openstack安装（liberty）--安装对象存储服务-创新互联

九、安装对象存储服务（swift），不使用控制節點數據庫服務，而於各存儲節點使用分布式SQLite數據庫。

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9.1对象存储服务包括的组件

Proxy servers (swift-proxy-server)代理服務，接收API或HTTP請求，執行上傳文件、修改源數據、WEB瀏覽時列表文件和創建容器等操作。通常使用CACHE技術（memcache）提高性能

Account servers (swift-account-server)賬戶服務，管理對象存儲中的賬戶定義。

Container servers (swift-container-server)容器服務，在對象存儲中管理容器或文件夾映……

Object servers (swift-object-server)對象服務，在存儲節點管理實際的對象，比如文件。

Various periodic processes執行各種週期性任務，比如複製服務確保群集中數據一致性和可用性。其他包括審計、更新、以及資源回收等。

WSGI middleware處理認證，通常使用OPENSTACK Identity

swift client為用戶提供命令行接口使用REST API

swift-init初始化和構建RING文件腳本

swift-recon一個命令行工具，用於檢索群集的各種度量和測試信息。

swift-ring-builder存儲RING構建和再平衡工具

9.2控制节点安裝配置代理服務（proxy service），用於處理用戶、容器以及對象操作請求，可以部署多個節點提高性能和冗余。可以不基於OPENSTACK其他組件安裝，自身可提供認證機制。

9.2.1創建用戶以及API訪問點

9.2.2安裝配置組件

[root@comtroller1 ~]# yum install openstack-swift-proxy python-swiftclient python-keystoneclient python-keystonemiddleware memcached -y [root@comtroller1 ~]# curl -o /etc/swift/proxy-server.conf https://git.openstack.org/cgit/openstack/swift/plain/etc/proxy-server.conf-sample?h=stable/liberty % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 100 29655 100 29655 0 0 14194 0 0:00:02 0:00:02 --:--:-- 14188 [root@comtroller1 ~]# vi /etc/swift/proxy-server.conf [DEFAULT] bind_port = 8080 user = swift swift_dir = /etc/swift [pipeline:main] pipeline = catch_errors gatekeeper healthcheck proxy-logging cache container_sync bulk ratelimit authtoken keystoneauth container-quotas account-quotas slo dlo versioned_writes proxy-logging proxy-server [app:proxy-server] use = egg:swift#proxy account_autocreate = true [filter:keystoneauth] 此项也需要取消注释 use = egg:swift#keystoneauth operator_roles = admin,user [filter:authtoken] 移除或註釋此配置組下其他項目 paste.filter_factory = keystonemiddleware.auth_token:filter_factory auth_uri = http://controller1:5000 auth_url = http://controller1:35357 auth_plugin = password project_domain_id = default user_domain_id = default project_name = service username = swift password = swift delay_auth_decision = true [filter:cache] use = egg:swift#memcache memcache_servers = 127.0.0.1:11211

