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

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variable user_data {
type = "string"
default = <<EOF
#cloud-config
manage_etc_hosts: localhost
package_update: true
package_upgrade: true
EOF
}
resource "openstack_compute_keypair_v2" "k8s" {
name = "kubernetes-${var.cluster_name}"
public_key = "${chomp(file(var.public_key_path))}"
}
resource "openstack_compute_secgroup_v2" "k8s_master" {
name = "${var.cluster_name}-k8s-master"
description = "${var.cluster_name} - Kubernetes Master"
rule {
ip_protocol = "tcp"
from_port = "6443"
to_port = "6443"
cidr = "0.0.0.0/0"
}
}
resource "openstack_compute_secgroup_v2" "bastion" {
name = "${var.cluster_name}-bastion"
description = "${var.cluster_name} - Bastion Server"
rule {
ip_protocol = "tcp"
from_port = "22"
to_port = "22"
cidr = "0.0.0.0/0"
}
}
resource "openstack_compute_secgroup_v2" "k8s" {
name = "${var.cluster_name}-k8s"
description = "${var.cluster_name} - Kubernetes"
rule {
ip_protocol = "icmp"
from_port = "-1"
to_port = "-1"
cidr = "0.0.0.0/0"
}
rule {
ip_protocol = "tcp"
from_port = "1"
to_port = "65535"
self = true
}
rule {
ip_protocol = "udp"
from_port = "1"
to_port = "65535"
self = true
}
rule {
ip_protocol = "icmp"
from_port = "-1"
to_port = "-1"
self = true
}
}
resource "openstack_compute_instance_v2" "bastion" {
name = "${var.cluster_name}-bastion-${count.index+1}"
count = "${var.number_of_bastions}"
image_name = "${var.image}"
flavor_id = "${var.flavor_bastion}"
key_pair = "${openstack_compute_keypair_v2.k8s.name}"
network {
name = "${var.network_name}"
}
security_groups = [ "${openstack_compute_secgroup_v2.k8s.name}",
"${openstack_compute_secgroup_v2.bastion.name}",
"default" ]
metadata = {
ssh_user = "${var.ssh_user}"
kubespray_groups = "bastion"
depends_on = "${var.network_id}"
}
provisioner "local-exec" {
command = "sed s/USER/${var.ssh_user}/ contrib/terraform/openstack/ansible_bastion_template.txt | sed s/BASTION_ADDRESS/${var.bastion_fips[0]}/ > contrib/terraform/openstack/group_vars/no-floating.yml"
}
user_data = "${var.user_data}"
}
resource "openstack_compute_instance_v2" "k8s_master" {
name = "${var.cluster_name}-k8s-master-${count.index+1}"
count = "${var.number_of_k8s_masters}"
image_name = "${var.image}"
flavor_id = "${var.flavor_k8s_master}"
key_pair = "${openstack_compute_keypair_v2.k8s.name}"
network {
name = "${var.network_name}"
}
security_groups = [ "${openstack_compute_secgroup_v2.k8s_master.name}",
"${openstack_compute_secgroup_v2.bastion.name}",
"${openstack_compute_secgroup_v2.k8s.name}",
"default" ]
metadata = {
ssh_user = "${var.ssh_user}"
kubespray_groups = "etcd,kube-master,kube-node,k8s-cluster,vault"
depends_on = "${var.network_id}"
}
user_data = "${var.user_data}"
}
resource "openstack_compute_instance_v2" "k8s_master_no_etcd" {
name = "${var.cluster_name}-k8s-master-ne-${count.index+1}"
count = "${var.number_of_k8s_masters_no_etcd}"
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 = [ "${openstack_compute_secgroup_v2.k8s_master.name}",
"${openstack_compute_secgroup_v2.k8s.name}" ]
metadata = {
ssh_user = "${var.ssh_user}"
kubespray_groups = "kube-master,kube-node,k8s-cluster,vault"
depends_on = "${var.network_id}"
}
user_data = "${var.user_data}"
}
resource "openstack_compute_instance_v2" "etcd" {
name = "${var.cluster_name}-etcd-${count.index+1}"
count = "${var.number_of_etcd}"
image_name = "${var.image}"
flavor_id = "${var.flavor_etcd}"
key_pair = "${openstack_compute_keypair_v2.k8s.name}"
network {
name = "${var.network_name}"
}
security_groups = [ "${openstack_compute_secgroup_v2.k8s.name}" ]
metadata = {
ssh_user = "${var.ssh_user}"
kubespray_groups = "etcd,vault,no-floating"
depends_on = "${var.network_id}"
}
user_data = "${var.user_data}"
}
resource "openstack_compute_instance_v2" "k8s_master_no_floating_ip" {
