OpenStack集群安装-06_Glance镜像服务集群

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集群安装

创建数据库

创建glance数据库,授权

source ~/PASS               # 读取数据库密码
mysql -u root -p$DBPass -e "
create database glance;
grant all privileges on glance.* to 'glance'@'localhost' identified by 'glance';
grant all privileges on glance.* to 'glance'@'%' identified by 'glance';"

创建服务

创建 glance 角色,授权

source ~/admin-openstack.sh              # 加载凭证
openstack user create --domain default --password=glance glance
openstack role add --project service --user glance admin

创建glance服务实体

openstack service create --name glance --description "OpenStack Image" image

创建服务 API

openstack endpoint create --region RegionOne image public http://controller:9292
openstack endpoint create --region RegionOne image internal http://controller:9292
openstack endpoint create --region RegionOne image admin http://controller:9292

安装 NFS 服务

打开nfs服务器电源,配置 NFS 服务,提供给控制节点存储glance镜像

NFS服务端配置(centos7)

配置免密码登录,初始化环境

source ~/SSH_KEY
SSH_KEY nfs
ssh nfs "curl http://home.onlycloud.xin/code/openstack-01_init.sh | sh"
scp /etc/hosts nfs:/etc/

安装配置 NFS Server

# 镜像存储路径
ImgDir='/data/glance'

ssh -T nfs <<EOF
yum install nfs-utils rpcbind -y
mkdir -p $ImgDir
echo "$ImgDir 192.168.0.0/24(rw,no_root_squash,sync)">>/etc/exports
exportfs -r
systemctl enable rpcbind nfs-server
systemctl restart rpcbind nfs-server
showmount -e localhost
EOF

NFS客户端(所有控制节点)

for HOST in controller{1..3}; do
    ssh -T $HOST  <<EOF
    # 启用 rpcbind
    systemctl enable rpcbind
    systemctl start rpcbind

    # 创建挂载目录
    mkdir -p $ImgDir

    # 设置镜像路径权限
    # chown glance:nobody $ImgDir

    # 手动挂载
    mount -t nfs nfs:$ImgDir $ImgDir

    # 写入开机执行shell
    echo -e '\n# mount nfs glance' >>/etc/rc.local
    echo "/usr/bin/mount -t nfs nfs:$ImgDir $ImgDir">>/etc/rc.local
    chmod +x /etc/rc.d/rc.local

    # 验证挂载
    df -h
EOF
done

安装配置Glance

安装 Glance

for HOST in controller{1..3}; do
    echo "------------- $HOST Glance ------------"
    ssh -T $HOST  <<EOF
    # 安装 Glance
    yum install -y openstack-glance python-glance

    # 备份默认配置
    [ -f /etc/glance/glance-api.conf.bak ] || cp /etc/glance/glance-api.conf{,.bak}
    [ -f /etc/glance/glance-registry.conf.bak ] || cp /etc/glance/glance-registry.conf{,.bak}

    # 配置镜像路径权限
    chown glance:nobody $ImgDir
EOF
done

Glance 配置

创建 glance-api 配置文件
cat <<EOF >/etc/glance/glance-api.conf
[DEFAULT]
debug = False
verbose = True
bind_host = controller1
bind_port = 9292
auth_region = RegionOne
registry_client_protocol = http

[database]
connection = mysql+pymysql://glance:glance@controller/glance

[keystone_authtoken]
auth_uri = http://controller:5000/v3
auth_url = http://controller:35357/v3
memcached_servers = controller1:11211,controller2:11211,controller3:11211
auth_type = password
project_domain_name = default
user_domain_name = default
project_name = service
username = glance
password = glance

[paste_deploy]
flavor = keystone

[glance_store]
stores = file,http
default_store = file
filesystem_store_datadir = $ImgDir

[oslo_messaging_rabbit]
rabbit_userid = openstack
rabbit_password = openstack
rabbit_durable_queues=true
rabbit_ha_queues = True
rabbit_max_retries= 0
rabbit_port = 5672
rabbit_hosts = controller1:5672,controller2:5672,controller3:5672
EOF
创建 glance-registry 配置文件
cat <<EOF >/etc/glance/glance-registry.conf
[DEFAULT]
debug = False
verbose = True
bind_host = controller1
bind_port = 9191
workers = 2

