Configurazione iniziale per cluster k8s su Proxmox

2025-07-31 14:15:02 +00:00
parent 74fbf8f73a
commit bb9ed1e76e
6 changed files with 264 additions and 0 deletions
--- a/main.tf
+++ b/main.tf
@@ -0,0 +1,144 @@
+# main.tf
+
+terraform {
+  required_providers {
+    proxmox = {
+      source  = "telmate/proxmox"
+      version = "3.0.1-rc2"
+    }
+  }
+}
+
+provider "proxmox" {
+  pm_api_url      = "https://192.168.178.11:8006/api2/json"
+  pm_tls_insecure = true
+}
+
+# --- Variabili Locali per una facile configurazione ---
+locals {
+  proxmox_node     = "Covenant"
+  template_name    = "debian-12-cloudinit"
+  ssh_user         = "debian"
+  k8s_version      = "1.29.3-1.1" 
+  gateway_ip       = "10.66.99.254"
+  dns_server       = "10.66.99.254"
+  ssh_public_key   = file("~/.ssh/id_ecdsa.pub")
+  ssh_private_key  = file("~/.ssh/id_ecdsa")
+
+  control_planes = {
+    Alessandro = { ip = "10.66.99.171", vmid = 451 }
+    Rene       = { ip = "10.66.99.172", vmid = 452 }
+    Arianna    = { ip = "10.66.99.173", vmid = 453 }
+  }
+
+  workers = {
+    Stanis = { ip = "10.66.99.175", vmid = 455 }
+    Itala  = { ip = "10.66.99.176", vmid = 456 }
+    Duccio = { ip = "10.66.99.177", vmid = 457 }
+  }
+}
+
+# --- Nodi Control Plane ---
+resource "proxmox_vm_qemu" "k8s_control_planes" {
+  for_each = local.control_planes
+
+  vmid        = each.value.vmid
+  name        = each.key
+  target_node = local.proxmox_node
+  clone       = local.template_name
+  os_type     = "cloud-init"
+  agent       = 1
+
+  cores   = 2
+  sockets = 1
+  memory  = 4096
+
+  # Blocco "disks" corretto (plurale)
+  disks {
+    scsi {
+      scsi0 {
+        disk {
+          storage = "MD-3"
+          size    = 40
+        }
+      }
+    }
+  }
+
+  network {
+    model  = "virtio"
+    bridge = "vmbr0"
+  }
+  
+  # Argomenti "flat" per la configurazione iniziale
+  ipconfig0 = "ip=${each.value.ip}/24,gw=${local.gateway_ip}"
+  nameserver = local.dns_server
+  sshkeys = local.ssh_public_key
+
+  # Provisioner per eseguire lo script di setup
+  provisioner "remote-exec" {
+    connection {
+      type        = "ssh"
+      user        = local.ssh_user
+      private_key = local.ssh_private_key
+      host        = self.default_ipv4_address
+    }
+    inline = split("\n", templatefile("cloud-init-script.yaml", {
+      k8s_version  = local.k8s_version
+      is_control_plane = true
+    }))
+  }
+}
+
+# --- Nodi Worker ---
+resource "proxmox_vm_qemu" "k8s_workers" {
+  for_each = local.workers
+
+  vmid        = each.value.vmid
+  name        = each.key
+  target_node = local.proxmox_node
+  clone       = local.template_name
+  os_type     = "cloud-init"
+  agent       = 1
+
+  cores   = 2
+  sockets = 1
+  memory  = 2048
+
+  # Blocco "disks" corretto (plurale)
+  disks {
+    scsi {
+      scsi0 {
+        disk {
+          storage = "MD-3"
+          size    = 25
+        }
+      }
+    }
+  }
+
+  network {
+    model  = "virtio"
+    bridge = "vmbr0"
+  }
+
+  # Argomenti "flat" per la configurazione iniziale
+  ipconfig0 = "ip=${each.value.ip}/24,gw=${local.gateway_ip}"
+  nameserver = local.dns_server
+  sshkeys = local.ssh_public_key
+  
+  # Provisioner per eseguire lo script di setup
+  provisioner "remote-exec" {
+    connection {
+      type        = "ssh"
+      user        = local.ssh_user
+      private_key = local.ssh_private_key
+      host        = self.default_ipv4_address
+    }
+    inline = split("\n", templatefile("cloud-init-script.yaml", {
+      k8s_version  = local.k8s_version
+      is_control_plane = false
+    }))
+  }
+  depends_on = [proxmox_vm_qemu.k8s_control_planes]
+}