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温州定制网站建设电话,市场调研报告模板,南京做网站建设的公司排名,抖音带运营3种合作方式OpenStack对接Ceph平台 目录 OpenStack对接Ceph平台 1、创建后端需要的存储池(ceph-01节点操作)2、创建后端用户 2.1 创建密钥(ceph-01节点操作) 2.1.1 创建用户client.cinder2.1.2 创建用户client.glance2.1.3 创建用户client.cinder-backup2.2 导出密钥(ceph-01节点操作)2.3 …

OpenStack对接Ceph平台

目录
  • OpenStack对接Ceph平台
    • 1、创建后端需要的存储池(ceph-01节点操作)
    • 2、创建后端用户
      • 2.1 创建密钥(ceph-01节点操作)
        • 2.1.1 创建用户client.cinder
        • 2.1.2 创建用户client.glance
        • 2.1.3 创建用户client.cinder-backup
      • 2.2 导出密钥(ceph-01节点操作)
      • 2.3 拷贝密钥
        • 2.3.1 创建存放目录(openstack三节点执行)
        • 2.3.2 拷贝密钥到控制节点(ceph-01节点操作)
        • 2.3.3 拷贝密钥到计算节点(ceph-01节点操作)
    • 3、添加libvirt密钥(计算节点执行)
    • 4、安装ceph客户端(openstack三节点执行)
    • 5、配置glance后端存储
      • 5.1 配置glance后端存储(控制节点执行)
      • 5.2 验证镜像(ceph-01节点执行)
    • 6、配置cinder后端存储
      • 6.1 更改cinder密钥属性(openstack三节点执行)
      • 6.2 修改cinder配置文件
      • 6.3 创建卷类型(控制节点执行)
    • 7、卷备份
      • 7.1 配置卷备份(计算节点执行)
      • 7.2 创建卷备份(控制节点执行)
      • 7.3 验证卷备份(ceph-01节点执行)
    • 8、配置nova集成ceph
      • 8.1 修改nova配置文件(计算节点执行)
      • 8.2 创建实例测试(控制节点执行)
      • 8.3 验证是否到ceph中的vms存储池(ceph-01节点执行)
      • 8.4 热迁移配置(计算节点执行)
      • 8.5 测试是否能互相通信连接，互通测试再进行热迁移
      • 8.6 查看云主机

1、创建后端需要的存储池(ceph-01节点操作)

# cinder卷的存储池
root@ceph-01:~# ceph osd pool create volumes 32# glance存储池
root@ceph-01:~# ceph osd pool create images 32# 备份存储池
root@ceph-01:~# ceph osd pool create backups 32# 创建实例存储池
root@ceph-01:~# ceph osd pool create vms 32
# 查看存储池
root@ceph-01:~# ceph osd pool ls
.mgr
volumes
images
backups
vmsroot@ceph-01:~# ceph osd pool ls detail
pool 1 '.mgr' replicated size 3 min_size 2 crush_rule 0 object_hash rjenkins pg_num 1 pgp_num 1 autoscale_mode on last_change 21 flags hashpspool stripe_width 0 pg_num_max 32 pg_num_min 1 application mgr
pool 2 'volumes' replicated size 3 min_size 2 crush_rule 0 object_hash rjenkins pg_num 32 pgp_num 32 autoscale_mode on last_change 24 flags hashpspool stripe_width 0
pool 3 'images' replicated size 3 min_size 2 crush_rule 0 object_hash rjenkins pg_num 32 pgp_num 32 autoscale_mode on last_change 27 flags hashpspool stripe_width 0
pool 4 'backups' replicated size 3 min_size 2 crush_rule 0 object_hash rjenkins pg_num 32 pgp_num 32 autoscale_mode on last_change 30 flags hashpspool stripe_width 0
pool 5 'vms' replicated size 3 min_size 2 crush_rule 0 object_hash rjenkins pg_num 32 pgp_num 32 autoscale_mode on last_change 33 flags hashpspool stripe_width 0

2、创建后端用户

2.1 创建密钥(ceph-01节点操作)

