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hostsfile (22) Versions 3.0.0

Provides an resource for managing the /etc/hosts file

Berkshelf/Librarian
Policyfile
Knife
cookbook 'hostsfile', '= 3.0.0'
cookbook 'hostsfile', '= 3.0.0', :supermarket
knife cookbook site install hostsfile
knife cookbook site download hostsfile
README
Dependencies
Changelog
Quality 78%

hostsfile cookbook

Build Status

hostsfile provides a resource for managing your /etc/hosts (or Windows equivalent) file using Chef.

Requirements

  • Chef 11 or higher

Attributes

Attribute Description Example Default
ip_address (name attribute) the IP address for the entry 1.2.3.4
hostname (required) the hostname associated with the entry example.com
unique remove any existing entries that have the same hostname true false
aliases array of aliases for the entry ['www.example.com'] []
comment a comment to append to the end of the entry 'interal DNS server' nil
priority the relative position of this entry 20 (varies, see Priorities section)

Actions

Please note: In v0.1.2, specifying a hostname or alias that existed in another automatically removed that hostname from the other entry before. In v2.1.0, the unique option was added to give the user case-by-case control of this behavior. For example, given an /etc/hosts file that contains:

1.2.3.4          example.com www.example.com

when the Chef recipe below is converged:

hostsfile_entry '2.3.4.5' do
  hostname  'www.example.com'
  unique    true
end

then the /etc/hosts file will look like this:

1.2.3.4          example.com
2.3.4.5          www.example.com

Not specifying the unique parameter will result in duplicate hostsfile entries.

create

Creates a new hosts file entry. If an entry already exists, it will be overwritten by this one.

hostsfile_entry '1.2.3.4' do
  hostname  'example.com'
  action    :create
end

This will create an entry like this:

1.2.3.4          example.com

create_if_missing

Create a new hosts file entry, only if one does not already exist for the given IP address. If one exists, this does nothing.

hostsfile_entry '1.2.3.4' do
  hostname  'example.com'
  action    :create_if_missing
end

append

Append a hostname or alias to an existing record. If the given IP address doesn't already exist in the hostsfile, this method behaves the same as create. Otherwise, it will append the additional hostname and aliases to the existing entry.

1.2.3.4         example.com www.example.com # Created by Chef
hostsfile_entry '1.2.3.4' do
  hostname  'www2.example.com'
  aliases   ['foo.com', 'foobar.com']
  comment   'Append by Recipe X'
  action    :append
end

would yield:

1.2.3.4         example.com www.example.com www2.example.com foo.com foobar.com # Created by Chef, Appended by Recipe X

update

Updates the given hosts file entry. Does nothing if the entry does not exist.

hostsfile_entry '1.2.3.4' do
  hostname  'example.com'
  comment   'Update by Chef'
  action    :update
end

This will create an entry like this:

1.2.3.4           example # Updated by Chef

remove

Removes an entry from the hosts file. Does nothing if the entry does not exist.

hostsfile_entry '1.2.3.4' do
  action    :remove
end

This will remove the entry for 1.2.3.4.

Usage

If you're using Berkshelf, just add hostsfile to your Berksfile:

cookbook 'hostsfile'

Otherwise, install the cookbook from the community site:

knife cookbook site install hostsfile

Have any other cookbooks depend on hostsfile by editing editing the metadata.rb for your cookbook.

# metadata.rb
depends 'hostsfile'

Note that you can specify a custom path to your hosts file in the ['hostsfile']['path'] node attribute. Otherwise, it defaults to sensible paths depending on your OS.

Testing

If you are using ChefSpec to unit test a cookbook that implements the hostsfile_entry resource, this cookbook packages customer matchers that you can use in your unit tests:

  • append_hostsfile_entry
  • create_hostsfile_entry
  • create_hostsfile_entry_if_missing
  • remove_hostsfile_entry
  • update_hostsfile_entry

For example:

it 'creates a hostsfile entry for the DNS server' do
  expect(chef_run).to create_hostsfile_entry('1.2.3.4')
    .with_hostname('dns.example.com')
end

Priority

Priority is a relatively new addition to the cookbook. It gives you the ability to (somewhat) specify the relative order of entries. By default, the priority is calculated for you as follows:

  1. 127.0.0.1
  2. ::1
  3. 127.0.0.0/8
  4. IPV4
  5. IPV6
  6. default

However, you can override it using the priority option.

