Module: Stem::Util

Included in:
Group, Image, Instance, Ip, Tag
Defined in:
lib/stem/util.rb

Instance Method Summary collapse

Instance Method Details

#get_filter_opts(filters) ⇒ Object 



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# File 'lib/stem/util.rb', line 36

def get_filter_opts(filters)
  opts = {}
  filters.each_with_index do |(k, v), n|
    opts["Filter.#{n}.Name"] = k.to_s
    v = [ v ] unless v.is_a? Array
    v.each_with_index do |v, i|
      opts["Filter.#{n}.Value.#{i}"] = v.to_s
    end
  end
  opts
end

#swirl ⇒ Object 



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# File 'lib/stem/util.rb', line 3

def swirl
   = "default"
  etc = "#{ENV["HOME"]}/.swirl"
  config = \
  if ENV["AWS_ACCESS_KEY_ID"] && ENV["AWS_SECRET_ACCESS_KEY"]
    {
      :aws_access_key_id => ENV["AWS_ACCESS_KEY_ID"],
      :aws_secret_access_key => ENV["AWS_SECRET_ACCESS_KEY"],
      :version => "2010-08-31"
    }
  else
     = .to_sym
    data = YAML.load_file(etc)
    if data.key?()
      data[]
    else
      abort("I don't see the account you're looking for")
    end
  end

  @swirl = Swirl::EC2.new config
end

#tags_to_filter(tags) ⇒ Object 



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# File 'lib/stem/util.rb', line 26

def tags_to_filter(tags)
  if tags.is_a? Hash
    get_filter_opts( tags.inject({}) {|h, (k, v)| h["tag:#{k}"] = v; h })
  elsif tags.is_a? Array
    get_filter_opts( { "tag-key" => tags.map(&:to_s) })
  else
    get_filter_opts( { "tag-key" => [tags.to_s] })
  end
end