```ruby
#    Copyright 2015 Midokura SARL, Inc.
#
#    Licensed under the Apache License, Version 2.0 (the "License"); you may
#    not use this file except in compliance with the License. You may obtain
#    a copy of the License at
#
#         http://www.apache.org/licenses/LICENSE-2.0
#
#    Unless required by applicable law or agreed to in writing, software
#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
#    License for the specific language governing permissions and limitations
#    under the License.

module Puppet::Parser::Functions
  newfunction(:generate_zookeeper_hash, :type => :rvalue, :doc => <<-EOS
    This function returns Zookeper configuration hash
    EOS
  ) do |argv|
    nodes_hash = argv[0]
    result = {}
    nodes_hash.each do |ctrl|
        result[ctrl[1]['fqdn']] = { 'host' => ctrl[1]['network_roles']['management'],
                                    'id' => (nodes_hash.keys().index(ctrl).to_i + 1).to_s
                                  }
    end
    return result
  end
end
```

Fix function to generate zookeper hashes
user
```ruby
#    Copyright 2015 Midokura SARL, Inc.
#
#    Licensed under the Apache License, Version 2.0 (the "License"); you may
#    not use this file except in compliance with the License. You may obtain
#    a copy of the License at
#
#         http://www.apache.org/licenses/LICENSE-2.0
#
#    Unless required by applicable law or agreed to in writing, software
#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
#    License for the specific language governing permissions and limitations
#    under the License.
#
module Puppet::Parser::Functions
  newfunction(:generate_zookeeper_hash, :type => :rvalue, :doc => <<-EOS
    This function returns Zookeper configuration hash
    EOS
  ) do |argv|
    nodes_hash = argv[0]
    result = {}
    nodes_hash.each_with_index do |ctrl, index|
      result[ctrl[1]['fqdn']] = {
        'host' => ctrl[1]['network_roles']['management'],
        'id'   => (index + 1).to_s,
      }
    end
    return result
  end
end
```
assistant