9.3安裝配置存儲節點

9.3.1準備存儲節點：支持所有具備extended attributes (xattr)文件系統,推薦使用XFS文件系統。###在兩節點均執行如下準備操作。

[root@object1 ~]# yum install xfsprogs rsync -y [root@object1 ~]# ls /dev/sd* /dev/sda /dev/sda1 /dev/sda2 /dev/sdb /dev/sdc [root@object1 ~]# mkfs.xfs /dev/sdb meta-data=/dev/sdb isize=256 agcount=4, agsize=8388608 blks = sectsz=512 attr=2, projid32bit=1 = crc=0 finobt=0 data = bsize=4096 blocks=33554432, imaxpct=25 = sunit=0 swidth=0 blks naming =version 2 bsize=4096 ascii-ci=0 ftype=0 log =internal log bsize=4096 blocks=16384, version=2 = sectsz=512 sunit=0 blks, lazy-count=1 realtime =none extsz=4096 blocks=0, rtextents=0 [root@object1 ~]# mkfs.xfs /dev/sdc meta-data=/dev/sdc isize=256 agcount=4, agsize=8388608 blks = sectsz=512 attr=2, projid32bit=1 = crc=0 finobt=0 data = bsize=4096 blocks=33554432, imaxpct=25 = sunit=0 swidth=0 blks naming =version 2 bsize=4096 ascii-ci=0 ftype=0 log =internal log bsize=4096 blocks=16384, version=2 = sectsz=512 sunit=0 blks, lazy-count=1 realtime =none extsz=4096 blocks=0, rtextents=0 [root@object1 ~]# mkdir -p /srv/node/sdb [root@object1 ~]# mkdir -p /srv/node/sdc [root@object1 ~]# vi /etc/fstab /dev/sdb /srv/node/sdb xfs noatime,nodiratime,nobarrier,logbufs=8 0 2 /dev/sdc /srv/node/sdc xfs noatime,nodiratime,nobarrier,logbufs=8 0 2 [root@object1 ~]# mount /srv/node/sdb [root@object1 ~]# mount /srv/node/sdc [root@object1 ~]# vi /etc/rsyncd.conf uid = swift gid = swift log file = /var/log/rsyncd.log pid file = /var/run/rsyncd.pid address = 10.0.0.51 ###對應存儲節點IP地址 [account] max connections = 2 path = /srv/node/ read only = false lock file = /var/lock/account.lock [container] max connections = 2 path = /srv/node/ read only = false lock file = /var/lock/container.lock [object] max connections = 2 path = /srv/node/ read only = false lock file = /var/lock/object.lock [root@object1 ~]# systemctl enable rsyncd.service Created symlink from /etc/systemd/system/multi-user.target.wants/rsyncd.service to /usr/lib/systemd/system/rsyncd.service. [root@object1 ~]# systemctl start rsyncd.service [root@object1 ~]# systemctl status rsyncd.service

9.3.2安裝配置組件

[root@object1 ~]# yum install openstack-swift-account openstack-swift-container openstack-swift-object -y [root@object1 ~]# curl -o /etc/swift/account-server.conf https://git.openstack.org/cgit/openstack/swift/plain/etc/account-server.conf-sample?h=stable/liberty % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 100 6147 100 6147 0 0 4344 0 0:00:01 0:00:01 --:--:-- 4347 [root@object1 ~]# curl -o /etc/swift/container-server.conf https://git.openstack.org/cgit/openstack/swift/plain/etc/container-server.conf-sample?h=stable/liberty % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 100 6976 100 6976 0 0 516 0 0:00:13 0:00:13 --:--:-- 2087 [root@object1 ~]# [root@object1 ~]# curl -o /etc/swift/object-server.conf https://git.openstack.org/cgit/openstack/swift/plain/etc/object-server.conf-sample?h=stable/liberty % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 100 11819 100 11819 0 0 9234 0 0:00:01 0:00:01 --:--:-- 9240 [root@object1 ~]# vi /etc/swift/account-server.conf [DEFAULT] bind_ip = 10.0.0.51 bind_port = 6002 user = swift swift_dir = /etc/swift devices = /srv/node mount_check = true [pipeline:main] pipeline = healthcheck recon account-server [filter:recon] use = egg:swift#recon recon_cache_path = /var/cache/swift [root@object1 ~]# vi /etc/swift/container-server.conf [DEFAULT] bind_ip = 10.0.0.51 bind_port = 6001 user = swift swift_dir = /etc/swift devices = /srv/node mount_check = true [pipeline:main] pipeline = healthcheck recon container-server [filter:recon] use = egg:swift#recon recon_cache_path = /var/cache/swift [root@object1 ~]# vi /etc/swift/object-server.conf [DEFAULT] bind_ip = 10.0.0.51 bind_port = 6000 user = swift swift_dir = /etc/swift devices = /srv/node mount_check = true [pipeline:main] pipeline = healthcheck recon object-server [filter:recon] use = egg:swift#recon recon_cache_path = /var/cache/swift recon_lock_path = /var/lock [root@object1 ~]# chown -R swift:swift /srv/node [root@object1 ~]# mkdir -p /var/cache/swift [root@object1 ~]# chown -R root:swift /var/cache/swift