在ceph上创建cinder、glance、cinder-backup、nova用户创建密钥，允许访问使用Ceph存储池

2.1.1 创建用户client.cinder

# 对volumes存储池有rwx权限，对vms存储池有rwx权限，对images池有rx权限
root@ceph-01:~# ceph auth get-or-create client.cinder mon "allow r" osd "allow class-read object_prefix rbd_children,allow rwx pool=volumes,allow rwx pool=vms,allow rx pool=images"
  • class-read：x的子集，授予用户调用类读取方法的能力
  • object_prefix 通过对象名称前缀。下例将访问限制为任何池中名称仅以 rbd_children 为开头的对象。

2.1.2 创建用户client.glance

# 对images存储池有rwx权限
root@ceph-01:~# ceph auth get-or-create client.glance mon "allow r" osd "allow class-read object_prefix rbd_children,allow rwx pool=images"

2.1.3 创建用户client.cinder-backup

# 对backups存储池有rwx权限
root@ceph-01:~# ceph auth get-or-create client.cinder-backup mon "profile rbd" osd "profile rbd pool=backups"

使用 rbd profile 为新的 cinder-backup 用户帐户定义访问权限。然后，客户端应用使用这一帐户基于块来访问利用了 RADOS 块设备的 Ceph 存储。

2.2 导出密钥(ceph-01节点操作)

# 切换到ceph目录
root@ceph-01:~# cd /etc/ceph/# 导出glance密钥
root@ceph-01:/etc/ceph# ceph auth get client.glance -o ceph.client.glance.keyring# 导出cinder密钥
root@ceph-01:/etc/ceph# ceph auth get client.cinder -o ceph.client.cinder.keyring# 导出cinder-backup密钥
root@ceph-01:/etc/ceph# ceph auth get client.cinder-backup -o ceph.client.cinder-backup.keyring

2.3 拷贝密钥

2.3.1 创建存放目录(openstack三节点执行)

root@controller:~# mkdir /etc/ceph/

2.3.2 拷贝密钥到控制节点(ceph-01节点操作)

# 拷贝glance密钥
root@ceph-01:/etc/ceph# scp ceph.client.glance.keyring root@192.168.200.30:/etc/ceph/# 拷贝cinder密钥
root@ceph-01:/etc/ceph# scp ceph.client.cinder.keyring root@192.168.200.30:/etc/ceph/# 拷贝ceph集群认证配置文件
root@ceph-01:/etc/ceph# scp ceph.conf root@192.168.200.30:/etc/ceph/

2.3.3 拷贝密钥到计算节点(ceph-01节点操作)

# 拷贝cinder密钥
root@ceph-01:/etc/ceph# scp ceph.client.cinder.keyring root@192.168.200.31:/etc/ceph/
root@ceph-01:/etc/ceph# scp ceph.client.cinder.keyring root@192.168.200.32:/etc/ceph/# 拷贝cinder-backup密钥(backup服务节点)
root@ceph-01:/etc/ceph# scp ceph.client.cinder-backup.keyring root@192.168.200.31:/etc/ceph/
root@ceph-01:/etc/ceph# scp ceph.client.cinder-backup.keyring root@192.168.200.32:/etc/ceph/# 拷贝ceph集群认证配置文件
root@ceph-01:/etc/ceph# scp ceph.conf root@192.168.200.31:/etc/ceph/
root@ceph-01:/etc/ceph# scp ceph.conf root@192.168.200.32:/etc/ceph/

3、添加libvirt密钥(计算节点执行)

# 生成密钥(PS：注意，如果有多个计算节点，它们的UUID必须一致)
root@compute-01:~# cd /etc/ceph/
root@compute-01:/etc/ceph# UUID=bf168fa8-8d5b-4991-ba4c-12ae622a98b1
root@compute-01:/etc/ceph# cat >> secret.xml << EOF
<secret ephemeral='no' private='no'><uuid>$UUID</uuid><usage type='ceph'><name>client.cinder secret</name></usage>
</secret>
EOF# 执行命令写入secret
[root@compute01 ~]# virsh secret-define --file secret.xml# 查看添加后端密钥
root@compute-01:/etc/ceph# virsh secret-listUUID                                   Usage
-------------------------------------------------------------------bf168fa8-8d5b-4991-ba4c-12ae622a98b1   ceph client.cinder secret
# 加入key
# 将key值复制出来
[root@compute01 ~]# cat ceph.client.cinder.keyring
AQCvztRk8ssALhAAXshR1E+Y90HvIyxkhal1cQ==[root@compute01 ~]# virsh secret-set-value --secret ${UUID} --base64 $(cat ceph.client.cinder.keyring | grep key | awk -F ' ' '{print $3}')

