Split OTA weights for Ubuntu installs

deploy/install-managed-portal-ota.sh

@@ -4,6 +4,7 @@ set -eu
 RELEASE_VERSION="${RELEASE_VERSION:-20260518-7b32b21-11}"
 BASE_URL="${BASE_URL:-http://10.8.0.1/ai_deploy}"
 BUNDLE_NAME="${BUNDLE_NAME:-managed-portal-${RELEASE_VERSION}.zip}"
+WEIGHTS_ARCHIVE_NAME="${WEIGHTS_ARCHIVE_NAME:-people-flow-weights-${RELEASE_VERSION}.tar.gz}"
 INSTALL_ROOT="${INSTALL_ROOT:-/opt/managed-portal-releases}"
 TARGET_DIR="${TARGET_DIR:-${INSTALL_ROOT}/managed-portal-${RELEASE_VERSION}}"
 SHARED_ROOT="${SHARED_ROOT:-${INSTALL_ROOT}/shared}"
@@ -16,6 +17,46 @@ require_command() {
   fi
 }
 
+ensure_ubuntu_package() {
+  package_name="$1"
+  command_name="$2"
+
+  if command -v "$command_name" >/dev/null 2>&1; then
+    return 0
+  fi
+
+  if [ ! -r /etc/os-release ]; then
+    echo "missing required command: $command_name; unable to detect OS for automatic installation" >&2
+    exit 1
+  fi
+
+  os_id="$(. /etc/os-release && printf '%s' "${ID:-}")"
+  os_like="$(. /etc/os-release && printf '%s' "${ID_LIKE:-}")"
+
+  case "$os_id:$os_like" in
+    ubuntu:*|*:ubuntu*|debian:*|*:debian*)
+      ;;
+    *)
+      echo "missing required command: $command_name; automatic installation is only supported on Ubuntu/Debian hosts" >&2
+      exit 1
+      ;;
+  esac
+
+  if [ "$(id -u)" -ne 0 ]; then
+    echo "missing required command: $command_name; rerun installer as root on Ubuntu to auto-install $package_name" >&2
+    exit 1
+  fi
+
+  export DEBIAN_FRONTEND=noninteractive
+  apt-get update
+  apt-get install -y "$package_name"
+
+  if ! command -v "$command_name" >/dev/null 2>&1; then
+    echo "failed to install required command: $command_name" >&2
+    exit 1
+  fi
+}
+
 pull_or_use_local() {
   image="$1"
 
@@ -46,6 +87,11 @@ dir_has_files() {
   [ -d "$directory" ] && [ -n "$(find "$directory" -mindepth 1 -print -quit 2>/dev/null)" ]
 }
 
+dir_has_payload_files() {
+  directory="$1"
+  [ -d "$directory" ] && [ -n "$(find "$directory" -type f ! -name '.gitkeep' -print -quit 2>/dev/null)" ]
+}
+
 copy_dir_contents() {
   source_dir="$1"
   target_dir="$2"
@@ -64,6 +110,16 @@ download_bundle() {
   echo "$bundle_zip"
 }
 
+download_weights_archive() {
+  tmp_dir="$1"
+  weights_archive="$tmp_dir/$WEIGHTS_ARCHIVE_NAME"
+  weights_url="${BASE_URL%/}/$WEIGHTS_ARCHIVE_NAME"
+
+  echo "downloading $weights_url" >&2
+  curl -fL "$weights_url" -o "$weights_archive"
+  echo "$weights_archive"
+}
+
 build_overlay_image() {
   overlay_name="$1"
   base_image="$2"
@@ -126,17 +182,36 @@ find_existing_people_flow_weights() {
   return 1
 }
 
+extract_people_flow_weights_archive() {
+  tmp_dir="$1"
+  bundle_weights_dir="$TARGET_DIR/managed/people_flow_project/weights"
+  weights_archive="$(download_weights_archive "$tmp_dir")"
+
+  mkdir -p "$TARGET_DIR/managed"
+  tar -xzf "$weights_archive" -C "$TARGET_DIR/managed"
+
+  if ! dir_has_payload_files "$bundle_weights_dir"; then
+    echo "downloaded weights archive did not populate $bundle_weights_dir" >&2
+    exit 1
+  fi
+
+  printf '%s\n' "$bundle_weights_dir"
+}
+
 prepare_people_flow_weights() {
+  tmp_dir="$1"
   bundle_weights_dir="$TARGET_DIR/managed/people_flow_project/weights"
   source_weights_dir=""
 
-  if dir_has_files "$bundle_weights_dir"; then
+  if dir_has_payload_files "$bundle_weights_dir"; then
     source_weights_dir="$bundle_weights_dir"
     echo "seeding shared people-flow weights from bundle" >&2
   elif source_weights_dir="$(find_existing_people_flow_weights 2>/dev/null)"; then
     echo "reusing existing people-flow weights from $source_weights_dir" >&2
+  elif source_weights_dir="$(extract_people_flow_weights_archive "$tmp_dir" 2>/dev/null)"; then
+    echo "seeding shared people-flow weights from downloaded archive" >&2
   else
-    echo "people-flow weights not found; seed $MANAGED_PEOPLE_FLOW_WEIGHTS_DIR or include managed/people_flow_project/weights in the release zip" >&2
+    echo "people-flow weights not found; seed $MANAGED_PEOPLE_FLOW_WEIGHTS_DIR, publish $WEIGHTS_ARCHIVE_NAME, or include managed/people_flow_project/weights in the release zip" >&2
     exit 1
   fi
 
@@ -151,7 +226,8 @@ prepare_people_flow_weights() {
 }
 
 require_command curl
-require_command unzip
+ensure_ubuntu_package unzip unzip
+require_command tar
 require_command docker
 
 tmp_dir="$(mktemp -d)"
@@ -174,7 +250,7 @@ set +a
 MANAGED_PEOPLE_FLOW_WEIGHTS_DIR="${MANAGED_PEOPLE_FLOW_WEIGHTS_DIR:-$DEFAULT_PEOPLE_FLOW_WEIGHTS_DIR}"
 
 ensure_runtime_directories
-prepare_people_flow_weights
+prepare_people_flow_weights "$tmp_dir"
 
 clear_stale_runtime_state
 
@@ -208,4 +284,4 @@ run_compose \
   -f docker-compose.ota-release.yml \
   up -d
 
-echo "release installed under $TARGET_DIR"
+echo "release installed under $TARGET_DIR"