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
2025-10-29 17:50:16 +00:00 · 2023-01-02 23:50:14 +01:00
parent 3f0549a792
commit 20f90c129f
4 changed files with 254 additions and 0 deletions
--- a/main.tf
+++ b/main.tf
@@ -0,0 +1,120 @@
+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"
+  }
+}