【云服务管理】-优快云博客

本文链接：https://blog.youkuaiyun.com/Gsy166/article/details/147123662

公有云

云服务管理

弹性计算服务

云主机配置

名称	IP地址	配置
web-0001	192.168.1.11	2CPU，4G内存
web-0002	192.168.1.12	2CPU，4G内存

部署网站页面

# 安装 nfs 协议客户端

[root@ecs-proxy ~]# dnf install -y nfs-utils

[root@ecs-proxy ~]# mount -t nfs -o nolock <SFS服务地址> /mnt/

[root@ecs-proxy ~]# mkdir /mnt/html

# 部署网站页面到文件共享服务

[root@ecs-proxy ~]# tar -zxf s4/public/website.tar.gz -C /mnt/html/

部署 web 服务

# 安装 Web 服务

[root@web ~]# dnf install -y httpd php nfs-utils

[root@web ~]# systemctl enable --now httpd

# 配置开机自动挂载

[root@web ~]# vim /etc/fstab

<SFS服务地址>:/html /var/www/html nfs defaults,_netdev 1 1

[root@web ~]# systemctl daemon-reload

[root@web ~]# mount -a

# 查看验证

[root@web ~]# df -h

Filesystem Size Used Avail Use% Mounted on

<SFS服务地址> 1.2T 0 1.2T 0% /var/www/html

负载均衡服务

# 访问验证

[root@ecs-proxy s4]# curl -m3 http://192.168.0.250/info.php

<pre>

Array

(

[REMOTE_ADDR] => 192.168.1.252

[REQUEST_METHOD] => GET

[HTTP_USER_AGENT] => curl/7.61.1

[REQUEST_URI] => /info.php

)

php_host: web

1229

项目架构图

Elasticsearch 安装

添加软件包

# 添加 ELK 软件包到自定义 Yum 仓库

[root@ecs-proxy s4]# rsync -av elk/ /var/localrepo/elk/

[root@ecs-proxy s4]# createrepo --update /var/localrepo

购买云主机

主机	IP地址	配置
es-0001	192.168.1.21	最低配置2核4G
es-0002	192.168.1.22	最低配置2核4G
es-0003	192.168.1.23	最低配置2核4G

集群安装

部署 es-0001

[root@es-0001 ~]# vim /etc/hosts

192.168.1.21 es-0001

192.168.1.22 es-0002

192.168.1.23 es-0003

[root@es-0001 ~]# dnf install -y elasticsearch

[root@es-0001 ~]# vim /etc/elasticsearch/elasticsearch.yml

17: cluster.name: my-es

23: node.name: es-0001

56: network.host: 0.0.0.0

70: discovery.seed_hosts: ["es-0001", "es-0002", "es-0003"]

74: cluster.initial_master_nodes: ["es-0001", "es-0002", "es-0003"]

[root@es-0001 ~]# systemctl enable --now elasticsearch

# 服务启动成功

[root@es-0001 ~]# curl http://127.0.0.1:9200

{

"name" : "es-0001",

"cluster_name" : "my-es",

"cluster_uuid" : "_na_",

"version" : {

"number" : "7.17.8",

"build_flavor" : "default",

"build_type" : "rpm",

"build_hash" : "120eabe1c8a0cb2ae87cffc109a5b65d213e9df1",

"build_date" : "2022-12-02T17:33:09.727072865Z",

"build_snapshot" : false,

"lucene_version" : "8.11.1",

"minimum_wire_compatibility_version" : "6.8.0",

"minimum_index_compatibility_version" : "6.0.0-beta1"

"tagline" : "You Know, for Search"

}

部署 es-0002

# 验证集群状态失败

[root@es-0002 ~]# curl http://192.168.1.21:9200/_cat/nodes?pretty

{

"error" : {

"root_cause" : [

{

"type" : "master_not_discovered_exception",

"reason" : null

}

"type" : "master_not_discovered_exception",

"reason" : null

"status" : 503

}

# 部署服务

[root@es-0002 ~]# vim /etc/hosts

192.168.1.21 es-0001

192.168.1.22 es-0002

192.168.1.23 es-0003

[root@es-0002 ~]# dnf install -y elasticsearch

[root@es-0002 ~]# vim /etc/elasticsearch/elasticsearch.yml

17: cluster.name: my-es

23: node.name: es-0002

56: network.host: 0.0.0.0

70: discovery.seed_hosts: ["es-0001", "es-0002", "es-0003"]

74: cluster.initial_master_nodes: ["es-0001", "es-0002", "es-0003"]

