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radosgw-S3

This gem is used to access ceph storage and to create radosgw-admin user.

Installation

gem install radosgw-s3

Ceph-radosgw user

radosgw-admin guide to create radosgw user.

Usage

Initialize the service

require "radosgw-s3"
service = CEPH::User.new(:ipaddress => "RADOSGW_HOST_IP",
                          :username => "RADOSGW_HOST_USERNAME",
                          :user_password => "RADOSGW_HOST_USER_PASSWORD",
)

create user

service.create("UID_NAME", "DISPLAY_NAME")

It will give you the access_key and secret_key in hash format

{"access_key"=>"8OC3R0QYPOW9TWE6M4L7", "secret_key"=>"+dDV9U+0hx7VufeFGWvF+34AC9g1IcrsIrOzLtZL"}

Get user Usage

service.usage("UID_NAME")

It will return something like

{"total_objects"=>"2", "total_bytes"=>"102400", "last_update"=>"2015-10-09 05:45:02.466953Z"}

See also

radosgw-S3

radosgw-S3 library provides access to Ceph’s radosgw storage.

Initialize the service

require "radosgw-s3"
service = S3::Service.new(:access_key_id => "...",
                          :secret_access_key => "...",
                          :host => "127.0.0.1",
                          :port => 8000 # Defaults to 443 or 80 if not set
                         )

List buckets

service.buckets
#=> [#<S3::Bucket:first-bucket>,
#    #<S3::Bucket:second-bucket>]

Find bucket

first_bucket = service.buckets.find("first-bucket")
#=> #<S3::Bucket:first-bucket>

Create bucket

new_bucket = service.buckets.build("newbucketname")
new_bucket.save(:location => :eu)

List objects in a bucket

first_bucket.objects
#=> [#<S3::Object:/first-bucket/lenna.png>,
#    #<S3::Object:/first-bucket/lenna_mini.png>]

Find object in a bucket

object = first_bucket.objects.find("lenna.png")
#=> #<S3::Object:/first-bucket/lenna.png>

Access object metadata (cached from find)

object.content_type
#=> "image/png"

Access object content (downloads the object)

object.content
#=> "\x89PNG\r\n\x1A\n\x00\x00\x00\rIHDR\x00..."

Delete an object

object.destroy
#=> true

Create an object

new_object = bucket.objects.build("bender.png")
#=> #<S3::Object:/synergy-staging/bender.png>

new_object.content = open("bender.png")

new_object.save
#=> true

Please note that new objects are created with “private” ACL by default.

Fetch ACL

object = bucket.objects.find('lenna.png')
object.request_acl # or bucket.request_acl

This will return hash with all users/groups and theirs permissions

Modify ACL

object = bucket.objects.find("lenna.png")
object.copy(:key => "lenna.png", :bucket => bucket, :acl => :public_read)

See also

See LICENSE for details.