Declare rack in Gemspec

[jasonklein]

A dependency, rack (https://github.com/OpenSTFoundation/ost-sdk-ruby/blob/master/lib/ost-sdk-ruby/util/http_helper.rb#L12), should be declared in the Gemspec.

[mirrormirage0]

Problem

ubuntu@neo-gcp-01-ubuntu16:~/OST$ sudo irb
irb(main):001:0> require('ost-sdk-ruby')
LoadError: cannot load such file -- rack
from /usr/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:55:in require' from /usr/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:55:inrequire'
from /var/lib/gems/2.3.0/gems/ost-sdk-ruby-0.9.2/lib/ost-sdk-ruby/util/http_helper.rb:12:in class:HTTPHelper' from /var/lib/gems/2.3.0/gems/ost-sdk-ruby-0.9.2/lib/ost-sdk-ruby/util/http_helper.rb:5:inmodule:Util'
from /var/lib/gems/2.3.0/gems/ost-sdk-ruby-0.9.2/lib/ost-sdk-ruby/util/http_helper.rb:3:in module:OSTSdk' from /var/lib/gems/2.3.0/gems/ost-sdk-ruby-0.9.2/lib/ost-sdk-ruby/util/http_helper.rb:1:in<top (required)>'
from /var/lib/gems/2.3.0/gems/ost-sdk-ruby-0.9.2/lib/ost-sdk-ruby/util.rb:4:in require_relative' from /var/lib/gems/2.3.0/gems/ost-sdk-ruby-0.9.2/lib/ost-sdk-ruby/util.rb:4:in<top (required)>'
from /usr/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:55:in require' from /usr/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:55:inrequire'
from /var/lib/gems/2.3.0/gems/ost-sdk-ruby-0.9.2/lib/ost-sdk-ruby.rb:7:in <top (required)>' from /usr/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:127:inrequire'
from /usr/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:127:in rescue in require' from /usr/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:40:inrequire'
from (irb):1
from /usr/bin/irb:11:in `

'

Solution

# sudo gem install rack

[jeez07z]

Also, to use the gem ‘rack’ - ruby version 2.2.x is required