_each = var.node_root_volume_size_in_gb > 0 ? [local.image_to_use_node] : []
content {
uuid = local.image_to_use_node
source_type = "image"
volume_size = var.node_root_volume_size_in_gb
boot_index = 0
destination_type = "volume"
delete_on_termination = true
}
}
network {
name = var.network_name
}
security_groups = local.worker_sec_groups
dynamic "scheduler_hints" {
for_each = var.use_server_groups ? [openstack_compute_servergroup_v2.k8s_node[0]] : []
content {
group = openstack_compute_servergroup_v2.k8s_node[0].id
}
}
metadata = {
ssh_user = var.ssh_user
kubespray_groups = "kube_node,k8s_cluster,%{if each.value.floating_ip == false}no_floating,%{endif}${var.supplementary_node_groups}"
depends_on = var.network_id
use_access_ip = var.use_access_ip
}
provisioner "local-exec" {
command = "%{if each.value.floating_ip}sed s/USER/${var.ssh_user}/ ../../contrib/terraform/openstack/ansible_bastion_template.txt | sed s/BASTION_ADDRESS/${element(concat(var.bastion_fips, [for key, value in var.k8s_nodes_fips : value.address]), 0)}/ > group_vars/no_floating.yml%{else}true%{endif}"
}
}
resource "openstack_compute_instance_v2" "glusterfs_node_no_floating_ip" {
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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.gfs_root_volume_size_in_gb == 0 ? local.image_to_use_gfs : null
flavor_id = var.flavor_gfs_node
key_pair = openstack_compute_keypair_v2.k8s.name
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dynamic "block_device" {
for_each = var.gfs_root_volume_size_in_gb > 0 ? [local.image_to_use_gfs] : []
content {
uuid = local.image_to_use_gfs
source_type = "image"
volume_size = var.gfs_root_volume_size_in_gb
boot_index = 0
destination_type = "volume"
delete_on_termination = true
}
}
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network {
name = var.network_name
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}
security_groups = [openstack_networking_secgroup_v2.k8s.name]
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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
}
}
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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
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}
}
resource "openstack_compute_floatingip_associate_v2" "bastion" {
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" "k8s_master" {
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_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_node" {
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[*].id, count.index)
wait_until_associated = var.wait_for_floatingip
}
resource "openstack_compute_floatingip_associate_v2" "k8s_nodes" {
for_each = var.number_of_k8s_nodes == 0 && var.number_of_k8s_nodes_no_floating_ip == 0 ? { for key, value in var.k8s_nodes : key => value if value.floating_ip } : {}
floating_ip = var.k8s_nodes_fips[each.key].address
instance_id = openstack_compute_instance_v2.k8s_nodes[each.key].id
wait_until_associated = var.wait_for_floatingip
}
resource "openstack_blockstorage_volume_v2" "glusterfs_volume" {
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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_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)
}