添加filebeat注释

roles/filebeat/templates/filebeat.yml

 filebeat.prospectors:
 - input_type: log
   paths:
-    - /opt/tomcat/test-base-service/logs/base-service/base-service.log
+  //日志路径，java中定义的
+    - /opt/tomcat/test-base-service/logs/base-service/base-service.log 
   multiline:
       pattern: ^\d{4}\.\d{2}.\d{2}
       negate: true
       match: after
   fields:
+  //index名称，根据项目名字-服务名字
     doc_type: crmtest-base-service
 
 
 output.elasticsearch:
+//es的位置，是安装elk模块的机器ip
   hosts: ["172.16.162.209:9200"]
+//在es里存储index的名字
   index: "crmtest-%{+yyyy.MM.dd}"
   indices:
+//在es里存储index的名字。根据项目名字-服务名字
     - index: "crmtest-base-service-%{+yyyy.MM.dd}"
       when.contains:
+//日志的路径，java中定义的
         source: "/opt/tomcat/test-base-service/logs/base-service/base-service.log"
 
   protocol: "http"