๋šœ๋ถ€๋‹ˆ์˜ Devlog

Elasticsearch Cluster ์„ค์ •ํ•˜๊ธฐ

by ๋šœ๋ถ€๋‹ˆ

ELK

00. ์‹ค์Šต ํ™˜๊ฒฝ

Apache 2.0 License ๋‚ด์—์„œ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ๋Š” ๊ธฐ๋Šฅ๋งŒ ํฌํ•จ๋œ OSS ๋ฒ„์ „์„ ํ™œ์šฉํ•˜์—ฌ ์‹ค์Šตํ•˜์˜€์Šต๋‹ˆ๋‹ค.

  • CentOS 7.9
  • Elasticsearch OSS 7.10.2
  • Kibana OSS 7.10.2

์—ฌ๊ธฐ์„œ๋Š” ๊ณต์‹ ํ™ˆํŽ˜์ด์ง€์—์„œ ๋‹ค์šด๋กœ๋“œ ๋ฐ›์€ ํ›„ CentOS ์„œ๋ฒ„๋กœ ํŒŒ์ผ์„ ์˜ฎ๊ฒจ ์„ค์น˜ํ•˜๋Š” ๋ฐฉ์‹์œผ๋กœ ํ™˜๊ฒฝ์„ ๊ตฌ์ถ•ํ•˜์˜€์œผ๋ฉฐ,
๋‹ค๋ฅธ ๋ฐฉ์‹์œผ๋กœ ํ™˜๊ฒฝ ๊ตฌ์ถ•์„ ํ•˜๊ณ  ์‹ถ๋‹ค๋ฉด ๊ณต์‹ ๋ฌธ์„œ๋ฅผ ์ฐธ๊ณ ํ•˜์‹œ๊ธธ ๋ฐ”๋ž๋‹ˆ๋‹ค.

01. Elasticsearch ์„ค์น˜

๊ณต์‹ ํ™ˆํŽ˜์ด์ง€์—์„œ Elasticsearch RPM ๋ฒ„์ „์„ ๋‹ค์šด๋กœ๋“œ ๋ฐ›์€ ํ›„, CentOS ์„œ๋ฒ„์— ์—…๋กœ๋“œํ•ฉ๋‹ˆ๋‹ค.

์„œ๋ฒ„์— ์—…๋กœ๋“œ๊ฐ€ ์™„๋ฃŒ๋˜๋ฉด, ์•„๋ž˜ ๋ช…๋ น์–ด๋ฅผ ํ†ตํ•ด elasticsearch๋ฅผ ์„ค์น˜ํ•ฉ๋‹ˆ๋‹ค.

sudo rpm --install elasticsearch-oss-7.10.2-x86_64.rpm

02. Elasticsearch Cluster ์„ค์ •

1๋ฒˆ ์„œ๋ฒ„๋Š” 10.1.1.1 ์ด๋ผ๊ณ  ํ•˜๊ณ , 2๋ฒˆ ์„œ๋ฒ„๋Š” 10.2.2.2๋ผ๊ณ  ๊ฐ€์ •ํ•˜๊ณ  ์„ค์ • ํŒŒ์ผ์— ๋Œ€ํ•ด ์„ค๋ช…ํ•˜๊ฒ ์Šต๋‹ˆ๋‹ค.

๋จผ์ €, 1๋ฒˆ ์„œ๋ฒ„์˜ /etc/elasticsearch/elasticsearch.yml์„ ๋‹ค์Œ๊ณผ ๊ฐ™์ด ์„ค์ • ํ›„ elasticsearch๋ฅผ ์‹คํ–‰ํ•ฉ๋‹ˆ๋‹ค.

cluster.name: test
node.name: node-1
path.data: /var/lib/elasticsearch
path.logs: /var/log/elasticsearch
network.host: 0.0.0.0
discovery.seed_hosts: ["10.1.1.1", "10.2.2.2"]
cluster.initial_master_nodes: ["node-1", "node-2"]

๊ทธ๋‹ค์Œ, 2๋ฒˆ ์„œ๋ฒ„์˜ /etc/elasticsearch/elasticsearch.yml์„ ๋‹ค์Œ๊ณผ ๊ฐ™์ด ์„ค์ • ํ›„ elasticsearch๋ฅผ ์‹คํ–‰ํ•ฉ๋‹ˆ๋‹ค.

cluster.name: test
node.name: node-2
path.data: /var/lib/elasticsearch
path.logs: /var/log/elasticsearch
network.host: 0.0.0.0
discovery.seed_hosts: ["10.1.1.1", "10.2.2.2"]
cluster.initial_master_nodes: ["node-1", "node-2"]

๋‘ ์„œ๋ฒ„๋Š” ์„œ๋กœ ๋‹ค๋ฅธ IP๋ฅผ ๊ฐ€์ง„ ์„œ๋ฒ„์ด๊ธฐ ๋•Œ๋ฌธ์— ๋‘˜ ๋‹ค ๊ธฐ๋ณธ ๊ฐ’์ธ http.port=9200, transport.port=9300์„ ์‚ฌ์šฉํ•ฉ๋‹ˆ๋‹ค. ๋งŒ์•ฝ, ๋™์ผ ์„œ๋ฒ„์—์„œ ๋‘ ๊ฐœ์˜ Elasticsearch๋ฅผ ๋„์šฐ๋ ค๊ณ  ํ•œ๋‹ค๋ฉด, ์„œ๋กœ ๋‹ค๋ฅธ port๋ฅผ ์‚ฌ์šฉํ•ด ์ฃผ์„ธ์š”!

03. Kibana ์—ฐ๊ฒฐ

Elasticsearch Cluster๋ฅผ Kibana์— ์—ฐ๊ฒฐํ•˜๊ธฐ ์œ„ํ•ด Kibana ์„ค์ •์„ ๋ณ€๊ฒฝํ•˜๋„๋ก ํ•˜๊ฒ ์Šต๋‹ˆ๋‹ค.

๋จผ์ €, kibana ์„ค์ • ํŒŒ์ผ์„ ์—ด์–ด์ค๋‹ˆ๋‹ค.

sudo vi /etc/kibana/kibana.yml

๊ทธ๋‹ค์Œ ์„œ๋ฒ„ ์™ธ๋ถ€์—์„œ๋„ ์ ‘์†ํ•  ์ˆ˜ ์žˆ๋„๋ก host๋ฅผ ๋ณ€๊ฒฝํ•˜๊ณ , elasticsearch๋ฅผ ์—ฐ๊ฒฐํ•ด ์ค๋‹ˆ๋‹ค.

server.host: "0.0.0.0"
elasticsearch.hosts: ["http://10.1.1.1:9200", "http://10.2.2.2:9200"]

๊ทธ ํ›„ Kibana๋ฅผ ์‹คํ–‰ํ•ฉ๋‹ˆ๋‹ค.

sudo -i service kibana start

 

 

์ฐธ๊ณ 

 

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