[database]
connection = mysql+pymysql://glance:glance@controller/glance

[keystone_authtoken]
auth_uri = http://controller:5000/v3
auth_url = http://controller:35357/v3
memcached_servers = controller1:11211,controller2:11211,controller3:11211
auth_type = password
project_domain_name = default
user_domain_name = default
project_name = service
username = glance
password = glance

[paste_deploy]
flavor = keystone

[oslo_messaging_rabbit]
rabbit_userid = openstack
rabbit_password = openstack
rabbit_durable_queues= true
rabbit_ha_queues = True
rabbit_max_retries= 0
rabbit_port = 5672  
rabbit_hosts = controller1:5672,controller2:5672,controller3:5672
EOF
同步 glance 配置到 controller2,3
rsync -avzP -e 'ssh -p 22' /etc/glance/* controller2:/etc/glance/
rsync -avzP -e 'ssh -p 22' /etc/glance/* controller3:/etc/glance/
更改controller2,3 监听主机 bind_host
ssh controller2 "sed -i 's/bind_host =.*/bind_host = controller2/' /etc/glance/glance-api.conf
ssh controller3 "sed -i 's/bind_host =.*/bind_host = controller3/' /etc/glance/glance-api.conf
ssh controller2 "sed -i 's/bind_host =.*/bind_host = controller2/' /etc/glance/glance-registry.conf" 
ssh controller3 "sed -i 's/bind_host =.*/bind_host = controller3/' /etc/glance/glance-registry.conf"

初始化数据库

初始化 glance数据库,检查数据库

su -s /bin/sh -c "glance-manage db_sync" glance
mysql -h controller -u glance -pglance -e "use glance;show tables;"

Haproxy代理

配置 glance_api_cluster 代理

cat <<EOF >>/etc/haproxy/haproxy.cfg

##########Glance_api_cluster##########
listen glance_api_cluster
  bind controller:9292
  #balance  source
  option  tcpka
  option  httpchk
  option  tcplog
  server controller1 controller1:9292 check inter 2000 rise 2 fall 5
  server controller2 controller2:9292 check inter 2000 rise 2 fall 5
  server controller3 controller3:9292 check inter 2000 rise 2 fall 5
EOF

同步 haproxy 配置到其他节点

rsync -avzP -e 'ssh -p 22' /etc/haproxy/haproxy.cfg controller2:/etc/haproxy/
rsync -avzP -e 'ssh -p 22' /etc/haproxy/haproxy.cfg controller3:/etc/haproxy/

服务管理

启动服务,跟随系统启动

for HOST in controller{1..3}; do
    echo "------------- $HOST ------------"
    ssh -T $HOST  <<EOF
    # 配置服务跟随系统启动
    systemctl enable openstack-glance-api openstack-glance-registry

    # 重启服务
    systemctl restart openstack-glance-api openstack-glance-registry haproxy
EOF
done

上传镜像

下载镜像源

wget http://download.cirros-cloud.net/0.3.5/cirros-0.3.5-x86_64-disk.img
wget http://download.cirros-cloud.net/0.4.0/cirros-0.4.0-x86_64-disk.img

上传镜像

使用qcow2磁盘格式，bare容器格式,上传镜像到镜像服务并设置公共可见

source ~/admin-openstack.sh
openstack image create "cirros-0.3.5" --file cirros-0.3.5-x86_64-disk.img --disk-format qcow2 --container-format bare --public
openstack image create "cirros-0.4.0" --file cirros-0.4.0-x86_64-disk.img --disk-format qcow2 --container-format bare --public

验证

发送凭证到其他控制节点

scp ~/admin-openstack.sh controller2:~/admin-openstack.sh
scp ~/admin-openstack.sh controller3:~/admin-openstack.sh

查看镜像列表(三台节点相同)

openstack image list
ssh controller2 "source ~/admin-openstack.sh;openstack image list"
ssh controller3 "source ~/admin-openstack.sh;openstack image list"

ls $ImgDir             # 查看本地镜像路径
ssh nfs "ls /data/glance"   # 查看 nfs 服务器镜像路径

使用脚本

site='http://home.onlycloud.xin'
wget $site/code/openstack-06_glance-cluster.sh -O openstack-glance-cluster.sh
sh openstack-glance-cluster.sh

本文标题:OpenStack集群安装-06_Glance镜像服务集群

文章作者:亦 漩

发布时间:2018年07月25日 - 20:07

最后更新:2018年09月27日 - 20:09

原始链接:https://home.onlycloud.xin/posts/openstack-06.html

许可协议: 署名4.0国际 （CC BY 4.0） 转载请保留原文链接及作者。