openstack安装（liberty）--安装对象存储服务（swift）
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。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
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# . admin-openrc.sh
# openstack user create --domain default --password-prompt swift
User Password:
Repeat User Password:
+-----------+----------------------------------+
| Field | Value |
+-----------+----------------------------------+
| domain_id | default |
| enabled | True |
| id | 9f9d73e380ac4db0af601604ee45ea02 |
| name | swift |
+-----------+----------------------------------+
# openstack role add --project service --user swift admin
# openstack service create --name swift --description "OpenStack Object Storage" object-store
+-------------+----------------------------------+
| Field | Value |
+-------------+----------------------------------+
| description | OpenStack Object Storage |
| enabled | True |
| id | 6cbf871fbf5f4cb192a1e1337e59e5ed |
| name | swift |
| type | object-store |
+-------------+----------------------------------+
# openstack endpoint create --region RegionOne object-store public http://controller1:8080/v1/AUTH_%\(tenant_id\)s
+--------------+-----------------------------------------------+
| Field | Value |
+--------------+-----------------------------------------------+
| enabled | True |
| id | 9850ec8e31b7434090cca0d881355b46 |
| interface | public |
| region | RegionOne |
| region_id | RegionOne |
| service_id | 6cbf871fbf5f4cb192a1e1337e59e5ed |
| service_name | swift |
| service_type | object-store |
| url | http://controller1:8080/v1/AUTH_%(tenant_id)s |
+--------------+-----------------------------------------------+
# openstack endpoint create --region RegionOne object-store internal http://controller1:8080/v1/AUTH_%\(tenant_id\)s
+--------------+-----------------------------------------------+
| Field | Value |
+--------------+-----------------------------------------------+
| enabled | True |
| id | 11a006619fc24414accc7117a4daabc9 |
| interface | internal |
| region | RegionOne |
| region_id | RegionOne |
| service_id | 6cbf871fbf5f4cb192a1e1337e59e5ed |
| service_name | swift |
| service_type | object-store |
| url | http://controller1:8080/v1/AUTH_%(tenant_id)s |
+--------------+-----------------------------------------------+
# openstack endpoint create --region RegionOne object-store admin http://controller1:8080/v1
+--------------+----------------------------------+
| Field | Value |
+--------------+----------------------------------+
| enabled | True |
| id | 4d52cf1cf9ab4eab8e14c5db7a564960 |
| interface | admin |
| region | RegionOne |
| region_id | RegionOne |
| service_id | 6cbf871fbf5f4cb192a1e1337e59e5ed |
| service_name | swift |
| service_type | object-store |
| url | http://controller1:8080/v1 |
+--------------+----------------------------------+
9.2.2安裝配置組件
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# yum install openstack-swift-proxy python-swiftclient python-keystoneclient python-keystonemiddleware memcached -y
# 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 % XferdAverage Speed Time Time TimeCurrent
DloadUpload Total Spent LeftSpeed
100 29655100 29655 0 014194 00:00:020:00:02 --:--:-- 14188
# vi /etc/swift/proxy-server.conf
bind_port = 8080
user = swift
swift_dir = /etc/swift
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
use = egg:swift#proxy
account_autocreate = true
此项也需要取消注释
use = egg:swift#keystoneauth
operator_roles = admin,user
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
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。
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# yum install xfsprogs rsync -y
# ls /dev/sd*
/dev/sda/dev/sda1/dev/sda2/dev/sdb/dev/sdc
# 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
# 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
# mkdir -p /srv/node/sdb
# mkdir -p /srv/node/sdc
# 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
# mount /srv/node/sdb
# mount /srv/node/sdc
# 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
max connections = 2
path = /srv/node/
read only = false
lock file = /var/lock/account.lock
max connections = 2
path = /srv/node/
read only = false
lock file = /var/lock/container.lock
max connections = 2
path = /srv/node/
read only = false
lock file = /var/lock/object.lock
# systemctl enable rsyncd.service
Created symlink from /etc/systemd/system/multi-user.target.wants/rsyncd.service to /usr/lib/systemd/system/rsyncd.service.
