591ae700ce
* Adding bastion and private network provisioning for openstack terraform * Remove usage of floating-ip property * Combine openstack instances + floating ips * Fix relating floating IPs to hosts for openstack builds * Tighten up security groups Allow ssh into all instances with floating IP * Add the gluster hosts to the no-floating group * Break terraform into modules * Update README and var descriptions to match current config * Remove volume property in gluster compute def * Include cluster name in internal network and router names * Make dns_nameservers a variable
280 lines
9.4 KiB
HCL
280 lines
9.4 KiB
HCL
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variable user_data {
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type = "string"
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default = <<EOF
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#cloud-config
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manage_etc_hosts: localhost
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package_update: true
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package_upgrade: true
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EOF
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}
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resource "openstack_compute_keypair_v2" "k8s" {
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name = "kubernetes-${var.cluster_name}"
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public_key = "${chomp(file(var.public_key_path))}"
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}
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resource "openstack_compute_secgroup_v2" "k8s_master" {
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name = "${var.cluster_name}-k8s-master"
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description = "${var.cluster_name} - Kubernetes Master"
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rule {
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ip_protocol = "tcp"
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from_port = "6443"
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to_port = "6443"
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cidr = "0.0.0.0/0"
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}
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}
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resource "openstack_compute_secgroup_v2" "bastion" {
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name = "${var.cluster_name}-bastion"
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description = "${var.cluster_name} - Bastion Server"
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rule {
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ip_protocol = "tcp"
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from_port = "22"
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to_port = "22"
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cidr = "0.0.0.0/0"
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}
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}
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resource "openstack_compute_secgroup_v2" "k8s" {
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name = "${var.cluster_name}-k8s"
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description = "${var.cluster_name} - Kubernetes"
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rule {
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ip_protocol = "icmp"
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from_port = "-1"
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to_port = "-1"
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cidr = "0.0.0.0/0"
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}
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rule {
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ip_protocol = "tcp"
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from_port = "1"
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to_port = "65535"
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self = true
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}
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rule {
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ip_protocol = "udp"
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from_port = "1"
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to_port = "65535"
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self = true
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}
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rule {
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ip_protocol = "icmp"
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from_port = "-1"
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to_port = "-1"
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self = true
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}
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}
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resource "openstack_compute_instance_v2" "bastion" {
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name = "${var.cluster_name}-bastion-${count.index+1}"
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count = "${var.number_of_bastions}"
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image_name = "${var.image}"
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flavor_id = "${var.flavor_bastion}"
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key_pair = "${openstack_compute_keypair_v2.k8s.name}"
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network {
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name = "${var.network_name}"
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}
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security_groups = [ "${openstack_compute_secgroup_v2.k8s.name}",
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"${openstack_compute_secgroup_v2.bastion.name}",
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"default" ]
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metadata = {
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ssh_user = "${var.ssh_user}"
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kubespray_groups = "bastion"
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depends_on = "${var.network_id}"
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}
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provisioner "local-exec" {
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command = "sed s/USER/${var.ssh_user}/ contrib/terraform/openstack/ansible_bastion_template.txt | sed s/BASTION_ADDRESS/${var.bastion_fips[0]}/ > contrib/terraform/openstack/group_vars/no-floating.yml"
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}
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user_data = "${var.user_data}"
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}
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resource "openstack_compute_instance_v2" "k8s_master" {
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name = "${var.cluster_name}-k8s-master-${count.index+1}"
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count = "${var.number_of_k8s_masters}"
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image_name = "${var.image}"
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flavor_id = "${var.flavor_k8s_master}"
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key_pair = "${openstack_compute_keypair_v2.k8s.name}"
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network {
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name = "${var.network_name}"
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}
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security_groups = [ "${openstack_compute_secgroup_v2.k8s_master.name}",
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"${openstack_compute_secgroup_v2.bastion.name}",
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"${openstack_compute_secgroup_v2.k8s.name}",
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"default" ]
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metadata = {
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ssh_user = "${var.ssh_user}"
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kubespray_groups = "etcd,kube-master,kube-node,k8s-cluster,vault"
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depends_on = "${var.network_id}"
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}
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user_data = "${var.user_data}"
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}
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resource "openstack_compute_instance_v2" "k8s_master_no_etcd" {
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name = "${var.cluster_name}-k8s-master-ne-${count.index+1}"
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count = "${var.number_of_k8s_masters_no_etcd}"
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image_name = "${var.image}"
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flavor_id = "${var.flavor_k8s_master}"
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key_pair = "${openstack_compute_keypair_v2.k8s.name}"
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network {
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name = "${var.network_name}"
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}
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security_groups = [ "${openstack_compute_secgroup_v2.k8s_master.name}",
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"${openstack_compute_secgroup_v2.k8s.name}" ]
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metadata = {
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ssh_user = "${var.ssh_user}"
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kubespray_groups = "kube-master,kube-node,k8s-cluster,vault"
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depends_on = "${var.network_id}"
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}
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user_data = "${var.user_data}"
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}
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resource "openstack_compute_instance_v2" "etcd" {
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name = "${var.cluster_name}-etcd-${count.index+1}"
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count = "${var.number_of_etcd}"
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image_name = "${var.image}"
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flavor_id = "${var.flavor_etcd}"
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key_pair = "${openstack_compute_keypair_v2.k8s.name}"
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network {
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name = "${var.network_name}"
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}
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security_groups = [ "${openstack_compute_secgroup_v2.k8s.name}" ]
