elk cluster, init

LOG/CLUSTER/README.md

+[![logo](https://www.hongsnet.net/images/logo.gif)](https://www.hongsnet.net)
+
+# 개요
+
+ELK Stack을 이용한 www.hongsnet.net 웹 로그분석을 운영 한다.
+
+
+# ELK Stack 구성 참조
+
+[바로가기](https://gitlab.hongsnet.net/joohan.hong/joohanhong/tree/master/LOG)
+
+
+# ELK Stack Cluster 구성 현황
+
+![elk_stack_cluster](./images/elk-cluster.png)
+
+
+# ELK Cluster 구성 내역
+
+
+**- Master Node**
+
+```bash
+# cat /etc/elasticsearch/elasticsearch.yml
+node.name: "TB3-ELK"
+node.master: true
+node.data: true
+network.host: 172.16.0.228
+transport.tcp.port: 9300
+transport.tcp.compress: true
+http.port: 9200
+cluster.initial_master_nodes: ["172.16.0.228:9300"]
+discovery.seed_hosts: ["172.16.0.228:9300"]
+
+```
+
+**- Data Node 1**
+
+```bash
+# cat /etc/elasticsearch/elasticsearch.yml
+node.name: "TB2-ELK"
+node.master: false
+node.data: true
+network.host: 172.24.0.229
+transport.tcp.port: 9300
+transport.tcp.compress: true
+http.port: 9200
+discovery.seed_hosts: ["172.16.0.228:9300"]
+xpack.security.enabled: false
+````
+
+**- Data Node 2**
+
+```bash
+# cat /etc/elasticsearch/elasticsearch.yml
+node.name: "TB3-DOCKER-ELK"
+node.master: false
+node.data: true
+network.host: 172.16.0.230
+transport.tcp.port: 9300
+transport.tcp.compress: true
+http.port: 9200
+discovery.seed_hosts: ["172.16.0.228:9300"]
+xpack.security.enabled: false
+````