CentOS7.5 手动部署Ceph RGW

编程语言 2018-07-03 20:01:11 阅读次数: 0

目    录

1     设备列表... 1

2     Ceph RGW 部署... 1

2.1     使用civetweb配置... 2

2.2     使用nginx配置... 5

本文主要记录一下手动部署rgw的过程，环境是使用的之前手动部署的ceph环境，之前的环境部署可以参考以下链接https://yq.aliyun.com/articles/604372

Ceph RGW(即RADOS Gateway)是Ceph对象存储网关服务，是基于LIBRADOS接口封装实现的FastCGI服务，对外提供存储和管理对象数据的Restful API。 对象存储适用于图片、视频等各类文件的上传下载，可以设置相应的访问权限。目前Ceph RGW兼容常见的对象存储API，例如兼容绝大部分Amazon S3 API，兼容OpenStack Swift API。

92ad053a81cb153eb9acfd377303506afc0d54b0

1    设备列表

功能

主机名

IP

mon,osd,mds,rgw

node1

192.168.1.10

mon,osd,mds,rgw

node2

192.168.1.11

mon,osd,mds,rgw

node3

192.168.1.12

 

2  Ceph RGW 部署

Ceph RGW的FastCGI支持多种Web服务器作为前端，例如Nginx、Apache2等。 从Ceph Hammer版本开始，使用ceph-deploy部署时将会默认使用内置的civetweb作为前端。本文分别采用civeweb和nginx进行一下部署。

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2.1  使用civetweb配置

1、安装radosgw

如果之前已经进行过安装，可以跳过此步骤

[root@node1 ~]# yum -y install radosgw

[root@node2 ~]# yum -y install radosgw

[root@node3 ~]# yum -y install radosgw

2、创建资源池

需要创建的资源池列表如下

[root@node1 ~]# cat pool

.rgw

.rgw.root

.rgw.control

.rgw.gc

.rgw.buckets

.rgw.buckets.index

.rgw.buckets.extra

.log

.intent-log

.usage

.users

.users.email

.users.swift

.users.uid

这里通过脚本快速创建这些资源池，脚本内容如下

#!/bin/bash

PG_NUM=64

PGP_NUM=64

SIZE=3

for i in `cat /root/pool`

        do

        ceph osd pool create $i $PG_NUM

        ceph osd pool set $i size $SIZE

        done

for i in `cat /root/pool`

        do

        ceph osd pool set $i pgp_num $PGP_NUM

        done

3、创建keyring

[root@node1 ~]# sudo ceph-authtool --create-keyring /etc/ceph/ceph.client.radosgw.keyring

creating /etc/ceph/ceph.client.radosgw.keyring

4、修改文件权限

[root@node1 ~]# sudo chown ceph:ceph /etc/ceph/ceph.client.radosgw.keyring

5、生成ceph-radosgw服务对应的用户和key

[root@node1 ~]# sudo ceph-authtool /etc/ceph/ceph.client.radosgw.keyring -n client.rgw.node1 --gen-key

6、为用户添加访问权限

[root@node1 ~]# sudo ceph-authtool -n client.rgw.node1 --cap osd 'allow rwx' --cap mon 'allow rwx' /etc/ceph/ceph.client.radosgw.keyring

7、导入keyring到集群中

[root@node1 ~]# sudo ceph -k /etc/ceph/ceph.client.admin.keyring auth add client.rgw.node1 -i /etc/ceph/ceph.client.radosgw.keyring

added key for client.rgw.node1

8、配置ceph.conf

[client.rgw.node1]

host=node1

keyring=/etc/ceph/ceph.client.radosgw.keyring

log file=/var/log/radosgw/client.radosgw.gateway.log

rgw_s3_auth_use_keystone = False

rgw_frontends = civetweb port=8080

9、创建日志目录并修改权限

[root@node1 ~]# mkdir /var/log/radosgw

[root@node1 ~]# chown ceph:ceph /var/log/radosgw

10、启动rgw

[root@node1 ~]# systemctl start [email protected]

[root@node1 ~]# systemctl status [email protected]

● [email protected] - Ceph rados gateway

   Loaded: loaded (/usr/lib/systemd/system/[email protected]; disabled; vendor preset: disabled)

   Active: active (running) since Tue 2018-07-03 12:53:42 CST; 5s ago

 Main PID: 13660 (radosgw)

   CGroup: /system.slice/system-ceph\x2dradosgw.slice/[email protected]

           └─13660 /usr/bin/radosgw -f --cluster ceph --name client.rgw.node1 --setuser ceph --setgr...

