OpenStack Caracal : How to use Swift2024/05/22 |
This section shows how to use Swift Storage from Clients. This example is based on the environment like follows. ------------+--------------------------+------------ | | eth0|10.0.0.30 eth0|10.0.0.50 +-----------+-----------+ +-----------+-----------+ | [ dlp.srv.world ] | | [ network.srv.world ] | | (Control Node) | | (Proxy Node) | | | | | | MariaDB RabbitMQ | | Swift Proxy | | Memcached Nginx | | Nginx | | Keystone httpd | | | +-----------------------+ +-----------------------+ ------------+--------------------------+--------------------------+----------- eth0|10.0.0.71 eth0|10.0.0.72 eth0|10.0.0.73 +-----------+-----------+ +-----------+-----------+ +-----------+-----------+ | [snode01.srv.world] | | [snode02.srv.world] | | [snode03.srv.world] | | (Storage Node#1) | | (Storage Node#2) | | (Storage Node#3) | | | | | | | | Swift-Account | | Swift-Account | | Swift-Account | | Swift-Container | | Swift-Container | | Swift-Container | | Swift-Object | | Swift-Object | | Swift-Object | +-----------------------+ +-----------------------+ +-----------------------+ |
[1] | Add a user for using Swift on Keystone Control Node. By the way, if you'd like to use Swift Quickly, it's unnecessary to add a new user, it's possible to use with existing admin or swift user on Keystone. |
# create [swiftservice] project root@dlp ~(keystone)# openstack project create --domain default --description "Swift Service Project" swiftservice +-------------+----------------------------------+ | Field | Value | +-------------+----------------------------------+ | description | Swift Service Project | | domain_id | default | | enabled | True | | id | d136553c649b4f8a9e7c0b23f89a1da4 | | is_domain | False | | name | swiftservice | | options | {} | | parent_id | default | | tags | [] | +-------------+----------------------------------+ # create [SwiftOperator] role root@dlp ~(keystone)# openstack role create SwiftOperator +-------------+----------------------------------+ | Field | Value | +-------------+----------------------------------+ | description | None | | domain_id | None | | id | 0c53314e010f42e883b427ed521e88df | | name | SwiftOperator | | options | {} | +-------------+----------------------------------+ # add a user root@dlp ~(keystone)# openstack user create --domain default --project swiftservice --password userpassword swiftuser01 +---------------------+----------------------------------+ | Field | Value | +---------------------+----------------------------------+ | default_project_id | d136553c649b4f8a9e7c0b23f89a1da4 | | domain_id | default | | enabled | True | | id | 56856e02fdef4188bf374356fa834775 | | name | swiftuser01 | | options | {} | | password_expires_at | None | +---------------------+----------------------------------+ # add the user to [SwiftOperator] role root@dlp ~(keystone)# openstack role add --project swiftservice --user swiftuser01 SwiftOperator
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[2] | Work on a Client from here and later. Install Keystoneclient, Swiftclient on a Client first. |
root@client:~# apt -y install python3-openstackclient python3-keystoneclient python3-swiftclient
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[3] | Load environment variables first. ( it's the value for a user added in [1] ) |
ubuntu@client:~$
vi ~/keystonerc_swift
export OS_PROJECT_DOMAIN_NAME=Default
export OS_USER_DOMAIN_NAME=Default export OS_PROJECT_NAME=swiftservice export OS_USERNAME=swiftuser01 export OS_PASSWORD=userpassword export OS_AUTH_URL=https://dlp.srv.world:5000/v3 export OS_IDENTITY_API_VERSION=3 export PS1='\u@\h \W(swift)\$ '
ubuntu@client:~$
chmod 600 ~/keystonerc_swift ubuntu@client:~$ source ~/keystonerc_swift ubuntu@client ~(swift)$ echo "source ~/keystonerc_swift " >> ~/.bash_profile
# verify status ubuntu@client ~(swift)$ swift stat Account: AUTH_d136553c649b4f8a9e7c0b23f89a1da4 Containers: 0 Objects: 0 Bytes: 0 Content-Type: text/plain; charset=utf-8 X-Timestamp: 1716351063.69947 X-Put-Timestamp: 1716351063.69947 Vary: Accept X-Trans-Id: txafaeaa309ac444cdbb51d-00664d7057 X-Openstack-Request-Id: txafaeaa309ac444cdbb51d-00664d7057 |
[4] | Create a Container for saving files. |
ubuntu@client ~(swift)$ openstack container create test-container +------------------------------+----------------+------------------------------+ | account | container | x-trans-id | +------------------------------+----------------+------------------------------+ | AUTH_d136553c649b4f8a9e7c0b2 | test-container | tx9315e0f53fac42729f52e- | | 3f89a1da4 | | 00664d7073 | +------------------------------+----------------+------------------------------+ubuntu@client ~(swift)$ openstack container list +----------------+ | Name | +----------------+ | test-container | +----------------+ |
[5] | Upload a file on local to the Container. |
# upload [testfile.txt] ubuntu@client ~(swift)$ echo testfile > testfile.txt ubuntu@client ~(swift)$ openstack object create test-container testfile.txt +--------------+----------------+----------------------------------+ | object | container | etag | +--------------+----------------+----------------------------------+ | testfile.txt | test-container | e9409172a4036cc688f169c72131e921 | +--------------+----------------+----------------------------------+ubuntu@client ~(swift)$ openstack object list test-container +--------------+ | Name | +--------------+ | testfile.txt | +--------------+ |
[6] | Download a file from Swift Storage to local. |
ubuntu@client ~(swift)$
ubuntu@client ~(swift)$ rm testfile.txt
openstack object save test-container testfile.txt ubuntu@client ~(swift)$ total 48 -rw------- 1 ubuntu ubuntu 286 May 22 04:10 keystonerc_swift -rw-rw-r-- 1 ubuntu ubuntu 9 May 22 04:12 testfile.txt |
[7] | Delete a file on Swift Storage. |
ubuntu@client ~(swift)$ openstack object delete test-container testfile.txt ubuntu@client ~(swift)$ openstack object list test-container # [testfile.txt] has been removed |
[8] | Delete a Container on Swift Storage. |
ubuntu@client ~(swift)$ openstack container delete test-container ubuntu@client ~(swift)$ openstack container list # [test-container] has been removed
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