Adding bastion and private network provisioning for openstack terraform
This commit is contained in:
Brad Beam
parent
5e1ac9ce87
commit
d05638d82b
2 changed files with 106 additions and 30 deletions
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@ -1,17 +1,30 @@
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resource "openstack_networking_floatingip_v2" "k8s_master" {
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count = "${var.number_of_k8s_masters}"
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pool = "${var.floatingip_pool}"
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resource "openstack_networking_router_v2" "k8s" {
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name = "internal"
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admin_state_up = "true"
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external_gateway = "${var.external_net}"
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}
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resource "openstack_networking_floatingip_v2" "k8s_node" {
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count = "${var.number_of_k8s_nodes}"
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pool = "${var.floatingip_pool}"
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resource "openstack_networking_network_v2" "k8s" {
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name = "${var.network_name}"
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admin_state_up = "true"
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}
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resource "openstack_networking_subnet_v2" "k8s" {
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name = "internal"
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network_id = "${openstack_networking_network_v2.k8s.id}"
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cidr = "10.0.0.0/24"
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ip_version = 4
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dns_nameservers = ["8.8.8.8", "8.8.4.4"]
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}
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resource "openstack_networking_router_interface_v2" "k8s" {
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router_id = "${openstack_networking_router_v2.k8s.id}"
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subnet_id = "${openstack_networking_subnet_v2.k8s.id}"
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}
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resource "openstack_compute_keypair_v2" "k8s" {
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name = "kubernetes-${var.cluster_name}"
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public_key = "${file(var.public_key_path)}"
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public_key = "${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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@ -54,6 +67,50 @@ resource "openstack_compute_secgroup_v2" "k8s" {
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}
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}
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resource "openstack_networking_floatingip_v2" "bastion" {
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count = "${var.number_of_bastions}"
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pool = "${var.floatingip_pool}"
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depends_on = ["openstack_networking_router_interface_v2.k8s"]
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}
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resource "openstack_networking_floatingip_v2" "k8s_master" {
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count = "${var.number_of_k8s_masters}"
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pool = "${var.floatingip_pool}"
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depends_on = ["openstack_networking_router_interface_v2.k8s"]
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}
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resource "openstack_networking_floatingip_v2" "k8s_node" {
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count = "${var.number_of_k8s_nodes}"
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pool = "${var.floatingip_pool}"
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depends_on = ["openstack_networking_router_interface_v2.k8s"]
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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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"default" ]
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floating_ip = "${element(openstack_networking_floatingip_v2.bastion.*.address, count.index)}"
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metadata = {
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ssh_user = "${var.ssh_user}"
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kubespray_groups = "bastion"
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}
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provisioner "local-exec" {
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command = "sed s/USER/${var.ssh_user}/ contrib/terraform/openstack/ansible_bastion_template.txt | sed s/BASTION_ADDRESS/${element(openstack_networking_floatingip_v2.bastion.*.address, 0)}/ > group_vars/no-floating.yml"
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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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depends_on = [ "openstack_networking_network_v2.k8s" ]
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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 = "${var.number_of_k8s_masters}"
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@ -64,16 +121,18 @@ resource "openstack_compute_instance_v2" "k8s_master" {
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name = "${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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"${openstack_compute_secgroup_v2.k8s.name}",
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"default" ]
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floating_ip = "${element(openstack_networking_floatingip_v2.k8s_master.*.address, count.index)}"
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metadata = {
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ssh_user = "${var.ssh_user}"
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kubespray_groups = "etcd,kube-master,kube-node,k8s-cluster,vault"
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}
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user_data = "#cloud-config\nmanage_etc_hosts: localhost\npackage_update: true\npackage_upgrade: true"
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depends_on = [ "openstack_networking_network_v2.k8s" ]
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}
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resource "openstack_compute_instance_v2" "k8s_master_no_floating_ip" {
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name = "${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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@ -84,14 +143,15 @@ resource "openstack_compute_instance_v2" "k8s_master_no_floating_ip" {
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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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"${openstack_compute_secgroup_v2.k8s.name}" ]
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"${openstack_compute_secgroup_v2.k8s.name}",
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"default" ]
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metadata = {
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ssh_user = "${var.ssh_user}"
