docker安裝Elasticsearch7.6集群并設(shè)置密碼的方法步驟
Elasticsearch從6.8開始， 允許免費(fèi)用戶使用X-Pack的安全功能， 以前安裝es都是裸奔。接下來記錄配置安全認(rèn)證的方法。
為了簡化物理安裝過程，我們將使用docker安裝我們的服務(wù)。
一些基礎(chǔ)配置
es需要修改linux的一些參數(shù)。
設(shè)置vm.max_map_count=262144
sudo vim /etc/sysctl.conf vm.max_map_count=262144
不重啟， 直接生效當(dāng)前的命令
sysctl -w vm.max_map_count=262144
es的data和logs目錄需要給1000的用戶授權(quán)， 我們假設(shè)安裝3個(gè)實(shí)力的es集群，先創(chuàng)建對(duì)應(yīng)的數(shù)據(jù)存儲(chǔ)文件
mkdir -p es01/data mkdir -p es01/logs mkdir -p es02/data mkdir -p es02/logs mkdir -p es03/data mkdir -p es03/logs ## es的用戶id為1000，這里暫且授權(quán)給所有人好了 sudo chmod 777 es* -R
關(guān)于版本和docker鏡像
Elasticsearch分幾種licenses，其中Open Source和Basic是免費(fèi)的， 而在6.8之后安全功能才開始集成在es的Basic授權(quán)上。
Basic對(duì)應(yīng)docker鏡像為
docker pull docker.elastic.co/elasticsearch/elasticsearch:7.6.2
同時(shí)dockerhub同步為elasticsearch. 我們直接拉取elasticsearch:7.6.2就好。
開始
首先，創(chuàng)建docker-compose.yml
version: '2.2'
services:
es01:
image: elasticsearch:7.6.2
container_name: es01
environment:
- node.name=es01
- cluster.name=es-docker-cluster
- discovery.seed_hosts=es02,es03
- cluster.initial_master_nodes=es01,es02,es03
- bootstrap.memory_lock=true
- "ES_JAVA_OPTS=-Xms512m -Xmx512m"
ulimits:
memlock:
soft: -1
hard: -1
volumes:
- ./es01/data:/usr/share/elasticsearch/data
- ./es01/logs:/usr/share/elasticsearch/logs
- ./elasticsearch.yml:/usr/share/elasticsearch/config/elasticsearch.yml
- ./elastic-certificates.p12:/usr/share/elasticsearch/config/elastic-certificates.p12
ports:
- 9200:9200
networks:
- elastic
es02:
image: elasticsearch:7.6.2
container_name: es02
environment:
- node.name=es02
- cluster.name=es-docker-cluster
- discovery.seed_hosts=es01,es03
- cluster.initial_master_nodes=es01,es02,es03
- bootstrap.memory_lock=true
- "ES_JAVA_OPTS=-Xms512m -Xmx512m"
ulimits:
memlock:
soft: -1
hard: -1
volumes:
- ./es02/data:/usr/share/elasticsearch/data
- ./es02/logs:/usr/share/elasticsearch/logs
- ./elasticsearch.yml:/usr/share/elasticsearch/config/elasticsearch.yml
- ./elastic-certificates.p12:/usr/share/elasticsearch/config/elastic-certificates.p12
ports:
- 9201:9200
networks:
- elastic
es03:
image: elasticsearch:7.6.2
container_name: es03
environment:
- node.name=es03
- cluster.name=es-docker-cluster
- discovery.seed_hosts=es01,es02
- cluster.initial_master_nodes=es01,es02,es03
- bootstrap.memory_lock=true
- "ES_JAVA_OPTS=-Xms512m -Xmx512m"
ulimits:
memlock:
soft: -1
hard: -1
volumes:
- ./es03/data:/usr/share/elasticsearch/data
- ./es03/logs:/usr/share/elasticsearch/logs
- ./elasticsearch.yml:/usr/share/elasticsearch/config/elasticsearch.yml
- ./elastic-certificates.p12:/usr/share/elasticsearch/config/elastic-certificates.p12
ports:
- 9202:9200
networks:
- elastic
kib01:
depends_on:
- es01
image: kibana:7.6.2
container_name: kib01
ports:
- 5601:5601
environment:
ELASTICSEARCH_URL: http://es01:9200
ELASTICSEARCH_HOSTS: http://es01:9200
volumes:
- ./kibana.yml:/usr/share/kibana/config/kibana.yml
networks:
- elastic
networks:
elastic:
driver: bridge
關(guān)于elasticsearch.yml
內(nèi)容如下
network.host: 0.0.0.0 xpack.security.enabled: true xpack.security.transport.ssl.enabled: true xpack.security.transport.ssl.keystore.type: PKCS12 xpack.security.transport.ssl.verification_mode: certificate xpack.security.transport.ssl.keystore.path: elastic-certificates.p12 xpack.security.transport.ssl.truststore.path: elastic-certificates.p12 xpack.security.transport.ssl.truststore.type: PKCS12 xpack.security.audit.enabled: true
- network.host 設(shè)置允許其他ip訪問，解除ip綁定
- xpack.security 則是安全相關(guān)配置，其中ssl的證書需要自己生成
關(guān)于證書elastic-certificates.p12
es提供了生成證書的工具elasticsearch-certutil，我們可以在docker實(shí)例中生成它，然后復(fù)制出來，后面統(tǒng)一使用。
首先運(yùn)行es實(shí)例
sudo docker run -dit --name=es elasticsearch:7.6.2 /bin/bash
進(jìn)入實(shí)例內(nèi)部
sudo docker exec -it es /bin/bash
生成ca: elastic-stack-ca.p12
[root@25dee1848942 elasticsearch]# ./bin/elasticsearch-certutil ca
This tool assists you in the generation of X.509 certificates and certificate
signing requests for use with SSL/TLS in the Elastic stack.
