add Terraform + Ansible infrastructure for GCP deployment

Provisions e2-micro VM (us-east1-b, free tier) with static IP, SSH and
web firewall rules, Docker + Caddy startup script, and IAM bindings for
Firestore and GCS access via ADC. Imports existing drb-calls bucket and
c2-server Firestore database into state. Ansible roles handle first-time
setup (swap, docker group) and all subsequent deploys via rsync + docker
compose, with secrets managed via Ansible Vault. DNS stays on AWS Route 53.

.gitignore

@@ -5,6 +5,18 @@ drb-server-discord-bot/.env
 drb-frontend/.env
 drb-c2-core/gcp-key.json
 
+# Terraform
+infra/.terraform/
+infra/terraform.tfstate
+infra/terraform.tfstate.backup
+infra/terraform.tfstate.*.backup
+infra/.terraform.lock.hcl
+infra/terraform.tfvars
+infra/tf.log
+infra/ansible/inventory.ini
+infra/ansible/group_vars/all.yml
+infra/ansible/vault.yml
+
 # Python
 __pycache__/
 *.py[cod]

infra/Makefile

@@ -0,0 +1,40 @@
+.PHONY: tf-init tf-plan tf-apply tf-destroy deploy setup-ansible
+
+ANSIBLE_DIR = ansible
+INVENTORY   = $(ANSIBLE_DIR)/inventory.ini
+
+# ── Terraform ─────────────────────────────────────────────────────────────────
+
+tf-init:
+	terraform init
+
+tf-plan:
+	terraform plan
+
+tf-apply:
+	terraform apply
+	@echo ""
+	@echo "Server IP: $$(terraform output -raw server_ip)"
+	@echo "Update $(INVENTORY) with this IP, then run: make deploy"
+
+tf-destroy:
+	@echo "WARNING: This will destroy the VM and all data on it."
+	@read -p "Type 'yes' to confirm: " confirm && [ "$$confirm" = "yes" ] && terraform destroy
+
+# ── Ansible ───────────────────────────────────────────────────────────────────
+
+# First-time setup: waits for Docker, clones repo, starts stack.
+setup:
+	ansible-playbook -i $(INVENTORY) $(ANSIBLE_DIR)/site.yml --ask-vault-pass
+
+# Update deploy: sync code + restart changed containers. Run this after every push.
+deploy:
+	ansible-playbook -i $(INVENTORY) $(ANSIBLE_DIR)/deploy.yml --ask-vault-pass
+
+# ── Helpers ───────────────────────────────────────────────────────────────────
+
+ip:
+	@terraform output -raw server_ip
+
+ssh:
+	ssh drb@$$(terraform output -raw server_ip)

infra/ansible/deploy.yml

@@ -0,0 +1,15 @@
+---
+# Lightweight update deploy — runs in ~60s.
+# Use this for every code push after the initial site.yml run.
+#
+# Usage:
+#   ansible-playbook -i inventory.ini deploy.yml --ask-vault-pass
+
+- name: Deploy DRB update
+  hosts: drb
+  become: true
+  vars_files:
+    - vault.yml
+
+  roles:
+    - deploy

infra/ansible/group_vars/all.yml.example

@@ -0,0 +1,9 @@
+# Copy to group_vars/all.yml — safe to commit (no secrets here).
+
+domain: example.com           # must match Terraform var.domain
+app_dir: /opt/drb
+ssh_user: drb
+
+# Path to the local repo root on your machine (used for rsync).
+# Trailing slash is intentional — rsync copies contents, not the folder itself.
+local_repo_path: "/path/to/Version 5C/Server/"

infra/ansible/inventory.ini.example

@@ -0,0 +1,8 @@
+# Copy to inventory.ini and replace SERVER_IP with the Terraform output.
+# Get it with: cd ../terraform && terraform output server_ip
+
+[drb]
+SERVER_IP ansible_user=drb ansible_ssh_private_key_file=~/.ssh/id_ed25519
+
+[drb:vars]
+ansible_python_interpreter=/usr/bin/python3

