Change task of ready of clickhouse server.

defaults/main.yml

@@ -47,6 +47,9 @@ clickhouse_users_default:
   - { name: "default", password: "", networks: "{{ clickhouse_networks_default }}", profile: "default", quota: "default", comment: "Default user for login if user not defined" }
   - { name: "readonly", password: "", networks: "{{ clickhouse_networks_default }}", profile: "default", quota: "default", comment: "Example of user with readonly access" }
 
+clickhouse_ready_retries: 3
+clickhouse_ready_delay: 5
+
 #Full form { name:'<username>', password: '<plainpassword>', password_sha256_hex: '<sha256password>',
 #   networks:"<{} with nets>", profile:'<profile>', quota:'<quota>', dbs: '{} with dbs', comment: '<some comment>'}
 #Req: name, password or password_256_hex

tasks/main.yml

@@ -23,8 +23,14 @@
   when: clickhouse_rt_is_installed.rc == 0 and clickhouse_remove|bool == False
   tags: [config,config_sys]
 
-- name: Wait DBMS ready
-  command: sleep 1
+- name: Check clickhouse server is ready
+  command: "clickhouse-client -h 127.0.0.1 -q 'select 1'"
+  changed_when: False
+  retries: "{{ clickhouse_ready_retries }}"
+  delay: "{{ clickhouse_ready_delay }}"
+  register: clickhouse_rt_ready
+  until: clickhouse_rt_ready.rc == 0
+  tags: [config,config_sys]
 
 - include: config_db.yml
   when: clickhouse_rt_is_installed.rc == 0 and clickhouse_remove|bool == False
@@ -39,4 +45,4 @@
     - "remove_{{ ansible_pkg_mgr }}.yml"
     - "empty.yml"
   when: clickhouse_setup == 'package' and clickhouse_rt_is_installed.rc == 0 and clickhouse_remove|bool == True
-  tags: [remove]
+  tags: [remove]