9.4創建和分發initial rings（在控制節點執行，安裝有proxy service）

9.4.1創建賬戶RING

[root@comtroller1 ~]# cd /etc/swift/ ##切換目錄 [root@comtroller1 swift]# swift-ring-builder account.builder create 10 3 1 ###沒有輸出 [root@comtroller1 swift]# swift-ring-builder account.builder add --region 1 --zone 1 --ip 10.0.0.51 --port 6002 --device sdb --weight 100 ###將各個存儲節點硬盤添加到RING Device d0r1z1-10.0.0.51:6002R10.0.0.51:6002/sdb_"" with 100.0 weight got id 0 [root@comtroller1 swift]# swift-ring-builder account.builder add --region 1 --zone 2 --ip 10.0.0.51 --port 6002 --device sdc --weight 100 Device d1r1z2-10.0.0.51:6002R10.0.0.51:6002/sdc_"" with 100.0 weight got id 1 [root@comtroller1 swift]# swift-ring-builder account.builder add --region 1 --zone 3 --ip 10.0.0.52 --port 6002 --device sdb --weight 100 Device d2r1z3-10.0.0.52:6002R10.0.0.52:6002/sdb_"" with 100.0 weight got id 2 [root@comtroller1 swift]# swift-ring-builder account.builder add --region 1 --zone 4 --ip 10.0.0.52 --port 6002 --device sdc --weight 100 Device d3r1z4-10.0.0.52:6002R10.0.0.52:6002/sdc_"" with 100.0 weight got id 3 [root@comtroller1 swift]# swift-ring-builder account.builder ##驗證RING配置 account.builder, build version 4 1024 partitions, 3.000000 replicas, 1 regions, 4 zones, 4 devices, 100.00 balance, 0.00 dispersion The minimum number of hours before a partition can be reassigned is 1 The overload factor is 0.00% (0.000000) Devices: id region zone ip address port replication ip replication port name weight partitions balance meta 0 1 1 10.0.0.51 6002 10.0.0.51 6002 sdb 100.00 0 -100.00 1 1 2 10.0.0.51 6002 10.0.0.51 6002 sdc 100.00 0 -100.00 2 1 3 10.0.0.52 6002 10.0.0.52 6002 sdb 100.00 0 -100.00 3 1 4 10.0.0.52 6002 10.0.0.52 6002 sdc 100.00 0 -100.00 [root@comtroller1 swift]# swift-ring-builder account.builder rebalance ##再平衡RING Reassigned 1024 (100.00%) partitions. Balance is now 0.00. Dispersion is now 0.00

9.4.2創建容器RING

[root@comtroller1 ~]# cd /etc/swift/ [root@comtroller1 swift]# swift-ring-builder container.builder create 10 3 1 [root@comtroller1 swift]# swift-ring-builder container.builder add --region 1 --zone 1 --ip 10.0.0.51 --port 6001 --device sdb --weight 100 Device d0r1z1-10.0.0.51:6001R10.0.0.51:6001/sdb_"" with 100.0 weight got id 0 [root@comtroller1 swift]# swift-ring-builder container.builder add --region 1 --zone 2 --ip 10.0.0.51 --port 6001 --device sdc --weight 100 Device d1r1z2-10.0.0.51:6001R10.0.0.51:6001/sdc_"" with 100.0 weight got id 1 [root@comtroller1 swift]# swift-ring-builder container.builder add --region 1 --zone 3 --ip 10.0.0.52 --port 6001 --device sdb --weight 100 Device d2r1z3-10.0.0.52:6001R10.0.0.52:6001/sdb_"" with 100.0 weight got id 2 [root@comtroller1 swift]# swift-ring-builder container.builder add --region 1 --zone 4 --ip 10.0.0.52 --port 6001 --device sdc --weight 100 Device d3r1z4-10.0.0.52:6001R10.0.0.52:6001/sdc_"" with 100.0 weight got id 3 [root@comtroller1 swift]# swift-ring-builder container.builder container.builder, build version 4 1024 partitions, 3.000000 replicas, 1 regions, 4 zones, 4 devices, 100.00 balance, 0.00 dispersion The minimum number of hours before a partition can be reassigned is 1 The overload factor is 0.00% (0.000000) Devices: id region zone ip address port replication ip replication port name weight partitions balance meta 0 1 1 10.0.0.51 6001 10.0.0.51 6001 sdb 100.00 0 -100.00 1 1 2 10.0.0.51 6001 10.0.0.51 6001 sdc 100.00 0 -100.00 2 1 3 10.0.0.52 6001 10.0.0.52 6001 sdb 100.00 0 -100.00 3 1 4 10.0.0.52 6001 10.0.0.52 6001 sdc 100.00 0 -100.00 [root@comtroller1 swift]# swift-ring-builder container.builder rebalance Reassigned 1024 (100.00%) partitions. Balance is now 0.00. Dispersion is now 0.00