4、安装ceph客户端(openstack三节点执行)

# 主要作用是OpenStack可调用Ceph资源
root@controller:~# apt install -y ceph-common

5、配置glance后端存储

5.1 配置glance后端存储(控制节点执行)

# 更改glance密钥属性
root@controller:~# chown glance.glance /etc/ceph/ceph.client.glance.keyring# 修改配置文件
root@controller:~# vim /etc/glance/glance-api.conf
root@controller:~# sed -n "14,23p" /etc/glance/glance-api.conf
[glance_store]
# stores = file,http
# default_store = file
# filesystem_store_datadir = /var/lib/glance/images/
stores = rbd,file,http
default_store = rbd
rbd_store_pool = images
rbd_store_user = glance
rbd_store_ceph_conf = /etc/ceph/ceph.conf
rbd_store_chunk_size = 8# 安装缺失aws的模块
root@controller:~# apt install -y python3-boto3# 重启生效ceph配置
root@controller:~# systemctl restart glance-api
# 设置开机自启动
root@controller:~# systemctl enable glance-api# 上传镜像
root@controller:~# openstack image create cirros_v1 --disk-format qcow2 --file cirros-0.4.0-x86_64-disk.img

5.2 验证镜像(ceph-01节点执行)

root@ceph-01:/etc/ceph# rbd ls images

6、配置cinder后端存储

6.1 更改cinder密钥属性(openstack三节点执行)

root@controller:~# chown cinder.cinder /etc/ceph/ceph.client.cinder.keyring

6.2 修改cinder配置文件

控制节点执行

# 指定存储类型，否则在创建卷时，类型为 __DEFAULT__
root@controller:~# vim /etc/cinder/cinder.conf
root@controller:~# sed -n "1,2p" /etc/cinder/cinder.conf
[DEFAULT]
default_volume_type = ceph# 重启服务生效配置
root@controller:~# systemctl restart cinder-scheduler

计算节点执行

root@controller:~# vim /etc/cinder/cinder.conf
root@compute-01:/etc/ceph# sed -n "1,2p;28,39p" /etc/cinder/cinder.conf
[DEFAULT]
enabled_backends = ceph,lvm[ceph]
volume_driver = cinder.volume.drivers.rbd.RBDDriver
rbd_pool = volumes
rbd_ceph_conf = /etc/ceph/ceph.conf
rbd_flatten_volume_from_snapshot = false
rbd_max_clone_depth = 5
rbd_store_chunk_size = 4
rados_connect_timeout = -1
glance_api_version = 2
rbd_user = cinder
rbd_secret_uuid = bf168fa8-8d5b-4991-ba4c-12ae622a98b1
volume_backend_name = ceph# 重启服务生效配置
root@compute-01:/etc/ceph# systemctl restart cinder-volume

6.3 创建卷类型(控制节点执行)

# 创建卷类型
root@controller:~# openstack volume type create ceph# 设置卷类型元数据
root@controller:~# cinder --os-username admin --os-tenant-name admin type-key ceph set volume_backend_name=ceph# 查看存储类型
root@controller:~# openstack volume type list
+--------------------------------------+-------------+-----------+
| ID                                   | Name        | Is Public |
+--------------------------------------+-------------+-----------+
| ccb0cd1e-562a-42e0-b0d0-3818d6910528 | ceph        | True      |
| 5ffdbebe-4f37-4690-8b40-36c6e6c63233 | lvm         | True      |
| c5b71526-643d-4e9c-b0b7-3cdf8d1e926b | __DEFAULT__ | True      |
+--------------------------------------+-------------+-----------+# 创建卷测试
root@controller:~# openstack volume create ceph01 --type ceph --size 1
# 查看volumes存储池是否存在卷
root@ceph-01:/etc/ceph# rbd ls volumes

