c12s-kubespray/contrib/terraform/upcloud/main.tf

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Terraform
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terraform {
required_version = ">= 0.13.0"
}
provider "upcloud" {
# Your UpCloud credentials are read from environment variables:
username = var.UPCLOUD_USERNAME
password = var.UPCLOUD_PASSWORD
}
module "kubernetes" {
source = "./modules/kubernetes-cluster"
prefix = var.prefix
zone = var.zone
template_name = var.template_name
username = var.username
private_network_cidr = var.private_network_cidr
machines = var.machines
ssh_public_keys = var.ssh_public_keys
}
#
# Generate ansible inventory
#
data "template_file" "inventory" {
template = file("${path.module}/templates/inventory.tpl")
vars = {
connection_strings_master = join("\n", formatlist("%s ansible_user=ubuntu ansible_host=%s ip=%s etcd_member_name=etcd%d",
keys(module.kubernetes.master_ip),
values(module.kubernetes.master_ip).*.public_ip,
values(module.kubernetes.master_ip).*.private_ip,
range(1, length(module.kubernetes.master_ip) + 1)))
connection_strings_worker = join("\n", formatlist("%s ansible_user=ubuntu ansible_host=%s ip=%s",
keys(module.kubernetes.worker_ip),
values(module.kubernetes.worker_ip).*.public_ip,
values(module.kubernetes.worker_ip).*.private_ip))
list_master = join("\n", formatlist("%s",
keys(module.kubernetes.master_ip)))
list_worker = join("\n", formatlist("%s",
keys(module.kubernetes.worker_ip)))
}
}
resource "null_resource" "inventories" {
provisioner "local-exec" {
command = "echo '${data.template_file.inventory.rendered}' > ${var.inventory_file}"
}
triggers = {
template = data.template_file.inventory.rendered
}
}