 

Jul 03 12:53:42 node1 systemd[1]: Started Ceph rados gateway.

Jul 03 12:53:42 node1 systemd[1]: Starting Ceph rados gateway...

11、查看端口监听状态

[root@node1 ~]# netstat -antpu | grep 8080

tcp        0      0 0.0.0.0:8080            0.0.0.0:*               LISTEN      13660/radosgw

12、设置rgw开机自动启动

[root@node1 ~]# systemctl enable [email protected]

Created symlink from /etc/systemd/system/ceph-radosgw.target.wants/[email protected] to /usr/lib/systemd/system/[email protected].

13、在node2、node3上部署rgw

以下命令在node1上执行即可

a、     创建对应的client.rgw.node2、client.rgw.node3用户并进行授权

[root@node1 ~]# sudo ceph-authtool /etc/ceph/ceph.client.radosgw.keyring -n client.rgw.node2 --gen-key

[root@node1 ~]# sudo ceph-authtool -n client.rgw.node2 --cap osd 'allow rwx' --cap mon 'allow rwx' /etc/ceph/ceph.client.radosgw.keyring

[root@node1 ~]# sudo ceph -k /etc/ceph/ceph.client.admin.keyring auth add client.rgw.node2 -i /etc/ceph/ceph.client.radosgw.keyring

added key for client.rgw.node2

 
[root@node1 ~]# sudo ceph-authtool /etc/ceph/ceph.client.radosgw.keyring -n client.rgw.node3 --gen-key

[root@node1 ~]# sudo ceph-authtool -n client.rgw.node3 --cap osd 'allow rwx' --cap mon 'allow rwx' /etc/ceph/ceph.client.radosgw.keyring

[root@node1 ~]# sudo ceph -k /etc/ceph/ceph.client.admin.keyring auth add client.rgw.node3 -i /etc/ceph/ceph.client.radosgw.keyring

added key for client.rgw.node3

b、    在ceph.conf文件中添加如下内容

[client.rgw.node2]

host=node2

keyring=/etc/ceph/ceph.client.radosgw.keyring

log file=/var/log/radosgw/client.radosgw.gateway.log

rgw_s3_auth_use_keystone = False

rgw_frontends = civetweb port=8080

[client.rgw.node3]

host=node3

keyring=/etc/ceph/ceph.client.radosgw.keyring

log file=/var/log/radosgw/client.radosgw.gateway.log

rgw_s3_auth_use_keystone = False

rgw_frontends = civetweb port=8080

c、     把创建好的ceph.client.radosgw.keyring和ceph.conf传到node2和node3上

[root@node1 ~]# scp /etc/ceph/ceph.client.radosgw.keyring node2:/etc/ceph/ceph.client.radosgw.keyring

[root@node1 ~]# scp /etc/ceph/ceph.client.radosgw.keyring node3:/etc/ceph/ceph.client.radosgw.keyring

[root@node1 ~]# scp /etc/ceph/ceph.conf node2:/etc/ceph/ceph.conf

[root@node1 ~]# scp /etc/ceph/ceph.conf node3:/etc/ceph/ceph.conf

d、    在node2和node3上分别创建日志目录并修改权限

[root@node2 ~]# mkdir /var/log/radosgw

[root@node2 ~]# chown ceph:ceph /var/log/radosgw

[root@node3 ~]# mkdir /var/log/radosgw

[root@node3 ~]# chown ceph:ceph /var/log/radosgw

e、     启动node2和node3上的rgw服务

[root@node2 ~]# systemctl restart [email protected]

[root@node2 ~]# systemctl status [email protected]

● [email protected] - Ceph rados gateway

   Loaded: loaded (/usr/lib/systemd/system/[email protected]; disabled; vendor preset: disabled)

   Active: active (running) since Tue 2018-07-03 13:19:51 CST; 5s ago

 Main PID: 12016 (radosgw)

[root@node3 ~]# systemctl start [email protected]

[root@node3 ~]# systemctl status [email protected]

● [email protected] - Ceph rados gateway

   Loaded: loaded (/usr/lib/systemd/system/[email protected]; disabled; vendor preset: disabled)

   Active: active (running) since Tue 2018-07-03 13:21:51 CST; 6s ago

 Main PID: 2435 (radosgw)

f、     设置rgw开机自动启动

[root@node2 ~]# systemctl enable [email protected]

Created symlink from /etc/systemd/system/ceph-radosgw.target.wants/[email protected] to /usr/lib/systemd/system/[email protected].