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metadata = {
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ssh_user = "${var.ssh_user}"
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kubespray_groups = "etcd,vault,no-floating"
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depends_on = "${var.network_id}"
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}
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user_data = "${var.user_data}"
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}
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resource "openstack_compute_instance_v2" "k8s_master_no_floating_ip" {
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name = "${var.cluster_name}-k8s-master-nf-${count.index+1}"
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count = "${var.number_of_k8s_masters_no_floating_ip}"
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image_name = "${var.image}"
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flavor_id = "${var.flavor_k8s_master}"
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key_pair = "${openstack_compute_keypair_v2.k8s.name}"
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network {
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name = "${var.network_name}"
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}
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security_groups = [ "${openstack_compute_secgroup_v2.k8s_master.name}",
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"${openstack_compute_secgroup_v2.k8s.name}",
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"default" ]
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metadata = {
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ssh_user = "${var.ssh_user}"
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kubespray_groups = "etcd,kube-master,kube-node,k8s-cluster,vault,no-floating"
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depends_on = "${var.network_id}"
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}
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user_data = "${var.user_data}"
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}
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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}"
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count = "${var.number_of_k8s_masters_no_floating_ip_no_etcd}"
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image_name = "${var.image}"
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flavor_id = "${var.flavor_k8s_master}"
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key_pair = "${openstack_compute_keypair_v2.k8s.name}"
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network {
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name = "${var.network_name}"
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}
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security_groups = [ "${openstack_compute_secgroup_v2.k8s_master.name}",
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"${openstack_compute_secgroup_v2.k8s.name}" ]
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metadata = {
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ssh_user = "${var.ssh_user}"
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kubespray_groups = "kube-master,kube-node,k8s-cluster,vault,no-floating"
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depends_on = "${var.network_id}"
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}
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user_data = "${var.user_data}"
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}
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resource "openstack_compute_instance_v2" "k8s_node" {
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name = "${var.cluster_name}-k8s-node-${count.index+1}"
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count = "${var.number_of_k8s_nodes}"
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image_name = "${var.image}"
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flavor_id = "${var.flavor_k8s_node}"
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key_pair = "${openstack_compute_keypair_v2.k8s.name}"
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network {
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name = "${var.network_name}"
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}
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security_groups = [ "${openstack_compute_secgroup_v2.k8s.name}",
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"${openstack_compute_secgroup_v2.bastion.name}",
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"default" ]
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metadata = {
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ssh_user = "${var.ssh_user}"
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kubespray_groups = "kube-node,k8s-cluster"
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depends_on = "${var.network_id}"
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}
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user_data = "${var.user_data}"
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}
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resource "openstack_compute_instance_v2" "k8s_node_no_floating_ip" {
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name = "${var.cluster_name}-k8s-node-nf-${count.index+1}"
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count = "${var.number_of_k8s_nodes_no_floating_ip}"
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image_name = "${var.image}"
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flavor_id = "${var.flavor_k8s_node}"
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key_pair = "${openstack_compute_keypair_v2.k8s.name}"
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network {
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name = "${var.network_name}"
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}
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security_groups = [ "${openstack_compute_secgroup_v2.k8s.name}",
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"default" ]
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metadata = {
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ssh_user = "${var.ssh_user}"
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kubespray_groups = "kube-node,k8s-cluster,no-floating"
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depends_on = "${var.network_id}"
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}
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user_data = "${var.user_data}"
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}
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resource "openstack_compute_floatingip_associate_v2" "bastion" {
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count = "${var.number_of_bastions}"
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floating_ip = "${var.bastion_fips[count.index]}"
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instance_id = "${element(openstack_compute_instance_v2.bastion.*.id, count.index)}"
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}
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resource "openstack_compute_floatingip_associate_v2" "k8s_master" {
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count = "${var.number_of_k8s_masters}"
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instance_id = "${element(openstack_compute_instance_v2.k8s_master.*.id, count.index)}"
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floating_ip = "${var.k8s_master_fips[count.index]}"
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}
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resource "openstack_compute_floatingip_associate_v2" "k8s_node" {
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count = "${var.number_of_k8s_nodes}"
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floating_ip = "${var.k8s_node_fips[count.index]}"
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instance_id = "${element(openstack_compute_instance_v2.k8s_node.*.id, count.index)}"
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}
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resource "openstack_blockstorage_volume_v2" "glusterfs_volume" {
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name = "${var.cluster_name}-glusterfs_volume-${count.index+1}"
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count = "${var.number_of_gfs_nodes_no_floating_ip}"
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description = "Non-ephemeral volume for GlusterFS"
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size = "${var.gfs_volume_size_in_gb}"
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}
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resource "openstack_compute_instance_v2" "glusterfs_node_no_floating_ip" {
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name = "${var.cluster_name}-gfs-node-nf-${count.index+1}"
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count = "${var.number_of_gfs_nodes_no_floating_ip}"
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image_name = "${var.image_gfs}"
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flavor_id = "${var.flavor_gfs_node}"
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key_pair = "${openstack_compute_keypair_v2.k8s.name}"
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network {
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name = "${var.network_name}"
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}
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security_groups = ["${openstack_compute_secgroup_v2.k8s.name}",
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"default" ]
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metadata = {
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ssh_user = "${var.ssh_user_gfs}"
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kubespray_groups = "gfs-cluster,network-storage,no-floating"
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depends_on = "${var.network_id}"
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}
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user_data = "#cloud-config\nmanage_etc_hosts: localhost\npackage_update: true\npackage_upgrade: true"
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}
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resource "openstack_compute_volume_attach_v2" "glusterfs_volume" {
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count = "${var.number_of_gfs_nodes_no_floating_ip}"
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instance_id = "${element(openstack_compute_instance_v2.glusterfs_node_no_floating_ip.*.id, count.index)}"
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volume_id = "${element(openstack_blockstorage_volume_v2.glusterfs_volume.*.id, count.index)}"
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}
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