Merge pull request #52 from sportsru/db_cluster_and_engine

Expansion of the functionality of creating and deleting databases

Author: AlexeySetevoi

README.md

@@ -101,7 +101,12 @@ clickhouse_dbs_custom:
       - { name: testu2 }
       - { name: testu3 }
       - { name: testu4, state: absent }
-      - { name: testu4, state: present }
+      - { name: testu5, state: present }
+      - { name: testu6, state: absent, cluster: testu6 }
+      - { name: testu7, state: present, cluster: testu7 }
+      - { name: testu8, state: absent, cluster: testu8, engine: Lazy(3600) }
+      - { name: testu9, state: present, cluster: testu9, engine: Lazy(3600) }
+
 ```
 
 F: You can create dictionary via odbc

tasks/config_db.yml

@@ -6,13 +6,20 @@
   tags: [config_db]
 
 - name: Config | Delete database config
-  command: "clickhouse-client -h 127.0.0.1 --port {{ clickhouse_tcp_port }} -q 'DROP DATABASE IF EXISTS `{{ item.name }}`'"
+  command: |
+    clickhouse-client -h 127.0.0.1 --port {{ clickhouse_tcp_port }}
+    -q 'DROP DATABASE IF EXISTS `{{ item.name }}`
+    {% if item.cluster is defined %}ON CLUSTER `{{ item.cluster }}`{% endif %}'
   with_items: "{{ clickhouse_dbs }}"
   when: item.state is defined and item.state == 'absent' and item.name in existing_databases.stdout_lines
   tags: [config_db]
 
 - name: Config | Create database config
-  command: "clickhouse-client -h 127.0.0.1 --port {{ clickhouse_tcp_port }} -q 'CREATE DATABASE IF NOT EXISTS `{{ item.name }}`'"
+  command: |
+    clickhouse-client -h 127.0.0.1 --port {{ clickhouse_tcp_port }}
+    -q 'CREATE DATABASE IF NOT EXISTS `{{ item.name }}`
+    {% if item.cluster is defined %}ON CLUSTER `{{ item.cluster }}`{% endif %}
+    {% if item.engine is defined %}ENGINE = {{ item.engine }}{% endif %}'
   with_items: "{{ clickhouse_dbs }}"
   when: (item.state is undefined or item.state == 'present') and item.name not in existing_databases.stdout_lines
   tags: [config_db]