name = "${var.cluster_name}-k8s-master-nf-${count.index+1}"
count = "${var.number_of_k8s_masters_no_floating_ip}"
image_name = "${var.image}"
flavor_id = "${var.flavor_k8s_master}"
key_pair = "${openstack_compute_keypair_v2.k8s.name}"
network {
name = "${var.network_name}"
}
security_groups = [ "${openstack_compute_secgroup_v2.k8s_master.name}",
"${openstack_compute_secgroup_v2.k8s.name}",
"default" ]
metadata = {
ssh_user = "${var.ssh_user}"
kubespray_groups = "etcd,kube-master,kube-node,k8s-cluster,vault,no-floating"
depends_on = "${var.network_id}"
}
user_data = "${var.user_data}"
}
resource "openstack_compute_instance_v2" "k8s_master_no_floating_ip_no_etcd" {
name = "${var.cluster_name}-k8s-master-ne-nf-${count.index+1}"
count = "${var.number_of_k8s_masters_no_floating_ip_no_etcd}"
image_name = "${var.image}"
flavor_id = "${var.flavor_k8s_master}"
key_pair = "${openstack_compute_keypair_v2.k8s.name}"
network {
name = "${var.network_name}"
}
security_groups = [ "${openstack_compute_secgroup_v2.k8s_master.name}",
"${openstack_compute_secgroup_v2.k8s.name}" ]
metadata = {
ssh_user = "${var.ssh_user}"
kubespray_groups = "kube-master,kube-node,k8s-cluster,vault,no-floating"
depends_on = "${var.network_id}"
}
user_data = "${var.user_data}"
}
resource "openstack_compute_instance_v2" "k8s_node" {
name = "${var.cluster_name}-k8s-node-${count.index+1}"
count = "${var.number_of_k8s_nodes}"
image_name = "${var.image}"
flavor_id = "${var.flavor_k8s_node}"
key_pair = "${openstack_compute_keypair_v2.k8s.name}"
network {
name = "${var.network_name}"
}
security_groups = [ "${openstack_compute_secgroup_v2.k8s.name}",
"${openstack_compute_secgroup_v2.bastion.name}",
"default" ]
metadata = {
ssh_user = "${var.ssh_user}"
kubespray_groups = "kube-node,k8s-cluster"
depends_on = "${var.network_id}"
}
user_data = "${var.user_data}"
}
resource "openstack_compute_instance_v2" "k8s_node_no_floating_ip" {
name = "${var.cluster_name}-k8s-node-nf-${count.index+1}"
count = "${var.number_of_k8s_nodes_no_floating_ip}"
image_name = "${var.image}"
flavor_id = "${var.flavor_k8s_node}"
key_pair = "${openstack_compute_keypair_v2.k8s.name}"
network {
name = "${var.network_name}"
}
security_groups = [ "${openstack_compute_secgroup_v2.k8s.name}",
"default" ]
metadata = {
ssh_user = "${var.ssh_user}"
kubespray_groups = "kube-node,k8s-cluster,no-floating"
depends_on = "${var.network_id}"
}
user_data = "${var.user_data}"
}
resource "openstack_compute_floatingip_associate_v2" "bastion" {
count = "${var.number_of_bastions}"
floating_ip = "${var.bastion_fips[count.index]}"
instance_id = "${element(openstack_compute_instance_v2.bastion.*.id, count.index)}"
}
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 = "${var.k8s_master_fips[count.index]}"
}
resource "openstack_compute_floatingip_associate_v2" "k8s_node" {
count = "${var.number_of_k8s_nodes}"
floating_ip = "${var.k8s_node_fips[count.index]}"
instance_id = "${element(openstack_compute_instance_v2.k8s_node.*.id, count.index)}"
}
resource "openstack_blockstorage_volume_v2" "glusterfs_volume" {
name = "${var.cluster_name}-glusterfs_volume-${count.index+1}"
count = "${var.number_of_gfs_nodes_no_floating_ip}"
description = "Non-ephemeral volume for GlusterFS"
size = "${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 = "${var.number_of_gfs_nodes_no_floating_ip}"
image_name = "${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_compute_secgroup_v2.k8s.name}",
"default" ]
metadata = {
ssh_user = "${var.ssh_user_gfs}"
kubespray_groups = "gfs-cluster,network-storage,no-floating"
depends_on = "${var.network_id}"
}
user_data = "#cloud-config\nmanage_etc_hosts: localhost\npackage_update: true\npackage_upgrade: true"
}
resource "openstack_compute_volume_attach_v2" "glusterfs_volume" {
count = "${var.number_of_gfs_nodes_no_floating_ip}"
instance_id = "${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)}"
}