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main.tf
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main.tf
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# https://registry.terraform.io/providers/Telmate/proxmox/latest/docs/resources/vm_qemu
resource "proxmox_vm_qemu" "control-plane" {
# control-plane nodes are known in k3s as a server; worker nodes are agent
count = 3
name = "control-${count.index}"
tags = "control"
target_node = var.proxmox_node
clone = var.template_name
agent = 1
os_type = "cloud-init"
cores = 2
sockets = 1
cpu = "host"
memory = 2048
scsihw = "virtio-scsi-pci"
bootdisk = "scsi0"
disk {
slot = 0
size = "10G"
type = "scsi"
storage = "iscsi-lvm"
iothread = 1
}
network {
model = "virtio"
bridge = "vmbr0"
}
lifecycle {
ignore_changes = [
network,
]
}
ipconfig0 = "ip=dhcp"
nameserver = "${var.proxmox_dns}"
sshkeys = file("${var.ssh_public_key_path}")
connection {
type = "ssh"
user = "ubuntu"
private_key = file("${var.ssh_private_key_path}")
host = self.default_ipv4_address
}
provisioner "file" {
destination = "/tmp/bootstrap_k3s.sh"
content = templatefile("bootstrap_k3s.sh.tpl",
{
k3s_token = var.k3s_token,
k3s_cluster_join_ip = proxmox_vm_qemu.control-plane[0].default_ipv4_address
}
)
}
provisioner "remote-exec" {
inline = [
"set -e",
"chmod +x /tmp/bootstrap_k3s.sh",
"sudo /tmp/bootstrap_k3s.sh"
]
}
}
resource "proxmox_vm_qemu" "worker" {
# agent (worker) nodes
count = 2
name = "worker-${count.index}"
tags = "worker"
depends_on = [
proxmox_vm_qemu.control-plane[0]
]
target_node = var.proxmox_node
clone = var.template_name
agent = 1
os_type = "cloud-init"
cores = 2
sockets = 1
cpu = "host"
memory = 2048
scsihw = "virtio-scsi-pci"
bootdisk = "scsi0"
disk {
slot = 0
size = "10G"
type = "scsi"
storage = "iscsi-lvm"
iothread = 1
}
network {
model = "virtio"
bridge = "vmbr0"
}
lifecycle {
ignore_changes = [
network,
]
}
ipconfig0 = "ip=dhcp"
nameserver = "${var.proxmox_dns}"
sshkeys = file("${var.ssh_public_key_path}")
connection {
type = "ssh"
user = "ubuntu"
private_key = file("${var.ssh_private_key_path}")
host = self.default_ipv4_address
}
provisioner "file" {
destination = "/tmp/bootstrap_k3s.sh"
content = templatefile("bootstrap_k3s.sh.tpl",
{
k3s_token = var.k3s_token,
k3s_cluster_join_ip = proxmox_vm_qemu.control-plane[0].default_ipv4_address
}
)
}
provisioner "remote-exec" {
inline = [
"set -e",
"chmod +x /tmp/bootstrap_k3s.sh",
"sudo /tmp/bootstrap_k3s.sh"
]
}
}