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bind9-chroot (2) Versions 0.4.1

Installs/Configures bind9 with chroot and hiding CHAOS INFORMATION

Berkshelf/Librarian
Policyfile
Knife
cookbook 'bind9-chroot', '~> 0.4.1'
cookbook 'bind9-chroot', '~> 0.4.1', :supermarket
knife cookbook site install bind9-chroot
knife cookbook site download bind9-chroot
README
Dependencies
Quality

Description

This cookbook takes care of the installation and configuration of BIND9. You're able to define some global variables and manage your zonefiles via data bags (json example below). It also supports automatic serial number generation and automatic resource records for chef nodes (see optional json in example below) No DNSSEC, no configurable logging, no rndc shell operations or other safety checks (named-checkconf, etc.).

If you want to help feel free to contribute (either here or at Mike Adolphs's cookbook, which this is based on)!

DISCLAIMER:
It works on my setup!

Requirements

Platform:

  • Debian
  • Ubuntu
  • Centos

Attributes

It's so much better if you take a look at the attributes/default.rb file for the full list, but this is a brief summary:

  • node[:bind9][:enable_ipv6] - Enables BIND to listen on an IPv6 address. Default is: On
  • node[:bind9][:allow_query] - Allow clients to query the nameserver. Default is: none
  • node[:bind9][:allow_recursion] - Allow recursive name resolution. Default is: none (to prevent DNS cache poisoning)
  • node[:bind9][:allow_update] - Allow dynamic DNS updates. Default is: none
  • node[:bind9][:allow_transfer] - Allow zone transfers globally. Default is: none
  • node[:bind9][:enable_forwarding] - Enables forwarding of requests. Default is: No forwarding
  • node[:bind9][:forwarders] - Array for forwarding DNS. Default is: 8.8.4.4 and 8.8.8.8 (Google DNS)
  • node[:bind9][:chroot_dir] - Enables running in a chroot'ed environment. Default is: no chroot'ing
  • node[:bind9][:disclose] - Enables disclosing CHAOS information. Default is: false

Usage

Add "recipe[bind9-chroot]" to your run list. If you want to use BIND9 for serving domains you need add the appropriate data via data bags (example below). Please note that the data bag's structure is mandatory except:

  • TTL for DNS records (if you decide to leave it empty, the global TTL will take over).
  • IP for DNS records (if not available, node['ipaddress'] will be used).

In order to run a a chroot'ed Bind9 server, set the node[:bind9][:chroot_dir] to the desired chroot path and optionally the node[:bind9][:disclose] attributes.

To use this cookbook with Chef Solo, add "recipe[chef-solo-search]" to your run list, and create the data bags either manually or using the knife-solo_data_bag gem.

Examples

To create and view the data bags:

$ knife data bag create zones
$ knife data bag create zones exampleDOTcom
$ ... do something ...
$ knife data bag from file zones exampleDOTcom.json

An example of a data bag with mail records and specific IPs.

{
  "id": "exampleDOTcom",
  "domain": "example.com",
  "type": "master",
  "allow_transfer": [ "8.8.4.4",
                      "8.8.8.8" ],
  "zone_info": {
    "global_ttl": 300,
    "soa": "ns.example.com.",
    "contact": "user.example.com.",
    "nameserver": [ "ns.example.com.",
                    "ns.example.net." ],
    "mail_exchange": [{
      "host": "ASPMX.L.GOOGLE.COM.",
      "priority": 10
    },{
      "host": "ALT1.ASPMX.L.GOOGLE.COM.",
      "priority": 20
    },{
      "host": "ALT2.ASPMX.L.GOOGLE.COM.",
      "priority": 20
    },{
      "host": "ASPMX2.GOOGLEMAIL.COM.",
      "priority": 30
    },{
      "host": "ASPMX3.GOOGLEMAIL.COM.",
      "priority": 30
    },{
      "host": "ASPMX4.GOOGLEMAIL.COM.",
      "priority": 30
    },{
      "host": "ASPMX5.GOOGLEMAIL.COM.",
      "priority": 30
    }],
    "records": [{
      "name": "www",
      "type": "A",
      "ip": "127.0.0.1"
    },{
      "name": "img",
      "ttl": 30,
      "type": "A",
      "ip": "127.0.0.1"
    },{
      "name": "mail",
      "type": "CNAME",
      "ip": "ghs.google.com."
    }]
  }
}

An example of a data bag with mail records and specific IPs.

{
  "id": "exampleDOTcom",
  "domain": "example.com",
  "type": "master",
  "allow_transfer": [],
  "zone_info": {
    "global_ttl": 300,
    "soa": "ns.example.com.",
    "contact": "user.example.com.",
    "nameserver": [ "ns.example.com.",
                    "ns.example.net." ],
    "mail_exchange": [],
    "records": [{
      "name": "www",
      "type": "A"
     },{
      "name": "img",
      "ttl": 30,
      "type": "A"
    },{
      "name": "mail",
      "type": "CNAME"
    }]
  }
}

Contributions

This cookbook is derived from Mike Adolphs's, and specific contributions can be tracked via git.

Dependent cookbooks

This cookbook has no specified dependencies.

Contingent cookbooks

There are no cookbooks that are contingent upon this one.

Collaborator Number Metric
            

0.4.1 failed this metric

Failure: Cookbook has 0 collaborators. A cookbook must have at least 2 collaborators to pass this metric.

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Failure: To pass this metric, your cookbook metadata must include a source url, the source url must be in the form of https://github.com/user/repo, and your repo must contain a CONTRIBUTING.md file

Foodcritic Metric
            

0.4.1 failed this metric

FC034: Unused template variables: bind9-chroot/templates/default/zonefile.erb:1
FC043: Prefer new notification syntax: bind9-chroot/recipes/default.rb:145
FC064: Ensure issues_url is set in metadata: bind9-chroot/metadata.rb:1
FC065: Ensure source_url is set in metadata: bind9-chroot/metadata.rb:1
FC066: Ensure chef_version is set in metadata: bind9-chroot/metadata.rb:1
FC069: Ensure standardized license defined in metadata: bind9-chroot/metadata.rb:1
Run with Foodcritic Version 11.1.0 with tags metadata,correctness ~FC031 ~FC045 and failure tags any

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