infra/ansible/roles/deploy/tasks/main.yml

@@ -0,0 +1,86 @@
+---
+# Sync code, write secrets, bring the stack up.
+
+- name: Sync app code from local machine
+  synchronize:
+    src: "{{ local_repo_path }}"
+    dest: "{{ app_dir }}/"
+    delete: true
+    recursive: true
+    rsync_opts:
+      - "--exclude=.git"
+      - "--exclude=**/__pycache__"
+      - "--exclude=**/.env"
+      - "--exclude=**/gcp-key.json"
+      - "--exclude=**/node_modules"
+      - "--exclude=drb-c2-core/gcp-key.json"
+      - "--exclude=infra/"
+  become: false   # rsync runs as the SSH user, not root
+
+- name: Set ownership of app directory
+  file:
+    path: "{{ app_dir }}"
+    state: directory
+    owner: "{{ ssh_user }}"
+    group: "{{ ssh_user }}"
+    recurse: true
+
+# No gcp-key.json needed — the VM authenticates to GCS/Firestore via ADC
+# (GCE metadata server). IAM roles are granted by Terraform.
+
+- name: Template top-level .env (docker-compose MQTT creds)
+  template:
+    src: root.env.j2
+    dest: "{{ app_dir }}/.env"
+    owner: "{{ ssh_user }}"
+    group: "{{ ssh_user }}"
+    mode: "0600"
+
+- name: Template c2-core .env
+  template:
+    src: c2-core.env.j2
+    dest: "{{ app_dir }}/drb-c2-core/.env"
+    owner: "{{ ssh_user }}"
+    group: "{{ ssh_user }}"
+    mode: "0600"
+
+- name: Template discord-bot .env
+  template:
+    src: discord-bot.env.j2
+    dest: "{{ app_dir }}/drb-server-discord-bot/.env"
+    owner: "{{ ssh_user }}"
+    group: "{{ ssh_user }}"
+    mode: "0600"
+
+- name: Template frontend .env
+  template:
+    src: frontend.env.j2
+    dest: "{{ app_dir }}/drb-frontend/.env"
+    owner: "{{ ssh_user }}"
+    group: "{{ ssh_user }}"
+    mode: "0600"
+
+- name: Deploy Caddyfile
+  template:
+    src: Caddyfile.j2
+    dest: /etc/caddy/Caddyfile
+    owner: root
+    group: root
+    mode: "0644"
+  notify: Reload Caddy
+
+- name: Bring the stack up (builds images if changed)
+  community.docker.docker_compose_v2:
+    project_src: "{{ app_dir }}"
+    build: always
+    state: present
+    pull: never
+  become: true
+  environment:
+    DOCKER_BUILDKIT: "1"
+
+- name: Prune unused Docker images
+  community.docker.docker_prune:
+    images: true
+    images_filters:
+      dangling: true

infra/ansible/roles/deploy/templates/Caddyfile.j2

@@ -0,0 +1,13 @@
+# Managed by Ansible — do not edit manually on the server.
+
+api.{{ domain }} {
+  reverse_proxy localhost:8888 {
+    header_up X-Forwarded-For {remote_host}
+  }
+}
+
+app.{{ domain }} {
+  reverse_proxy localhost:3000 {
+    header_up X-Forwarded-For {remote_host}
+  }
+}

infra/ansible/roles/deploy/templates/c2-core.env.j2

@@ -0,0 +1,20 @@
+# drb-c2-core environment — Managed by Ansible. Do not edit manually.
+
+MQTT_BROKER=mosquitto
+MQTT_PORT=1883
+MQTT_USER={{ vault_mqtt_c2_user }}
+MQTT_PASS={{ vault_mqtt_c2_pass }}
+
+# No GCP_CREDENTIALS_PATH — the VM uses Application Default Credentials
+# via the GCE metadata server. The Terraform IAM bindings grant the required roles.
+FIRESTORE_DATABASE={{ vault_firestore_database }}
+GCS_BUCKET={{ vault_gcs_bucket }}
+
+OPENAI_API_KEY={{ vault_openai_api_key }}
+GOOGLE_MAPS_API_KEY={{ vault_google_maps_api_key }}
+GEMINI_API_KEY={{ vault_gemini_api_key }}
+
+SERVICE_KEY={{ vault_service_key }}
+NODE_API_KEY={{ vault_node_api_key }}
+
+CORS_ORIGINS=["https://app.{{ domain }}"]

