On the Client Side, We Can Install a Ruby Gem Named Fog. In This Example, We Will Use OS X 10.10.1 as Client and HP Cloud as Cloud Service Provider. Obviously, we can use Python Swift Client to manage OpenStack Swift. Fog has extensive guides.
Manage OpenStack Swift With Fog (HP Cloud) : OS X Part
Our quite popular guide – iTerm2, Homebrew and ZSH Installation on OS X is the first step to get started. Next steps are :
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curl -L get.rvm.io | bash -s stable |
Sadly, two more profile files will be created apart from .zshrc, they are :
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~/.bash_profile ~/.profile ~/.zlogin |
You’ll run cat against these :
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cat ~/.bash_profile cat ~/.profile cat ~/.zlogin |
practically they’ll have this :
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export PATH="$PATH:$HOME/.rvm/bin" # Add RVM to PATH for scripting [[ -s "$HOME/.rvm/scripts/rvm" ]] && source "$HOME/.rvm/scripts/rvm" # Load RVM into a shell session *as a function* |
WE WILL DELETE :
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rm ~/.bash_profile rm ~/.profile rm ~/.zlogin |
AS WE HAVE ONLY ONE DOT FILE – .zshrc. We will only depend on .zshrc. Source it :
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source ~/.zshrc |
Next, we will run these commands :
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brew update source ~/.rvm/scripts/rvm rvm requirements |
Then :
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brew install libksba rvm install ruby-2.0.0-p598 rvm user all && rvm install ruby-2.0.0 --with-gcc=clang |
last two steps are :
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rvm use 2.0.0 --default && gem install fog |
You should be able to install the gem properly. This is a fixed instruction for OS X Mavericks. 1.9.2 will give you error :
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RVM does not know how to build working ruby-1.9.2-p330 on OSX 10.10, if you know please let us know by opening a ticket with instructions here: https://github.com/wayneeseguin/rvm/issues |
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Manage OpenStack Swift With Fog : HP Cloud Part
Its pretty easy :
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irb -r 'rubygems' irb -r 'fog' irb # you'll get an interactive session require 'rubygems' require 'fog' |
require 'rubygems' and require 'fog' should return true as output. Example configuration goes like this :
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def credentials_hash { :provider => :hp, :hp_auth_uri => ENV['OS_AUTH_URL'], :hp_access_key => ENV['OS_USER'], :hp_secret_key => ENV['OS_API_KEY'], :hp_tenant_id => ENV['OS_TENANT'] , :hp_avl_zone => ENV['OS_REGION'] } end storage = Fog::<SERVICE-NAME>.new(credentials_hash) |
The Fog::Storage.new(), which is a variable string. It can be cdn, compute etc. You will get question answers on Fog on StackOverflow > http://stackoverflow.com/questions/tagged/fog. Better specific guides can be found on HP’s website itself :
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https://dev.hpcloud.com/ruby/sdk-connect.html |
On OS X, installation can go hugely painful due to UNIX wheel group. Problem arises mainly from Homebrew part with OS X Mavericks. Fog is exactly not as painless as Python Swift Client for current version of OS X but it can become your solution for the need.
About Abhishek Ghosh
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