The 'ca' mode generates a new 'certificate authority'
This will create a new X.509 certificate and private key that can be used
to sign certificate when running in 'cert' mode.
Use the 'ca-dn' option if you wish to configure the 'distinguished name'
of the certificate authority
By default the 'ca' mode produces a single PKCS#12 output file which holds:
* The CA certificate
* The CA's private key
If you elect to generate PEM format certificates (the -pem option), then the output will
be a zip file containing individual files for the CA certificate and private key
Please enter the desired output file [elastic-stack-ca.p12]:
Enter password for elastic-stack-ca.p12 :
再生成cert: elastic-certificates.p12
[root@25dee1848942 elasticsearch]# ./bin/elasticsearch-certutil cert --ca elastic-stack-ca.p12 This tool assists you in the generation of X.509 certificates and certificate signing requests for use with SSL/TLS in the Elastic stack. The 'cert' mode generates X.509 certificate and private keys.
這個(gè)生成elastic-certificates.p12 就是我們需要使用的。
復(fù)制出證書, ctrl+d退出容器內(nèi)部
sudo docker cp es:/usr/share/elasticsearch/elastic-certificates.p12 . # 關(guān)閉這個(gè)容器 sudo docker kill es sudo docker rm es
如此獲取了證書。
生成密碼
我們首先要啟動(dòng)es集群，去里面生成密碼。
sudo docker-compose up
然后進(jìn)入其中一臺(tái)
sudo docker exec -it es01 /bin/bash
生成密碼用auto， 自己設(shè)置用 interactive
[root@cfeeab4bb0eb elasticsearch]# ./bin/elasticsearch-setup-passwords -h Sets the passwords for reserved users Commands -------- auto - Uses randomly generated passwords interactive - Uses passwords entered by a user Non-option arguments: command Option Description ------ ----------- -E <KeyValuePair> Configure a setting -h, --help Show help -s, --silent Show minimal output -v, --verbose Show verbose output [root@cfeeab4bb0eb elasticsearch]# ./bin/elasticsearch-setup-passwords auto Initiating the setup of passwords for reserved users elastic,apm_system,kibana,logstash_system,beats_system,remote_monitoring_user. The passwords will be randomly generated and printed to the console. Please confirm that you would like to continue [y/N]y Changed password for user apm_system PASSWORD apm_system = YxVzeT9B2jEDUjYp66Ws Changed password for user kibana PASSWORD kibana = 8NnThbj0N02iDaTGhidU Changed password for user logstash_system PASSWORD logstash_system = 9nIDGe7KSV8SQidSk8Dj Changed password for user beats_system PASSWORD beats_system = qeuVaf1VEALpJHfEUOjJ Changed password for user remote_monitoring_user PASSWORD remote_monitoring_user = DtZCrCkVTZsinRn3tW3D Changed password for user elastic PASSWORD elastic = q5f2qNfUJQyvZPIz57MZ
使用密碼
瀏覽器訪問localhost:9200/9201/9202 需要輸入賬號(hào)
輸入對(duì)應(yīng)的elastic/password就好
瀏覽器訪問localhost:5601
忘記密碼
如果生成后忘記密碼了怎么辦， 可以進(jìn)入機(jī)器去修改。
進(jìn)入es的機(jī)器
sudo docker exec -it es01 /bin/bash
創(chuàng)建一個(gè)臨時(shí)的超級(jí)用戶RyanMiao
./bin/elasticsearch-users useradd ryan -r superuser Enter new password: ERROR: Invalid password...passwords must be at least [6] characters long [root@cfeeab4bb0eb elasticsearch]# ./bin/elasticsearch-users useradd ryan -r superuser Enter new password: Retype new password:
用這個(gè)用戶去修改elastic的密碼：
curl -XPUT -u ryan:ryan123 http://localhost:9200/_xpack/security/user/elastic/_password -H "Content-Type: application/json" -d '
{
"password": "q5f2qNfUJQyvZPIz57MZ"
}'
參考 http://codingfundas.com/setting-up-elasticsearch-6-8-with-kibana-and-x-pack-security-enabled/index.html
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