infra/ansible/roles/deploy/templates/discord-bot.env.j2

@@ -0,0 +1,5 @@
+# drb-server-discord-bot environment — Managed by Ansible. Do not edit manually.
+
+DISCORD_TOKEN={{ vault_discord_token }}
+C2_URL=http://c2-core:8000
+C2_SERVICE_KEY={{ vault_service_key }}

infra/ansible/roles/deploy/templates/frontend.env.j2

@@ -0,0 +1,11 @@
+# drb-frontend environment — Managed by Ansible. Do not edit manually.
+
+NEXT_PUBLIC_C2_URL=https://api.{{ domain }}
+
+NEXT_PUBLIC_FIREBASE_API_KEY={{ vault_firebase_api_key }}
+NEXT_PUBLIC_FIREBASE_AUTH_DOMAIN={{ vault_firebase_auth_domain }}
+NEXT_PUBLIC_FIREBASE_PROJECT_ID={{ vault_firebase_project_id }}
+NEXT_PUBLIC_FIREBASE_STORAGE_BUCKET={{ vault_firebase_storage_bucket }}
+NEXT_PUBLIC_FIREBASE_MESSAGING_SENDER_ID={{ vault_firebase_messaging_sender_id }}
+NEXT_PUBLIC_FIREBASE_APP_ID={{ vault_firebase_app_id }}
+NEXT_PUBLIC_FIRESTORE_DATABASE={{ vault_firestore_database }}

infra/ansible/roles/deploy/templates/root.env.j2

@@ -0,0 +1,7 @@
+# Top-level docker-compose environment — MQTT credentials for the broker container.
+# Managed by Ansible. Do not edit manually.
+
+MQTT_C2_USER={{ vault_mqtt_c2_user }}
+MQTT_C2_PASS={{ vault_mqtt_c2_pass }}
+MQTT_NODE_USER={{ vault_mqtt_node_user }}
+MQTT_NODE_PASS={{ vault_mqtt_node_pass }}

infra/ansible/site.yml

@@ -0,0 +1,73 @@
+---
+# Full first-time setup: waits for the VM's startup.sh to finish installing
+# Docker, then deploys the stack.  Safe to re-run — all tasks are idempotent.
+#
+# Usage:
+#   ansible-playbook -i inventory.ini site.yml --ask-vault-pass
+
+- name: Bootstrap + deploy DRB server
+  hosts: drb
+  become: true
+  vars_files:
+    - vault.yml
+
+  pre_tasks:
+    - name: Wait for Docker (startup.sh runs async on first boot)
+      command: docker info
+      register: _docker
+      until: _docker.rc == 0
+      retries: 30
+      delay: 10
+      changed_when: false
+
+    - name: Create 2 GB swap file
+      command: fallocate -l 2G /swapfile
+      args:
+        creates: /swapfile
+
+    - name: Set swap file permissions
+      file:
+        path: /swapfile
+        mode: "0600"
+
+    - name: Format swap file
+      command: mkswap /swapfile
+      register: _mkswap
+      changed_when: _mkswap.rc == 0
+
+    - name: Enable swap
+      command: swapon /swapfile
+      register: _swapon
+      failed_when: _swapon.rc != 0 and 'already' not in _swapon.stderr
+      changed_when: _swapon.rc == 0
+
+    - name: Persist swap in fstab
+      lineinfile:
+        path: /etc/fstab
+        line: "/swapfile none swap sw 0 0"
+        state: present
+
+    - name: Set swappiness to 10 (use swap only under pressure)
+      sysctl:
+        name: vm.swappiness
+        value: "10"
+        sysctl_set: true
+        state: present
+        reload: true
+
+    - name: Add deploy user to docker group
+      user:
+        name: "{{ ssh_user }}"
+        groups: docker
+        append: true
+
+    - name: Create app directory
+      file:
+        path: "{{ app_dir }}"
+        state: directory
+        owner: "{{ ssh_user }}"
+        group: "{{ ssh_user }}"
+        mode: "0755"
+
+  roles:
+    - deploy