9.4.3創建對象RING

[root@comtroller1 ~]# cd /etc/swift/ [root@comtroller1 swift]# swift-ring-builder object.builder create 10 3 1 [root@comtroller1 swift]# swift-ring-builder object.builder add --region 1 --zone 1 --ip 10.0.0.51 --port 6000 --device sdb --weight 100 Device d0r1z1-10.0.0.51:6000R10.0.0.51:6000/sdb_"" with 100.0 weight got id 0 [root@comtroller1 swift]# swift-ring-builder object.builder add --region 1 --zone 2 --ip 10.0.0.51 --port 6000 --device sdc --weight 100 Device d1r1z2-10.0.0.51:6000R10.0.0.51:6000/sdc_"" with 100.0 weight got id 1 [root@comtroller1 swift]# swift-ring-builder object.builder add --region 1 --zone 3 --ip 10.0.0.52 --port 6000 --device sdb --weight 100 Device d2r1z3-10.0.0.52:6000R10.0.0.52:6000/sdb_"" with 100.0 weight got id 2 [root@comtroller1 swift]# swift-ring-builder object.builder add --region 1 --zone 4 --ip 10.0.0.52 --port 6000 --device sdc --weight 100 Device d3r1z4-10.0.0.52:6000R10.0.0.52:6000/sdc_"" with 100.0 weight got id 3 [root@comtroller1 swift]# swift-ring-builder object.builder object.builder, build version 4 1024 partitions, 3.000000 replicas, 1 regions, 4 zones, 4 devices, 100.00 balance, 0.00 dispersion The minimum number of hours before a partition can be reassigned is 1 The overload factor is 0.00% (0.000000) Devices: id region zone ip address port replication ip replication port name weight partitions balance meta 0 1 1 10.0.0.51 6000 10.0.0.51 6000 sdb 100.00 0 -100.00 1 1 2 10.0.0.51 6000 10.0.0.51 6000 sdc 100.00 0 -100.00 2 1 3 10.0.0.52 6000 10.0.0.52 6000 sdb 100.00 0 -100.00 3 1 4 10.0.0.52 6000 10.0.0.52 6000 sdc 100.00 0 -100.00 [root@comtroller1 swift]# swift-ring-builder object.builder rebalance Reassigned 1024 (100.00%) partitions. Balance is now 0.00. Dispersion is now 0.00

9.4.4分發RING配置文件：拷貝account.ring.gz, container.ring.gz, and object.ring.gz到每個存儲節點或運行proxy service節點的/etc/swift/目錄下