7、卷备份

7.1 配置卷备份(计算节点执行)

# 安装服务
root@compute-01:/etc/ceph# apt -y install cinder-backup# 更改密钥属性
root@compute-01:/etc/ceph# chown cinder.cinder /etc/ceph/ceph.client.cinder-backup.keyring
# 修改配置文件
root@compute-01:/etc/ceph# vim /etc/cinder/cinder.conf
root@compute-01:/etc/ceph# sed -n "1,9p" /etc/cinder/cinder.conf
[DEFAULT]
backup_driver = cinder.backup.drivers.ceph.CephBackupDriver
backup_ceph_conf=/etc/ceph/ceph.conf
backup_ceph_user = cinder-backup
backup_ceph_chunk_size = 4194304
backup_ceph_pool = backups
backup_ceph_stripe_unit = 0
backup_ceph_stripe_count = 0
restore_discard_excess_bytes = true# 重启生效配置
root@compute-01:/etc/ceph# systemctl restart cinder-backup
# 设置开机自启动
root@compute-01:/etc/ceph# systemctl enable cinder-backup

7.2 创建卷备份(控制节点执行)

root@controller:~# openstack volume backup create --name ceph_backup ceph01

7.3 验证卷备份(ceph-01节点执行)

root@ceph-01:/etc/ceph# rbd ls backups

8、配置nova集成ceph

8.1 修改nova配置文件(计算节点执行)

# 修改nova配置文件
root@compute-01:/etc/ceph# vim /etc/nova/nova.conf
root@compute-01:/etc/ceph# sed -n "1,2p;47,52p" /etc/nova/nova.conf
[DEFAULT]
live_migration_flag = "VIR_MIGRATE_UNDEFINE_SOURCE,VIR_MIGRATE_PEER2PEER,VIR_MIGRATE_LIVE"[libvirt]
images_type = rbd
images_rbd_pool = vms
images_rbd_ceph_conf = /etc/ceph/ceph.conf
rbd_user = cinder
rbd_secret_uuid = bf168fa8-8d5b-4991-ba4c-12ae622a98b1
# 安装qemu支持rbd
root@compute-01:/etc/ceph# apt install -y qemu-block-extra# 重启nova服务生效配置
root@compute-01:/etc/ceph# systemctl restart nova-compute

8.2 创建实例测试(控制节点执行)

# 安全组对应admin项目ID
openstack server create --flavor C1-512MB-1G --image cirros_v1 --security-group default --nic net-id=$(vxlan网络id) --key-name mykey vm02root@controller:/etc/ceph# openstack server create --flavor C1-512MB-1G --image cirros --security-group default --nic net-id=a371c907-a326-4869-ab35-8ea53d838a98 --key-name mykey vm03

8.3 验证是否到ceph中的vms存储池(ceph-01节点执行)

root@ceph-01:/etc/ceph# rbd ls vms
0e1edb02-ec96-46f3-8e03-0599f06a1564_disk

8.4 热迁移配置(计算节点执行)

# 备份配置文件
root@compute-01:/etc/ceph# cp /etc/libvirt/libvirtd.conf{,.bak}# 配置监听地址
root@compute-01:/etc/ceph# vim /etc/libvirt/libvirtd.conf
root@compute-01:/etc/ceph# cat /etc/libvirt/libvirtd.conf
listen_tls = 0
listen_tcp = 1
tcp_port = "16509"
listen_addr = "192.168.200.32"     # 注意自己的主机地址
auth_tcp = "none"
# 备份配置文件
root@compute-01:/etc/ceph# cp /etc/default/libvirtd{,.bak}# 开启监听地址
root@compute-01:/etc/ceph# vim /etc/default/libvirtd
root@compute-01:/etc/ceph# sed -n "3p" /etc/default/libvirtd
LIBVIRTD_ARGS="--listen"
# 屏蔽libvirtd服务
root@compute-01:/etc/ceph# systemctl mask libvirtd.socket libvirtd-ro.socket libvirtd-admin.socket libvirtd-tls.socket libvirtd-tcp.socket# 重启libvirtd生效配置
root@compute-01:/etc/ceph# systemctl restart libvirtd# 重启计算节点nova服务
root@compute-01:/etc/ceph# systemctl restart nova-compute