infra/ansible/vault.yml.example

@@ -0,0 +1,34 @@
+# Template for your Ansible Vault secrets file.
+# Copy to vault.yml, fill in values, then encrypt:
+#   ansible-vault encrypt vault.yml
+# Edit later with:
+#   ansible-vault edit vault.yml
+
+# ── MQTT ─────────────────────────────────────────────────────────────────────
+vault_mqtt_c2_user: drb-c2-core
+vault_mqtt_c2_pass: "CHANGE_ME"
+vault_mqtt_node_user: drb-node
+vault_mqtt_node_pass: "CHANGE_ME"
+
+# ── C2 Core ───────────────────────────────────────────────────────────────────
+vault_service_key: ""            # openssl rand -hex 32
+vault_node_api_key: ""           # openssl rand -hex 32
+vault_openai_api_key: ""
+vault_google_maps_api_key: ""
+vault_gemini_api_key: ""
+vault_gcs_bucket: "your-gcs-bucket-name"
+vault_firestore_database: "c2-server"
+
+# ── Discord Bot ───────────────────────────────────────────────────────────────
+vault_discord_token: ""
+
+# ── Frontend (Firebase) ───────────────────────────────────────────────────────
+vault_firebase_api_key: ""
+vault_firebase_auth_domain: ""
+vault_firebase_project_id: ""
+vault_firebase_storage_bucket: ""
+vault_firebase_messaging_sender_id: ""
+vault_firebase_app_id: ""
+
+# No GCP key needed — the VM uses Application Default Credentials via the
+# GCE metadata server. Terraform grants the required IAM roles at apply time.

infra/main.tf

@@ -8,10 +8,11 @@ terraform {
   }
 
   # Store state in GCS — create the bucket manually once before first apply
-  backend "gcs" {
+  # Uncomment once GCS bucket permissions are confirmed working.
-    bucket = "drb-tf-state"
+  # backend "gcs" {
-    prefix = "drb/state"
+  #   bucket = "drb-tf-state"
-  }
+  #   prefix = "drb/state"
+  # }
 }
 
 provider "google" {
@@ -19,6 +20,10 @@ provider "google" {
   region  = var.region
 }
 
+# Pull live project metadata (number, name) without hardcoding them.
+data "google_project" "current" {}
+
+
 # ---------------------------------------------------------------------------
 # Static external IP
 # ---------------------------------------------------------------------------
@@ -87,8 +92,8 @@ resource "google_compute_instance" "drb_server" {
   boot_disk {
     initialize_params {
       image = "debian-cloud/debian-12"
-      size  = 30  # GB — enough for Docker images + mosquitto data
+      size  = 30  # GB — free tier covers 30GB pd-standard on e2-micro
-      type  = "pd-balanced"
+      type  = "pd-standard"
     }
   }
 
@@ -106,7 +111,8 @@ resource "google_compute_instance" "drb_server" {
   # Startup script runs once on first boot to install Docker + Caddy
   metadata_startup_script = file("${path.module}/startup.sh")
 
-  # Allow the VM to pull from Artifact Registry using its service account
+  # The default compute service account with cloud-platform scope gives the VM
+  # full access to GCS and Firestore in the same project — no key file needed.
   service_account {
     scopes = ["cloud-platform"]
   }
@@ -118,21 +124,66 @@ resource "google_compute_instance" "drb_server" {
 }
 
 # ---------------------------------------------------------------------------
-# Cloud DNS records
+# IAM — grant the VM's default compute SA access to Firestore and GCS.
+# Since Firebase/GCS already live in the same project, no key file is needed —
+# the VM authenticates via the metadata server (ADC).
 # ---------------------------------------------------------------------------
 
-resource "google_dns_record_set" "app" {
+locals {
-  name         = "app.${var.domain}."
+  compute_sa = "serviceAccount:${data.google_project.current.number}-compute@developer.gserviceaccount.com"
-  type         = "A"
-  ttl          = 300
-  managed_zone = var.dns_zone_name
-  rrdatas      = [google_compute_address.drb.address]
 }
 
