# 前置 & 准备工作
sudo dnf update -y
sudo dnf install -y nano wget curl unzip

# 安全组防火墙开放9200端口、5601端口

# 安装 Elasticsearch 9.2.2
# 导入官方 GPG key
sudo rpm --import https://artifacts.elastic.co/GPG-KEY-elasticsearch

# 新建 yum repo 文件
sudo tee /etc/yum.repos.d/elasticsearch.repo <<-'EOF'
[elasticsearch]
name=Elasticsearch repository for 9.x packages
baseurl=https://artifacts.elastic.co/packages/9.x/yum
gpgcheck=1
gpgkey=https://artifacts.elastic.co/GPG-KEY-elasticsearch
enabled=1
autorefresh=1
type=rpm-md
EOF

# 安装 Elasticsearch：
sudo dnf install elasticsearch --enablerepo=elasticsearch

# 先不管直接启动、报错再查看日志，有可能是权限问题
sudo systemctl daemon-reload
sudo systemctl enable elasticsearch
sudo systemctl start elasticsearch
sudo systemctl status elasticsearch
sudo journalctl -u elasticsearch -f

# 手动创建日志目录 + 设置权限
sudo mkdir -p /usr/share/elasticsearch/logs
sudo chown -R elasticsearch:elasticsearch /usr/share/elasticsearch/logs
sudo chmod 750 /usr/share/elasticsearch/logs

# 设置 elastic 超级用户密码 (推荐立即设定)：
sudo /usr/share/elasticsearch/bin/elasticsearch-reset-password -u elastic

# 查看自签名证书，有则正常
ll /etc/elasticsearch/certs/

# 查看 HTTP CA 证书指纹（用于其他客户端配置）
sudo openssl x509 -fingerprint -sha256 -in /etc/elasticsearch/certs/http_ca.crt -noout

# 设置环境变量（替换为你的实际密码）
export ELASTIC_PASSWORD='MyElastic123!'
# 测试 HTTPS 请求（必须用 --cacert，因启用了 TLS）
curl --cacert /etc/elasticsearch/certs/http_ca.crt \
     -u elastic:$ELASTIC_PASSWORD \
     https://localhost:9200


# 查看默认的配置文件
grep -v '^\s*#\|^\s*$'   /etc/elasticsearch/elasticsearch.yml
# 按实际情况修改配置文件集群名、非本地访问等
cluster.name: my-test-es
path.data: /var/lib/elasticsearch
path.logs: /var/log/elasticsearch
network.host: 0.0.0.0
xpack.security.enabled: true
xpack.security.enrollment.enabled: true
xpack.security.http.ssl:
  enabled: true
  keystore.path: certs/http.p12
xpack.security.transport.ssl:
  enabled: true
  verification_mode: certificate
  keystore.path: certs/transport.p12
  truststore.path: certs/transport.p12
cluster.initial_master_nodes: ["weblessie-server-02"]
http.host: 0.0.0.0


# 更改es的jvm大小
vim  /etc/elasticsearch/jvm.options
-Xms4g
-Xmx4g

# 重启
sudo systemctl restart elasticsearch

# 准备token，后续在Kibana中使用
sudo /usr/share/elasticsearch/bin/elasticsearch-create-enrollment-token -s kibana


# 准备安装 Kibana 9.2.2
# 新建 repo /etc/yum.repos.d/kibana.repo
sudo tee /etc/yum.repos.d/kibana.repo <<-'EOF'
[kibana]
name=Kibana repository for 9.x packages
baseurl=https://artifacts.elastic.co/packages/9.x/yum
gpgcheck=1
gpgkey=https://artifacts.elastic.co/GPG-KEY-elasticsearch
enabled=1
autorefresh=1
type=rpm-md
EOF

# 安装 Kibana：
sudo dnf install kibana --enablerepo=kibana
# 启动
sudo systemctl daemon-reload
sudo systemctl enable --now kibana

# 访问 Kibana，输入生成的token
http://ip:5601

# 获取 “verification code”
/usr/share/kibana/bin/kibana-verification-code

# 使用官方工具生成加密密钥（最规范）
sudo /usr/share/kibana/bin/kibana-encryption-keys generate --force
# 输出应类似：
# ✔ Encryption keys generated and written to /etc/kibana/kibana.yml:
#     xpack.encryptedSavedObjects.encryptionKey
#     xpack.reporting.encryptionKey
#     xpack.security.encryptionKey

# 修改配置文件
grep -v '^\s*#\|^\s*$'   /etc/kibana/kibana.yml
server.host: "0.0.0.0"
logging:
  appenders:
    file:
      type: file
      fileName: /var/log/kibana/kibana.log
      layout:
        type: json
  root:
    appenders:
      - default
      - file
pid.file: /run/kibana/kibana.pid
i18n.locale: "zh-CN"
elasticsearch.hosts: [https://10.0.0.38:9200]
elasticsearch.serviceAccountToken: AAEAAWVsYXN0aWMva2liYW5hL2Vucm9sbC1wcm9jZXNzLXRva2VuLTE3NjUzNDE4OTI3MjY6Um9KdUo2N1hSZVNPeGNzOXFDaUh2dw
elasticsearch.ssl.certificateAuthorities: [/var/lib/kibana/ca_1765341893683.crt]
xpack.fleet.outputs: [{id: fleet-default-output, name: default, is_default: true, is_default_monitoring: true, type: elasticsearch, hosts: [https://10.0.0.38:9200], ca_trusted_fingerprint: 80af64db043e12ebda11c10f70042af91306a705fdcb6285814a84b420c734a5}]
xpack.encryptedSavedObjects.encryptionKey: f10166c761265d5ca61e7fa2c1acac73
xpack.reporting.encryptionKey: 1772a5152522675d5a38470e905b2817
xpack.security.encryptionKey: d4b30e82e47f530a998e29cb0b8e5295