Class: Staypuft::Deployment::NovaService::NetworkRangesValidator

Inherits:
ActiveModel::Validator
  • Object
show all
Defined in:
app/models/staypuft/deployment/nova_service.rb

Instance Method Summary collapse

Instance Method Details

#validate(record) ⇒ Object 



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# File 'app/models/staypuft/deployment/nova_service.rb', line 13

def validate(record)
  valid_ranges = []
  [:public_floating_range, :private_fixed_range].each do |range_param|
    begin
      unless (range_str = record.send(range_param)).empty?
        ip_addr = IPAddr.new(range_str)
        ip_range = ip_addr.to_range
        if ip_range.begin == ip_range.end
          record.errors[range_param] << "Specify address range, not single value"
        else
          valid_ranges << [range_param, ip_addr]
        end
      end
    rescue
      record.errors[range_param] << "Invalid Network Range Format"
    end
    # don't validate conflicts unless both ranges otherwise passed validation
    if valid_ranges.size == 2
      valid_ranges.each_with_index do |param_and_ip, index|
        this_param_name = param_and_ip[0]
        this_ip_range = param_and_ip[1].to_range

        other_param_name = valid_ranges[(index+1)%2][0]
        other_ip_addr = valid_ranges[(index+1)%2][1]
        ["begin", "end"].each do |action|
          if (other_ip_addr===this_ip_range.send(action))
            record.errors[this_param_name] << "Range #{action} #{this_ip_range.begin} overlaps with range for #{other_param_name.to_s.humanize}"
          end
        end
      end
    end
  end
  unless record.private_fixed_range.empty?
    if record.network_size < 4
      record.errors[:private_fixed_range] << "Fixed range is too small. Specify CIDR for network size #{record.min_fixed_range_cidr} or larger"
    end
  end
end