feat: initial homelab-gitops declarative structure (Terraform & ArgoCD)

terraform/harvester/networks.tf

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+# Declarative Harvester VLAN Networks
+resource "harvester_network" "vlan20_infra" {
+  name      = "vlan20-infra"
+  namespace = "default"
+  vlan_id   = 20
+  route {
+    mode    = "auto"
+    gateway = "140.44.4.1"
+  }
+}
+
+resource "harvester_network" "vlan40_storage" {
+  name      = "vlan40-storage"
+  namespace = "default"
+  vlan_id   = 40
+  route {
+    mode    = "auto"
+    gateway = "14.10.10.1"
+  }
+}
+
+resource "harvester_network" "vlan50_smarthome" {
+  name      = "vlan50-smarthome"
+  namespace = "default"
+  vlan_id   = 50
+  route {
+    mode    = "auto"
+    gateway = "14.4.4.1"
+  }
+}
+
+# SSH Key Pair for Virtual Machines
+resource "harvester_ssh_key" "snarfnet_master" {
+  name      = "snarfnet-master-key"
+  namespace = "default"
+  public_key = var.master_ssh_public_key
+}

terraform/harvester/outputs.tf

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+output "harvester_vlan_networks" {
+  description = "Configured Harvester VLAN networks"
+  value = [
+    harvester_network.vlan20_infra.name,
+    harvester_network.vlan40_storage.name,
+    harvester_network.vlan50_smarthome.name,
+  ]
+}

terraform/harvester/providers.tf

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+terraform {
+  required_version = ">= 1.5.0"
+  required_providers {
+    harvester = {
+      source  = "harvester/harvester"
+      version = "~> 0.6"
+    }
+  }
+
+  backend "http" {
+    address        = "https://git.snarfnet.net/api/packages/snarf/terraform/state/harvester"
+    lock_address   = "https://git.snarfnet.net/api/packages/snarf/terraform/state/harvester/lock"
+    unlock_address = "https://git.snarfnet.net/api/packages/snarf/terraform/state/harvester/lock"
+    username       = "snarf"
+  }
+}
+
+provider "harvester" {
+  kubeconfig = var.harvester_kubeconfig
+}

terraform/harvester/variables.tf

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+variable "harvester_kubeconfig" {
+  type        = string
+  description = "Path to Harvester cluster kubeconfig file"
+  default     = "~/.kube/harvester.yaml"
+}
+
+variable "master_ssh_public_key" {
+  type        = string
+  description = "Snarfnet Master SSH Public Key"
+  default     = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIPqgXJd84m12yNq1gqjAOm6n8sK1l9K3eK0Y7Y+V8V7/ snarfnet-master"
+}

terraform/harvester/vms.tf

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+# Harvester Virtual Machine Templates / Definitions
+# Note: Baremetal Harvester HCI nodes remain outside destructive automation scope.
+# VM resources defined declaratively for state tracking.
+
+resource "harvester_image" "ubuntu_focal" {
+  name      = "ubuntu-20.04-server-cloudimg-arm64"
+  namespace = "default"
+  display_name = "Ubuntu 20.04 ARM64 Cloud Image"
+  source_type  = "download"
+  url          = "https://cloud-images.ubuntu.com/releases/focal/release/ubuntu-20.04-server-cloudimg-arm64.img"
+}