Initial framework: reusable modules, lib, pkgs, overlays, scripts, sample environment

2026-05-10 19:06:58 +02:00
commit c53d997d07
32 changed files with 1339 additions and 0 deletions
@@ -0,0 +1,116 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# --- Default values (can be overridden by environment variables) ---
+REPO_URL="${REPO_URL:-}"
+REPO_DIR="${REPO_DIR:-/etc/nixos-infra}"
+BRANCH="${BRANCH:-main}"
+DRY_RUN="${DRY_RUN:-false}"
+
+# --- Usage ---
+usage() {
+  cat <<EOF
+Deploy NixOS configuration from the nixos-infra repository.
+
+Usage:
+  $0 [options]
+
+Options:
+  -u, --repo-url URL      Git repository URL
+                          [default: ${REPO_URL}]
+  -d, --repo-dir DIR      Local directory for the repository
+                          [default: ${REPO_DIR}]
+  -b, --branch BRANCH     Git branch to deploy
+                          [default: ${BRANCH}]
+  -n, --dry-run           Simulate deployment without making changes.
+  -h, --help              Show this help message.
+
+Environment variables:
+  REPO_URL, REPO_DIR, BRANCH, DRY_RUN (same as options above).
+EOF
+  exit 0
+}
+
+# --- Parse arguments ---
+while [[ $# -gt 0 ]]; do
+  case "$1" in
+    -u|--repo-url) REPO_URL="$2"; shift 2 ;;
+    -d|--repo-dir) REPO_DIR="$2"; shift 2 ;;
+    -b|--branch)   BRANCH="$2";   shift 2 ;;
+    -n|--dry-run)  DRY_RUN="true"; shift ;;
+    -h|--help)     usage ;;
+    *) echo "❌ Unknown option: $1" >&2; usage ;;
+  esac
+done
+
+HOSTNAME=$(hostname)
+
+if [ "$(id -u)" -ne 0 ]; then
+  echo "❌ This script must be run as root." >&2
+  exit 1
+fi
+
+# --- Dry run mode ---
+if [ "$DRY_RUN" = "true" ]; then
+  echo "🧪 Dry run mode:"
+  echo "   - Repository URL: $REPO_URL"
+  echo "   - Repository dir: $REPO_DIR"
+  echo "   - Branch: $BRANCH"
+  echo "   - Hostname: $HOSTNAME"
+  echo "   - Expected config: $REPO_DIR/environments/<env>/hosts/servers/$HOSTNAME/configuration.nix"
+  echo ""
+  echo "   Would execute:"
+  echo "     git clone --branch $BRANCH $REPO_URL $REPO_DIR"
+  echo "     nixos-rebuild switch -I nixos-config=...$HOSTNAME/configuration.nix"
+  exit 0
+fi
+
+# --- Clone or update the repository ---
+if [ -d "$REPO_DIR/.git" ]; then
+  echo "🔄 Mise à jour du dépôt dans $REPO_DIR..."
+  cd "$REPO_DIR"
+  git fetch origin
+  git checkout "$BRANCH"
+  git pull origin "$BRANCH"
+else
+  echo "📥 Clonage du dépôt dans $REPO_DIR..."
+  mkdir -p "$REPO_DIR"
+  git clone --branch "$BRANCH" "$REPO_URL" "$REPO_DIR"
+fi
+
+# --- Find the configuration for this machine ---
+ENVIRONMENT="${ENVIRONMENT:-}"
+if [ -z "$ENVIRONMENT" ]; then
+  # Try common environment names
+  for env in production prod staging stage dev development; do
+    if [ -d "$REPO_DIR/environments/$env" ]; then
+      ENVIRONMENT="$env"
+      break
+    fi
+  done
+fi
+
+if [ -z "$ENVIRONMENT" ]; then
+  echo "❌ Error: No environment specified and none detected." >&2
+  echo "   Set ENVIRONMENT environment variable or use --environment flag." >&2
+  exit 1
+fi
+
+CONFIG_PATH="$REPO_DIR/environments/$ENVIRONMENT/hosts/servers/$HOSTNAME/configuration.nix"
+if [ ! -f "$CONFIG_PATH" ]; then
+  CONFIG_PATH="$REPO_DIR/environments/$ENVIRONMENT/hosts/workstations/$HOSTNAME/configuration.nix"
+fi
+
+if [ ! -f "$CONFIG_PATH" ]; then
+  echo "❌ Error : No configuration found for $HOSTNAME in environment '$ENVIRONMENT'" >&2
+  echo "   Checked paths :" >&2
+  echo "     - $REPO_DIR/environments/$ENVIRONMENT/hosts/servers/$HOSTNAME/configuration.nix" >&2
+  echo "     - $REPO_DIR/environments/$ENVIRONMENT/hosts/workstations/$HOSTNAME/configuration.nix" >&2
+  exit 1
+fi
+
+# --- Apply the configuration ---
+echo "🚀 Deploying the configuration for $HOSTNAME..."
+nixos-rebuild switch -I nixos-config="$CONFIG_PATH"
+
+echo "✅ Deployment was successful !"