[root@node3 ~]# systemctl enable [email protected]

Created symlink from /etc/systemd/system/ceph-radosgw.target.wants/[email protected] to /usr/lib/systemd/system/[email protected].

2.2  使用nginx配置

1、在node1上安装nginx

[root@node1 ~]# yum -y install nginx

2、在/etc/nginx/conf.d/目录下生成rgw.conf并添加如下配置

server {

    listen   80;

    server_name node1;

    location / {

        fastcgi_pass_header Authorization;

        fastcgi_pass_request_headers on;

        fastcgi_param QUERY_STRING  $query_string;

        fastcgi_param REQUEST_METHOD $request_method;

        fastcgi_param CONTENT_LENGTH $content_length;

        fastcgi_param CONTENT_LENGTH $content_length;

        if ($request_method = PUT) {

                rewrite ^ /PUT$request_uri;

        }

        include fastcgi_params;

        fastcgi_pass 192.168.1.10:9000;

    }

    location /PUT/ {

        internal;

        fastcgi_pass_header Authorization;

        fastcgi_pass_request_headers on;

        include fastcgi_params;

        fastcgi_param QUERY_STRING  $query_string;

        fastcgi_param REQUEST_METHOD $request_method;

        fastcgi_param CONTENT_LENGTH $content_length;

        fastcgi_param  CONTENT_TYPE $content_type;

        fastcgi_pass 192.168.1.10:9000;

    }

}

server {

    listen   80;

    server_name node2;

    location / {

        fastcgi_pass_header Authorization;

        fastcgi_pass_request_headers on;

        fastcgi_param QUERY_STRING  $query_string;

        fastcgi_param REQUEST_METHOD $request_method;

        fastcgi_param CONTENT_LENGTH $content_length;

        fastcgi_param CONTENT_LENGTH $content_length;

        if ($request_method = PUT) {

                rewrite ^ /PUT$request_uri;

        }

        include fastcgi_params;

        fastcgi_pass 192.168.1.11:9000;

    }

    location /PUT/ {

        internal;

        fastcgi_pass_header Authorization;

        fastcgi_pass_request_headers on;

        include fastcgi_params;

        fastcgi_param QUERY_STRING  $query_string;

        fastcgi_param REQUEST_METHOD $request_method;

        fastcgi_param CONTENT_LENGTH $content_length;

        fastcgi_param  CONTENT_TYPE $content_type;

        fastcgi_pass 192.168.1.11:9000;

    }

}

server {

    listen   80;

    server_name node3;

    location / {

        fastcgi_pass_header Authorization;

        fastcgi_pass_request_headers on;

        fastcgi_param QUERY_STRING  $query_string;

        fastcgi_param REQUEST_METHOD $request_method;

        fastcgi_param CONTENT_LENGTH $content_length;

        fastcgi_param CONTENT_LENGTH $content_length;

        if ($request_method = PUT) {

                rewrite ^ /PUT$request_uri;

        }

        include fastcgi_params;

        fastcgi_pass 192.168.1.12:9000;

    }

    location /PUT/ {

        internal;

        fastcgi_pass_header Authorization;

        fastcgi_pass_request_headers on;

        include fastcgi_params;

        fastcgi_param QUERY_STRING  $query_string;

        fastcgi_param REQUEST_METHOD $request_method;

        fastcgi_param CONTENT_LENGTH $content_length;

        fastcgi_param  CONTENT_TYPE $content_type;

        fastcgi_pass 192.168.1.12:9000;

