terraform-hcloud-kube-hetzner/modules/host/main.tf

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resource "hcloud_server" "server" {
name = var.name
image = "ubuntu-20.04"
rescue = "linux64"
server_type = var.server_type
location = var.location
ssh_keys = var.ssh_keys
firewall_ids = var.firewall_ids
placement_group_id = var.placement_group_id
labels = var.labels
network {
network_id = var.network_id
ip = var.ip
}
connection {
user = "root"
private_key = local.ssh_private_key
agent_identity = local.ssh_identity
host = self.ipv4_address
}
provisioner "file" {
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content = local.ignition_config
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destination = "/root/config.ign"
}
# Combustion script file to install k3s-selinux
provisioner "file" {
content = local.combustion_script
destination = "/root/script"
}
# Install MicroOS
provisioner "remote-exec" {
inline = local.microOS_install_commands
}
# Issue a reboot command
provisioner "local-exec" {
command = "ssh ${local.ssh_args} root@${self.ipv4_address} '(sleep 2; reboot)&'; sleep 3"
}
# Wait for MicroOS to reboot and be ready
provisioner "local-exec" {
command = <<-EOT
until ssh ${local.ssh_args} -o ConnectTimeout=2 root@${self.ipv4_address} true 2> /dev/null
do
echo "Waiting for MicroOS to reboot and become available..."
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sleep 3
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done
EOT
}
provisioner "remote-exec" {
inline = [
# Disable automatic reboot (after transactional updates), and configure the reboot method as kured
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"set -ex",
"rebootmgrctl set-strategy off",
"echo 'REBOOT_METHOD=kured' > /etc/transactional-update.conf",
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# set the hostname
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"hostnamectl set-hostname ${self.name}"
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]
}
}