Merge pull request '修复 multiline 属性不存在的bug' (#57) from pengln/filebeat:master into master

Reviewed-on: https://app.huanyuantech.com:10301/gitea/ansible-collection/filebeat/pulls/57

playbooks/roles/filebeat/templates/filebeat.yml

@@ -10,7 +10,7 @@ filebeat.inputs:
   {% if "exclude_files" in logs[log_type] -%}
   exclude_files: {{ logs[log_type]['exclude_files'] }}
   {% endif -%}
-  {% if logs[log_type]['multiline'] -%}
+  {% if 'multiline' in logs[log_type] and logs[log_type]['multiline'] -%}
   multiline.type: pattern
   multiline.pattern: '^[0-9]{4}-[0-9]{2}-[0-9]{2}'
   multiline.negate: true