Plan for spinning up 7 node kubernetes cluster; kazan!

- Defines controller & worker resources
- terraform.tfvars defines distinct nodes as a dictonary
- Output provides final vmid, name & template used

main.tf

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+terraform {
+  required_providers {
+    proxmox = {
+      source  = "telmate/proxmox"
+      version = ">= 2.9.10"
+    }
+    google = {
+      source  = "hashicorp/google"
+      version = "4.27.0"
+    }
+  }
+
+  backend "gcs" {
+    bucket = "schleppe-tfstate"
+    prefix = "kazan"
+  }
+
+  # backend "local" {}
+}
+
+resource "proxmox_vm_qemu" "k8s-kazan-controllers" {
+  for_each    = var.k8s_controllers
+  name        = each.value.name
+  target_node = each.value.target_node
+  vmid        = each.value.vmid
+  desc        = "Kazan kubernetes cluster controller node: ${each.value.name}"
+
+  sockets = 1
+  cores   = each.value.vcpu
+  memory  = each.value.memory
+  cpu     = "host"
+
+  clone      = "kazan-master-template"
+  full_clone = true
+
+  agent    = 1
+  onboot   = true
+  boot     = "cdn"
+  bootdisk = "scsi0"
+  os_type  = "cloud-init"
+  hotplug  = "network,disk,usb"
+
+  ipconfig0    = "ip=${each.value.ip}${each.value.subnet},gw=${each.value.gw}"
+  nameserver   = local.nameserver
+  searchdomain = local.searchdomain
+  sshkeys      = <<-EOF
+  %{for key in local.public_ssh_keys~}
+  ${key}
+  %{endfor~}
+  EOF
+
+  disk {
+    type    = "scsi"
+    storage = "local-lvm"
+    size    = each.value.disk_size
+    backup  = 0
+  }
+
+  network {
+    model     = "virtio"
+    bridge    = "vmbr0"
+    firewall  = false
+    link_down = false
+  }
+
+  vga {
+    memory = 0
+    type   = "serial0"
+  }
+}
+
+resource "proxmox_vm_qemu" "k8s-kazan-workers" {
+  for_each    = var.k8s_workers
+  name        = each.value.name
+  target_node = each.value.target_node
+  vmid        = each.value.vmid
+  desc        = "Kazan kubernetes cluster worker node: ${each.value.name}"
+
+  sockets = 1
+  cores   = each.value.vcpu
+  memory  = each.value.memory
+  cpu     = "host"
+
+  clone      = "kazan-master-template"
+  full_clone = true
+
+  agent    = 1
+  onboot   = true
+  boot     = "cdn"
+  bootdisk = "scsi0"
+  os_type  = "cloud-init"
+  hotplug  = "network,disk,usb"
+
+  ipconfig0    = "ip=${each.value.ip}${each.value.subnet},gw=${each.value.gw}"
+  nameserver   = local.nameserver
+  searchdomain = local.searchdomain
+  sshkeys      = <<-EOF
+  %{for key in local.public_ssh_keys~}
+  ${key}
+  %{endfor~}
+  EOF
+
+  disk {
+    type    = "scsi"
+    storage = "local-lvm"
+    size    = each.value.disk_size
+    backup  = 0
+  }
+
+  network {
+    model     = "virtio"
+    bridge    = "vmbr0"
+    firewall  = false
+    link_down = false
+  }
+
+  vga {
+    type = "serial0"
+  }
+}

outputs.tf

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+# Controller outputs
+output "controller_vm_id" {
+  description = "The VM Id"
+  value = {
+    for k, vm in proxmox_vm_qemu.k8s-kazan-controllers : k => vm.id
+  }
+}
+
+output "controller_vm_name" {
+  description = "The VM name"
+  value = {
+    for k, vm in proxmox_vm_qemu.k8s-kazan-controllers : k => vm.name
+  }
+}
+
+output "controller_clone" {
+  description = "Template name that this VM was cloned from"
+  value = {
+    for k, vm in proxmox_vm_qemu.k8s-kazan-controllers : k => vm.clone
+  }
+}
+
+# Worker outputs
+output "worker_vm_id" {
+  description = "The VM Id"
+  value = {
+    for k, vm in proxmox_vm_qemu.k8s-kazan-workers : k => vm.id
+  }
+}
+
+output "worker_vm_name" {
+  description = "The VM name"
+  value = {
+    for k, vm in proxmox_vm_qemu.k8s-kazan-workers : k => vm.name
+  }
+}
+
+output "worker_clone" {
+  description = "Template name that this VM was cloned from"
+  value = {
+    for k, vm in proxmox_vm_qemu.k8s-kazan-workers : k => vm.clone
+  }
+}

terraform.tfvars

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+k8s_controllers = {
+  lb1 = {
+    target_node = "apollo",
+    vcpu        = "2",
+    memory      = "2048",
+    disk_size   = "10G",
+    name        = "lb1.kazan.schleppe",
+    vmid        = 440
+    ip          = "10.0.0.140",
+    subnet      = "/24",
+    gw          = "10.0.0.1"
+  },
+  c1 = {
+    target_node = "apollo",
+    vcpu        = "2",
+    memory      = "2048",
+    disk_size   = "10G",
+    name        = "c1.kazan.schleppe",
+    vmid        = 441
+    ip          = "10.0.0.141",
+    subnet      = "/24",
+    gw          = "10.0.0.1"
+  },
+  c2 = {
+    target_node = "apollo",
+    vcpu        = "2",
+    memory      = "2048",
+    disk_size   = "10G",
+    name        = "c2.kazan.schleppe",
+    vmid        = 442
+    ip          = "10.0.0.142",
+    subnet      = "/24",
+    gw          = "10.0.0.1"
+  },
+  c3 = {
+    target_node = "apollo",
+    vcpu        = "2",
+    memory      = "2048",
+    disk_size   = "10G",
+    name        = "c3.kazan.schleppe",
+    vmid        = 443
+    ip          = "10.0.0.143",
+    subnet      = "/24",
+    gw          = "10.0.0.1"
+  }
+}
+
+k8s_workers = {
+  w1 = {
+    target_node = "apollo",
+    vcpu        = "2",
+    memory      = "2048",
+    disk_size   = "10G",
+    name        = "w1.kazan.schleppe",
+    vmid        = 444
+    ip          = "10.0.0.144",
+    subnet      = "/24",
+    gw          = "10.0.0.1"
+  },
+  w2 = {
+    target_node = "apollo",
+    vcpu        = "2",
+    memory      = "2048",
+    disk_size   = "10G",
+    name        = "w2.kazan.schleppe",
+    vmid        = 445
+    ip          = "10.0.0.145",
+    subnet      = "/24",
+    gw          = "10.0.0.1"
+  },
+  w3 = {
+    target_node = "apollo",
+    vcpu        = "2",
+    memory      = "2048",
+    disk_size   = "10G",
+    name        = "w3.kazan.schleppe",
+    vmid        = 446
+    ip          = "10.0.0.146",
+    subnet      = "/24",
+    gw          = "10.0.0.1"
+  }
+}

variables.tf

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+variable "k8s_controllers" {
+  description = "k8s controller node variables as a dictionary"
+  type        = map(any)
+}
+
+variable "k8s_workers" {
+  description = "k8s worker node variables as a dictionary"
+  type        = map(any)
+}