8.5 测试是否能互相通信连接，互通测试再进行热迁移

# compute-01连接compute-02
root@compute-01:/etc/ceph# virsh -c qemu+tcp://compute-02/system
Welcome to virsh, the virtualization interactive terminal.Type:  'help' for help with commands'quit' to quitvirsh # # compute-02连接compute-01
root@compute-02:/etc/ceph# virsh -c qemu+tcp://compute-01/system
Welcome to virsh, the virtualization interactive terminal.Type:  'help' for help with commands'quit' to quitvirsh #

8.6 查看云主机

# 查看云主机
root@controller:/etc/ceph# openstack server list --all
+--------------------------------------+------+--------+---------------------------------------+--------------------------+-------------+
| ID                                   | Name | Status | Networks                              | Image                    | Flavor      |
+--------------------------------------+------+--------+---------------------------------------+--------------------------+-------------+
| 0e1edb02-ec96-46f3-8e03-0599f06a1564 | vm03 | ACTIVE | Intnal=192.168.100.94                 | cirros                   | C1-512MB-1G |
| 5db90dbb-9a25-46da-8d3a-24334c540d1f | vm02 | ACTIVE | Intnal=192.168.100.202                | N/A (booted from volume) | C1-512MB-1G |
| 77705e1a-8dfb-4b07-886b-c773b4b9be4a | vm01 | ACTIVE | Intnal=192.168.100.81, 192.168.200.59 | cirros                   | C1-512MB-1G |
+--------------------------------------+------+--------+---------------------------------------+--------------------------+-------------+
# 查看需要迁移的云主机详细信息
root@controller:/etc/ceph# openstack server show 0e1edb02-ec96-46f3-8e03-0599f06a1564
+-------------------------------------+----------------------------------------------------------+
| Field                               | Value                                                    |
+-------------------------------------+----------------------------------------------------------+
| OS-DCF:diskConfig                   | MANUAL                                                   |
| OS-EXT-AZ:availability_zone         | nova                                                     |
| OS-EXT-SRV-ATTR:host                | compute-01                                               |
| OS-EXT-SRV-ATTR:hypervisor_hostname | compute-01                                               |
| OS-EXT-SRV-ATTR:instance_name       | instance-00000003                                        |
| OS-EXT-STS:power_state              | Running                                                  |
| OS-EXT-STS:task_state               | None                                                     |
| OS-EXT-STS:vm_state                 | active                                                   |
| OS-SRV-USG:launched_at              | 2023-08-10T13:29:39.000000                               |
| OS-SRV-USG:terminated_at            | None                                                     |
| accessIPv4                          |                                                          |
| accessIPv6                          |                                                          |
| addresses                           | Intnal=192.168.100.94                                    |
| config_drive                        |                                                          |
| created                             | 2023-08-10T13:29:32Z                                     |
| flavor                              | C1-512MB-1G (bcdee760-b585-4455-8a06-825db740e988)       |
| hostId                              | 993f86bcdaeeaac9c515a989902788bf8c3050973d4a5c07a30f97fb |
| id                                  | 0e1edb02-ec96-46f3-8e03-0599f06a1564                     |
| image                               | cirros (ca7a8fff-7296-4907-894d-a84825955ad2)            |
| key_name                            | mykey                                                    |
| name                                | vm03                                                     |
| progress                            | 0                                                        |
| project_id                          | d511671fdcbc408fbe1978da791caa46                         |
| properties                          |                                                          |
| security_groups                     | name='default'                                           |
| status                              | ACTIVE                                                   |
| updated                             | 2023-08-10T13:29:39Z                                     |
| user_id                             | 3a66f914c2804018a416255998dda997                         |
| volumes_attached                    |                                                          |
+-------------------------------------+----------------------------------------------------------+
# 热迁移到另一个计算节点
root@controller:/etc/ceph# nova live-migration 0e1edb02-ec96-46f3-8e03-0599f06a1564 compute-02
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