86 lines
2.8 KiB
HCL
86 lines
2.8 KiB
HCL
module "control_planes" {
|
|
source = "./modules/host"
|
|
|
|
count = var.servers_num - 1
|
|
name = "k3s-control-plane-${count.index + 1}"
|
|
|
|
ssh_keys = [hcloud_ssh_key.k3s.id]
|
|
public_key = var.public_key
|
|
private_key = var.private_key
|
|
additional_public_keys = var.additional_public_keys
|
|
firewall_ids = [hcloud_firewall.k3s.id]
|
|
placement_group_id = hcloud_placement_group.k3s.id
|
|
location = var.location
|
|
network_id = hcloud_network.k3s.id
|
|
ip = cidrhost(hcloud_network_subnet.k3s.ip_range, 258 + count.index)
|
|
server_type = var.control_plane_server_type
|
|
|
|
labels = {
|
|
"provisioner" = "terraform",
|
|
"engine" = "k3s"
|
|
}
|
|
|
|
hcloud_token = var.hcloud_token
|
|
}
|
|
|
|
resource "null_resource" "control_planes" {
|
|
count = var.servers_num - 1
|
|
|
|
triggers = {
|
|
control_plane_id = module.control_planes[count.index].id
|
|
}
|
|
|
|
connection {
|
|
user = "root"
|
|
private_key = local.ssh_private_key
|
|
agent_identity = local.ssh_identity
|
|
host = module.control_planes[count.index].ipv4_address
|
|
}
|
|
|
|
# Generating k3s server config file
|
|
provisioner "file" {
|
|
content = yamlencode({
|
|
node-name = module.control_planes[count.index].name
|
|
server = "https://${local.first_control_plane_network_ip}:6443"
|
|
token = random_password.k3s_token.result
|
|
cluster-init = true
|
|
disable-cloud-controller = true
|
|
disable = ["servicelb", "local-storage"]
|
|
flannel-iface = "eth1"
|
|
kubelet-arg = "cloud-provider=external"
|
|
node-ip = cidrhost(hcloud_network_subnet.k3s.ip_range, 258 + count.index)
|
|
advertise-address = cidrhost(hcloud_network_subnet.k3s.ip_range, 258 + count.index)
|
|
tls-san = cidrhost(hcloud_network_subnet.k3s.ip_range, 258 + count.index)
|
|
node-taint = var.allow_scheduling_on_control_plane ? [] : ["node-role.kubernetes.io/master:NoSchedule"]
|
|
node-label = var.automatically_upgrade_k3s ? ["k3s_upgrade=true"] : []
|
|
})
|
|
destination = "/tmp/config.yaml"
|
|
}
|
|
|
|
# Install k3s server
|
|
provisioner "remote-exec" {
|
|
inline = local.install_k3s_server
|
|
}
|
|
|
|
# Start the k3s server and wait for it to have started correctly
|
|
provisioner "remote-exec" {
|
|
inline = [
|
|
"systemctl start k3s 2> /dev/null",
|
|
<<-EOT
|
|
timeout 120 bash <<EOF
|
|
until systemctl status k3s > /dev/null; do
|
|
systemctl start k3s 2> /dev/null
|
|
echo "Waiting for the k3s server to start..."
|
|
sleep 2
|
|
done
|
|
EOF
|
|
EOT
|
|
]
|
|
}
|
|
|
|
depends_on = [
|
|
null_resource.first_control_plane,
|
|
hcloud_network_subnet.k3s
|
|
]
|
|
}
|