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kubespray_groups = "etcd,kube-master,kube-node,k8s-cluster,vault,no-floating"
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}
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provisioner "local-exec" {
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command = "sed s/USER/${var.ssh_user}/ contrib/terraform/openstack/ansible_bastion_template.txt | sed s/BASTION_ADDRESS/${element(openstack_networking_floatingip_v2.k8s_master.*.address, 0)}/ > contrib/terraform/openstack/group_vars/no-floating.yml"
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}
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user_data = "#cloud-config\nmanage_etc_hosts: localhost\npackage_update: true\npackage_upgrade: true"
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depends_on = [ "openstack_networking_network_v2.k8s" ]
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}
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resource "openstack_compute_instance_v2" "k8s_node" {
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@ -103,12 +163,16 @@ resource "openstack_compute_instance_v2" "k8s_node" {
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network {
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name = "${var.network_name}"
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}
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security_groups = ["${openstack_compute_secgroup_v2.k8s.name}" ]
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security_groups = [ "${openstack_compute_secgroup_v2.k8s.name}",
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"default" ]
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floating_ip = "${element(openstack_networking_floatingip_v2.k8s_node.*.address, count.index)}"
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metadata = {
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ssh_user = "${var.ssh_user}"
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kubespray_groups = "kube-node,k8s-cluster,vault"
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kubespray_groups = "kube-node,k8s-cluster"
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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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depends_on = [ "openstack_networking_network_v2.k8s" ]
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}
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resource "openstack_compute_instance_v2" "k8s_node_no_floating_ip" {
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@ -120,14 +184,15 @@ resource "openstack_compute_instance_v2" "k8s_node_no_floating_ip" {
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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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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,vault,no-floating"
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}
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provisioner "local-exec" {
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command = "sed s/USER/${var.ssh_user}/ contrib/terraform/openstack/ansible_bastion_template.txt | sed s/BASTION_ADDRESS/${element(openstack_networking_floatingip_v2.k8s_master.*.address, 0)}/ > contrib/terraform/openstack/group_vars/no-floating.yml"
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kubespray_groups = "kube-node,k8s-cluster,no-floating"
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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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depends_on = [ "openstack_networking_network_v2.k8s" ]
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}
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resource "openstack_blockstorage_volume_v2" "glusterfs_volume" {
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@ -146,22 +211,21 @@ resource "openstack_compute_instance_v2" "glusterfs_node_no_floating_ip" {
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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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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"
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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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depends_on = [ "openstack_networking_network_v2.k8s" ]
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volume {
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volume_id = "${element(openstack_blockstorage_volume_v2.glusterfs_volume.*.id, count.index)}"
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}
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provisioner "local-exec" {
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command = "sed s/USER/${var.ssh_user}/ contrib/terraform/openstack/ansible_bastion_template.txt | sed s/BASTION_ADDRESS/${element(openstack_networking_floatingip_v2.k8s_master.*.address, 0)}/ > contrib/terraform/openstack/group_vars/gfs-cluster.yml"
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}
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}
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#output "msg" {
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# value = "Your hosts are ready to go!\nYour ssh hosts are: ${join(", ", openstack_networking_floatingip_v2.k8s_master.*.address )}"
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#}
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output "msg" {
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value = "Your hosts are ready to go!\nYour ssh hosts are: ${join(", ", openstack_networking_floatingip_v2.k8s_master.*.address, openstack_networking_floatingip_v2.bastion.*.address )}"
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}
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@ -2,6 +2,10 @@ variable "cluster_name" {
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default = "example"
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}
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variable "number_of_bastions" {
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default = 1
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}
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variable "number_of_k8s_masters" {
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default = 2
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}
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@ -51,6 +55,10 @@ variable "ssh_user_gfs" {
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default = "ubuntu"
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}
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variable "flavor_bastion" {
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default = 3
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}
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variable "flavor_k8s_master" {
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default = 3
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}
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@ -73,6 +81,10 @@ variable "floatingip_pool" {
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default = "external"
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}
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variable "external_net" {
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description = "uuid of the external/public network"
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}
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variable "username" {
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description = "Your openstack username"
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}
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