+dstool install with update executables (#81)

+condition for dynconf

Co-authored-by: Eugene Arbatsky <elabpro@yandex-team.ru>

Author: elabpro

playbooks/update_executable.yaml

@@ -31,6 +31,36 @@
     - dynamic
     - no_restart
 
+- hosts: "{{ ansible_play_hosts | default('ydb') }}"
+  become: true
+  tasks:
+    - name: Check ydb-dstool presence
+      stat:
+        path: "{{ ydb_dir }}/bin/ydb-dstool"
+      register: ydb_dstool_exists
+      tags:
+        - no_restart
+
+    - name: install ydb-dstool (from ydb_dstool_binary)
+      ansible.builtin.copy:
+        src: "{{ ydb_dstool_binary }}"
+        dest: "{{ ydb_dir }}/bin/ydb-dstool"
+        mode: 0755
+      when: not ydb_dstool_exists.stat.exists and ydb_dstool_binary is defined
+      tags:
+        - no_restart
+
+    - name: install ydb-dstool (from URL)
+      ansible.builtin.get_url:
+        url: https://storage.yandexcloud.net/blinkov-tmp/ydb-dstool # TODO: replace with a release URL
+        dest: "{{ ydb_dir }}/bin/"
+        mode: 0755
+      when: not ydb_dstool_exists.stat.exists and ydb_dstool_binary is not defined
+      tags:
+        - no_restart
+
 - name: Restart YDB cluster
   become: true
-  ansible.builtin.import_playbook: restart.yaml
+  ansible.builtin.import_playbook: restart.yaml
+  tags:
+    - restart

roles/preflight/tasks/main.yaml

@@ -41,4 +41,4 @@
 - name: Check conditions in variables (1. dynamic config)
   ansible.builtin.fail:
     msg: "Impossible to use ydb_enforce_user_token_requirement and ydb_request_client_certificate together"
-  when: ydb_enforce_user_token_requirement|bool and ydb_request_client_certificate|bool
+  when: ydb_use_dynamic_config is defined and ydb_use_dynamic_config|bool and ydb_enforce_user_token_requirement|bool and ydb_request_client_certificate|bool