    }

}

注：由于是使用nginx端口使用是80端口，需要删掉或注释nginx.conf中的默认端口80的站点配置，否则nginx无法启动

4、启动nginx并设置为开机自动启动

[root@node1 ~]# systemctl start nginx

[root@node1 ~]# systemctl enable nginx

3、修改ceph.conf内容如下

[client.rgw.node1]

rgw frontends=fastcgi socket_port=9000 socket_host=0.0.0.0

host=node1

keyring=/etc/ceph/ceph.client.radosgw.keyring

log file=/var/log/radosgw/client.radosgw.gateway.log

rgw print continue=false

rgw content length compat = true

 

[client.rgw.node2]

rgw frontends=fastcgi socket_port=9000 socket_host=0.0.0.0

host=node2

keyring=/etc/ceph/ceph.client.radosgw.keyring

log file=/var/log/radosgw/client.radosgw.gateway.log

rgw print continue=false

rgw content length compat = true

 

[client.rgw.node3]

rgw frontends=fastcgi socket_port=9000 socket_host=0.0.0.0

host=node3

keyring=/etc/ceph/ceph.client.radosgw.keyring

log file=/var/log/radosgw/client.radosgw.gateway.log

rgw print continue=false

rgw content length compat = true

4、把修改好的/etc/ceph.conf 文件传到node2和node3上

[root@node1 ~]# scp  /etc/ceph/ceph.conf node2:/etc/ceph/ceph.conf

[root@node1 ~]# scp  /etc/ceph/ceph.conf node3:/etc/ceph/ceph.conf

5、在3个节点上分别重启rgw并观察端口是否修改为了9000

[root@node1 ~]# systemctl restart [email protected]

[root@node1 ~]# systemctl status [email protected]                                                                                                       

● [email protected] - Ceph rados gateway

   Loaded: loaded (/usr/lib/systemd/system/[email protected]; enabled; vendor preset: disabled)

   Active: active (running) since Tue 2018-07-03 15:00:44 CST; 5s ago

 Main PID: 16087 (radosgw)

 [root@node1 ~]# netstat -antpu | grep 9000

tcp        0      0 0.0.0.0:9000            0.0.0.0:*               LISTEN      16087/radosgw 

 
[root@node2 ~]# systemctl restart [email protected]

[root@node2 ~]# systemctl status [email protected]                                                                                                        

● [email protected] - Ceph rados gateway

   Loaded: loaded (/usr/lib/systemd/system/[email protected]; enabled; vendor preset: disabled)

   Active: active (running) since Tue 2018-07-03 15:01:46 CST; 5s ago

[root@node2 ~]# netstat -anptu | grep 9000

tcp        0      0 0.0.0.0:9000            0.0.0.0:*               LISTEN      13983/radosgw

 
[root@node3 ~]# systemctl restart [email protected]

[root@node3 ~]# systemctl status [email protected]

● [email protected] - Ceph rados gateway

   Loaded: loaded (/usr/lib/systemd/system/[email protected]; enabled; vendor preset: disabled)

   Active: active (running) since Tue 2018-07-03 15:02:43 CST; 14s ago

 [root@node3 ~]# netstat -antpu | grep 9000

tcp        0      0 0.0.0.0:9000            0.0.0.0:*               LISTEN      3737/radosgw

注：这一步做的过程中出了点小问题，node2上的rgw一直无法重启成功，后来查看是ceph.client.radosgw.keyring 中node2的用户信息没有了，需要重新添加一下，添加之前先通过ceph auth list看一下是否还有node2的信息，如果有的话，需要手动清除一下，然后在执行之前的创建用户和添加授权的命令即可。正确的文件内容如下

[root@node1 ~]# cat /etc/ceph/ceph.client.radosgw.keyring

[client.rgw.node1]

        key = AQCPADtbk6AoJxAAXSUaO5FmHAJl9BJBCeVZVA==

        caps mon = "allow rwx"

        caps osd = "allow rwx"

[client.rgw.node2]

        key = AQBRFjtb5zz0LRAAwr7RdxLprs344gA8v60Qhw==

        caps mon = "allow rwx"

        caps osd = "allow rwx"

[client.rgw.node3]

        key = AQCeBztbQPdFChAAgoDcmDWsQwRCo5SDPaHAIw==

        caps mon = "allow rwx"

        caps osd = "allow rwx"

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