gistfile1.rb

ebs = node[:mongodb][:ebs]
access_key = node[:aws][:access_key]
secret_access_key = node[:aws][:secret_access_key]

if ebs[:raid] 

  ebs[:raid_volumes].times do |i|
    aws_ebs_volume "data_volume #{i+1}" do
      provider "aws_ebs_volume"

      size                  ebs[:size]
      device                "#{ebs[:device]}#{i+1}"

      aws_access_key        access_key
      aws_secret_access_key secret_access_key

      action [:create, :attach]
    end
  end

  mdadm "/dev/md0" do
    devices ebs[:raid_volumes].times.map { |i| "#{ebs[:device]}#{i+1}" }
    level 0
    chunk 64
    action [ :create, :assemble ]
  end

  execute "make ebs filesystem" do
    command "mkfs.xfs /dev/md0"
    not_if "file -s /dev/md0 | grep -i XFS"
  end

else

  aws_ebs_volume "data_volume" do
    provider "aws_ebs_volume"

    size                  ebs[:size]
    device                ebs[:device]

    aws_access_key        access_key
    aws_secret_access_key secret_access_key

    action [:create, :attach]
  end

  execute "make ebs filesystem" do
    command "mkfs.xfs #{ebs[:device]}"
    not_if "file -s /dev/sdd | grep -i XFS"
  end

end