[root@es-0002 ~]# systemctl enable --now elasticsearch

# 验证集群状态

[root@es-0002 ~]# curl http://127.0.0.1:9200/_cat/nodes

192.168.1.21 16 89 2 0.15 0.06 0.04 cdfhilmrstw * es-0001

192.168.1.22 6 88 61 1.00 0.23 0.08 cdfhilmrstw - es-0002

部署 es-0003

[root@es-0003 ~]# vim /etc/hosts

192.168.1.21 es-0001

192.168.1.22 es-0002

192.168.1.23 es-0003

[root@es-0003 ~]# dnf install -y elasticsearch

[root@es-0003 ~]# vim /etc/elasticsearch/elasticsearch.yml

17: cluster.name: my-es

23: node.name: es-0003

56: network.host: 0.0.0.0

70: discovery.seed_hosts: ["es-0001", "es-0002", "es-0003"]

74: cluster.initial_master_nodes: ["es-0001", "es-0002", "es-0003"]

[root@es-0003 ~]# systemctl enable --now elasticsearch

[root@es-0003 ~]# curl http://127.0.0.1:9200/_cat/nodes

192.168.1.21 16 89 2 0.15 0.06 0.04 cdfhilmrstw * es-0001

192.168.1.22 6 88 61 1.00 0.23 0.08 cdfhilmrstw - es-0002

192.168.1.23 6 86 1 0.64 0.21 0.07 cdfhilmrstw - es-0003

插件管理

部署插件页面

# 拷贝插件 public/head.tar.gz 到 es-0001 主机

[root@ecs-proxy s4]# rsync -av public/head.tar.gz 192.168.1.21:./

#-------------------------------------------------

# 在 es-0001 上安装 web 服务，并部署插件

[root@es-0001 ~]# dnf install -y nginx

[root@es-0001 ~]# systemctl enable --now nginx

[root@es-0001 ~]# tar zxf head.tar.gz -C /usr/share/nginx/html/

通过 ELB 的 8080 端口，发布服务到互联网

认证和代理

[root@es-0001 ~]# vim /etc/nginx/default.d/esproxy.conf

location ~* ^/es/(.*)$ {

proxy_pass http://127.0.0.1:9200/$1;

auth_basic "Elasticsearch admin";

auth_basic_user_file /etc/nginx/auth-user;

}

[root@es-0001 ~]# dnf install -y httpd-tools

[root@es-0001 ~]# htpasswd -cm /etc/nginx/auth-user admin

New password:

Re-type new password:

Adding password for user admin

[root@es-0001 ~]# systemctl reload nginx

通过 head 插件管理 elasticsearch 集群

API原语管理

集群状态查询

# 查询支持的关键字

[root@es-0001 ~]# curl -XGET http://127.0.0.1:9200/_cat/

# 查具体的信息

[root@es-0001 ~]# curl -XGET http://127.0.0.1:9200/_cat/master

# 显示详细信息 ?v

[root@es-0001 ~]# curl -XGET http://127.0.0.1:9200/_cat/master?v

# 显示帮助信息 ?help

[root@es-0001 ~]# curl -XGET http://127.0.0.1:9200/_cat/master?help

# 显示易读格式 ?pretty

[root@es-0001 ~]# curl -XGET http://127.0.0.1:9200/_cat/master?pretty

创建索引

指定索引的名称，指定分片数量，指定副本数量

# 创建 tedu 索引

[root@es-0001 ~]# curl 'http://127.0.0.1:9200/tedu?pretty' \

-X PUT -H 'Content-Type: application/json' -d '{

"settings": {

"number_of_shards": 3,

"number_of_replicas": 1

}

增加数据

[root@es-0001 ~]# curl -XPUT -H "Content-Type: application/json" \

http://127.0.0.1:9200/tedu/teacher/1?pretty -d '{

"职业": "诗人","名字": "李白","称号": "诗仙","年代": "唐"

查询数据

[root@es-0001 ~]# curl -XGET http://127.0.0.1:9200/tedu/teacher/_search?pretty

[root@es-0001 ~]# curl -XGET http://127.0.0.1:9200/tedu/teacher/1?pretty

修改数据

[root@es-0001 ~]# curl -XPOST -H "Content-Type: application/json" \

http://127.0.0.1:9200/tedu/teacher/1/_update -d '{

"doc": {"年代":"公元701"}

删除数据

# 删除一条

[root@es-0001 ~]# curl -XDELETE http://127.0.0.1:9200/tedu/teacher/1

# 删除索引

[root@es-0001 ~]# curl -XDELETE http://127.0.0.1:9200/tedu