lib/common.sh: template detection + autologin + update helpers

lib/common.sh

@@ -26,7 +26,18 @@ set -euo pipefail
 # template if `pveam` is unavailable or returns nothing.
 # ============================================================
 detect_latest_alpine_template() {
-  :
+  local tmpl
+  tmpl=$(pveam available --section system 2>/dev/null \
+    | awk '/^system[[:space:]]+alpine-/ {print $2}' \
+    | sort -V \
+    | tail -n1)
+
+  if [[ -z "$tmpl" ]]; then
+    log_warn "Could not query pveam; falling back to a known-good Alpine template."
+    tmpl="alpine-3.22-default_20250617_amd64.tar.xz"
+  fi
+  log_info "Selected Alpine template: $tmpl"
+  echo "$tmpl"
 }
 
 # ============================================================
@@ -34,7 +45,24 @@ detect_latest_alpine_template() {
 # Idempotent: safe to call on every install/update.
 # ============================================================
 enable_tty1_autologin() {
-  :
+  log_info "Enabling console auto-login on tty1..."
+  # Alpine ships busybox getty by default; agetty (from util-linux) is what
+  # supports --autologin.
+  apk add --no-cache agetty >/dev/null 2>&1 || apk add --no-cache util-linux >/dev/null
+
+  # Replace any existing tty1 entry, then append our autologin line. Doing it
+  # in two steps (delete + append) is more robust than an in-place sed against
+  # a pattern that may drift across Alpine releases.
+  sed -i '/^tty1::/d' /etc/inittab
+  echo 'tty1::respawn:/sbin/agetty --autologin root --noclear 38400 tty1' >> /etc/inittab
+
+  # Tell PID 1 to re-read /etc/inittab so the change takes effect without a reboot.
+  kill -HUP 1 2>/dev/null || true
+
+  # Kick any getty/agetty still attached to tty1 so init respawns it *now* with
+  # the new line — otherwise the first web-console session lands on the stale
+  # process and the operator has to type `exit` once before autologin kicks in.
+  pkill -KILL -f '(getty|agetty).*tty1' 2>/dev/null || true
 }
 
 # ============================================================
@@ -45,7 +73,17 @@ enable_tty1_autologin() {
 # find_existing_lxc already does).
 # ============================================================
 find_existing_lxc() {
-  :
+  local id host tags
+  while read -r id _; do
+    [[ -z "$id" || "$id" == "VMID" ]] && continue
+    host=$(pct config "$id" 2>/dev/null | awk -F': ' '/^hostname:/ {print $2}' || true)
+    tags=$(pct config "$id" 2>/dev/null | awk -F': ' '/^tags:/ {print $2}' || true)
+    if [[ "$host" == "$HOSTNAME_LXC" ]] || [[ ",${tags//;/,}," == *",${LXC_TAG},"* ]]; then
+      echo "$id"
+      return 0
+    fi
+  done < <(pct list | awk 'NR>1 {print $1}')
+  return 1
 }
 
 # ============================================================
@@ -53,5 +91,6 @@ find_existing_lxc() {
 # Callable both host-side (via pct exec) and inside the LXC.
 # ============================================================
 refresh_os_packages() {
-  :
+  log_info "Refreshing Alpine packages..."
+  apk update >/dev/null && apk upgrade >/dev/null
 }