[root@comtroller1 swift]# ll *.ring.gz -rw-r--r-- 1 root root 1445 Aug 4 11:28 account.ring.gz -rw-r--r-- 1 root root 1443 Aug 4 11:34 container.ring.gz -rw-r--r-- 1 root root 1438 Aug 4 11:37 object.ring.gz [root@comtroller1 swift]# scp *.ring.gz root@10.0.0.51:/etc/swift/ The authenticity of host '10.0.0.51 (10.0.0.51)' can't be established. ECDSA key fingerprint is ce:93:44:a9:4d:03:93:c7:df:bf:6a:c0:a4:7e:13:8a. Are you sure you want to continue connecting (yes/no)? yes Warning: Permanently added '10.0.0.51' (ECDSA) to the list of known hosts. root@10.0.0.51's password: account.ring.gz 100% 1445 1.4KB/s 00:00 container.ring.gz 100% 1443 1.4KB/s 00:00 object.ring.gz 100% 1438 1.4KB/s 00:00 [root@comtroller1 swift]# scp *.ring.gz root@10.0.0.52:/etc/swift/ The authenticity of host '10.0.0.52 (10.0.0.52)' can't be established. ECDSA key fingerprint is 12:a5:46:52:af:56:1c:1a:f1:f7:ae:04:ee:f4:4c:05. Are you sure you want to continue connecting (yes/no)? yes Warning: Permanently added '10.0.0.52' (ECDSA) to the list of known hosts. root@10.0.0.52's password: account.ring.gz 100% 1445 1.4KB/s 00:00 container.ring.gz 100% 1443 1.4KB/s 00:00 object.ring.gz 100% 1438 1.4KB/s 00:00

9.5結束安裝並啟動服務

9.5.1取得配置文件

[root@comtroller1 ~]# curl -o /etc/swift/swift.conf https://git.openstack.org/cgit/openstack/swift/plain/etc/swift.conf-sample?h=stable/liberty

9.5.2配置HASH_PATH_SUFFIX和HASH_PATH_PREFIX

[root@comtroller1 ~]# vi /etc/swift/swift.conf swift_hash_path_suffix = openstack swift_hash_path_prefix = openstack

9.5.2配置默认存储策略

[storage-policy:0] name = Policy-0 default = yes

9.5.3将配置文件拷贝到各个存储节点

[root@comtroller1 ~]# scp /etc/swift/swift.conf root@10.0.0.51:/etc/swift/ root@10.0.0.51's password: swift.conf 100% 7202 7.0KB/s 00:00 [root@comtroller1 ~]# scp /etc/swift/swift.conf root@10.0.0.52:/etc/swift/ root@10.0.0.52's password: swift.conf

9.5.4变更文件和文件夹权限

[root@comtroller1 ~]# chown -R root:swift /etc/swift [root@object1 ~]# chown -R root:swift /etc/swift [root@object2 ~]# chown -R root:swift /etc/swift

9.5.5启动控制节点的SWIFT代理服务

[root@comtroller1 ~]# systemctl enable openstack-swift-proxy.service memcached.service Created symlink from /etc/systemd/system/multi-user.target.wants/openstack-swift-proxy.service to /usr/lib/systemd/system/openstack-swift-proxy.service. [root@comtroller1 ~]# systemctl start openstack-swift-proxy.service memcached.service

