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101 lines
2.7 KiB
Text
101 lines
2.7 KiB
Text
---
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title: About the os_env Resource
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platform: os
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---
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# os_env
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Use the `os_env` InSpec audit resource to test the environment variables for the platform on which the system is running.
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<br>
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## Availability
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### Installation
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This resource is distributed along with InSpec itself. You can use it automatically.
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### Version
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This resource first became available in v1.0.0 of InSpec.
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## Syntax
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A `os_env` resource block declares an environment variable, and then declares its value:
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describe os_env('VARIABLE') do
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its('property') { should eq 1 }
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end
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where
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* `('VARIABLE')` must specify an environment variable, such as `PATH`
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* `matcher` is a valid matcher for this resource
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<br>
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## Examples
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The following examples show how to use this InSpec audit resource.
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### Test the PATH environment variable
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describe os_env('PATH') do
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its('split') { should_not include('') }
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its('split') { should_not include('.') }
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end
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### Test the Path environment variable by specifying the target Environment (Windows)
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On windows a User's environment variable may obscure the local machine (system) environment variable. The correct environment variable may be tested as follows:
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describe os_env('PATH', 'target') do
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its('split') { should_not include('') }
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its('split') { should_not include('.') }
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end
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where
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* `'target'` may be either `system` or `user`
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### Test Habitat environment variables
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Habitat uses the `os_env` resource to test environment variables. The environment variables are first defined in a whitespace array, after which each environment variable is tested:
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hab_env_vars = %w(HAB_AUTH_TOKEN
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HAB_CACHE_KEY_PATH
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HAB_DEPOT_URL
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HAB_ORG
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HAB_ORIGIN
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HAB_ORIGIN_KEYS
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HAB_RING
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HAB_RING_KEY
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HAB_STUDIOS_HOME
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HAB_STUDIO_ROOT
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HAB_USER)
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hab_env_vars.each do |e|
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describe os_env(e) do
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its('content') { should eq nil }
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end
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end
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<br>
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## Matchers
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For a full list of available matchers, please visit our [matchers page](https://www.inspec.io/docs/reference/matchers/).
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### content
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The `content` matcher return the value of the environment variable:
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its('content') { should eq '/usr/local/bin:/usr/local/sbin:/usr/sbin:/usr/bin:/sbin' }
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### split
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The `split` matcher splits the value of the environment variable with the `:` deliminator (use the `;` deliminator if Windows):
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its('split') { should include ('/usr/bin') }
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Note: the `split` matcher returns an array including `""` for cases where there is a trailing colon (`:`), such as `dir1::dir2:`
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