Contributing

  1. Fork the project
  2. Create a feature branch corresponding to you change
  3. Commit and test thoroughly
  4. Create a Pull Request on github

License & Authors

Copyright 2012-2013, Seth Vargo
Copyright 2012, CustomInk, LLC

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.

Dependent cookbooks

This cookbook has no specified dependencies.

Contingent cookbooks

arcgis-enterprise Applicable Versions
archlinux Applicable Versions
baseserver Applicable Versions
chef_dnsmasq Applicable Versions
common_linux Applicable Versions
corosync Applicable Versions
dirsrv Applicable Versions
foreman Applicable Versions
fqdn Applicable Versions
ganeti Applicable Versions
gemirro Applicable Versions
gotcms Applicable Versions
hostname Applicable Versions
hostname-chef13 Applicable Versions
hostnames Applicable Versions
kagent Applicable Versions
letsencrypt-boulder-server Applicable Versions
lxmx_hostname Applicable Versions
opennms Applicable Versions
pacemaker Applicable Versions
postgresql-cluster Applicable Versions
riak-cluster Applicable Versions
singularity Applicable Versions
stackstorm Applicable Versions
supermarket-omnibus-cookbook Applicable Versions
system Applicable Versions

hostsfile Cookbook CHANGELOG

This file is used to list changes made in each version of the hostsfile cookbook.

v3.0.0 (2017-08-22)

  • Converted the LWRP to a custom resource which increases the required Chef release to 12.7
  • Namespaced the helper libraries under the HostsFile module to prevent method collisions with other resources or the chef-client itself

v2.4.6 (2017-08-15)

  • use openssl for FIPS compatibility
  • Expand priority documentation in README
  • Add ::1 loopback to test cases and priority settings

v2.4.5 (2014-06-24)

  • Fix notifications and why-run mode

v2.4.4 (2014-02-25)

  • Bump Berkshelf version
  • Remove scope pieces from IPv6 addresses

v2.4.3 (2014-02-01)

  • Package custom ChefSpec matchers
  • Update testing harness
  • Avoid using Chef::Application.fatal!
  • Use Chef::Resource::File for atomic updates

v2.4.2

  • Fix Travis CI integration
  • Remove newline characters
  • Allow specifying a custom hostsfile path

v2.4.1

  • Force a new upload to the community site

v2.4.0

  • Convert everything to Ruby 1.9 syntax because I'm tired of people removing trailing commas despite the massive warning in the README: (#29, #30, #32, #33, #34, #35, #36, #38, #39)
  • Update to the latest and greatest testing gems and practices
  • Remove strainer in favor of a purer solution
  • Update .gitignore to ignore additional files
  • Add more platforms to the .kitchen.yml
  • Use converge_by and support whyruny mode

v2.0.0

  • Completely manage the hostsfile, ensuring no duplicate entries

v1.0.2

  • Support Windows (thanks @igantt-daptiv)
  • Specs + Travis support
  • Throw fatal error if hostsfile does not exist (@jkerzner)
  • Write priorities in hostsfile so they are read on subsequent Chef runs

v0.2.0

  • Updated README to require Ruby 1.9
  • Allow hypens in hostnames
  • Ensure newline at end of file
  • Allow priority ordering in hostsfile

v0.1.1

  • Fixed issue #1
  • Better unique object filtering
  • Better handing of aliases

v0.1.0

  • Initial release

Collaborator Number Metric
            

3.0.0 passed this metric

Contributing File Metric
            

3.0.0 failed this metric

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

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3.0.0 passed this metric

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3.0.0 passed this metric

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3.0.0 passed this metric

Publish Metric
            

3.0.0 passed this metric

Supported Platforms Metric
            

3.0.0 passed this metric

Testing File Metric
            

3.0.0 failed this metric

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 TESTING.md file

Version Tag Metric
            

3.0.0 passed this metric