mirror of
https://github.com/inspec/inspec
synced 2024-11-23 13:13:22 +00:00
88 lines
2.4 KiB
Text
88 lines
2.4 KiB
Text
---
|
|
title: About the etc_hosts Resource
|
|
platform: linux
|
|
---
|
|
|
|
# etc_hosts
|
|
|
|
Use the `etc_hosts` InSpec audit resource to test rules set to match IP addresses with hostnames.
|
|
|
|
<br>
|
|
|
|
## Availability
|
|
|
|
### Installation
|
|
|
|
This resource is distributed along with InSpec itself. You can use it automatically.
|
|
|
|
### Version
|
|
|
|
This resource first became available in v1.37.6 of InSpec.
|
|
|
|
## Syntax
|
|
|
|
An etc/hosts rule specifies an IP address and what its hostname is along with optional aliases it can have.
|
|
|
|
<br>
|
|
|
|
## Syntax
|
|
|
|
Use the `.where` clause to match a property to one or more rules in the hosts file:
|
|
|
|
describe etc_hosts.where { ip_address == 'value' } do
|
|
its('primary_name') { should cmp 'hostname' }
|
|
its('all_host_names') { should cmp 'list' }
|
|
end
|
|
|
|
Use the optional resource parameter to give an alternative path to the hosts file:
|
|
|
|
describe etc_hosts('path/to/hosts').where { ip_address == 'value' } do
|
|
its('primary_name') { should cmp 'hostname' }
|
|
its('all_host_names') { should cmp 'list' }
|
|
end
|
|
|
|
where
|
|
|
|
* `ip_address` is the ip address of the hostname in either ipv4 or ipv6 format.
|
|
* `primary_name` is the name associated with the ip address.
|
|
* `all_host_names` is a list including the primary_name as the first entry followed by any alias names the host has.
|
|
|
|
<br>
|
|
|
|
## Properties
|
|
|
|
'ip_address', 'primary_name', 'all_host_names'
|
|
|
|
<br>
|
|
|
|
## Property Examples
|
|
|
|
### ip_address
|
|
|
|
`ip_address` returns a string array of ip addresses specified in the etc/hosts file.
|
|
|
|
describe etc_hosts.where { primary_name == 'localhost' } do
|
|
its('ip_address') { should cmp '127.0.1.154' }
|
|
end
|
|
|
|
### primary_name
|
|
|
|
`primary_name` returns a string array of primary_names specified in the etc/hosts file.
|
|
|
|
describe etc_hosts.where { ip_address == '::1' } do
|
|
its('primary_name') { should cmp 'localhost' }
|
|
end
|
|
|
|
### all\_host_names
|
|
|
|
`all_host_names` returns a two dimensional string array where each entry has the primary_name first followed by any aliases.
|
|
|
|
describe etc_hosts.where { ip_address == '127.0.1.154' } do
|
|
its('all_host_names') { should eq [['localhost', 'localhost.localdomain', 'localhost4', 'localhost4.localdomain4'], ['localhost', 'localhost.localdomain', 'localhost6', 'localhost6.localdomain6']] }
|
|
end
|
|
|
|
<br>
|
|
|
|
## Matchers
|
|
|
|
For a full list of available matchers, please visit our [matchers page](https://www.inspec.io/docs/reference/matchers/).
|