Initial commit: Terraform configuration for Proxmox VM with Loki and Promtail

2025-11-20 10:33:26 +00:00
commit 1c76f66711
10 changed files with 1078 additions and 0 deletions
--- a/main.tf
+++ b/main.tf
@@ -0,0 +1,128 @@
+
+terraform {
+  required_version = ">= 1.0"
+  required_providers {
+    proxmox = {
+      source  = "telmate/proxmox"
+      version = "~> 2.9"
+    }
+    tls = {
+      source  = "hashicorp/tls"
+      version = "~> 4.0"
+    }
+  }
+}
+
+# Proxmox Provider Configuration
+provider "proxmox" {
+  pm_api_url          = var.proxmox_api_url
+  pm_api_token_id     = var.proxmox_token_id
+  pm_api_token_secret = var.proxmox_token_secret
+  pm_tls_insecure     = var.proxmox_tls_insecure
+}
+
+# Generate SSH Key Pair
+resource "tls_private_key" "vm_ssh_key" {
+  algorithm = "RSA"
+  rsa_bits  = 4096
+}
+
+# Proxmox VM Resource
+resource "proxmox_vm_qemu" "loki_vm" {
+  name        = var.vm_name
+  target_node = var.target_node
+  clone       = var.template_name
+  
+  # VM Resources
+  cores   = var.vm_cores
+  sockets = 1
+  memory  = var.vm_memory
+  
+  # Boot Configuration
+  boot    = "order=scsi0"
+  agent   = 1
+  onboot  = true
+  
+  # Disk Configuration
+  disk {
+    size    = var.vm_disk_size
+    type    = "scsi"
+    storage = var.storage
+    iothread = 1
+  }
+  
+  # Network Configuration
+  network {
+    model  = "virtio"
+    bridge = var.network_bridge
+  }
+  
+  # Cloud-init Configuration
+  os_type   = "cloud-init"
+  ipconfig0 = "ip=dhcp"
+  
+  # SSH Keys
+  sshkeys = tls_private_key.vm_ssh_key.public_key_openssh
+  
+  # Wait for cloud-init to complete
+  lifecycle {
+    ignore_changes = [
+      network,
+    ]
+  }
+
+  # Connection settings for provisioners
+  connection {
+    type        = "ssh"
+    user        = var.ssh_user
+    private_key = tls_private_key.vm_ssh_key.private_key_pem
+    host        = self.default_ipv4_address
+    timeout     = "5m"
+  }
+
+  # Wait for VM to be ready
+  provisioner "remote-exec" {
+    inline = [
+      "cloud-init status --wait",
+      "echo 'VM is ready'",
+    ]
+  }
+
+  # Copy Loki configuration
+  provisioner "file" {
+    source      = "${path.module}/loki-config.yaml"
+    destination = "/tmp/loki-config.yaml"
+  }
+
+  # Copy Promtail configuration
+  provisioner "file" {
+    source      = "${path.module}/promtail-config.yaml"
+    destination = "/tmp/promtail-config.yaml"
+  }
+
+  # Copy Loki installation script
+  provisioner "file" {
+    source      = "${path.module}/install_loki.sh"
+    destination = "/tmp/install_loki.sh"
+  }
+
+  # Copy Promtail installation script
+  provisioner "file" {
+    source      = "${path.module}/install_promtail.sh"
+    destination = "/tmp/install_promtail.sh"
+  }
+
+  # Execute installation scripts
+  provisioner "remote-exec" {
+    inline = [
+      "echo 'Starting installation...'",
+      "sudo chmod +x /tmp/install_loki.sh",
+      "sudo chmod +x /tmp/install_promtail.sh",
+      "echo 'Installing Grafana Loki...'",
+      "sudo /tmp/install_loki.sh",
+      "echo 'Installing Promtail...'",
+      "sudo /tmp/install_promtail.sh",
+      "echo 'Installation completed!'",
+    ]
+  }
+}