9.5.6启动各存储节点服务

[root@object1 ~]# systemctl enable openstack-swift-account.service openstack-swift-account-auditor.service openstack-swift-account-reaper.service openstack-swift-account-replicator.service [root@object1 ~]# systemctl start openstack-swift-account.service openstack-swift-account-auditor.service openstack-swift-account-reaper.service openstack-swift-account-replicator.service [root@object1 ~]# systemctl enable openstack-swift-container.service openstack-swift-container-auditor.service openstack-swift-container-replicator.service openstack-swift-container-updater.service [root@object1 ~]# systemctl start openstack-swift-container.service openstack-swift-container-auditor.service openstack-swift-container-replicator.service openstack-swift-container-updater.service [root@object1 ~]# systemctl enable openstack-swift-object.service openstack-swift-object-auditor.service openstack-swift-object-replicator.service openstack-swift-object-updater.service [root@object1 ~]# systemctl start openstack-swift-object.service openstack-swift-object-auditor.service openstack-swift-object-replicator.service openstack-swift-object-updater.service [root@object2 ~]# systemctl enable openstack-swift-account.service openstack-swift-account-auditor.service openstack-swift-account-reaper.service openstack-swift-account-replicator.service [root@object2 ~]# systemctl start openstack-swift-account.service openstack-swift-account-auditor.service openstack-swift-account-reaper.service openstack-swift-account-replicator.service [root@object2 ~]# systemctl enable openstack-swift-container.service openstack-swift-container-auditor.service openstack-swift-container-replicator.service openstack-swift-container-updater.service [root@object2 ~]# systemctl start openstack-swift-container.service openstack-swift-container-auditor.service openstack-swift-container-replicator.service openstack-swift-container-updater.service [root@object2 ~]# systemctl enable openstack-swift-object.service openstack-swift-object-auditor.service openstack-swift-object-replicator.service openstack-swift-object-updater.service [root@object2 ~]# systemctl start openstack-swift-object.service openstack-swift-object-auditor.service openstack-swift-object-replicator.service openstack-swift-object-updater.service

9.6驗證

[root@comtroller1 ~]# echo "export OS_AUTH_VERSION=3" | tee -a admin-openrc.sh demo-openrc.sh [root@comtroller1 ~]# echo "export OS_REGION_NAME=RegionOne" | tee -a admin-openrc.sh demo-openrc.sh ###解决错误/usr/lib/python2.7/site-packages/keystoneclient/service_catalog.py:196: UserWarning: Providing attr without filter_value to get_urls() is deprecated as of the 1.7.0 release and may be removed in the 2.0.0 release. Either both should be provided or neither should be provided. [root@comtroller1 ~]# . demo-openrc.sh [root@comtroller1 ~]# swift stat ##查看swift状态 Account: AUTH_db6bcde12cc947119ecab8c211fa4f35 Containers: 1 Objects: 1 Bytes: 13287936 Containers in policy "policy-0": 1 Objects in policy "policy-0": 1 Bytes in policy "policy-0": 13287936 X-Account-Project-Domain-Id: default X-Timestamp: 1470286741.05862 X-Trans-Id: txa608922c24224805bfd25-0057a2e160 Content-Type: text/plain; charset=utf-8 Accept-Ranges: bytes [root@comtroller1 ~]# swift list ##查看swift中的容器 container1 [root@comtroller1 ~]# swift list container1 ##查看swift容器中的对象 cirros-0.3.4-x86_64-disk.img [root@comtroller1 ~]# swift delete container1 cirros-0.3.4-x86_64-disk.img ##删除容器中对象 cirros-0.3.4-x86_64-disk.img [root@comtroller1 ~]# swift list container1 [root@comtroller1 ~]# swift upload container1 cirros-0.3.4-x86_64-disk.img ##上传对象到容器 cirros-0.3.4-x86_64-disk.img [root@comtroller1 ~]# ls admin-openrc.sh anaconda-ks.cfg cirros-0.3.4-x86_64-disk.img demo-openrc.sh --os-project-domain-id --os-project-name token [root@comtroller1 ~]# rm cirros-0.3.4-x86_64-disk.img rm: remove regular file ‘cirros-0.3.4-x86_64-disk.img’? y [root@comtroller1 ~]# swift download container1 cirros-0.3.4-x86_64-disk.img ##从容器中下载对象 cirros-0.3.4-x86_64-disk.img [auth 0.637s, headers 0.682s, total 1.000s, 36.568 MB/s] [root@comtroller1 ~]# ls admin-openrc.sh anaconda-ks.cfg cirros-0.3.4-x86_64-disk.img demo-openrc.sh --os-project-domain-id --os-project-name token [root@comtroller1 ~]# swift post test_container ##建立容器 [root@comtroller1 ~]# swift list container1 test_container [root@comtroller1 ~]# swift delete test_container ##删除容器 test_container [root@comtroller1 ~]# swift list container1

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