114 lines
3.0 KiB
HCL
114 lines
3.0 KiB
HCL
resource "random_string" "server" {
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length = 3
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lower = true
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special = false
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number = false
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upper = false
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keepers = {
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# We re-create the id (and server) whenever one of those attributes
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# changes.
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name = var.name
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private_ipv4 = var.private_ipv4
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}
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}
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resource "hcloud_server" "server" {
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name = local.name
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image = "ubuntu-20.04"
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rescue = "linux64"
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server_type = var.server_type
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location = var.location
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ssh_keys = var.ssh_keys
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firewall_ids = var.firewall_ids
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placement_group_id = var.placement_group_id
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user_data = data.template_cloudinit_config.config.rendered
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labels = var.labels
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# Prevent destroying the whole cluster if the user changes
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# any of the attributes that force to recreate the servers.
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lifecycle {
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ignore_changes = [
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location,
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ssh_keys,
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user_data,
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]
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}
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connection {
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user = "root"
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private_key = local.ssh_private_key
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agent_identity = local.ssh_identity
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host = self.ipv4_address
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}
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# Install MicroOS
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provisioner "remote-exec" {
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inline = [
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"set -ex",
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"apt-get update",
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"apt-get install -y aria2",
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"aria2c --follow-metalink=mem https://download.opensuse.org/tumbleweed/appliances/openSUSE-MicroOS.x86_64-OpenStack-Cloud.qcow2.meta4",
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"qemu-img convert -p -f qcow2 -O host_device $(ls -a | grep -ie '^opensuse.*microos.*qcow2$') /dev/sda",
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]
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}
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# Issue a reboot command and wait for MicroOS to reboot and be ready
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provisioner "local-exec" {
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command = <<-EOT
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ssh ${local.ssh_args} root@${self.ipv4_address} '(sleep 2; reboot)&'; sleep 3
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until ssh ${local.ssh_args} -o ConnectTimeout=2 root@${self.ipv4_address} true 2> /dev/null
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do
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echo "Waiting for MicroOS to reboot and become available..."
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sleep 3
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done
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EOT
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}
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# Install k3s-selinux (compatible version)
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provisioner "remote-exec" {
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inline = [
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"set -ex",
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"transactional-update pkg install -y k3s-selinux"
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]
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}
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# Issue a reboot command and wait for MicroOS to reboot and be ready
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provisioner "local-exec" {
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command = <<-EOT
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ssh ${local.ssh_args} root@${self.ipv4_address} '(sleep 2; reboot)&'; sleep 3
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until ssh ${local.ssh_args} -o ConnectTimeout=2 root@${self.ipv4_address} true 2> /dev/null
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do
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echo "Waiting for MicroOS to reboot and become available..."
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sleep 3
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done
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EOT
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}
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}
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resource "hcloud_server_network" "server" {
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ip = var.private_ipv4
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server_id = hcloud_server.server.id
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subnet_id = var.ipv4_subnet_id
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}
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data "template_cloudinit_config" "config" {
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gzip = true
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base64_encode = true
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# Main cloud-config configuration file.
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part {
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filename = "init.cfg"
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content_type = "text/cloud-config"
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content = templatefile(
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"${path.module}/templates/userdata.yaml.tpl",
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{
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hostname = local.name
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sshAuthorizedKeys = concat([local.ssh_public_key], var.additional_public_keys)
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}
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)
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}
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}
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