fix: пропускать sync install_server.sh при сетевой ошибке

Если get.hy2.sh недоступен (таймаут без VPN), используется локальная
копия в roles/hysteria2/files/; падение только если её нет.

Co-authored-by: Cursor <cursoragent@cursor.com>

roles/hysteria2/tasks/sync_install_script.yml

@@ -14,10 +14,19 @@
     dest: "{{ hysteria2_install_script_staging_dir }}/{{ hysteria2_install_script_name }}.remote"
     mode: "0644"
     force: true
+    timeout: 30
   delegate_to: localhost
   become: false
   run_once: true
   register: _hysteria2_remote_script
+  failed_when: false
+
+- name: Record install script fetch result
+  ansible.builtin.set_fact:
+    _hysteria2_script_fetch_ok: "{{ not (_hysteria2_remote_script.failed | default(false)) }}"
+  delegate_to: localhost
+  become: false
+  run_once: true
 
 - name: Stat local install script in role files
   ansible.builtin.stat:
@@ -36,6 +45,7 @@
   become: false
   run_once: true
   register: _hysteria2_remote_script_stat
+  when: _hysteria2_script_fetch_ok | bool
 
 - name: Update bundled install script when official version is newer
   ansible.builtin.copy:
@@ -45,20 +55,55 @@
   delegate_to: localhost
   become: false
   run_once: true
-  when: >-
-    not _hysteria2_local_script.stat.exists
-    or _hysteria2_local_script.stat.checksum
-       != _hysteria2_remote_script_stat.stat.checksum
+  when:
+    - _hysteria2_script_fetch_ok | bool
+    - >-
+      not _hysteria2_local_script.stat.exists
+      or _hysteria2_local_script.stat.checksum
+         != _hysteria2_remote_script_stat.stat.checksum
   register: _hysteria2_script_updated
 
-- name: Report install script sync result
-  ansible.builtin.debug:
+- name: Fail when bundled install script is missing and official fetch failed
+  ansible.builtin.fail:
     msg: >-
-      {{
-        'Официальный install_server.sh обновлён в roles/hysteria2/files/'
-        if (_hysteria2_script_updated.changed | default(false))
-        else 'Локальный install_server.sh актуален (совпадает с ' ~ hysteria2_install_script_url ~ ')'
-      }}
+      Не удалось скачать {{ hysteria2_install_script_url }}
+      ({{ _hysteria2_remote_script.msg | default('сеть недоступна') }})
+      и локальный roles/hysteria2/files/{{ hysteria2_install_script_name }} отсутствует.
   delegate_to: localhost
   become: false
   run_once: true
+  when:
+    - not _hysteria2_script_fetch_ok | bool
+    - not _hysteria2_local_script.stat.exists
+
+- name: Report install script sync skipped due to network error
+  ansible.builtin.debug:
+    msg: >-
+      Пропуск синхронизации с {{ hysteria2_install_script_url }}:
+      {{ _hysteria2_remote_script.msg | default('сеть недоступна') }}.
+      Используется локальный roles/hysteria2/files/{{ hysteria2_install_script_name }}.
+  delegate_to: localhost
+  become: false
+  run_once: true
+  when: not _hysteria2_script_fetch_ok | bool
+
+- name: Report install script updated from official server
+  ansible.builtin.debug:
+    msg: Официальный install_server.sh обновлён в roles/hysteria2/files/
+  delegate_to: localhost
+  become: false
+  run_once: true
+  when:
+    - _hysteria2_script_fetch_ok | bool
+    - _hysteria2_script_updated.changed | default(false)
+
+- name: Report install script already up to date
+  ansible.builtin.debug:
+    msg: >-
+      Локальный install_server.sh актуален (совпадает с {{ hysteria2_install_script_url }}).
+  delegate_to: localhost
+  become: false
+  run_once: true
+  when:
+    - _hysteria2_script_fetch_ok | bool
+    - not (_hysteria2_script_updated.changed | default(false))