# systemctl start rsyncd.service
# systemctl status rsyncd.service
9.3.2安裝配置組件
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# yum install openstack-swift-account openstack-swift-containeropenstack-swift-object-y
# 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 % XferdAverage Speed Time Time TimeCurrent
DloadUpload Total Spent LeftSpeed
10061471006147 0 0 4344 00:00:010:00:01 --:--:--4347
# 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 % XferdAverage Speed Time Time TimeCurrent
DloadUpload Total Spent LeftSpeed
10069761006976 0 0 516 00:00:130:00:13 --:--:--2087
#
# 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 % XferdAverage Speed Time Time TimeCurrent
DloadUpload Total Spent LeftSpeed
100 11819100 11819 0 0 9234 00:00:010:00:01 --:--:--9240
# vi /etc/swift/account-server.conf
bind_ip = 10.0.0.51
bind_port = 6002
user = swift
swift_dir = /etc/swift
devices = /srv/node
mount_check = true
pipeline = healthcheck recon account-server
use = egg:swift#recon
recon_cache_path = /var/cache/swift
# vi /etc/swift/container-server.conf
bind_ip = 10.0.0.51
bind_port = 6001
user = swift
swift_dir = /etc/swift
devices = /srv/node
mount_check = true
pipeline = healthcheck recon container-server
use = egg:swift#recon
recon_cache_path = /var/cache/swift
# vi /etc/swift/object-server.conf
bind_ip = 10.0.0.51
bind_port = 6000
user = swift
swift_dir = /etc/swift
devices = /srv/node
mount_check = true
pipeline = healthcheck recon object-server
use = egg:swift#recon
recon_cache_path = /var/cache/swift
recon_lock_path = /var/lock
# chown -R swift:swift /srv/node
# mkdir -p /var/cache/swift
# 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
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# cd /etc/swift/ ##切換目錄
# swift-ring-builder account.builder create 10 3 1 ###沒有輸出
# 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
# 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
# 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
# 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
# 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: idregionzone ip addressportreplication ipreplication port name weight partitions balance meta
0 1 1 10.0.0.516002 10.0.0.51 6002 sdb 100.00 0 -100.00
1 1 2 10.0.0.516002 10.0.0.51 6002 sdc 100.00 0 -100.00
2 1 3 10.0.0.526002 10.0.0.52 6002 sdb 100.00 0 -100.00
3 1 4 10.0.0.526002 10.0.0.52 6002 sdc 100.00 0 -100.00
# 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
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# cd /etc/swift/
# swift-ring-builder container.builder create 10 3 1
# 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
# 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
# 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
# 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
# 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: idregionzone ip addressportreplication ipreplication port name weight partitions balance meta
0 1 1 10.0.0.516001 10.0.0.51 6001 sdb 100.00 0 -100.00
1 1 2 10.0.0.516001 10.0.0.51 6001 sdc 100.00 0 -100.00
2 1 3 10.0.0.526001 10.0.0.52 6001 sdb 100.00 0 -100.00
3 1 4 10.0.0.526001 10.0.0.52 6001 sdc 100.00 0 -100.00
# 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
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# cd /etc/swift/
# swift-ring-builder object.builder create 10 3 1
# 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
# 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
# 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
# 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
# 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: idregionzone ip addressportreplication ipreplication port name weight partitions balance meta
0 1 1 10.0.0.516000 10.0.0.51 6000 sdb 100.00 0 -100.00
1 1 2 10.0.0.516000 10.0.0.51 6000 sdc 100.00 0 -100.00
2 1 3 10.0.0.526000 10.0.0.52 6000 sdb 100.00 0 -100.00
3 1 4 10.0.0.526000 10.0.0.52 6000 sdc 100.00 0 -100.00
# 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
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# ll *.ring.gz
-rw-r--r-- 1 root root 1445 Aug4 11:28 account.ring.gz
-rw-r--r-- 1 root root 1443 Aug4 11:34 container.ring.gz
-rw-r--r-- 1 root root 1438 Aug4 11:37 object.ring.gz
# 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
# 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
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# 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
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# 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
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name = Policy-0
default = yes
9.5.3将配置文件拷贝到各个存储节点
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# 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
# 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
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# chown -R root:swift /etc/swift
# chown -R root:swift /etc/swift
# chown -R root:swift /etc/swift
9.5.5启动控制节点的SWIFT代理服务
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# 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.
# systemctl start openstack-swift-proxy.service memcached.service
9.5.6启动各存储节点服务
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# systemctl enable openstack-swift-account.service openstack-swift-account-auditor.serviceopenstack-swift-account-reaper.service openstack-swift-account-replicator.service
# systemctl start openstack-swift-account.service openstack-swift-account-auditor.serviceopenstack-swift-account-reaper.service openstack-swift-account-replicator.service
# systemctl enable openstack-swift-container.serviceopenstack-swift-container-auditor.service openstack-swift-container-replicator.serviceopenstack-swift-container-updater.service
# systemctl start openstack-swift-container.service openstack-swift-container-auditor.service openstack-swift-container-replicator.service openstack-swift-container-updater.service
# systemctl enable openstack-swift-object.service openstack-swift-object-auditor.service openstack-swift-object-replicator.service openstack-swift-object-updater.service
# systemctl start openstack-swift-object.service openstack-swift-object-auditor.serviceopenstack-swift-object-replicator.service openstack-swift-object-updater.service
# systemctl enable openstack-swift-account.service openstack-swift-account-auditor.serviceopenstack-swift-account-reaper.service openstack-swift-account-replicator.service
# systemctl start openstack-swift-account.service openstack-swift-account-auditor.serviceopenstack-swift-account-reaper.service openstack-swift-account-replicator.service
# systemctl enable openstack-swift-container.serviceopenstack-swift-container-auditor.service openstack-swift-container-replicator.serviceopenstack-swift-container-updater.service
# systemctl start openstack-swift-container.service openstack-swift-container-auditor.service openstack-swift-container-replicator.service openstack-swift-container-updater.service
# systemctl enable openstack-swift-object.service openstack-swift-object-auditor.service openstack-swift-object-replicator.service openstack-swift-object-updater.service
# systemctl start openstack-swift-object.service openstack-swift-object-auditor.serviceopenstack-swift-object-replicator.service openstack-swift-object-updater.service
9.6驗證
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# echo "export OS_AUTH_VERSION=3" | tee -a admin-openrc.sh demo-openrc.sh
# 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.
# . demo-openrc.sh
# 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
# swift list##查看swift中的容器
container1
# swift list container1##查看swift容器中的对象
cirros-0.3.4-x86_64-disk.img
# 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
# swift list container1
# 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
# ls
admin-openrc.shanaconda-ks.cfgcirros-0.3.4-x86_64-disk.imgdemo-openrc.sh--os-project-domain-id--os-project-nametoken
# rm cirros-0.3.4-x86_64-disk.img
rm: remove regular file ‘cirros-0.3.4-x86_64-disk.img’? y
# 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
# ls
admin-openrc.shanaconda-ks.cfgcirros-0.3.4-x86_64-disk.imgdemo-openrc.sh--os-project-domain-id--os-project-nametoken
# swift post test_container ##建立容器
# swift list
container1
test_container
# swift delete test_container##删除容器
test_container
# swift list
container1
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