Ubuntu 16.04
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OpenStack Mitaka : How to use Swift
2016/06/08
 
This section shows how to use Swift Storage from Clients.
This section shows how to use Swift Storage from Clients.
This example shows to configure like the environment below.
                                    |
     +------------------+           |           +-----------------+
     | [ Control Node ] |10.0.0.30  |  10.0.0.50|  [ Proxy Node ] |
     |     Keystone     |-----------+-----------|                 |
     +------------------+           |           +-----------------+          +----------------+
                                    |                               10.0.0.20|  [ ClientPC ]  |
        +---------------------------+--------------------------+-------------|                |
        |                           |                          |             +----------------+
        |10.0.0.71                  |10.0.0.72                 |10.0.0.73 
+-------+----------+       +--------+---------+       +--------+---------+
| [Storage Node#1] |       | [Storage Node#2] |       | [Storage Node#3] |
|                  |-------|                  |-------|                  |
+------------------+       +------------------+       +------------------+

[1] Add a user for using Swift on Keystone Control Node.
By the way, if you'd like to use Swift Quickly, it's unnecessarry to add a new user, it's posibble to use with existing admin or swift user on Keystone.
# add swiftservice project

root@dlp ~(keystone)#
openstack project create --domain default --description "Swift Service Project" swiftservice

+-------------+----------------------------------+
| Field       | Value                            |
+-------------+----------------------------------+
| description | Swift Service Project            |
| domain_id   | 780b41cee03242da9ec0c73e1a76dc6e |
| enabled     | True                             |
| id          | 76a2f2815b4f417392805cf5e4a1988f |
| is_domain   | False                            |
| name        | swiftservice                     |
| parent_id   | 780b41cee03242da9ec0c73e1a76dc6e |
+-------------+----------------------------------+

# add SwiftOperator role

root@dlp ~(keystone)#
openstack role create SwiftOperator

+-----------+----------------------------------+
| Field     | Value                            |
+-----------+----------------------------------+
| domain_id | None                             |
| id        | ec2aee6756bc465d93945b789c764251 |
| name      | SwiftOperator                    |
+-----------+----------------------------------+

# add a user

root@dlp ~(keystone)#
openstack user create --domain default --project swiftservice --password userpassword user01

+--------------------+----------------------------------+
| Field              | Value                            |
+--------------------+----------------------------------+
| default_project_id | 76a2f2815b4f417392805cf5e4a1988f |
| domain_id          | 780b41cee03242da9ec0c73e1a76dc6e |
| enabled            | True                             |
| id                 | 72337fa9a78344479d289775517f5ac9 |
| name               | user01                           |
+--------------------+----------------------------------+

# add the user in SwiftOperator role

root@dlp ~(keystone)#
openstack role add --project swiftservice --user user01 SwiftOperator
[2] Work on a Client from here and later.
Install Keystoneclient, Swiftclient on a Client first.
root@client:~#
apt-get -y install python-keystoneclient python-swiftclient
[3] Load environment variables first. ( it's just the value for a user added in [1] )
root@client:~#
vi ~/keystonerc_swift
export OS_PROJECT_DOMAIN_NAME=default
export OS_USER_DOMAIN_NAME=default
export OS_PROJECT_NAME=swiftservice
export OS_USERNAME=user01
export OS_PASSWORD=userpassword
export OS_AUTH_URL=http://10.0.0.30:35357/v3
export OS_IDENTITY_API_VERSION=3
export PS1='[\u@\h \W(swift)]\$ '
root@client:~#
chmod 600 ~/keystonerc_swift

root@client:~#
source ~/keystonerc_swift

root@client ~(swift)#
echo "source ~/keystonerc_swift " >> ~/.bash_profile
# display status

root@client ~(swift)#
swift stat

        Account: AUTH_76a2f2815b4f417392805cf5e4a1988f
     Containers: 0
        Objects: 0
          Bytes: 0
X-Put-Timestamp: 1465470037.82202
    X-Timestamp: 1465470037.82202
     X-Trans-Id: tx4760fc25a3b340839e663-0057594c55
   Content-Type: text/plain; charset=utf-8
[4] Create a Container for saving files.
root@client ~(swift)#
swift post test_container

root@client ~(swift)#
swift list

test_container    
# just created

[5] Upload a file on local to the Container.
# upload test.txt

root@client ~(swift)#
swift upload test_container test.txt

test.txt
root@client ~(swift)#
swift list test_container

test.txt    
# just uploaded

[6] Download a file from Swift Storage to local.
# remove a file on local

root@client ~(swift)#
rm test.txt
root@client ~(swift)#
swift download test_container test.txt

test.txt [auth 0.243s, headers 0.497s, total 0.497s, 0.000 MB/s]
root@client ~(swift)#
total 12
-rw-------  1 root root 335 Nov 18 23:03 keystonerc_swift
-rw-r--r--  1 root root  10 Nov 18 23:05 test.txt
[7] Delete a file on Swift Storage.
root@client ~(swift)#
swift delete test_container test.txt

test.txt
root@client ~(swift)#
swift list test_container

test2.txt    
# test.txt is just deleted

[8] Delete a Container on Swift Storage.
root@client ~(swift)#
swift delete test_container

root@client ~(swift)#
swift list

# just deleted
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