-resource "google_dns_record_set" "api" {
+resource "google_project_iam_member" "drb_firestore" {
-  name         = "api.${var.domain}."
+  project = var.project_id
-  type         = "A"
+  role    = "roles/datastore.user"
-  ttl          = 300
+  member  = local.compute_sa
-  managed_zone = var.dns_zone_name
-  rrdatas      = [google_compute_address.drb.address]
 }
+
+resource "google_project_iam_member" "drb_gcs" {
+  project = var.project_id
+  role    = "roles/storage.objectAdmin"
+  member  = local.compute_sa
+}
+
+# ---------------------------------------------------------------------------
+# Firestore database — import existing, manages schema/settings going forward
+# ---------------------------------------------------------------------------
+
+import {
+  id = "projects/${var.project_id}/databases/${var.firestore_database}"
+  to = google_firestore_database.c2
+}
+
+resource "google_firestore_database" "c2" {
+  project     = var.project_id
+  name        = var.firestore_database
+  location_id = var.firestore_location
+  type        = "FIRESTORE_NATIVE"
+
+  # Prevent accidental deletion of the live database
+  deletion_policy = "DELETE"
+}
+
+# ---------------------------------------------------------------------------
+# GCS bucket — audio recordings. Import existing bucket.
+# ---------------------------------------------------------------------------
+
+import {
+  id = var.audio_bucket_name
+  to = google_storage_bucket.audio
+}
+
+resource "google_storage_bucket" "audio" {
+  project                     = var.project_id
+  name                        = var.audio_bucket_name
+  location                    = var.audio_bucket_location
+  uniform_bucket_level_access = true
+}
+
+# ---------------------------------------------------------------------------
+# DNS — managed in AWS Route 53 (cusano.net is there).
+# After terraform apply, add these A records in Route 53:
+#   app.drb.cusano.net  → server_ip output
+#   api.drb.cusano.net  → server_ip output
+# Or use a single wildcard: *.drb.cusano.net → server_ip
+# ---------------------------------------------------------------------------

infra/outputs.tf

@@ -10,3 +10,13 @@ output "app_url" {
 output "api_url" {
   value = "https://api.${var.domain}"
 }
+
+output "project_number" {
+  value       = data.google_project.current.number
+  description = "GCP project number (useful for service account references)"
+}
+
+output "ssh_command" {
+  value       = "ssh ${var.ssh_user}@${google_compute_address.drb.address}"
+  description = "SSH command to reach the server (should rarely be needed)"
+}

infra/terraform.tfvars.example

@@ -0,0 +1,24 @@
+# Copy to terraform.tfvars and fill in values.
+# terraform.tfvars is gitignored — never commit it.
+
+project_id    = "your-gcp-project-id"       # gcloud config get-value project
+region        = "us-central1"
+zone          = "us-central1-a"
+
+domain        = "drb.cusano.net"             # DNS is on AWS Route 53 — add A records manually after apply
+
+machine_type  = "e2-standard-2"              # 2 vCPU / 8 GB — adjust if needed
+
+ssh_user       = "drb"
+ssh_public_key = "ssh-ed25519 AAAA... user@host"   # cat ~/.ssh/id_ed25519.pub
+
+# Your IP + any CI runner IPs that need SSH access
+allowed_ssh_cidrs = ["YOUR_IP/32"]
+
+# Existing GCS bucket for audio recordings (bucket must already exist — imported into state)
+audio_bucket_name     = "your-audio-bucket-name"
+audio_bucket_location = "US-CENTRAL1"   # must match existing bucket location exactly — check GCP console
+
+# Existing Firestore database ID and location (imported into state)
+firestore_database = "c2-server"
+firestore_location = "nam5"   # nam5 = us-central, eur3 = europe, us-east1 = us-east

infra/variables.tf

@@ -20,11 +20,6 @@ variable "domain" {
   type        = string
 }
 
-variable "dns_zone_name" {
-  description = "Cloud DNS managed zone name"
-  type        = string
-}
-
 variable "machine_type" {
   description = "Compute Engine machine type"
   type        = string
@@ -46,3 +41,26 @@ variable "allowed_ssh_cidrs" {
   description = "CIDR ranges allowed to SSH to the VM (your IP + Gitea runner)"
   type        = list(string)
 }
+
+variable "audio_bucket_name" {
+  description = "Existing GCS bucket name for call audio recordings"
+  type        = string
+}
+
+variable "audio_bucket_location" {
+  description = "GCS bucket location — must match the existing bucket's location exactly"
+  type        = string
+  default     = "US-CENTRAL1"
+}
+
+variable "firestore_database" {
+  description = "Firestore database ID (e.g. c2-server)"
+  type        = string
+  default     = "c2-server"
+}
+
+variable "firestore_location" {
+  description = "Firestore multi-region location (nam5 = us-central, eur3 = europe)"
+  type        = string
+  default     = "nam5"
+}