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lxc resource

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Use the lxc Chef InSpec audit resource to test the information about Linux containers. LXC is a command-line client for LXD that manages your LXD instances (containers and virtual machines). The tests are against the container’s information obtained on lxc info [container-name]. lxc resource allows the testing if the container exists or is in running status.

Availability

Installation

This resource is distributed with Chef InSpec and is automatically available for use.

Syntax

An lxc Chef InSpec audit resource allows testing if the container exists or is in running status.

  describe lxc("linux-container-name") do
    it { should exist }
    it { should be_running }
  end

Matchers

For a full list of available matchers, please visit our matchers page.

The specific matchers of this resource are: exist and be_running.

exist

The exist matcher is used to specify if the container exists:

  it { should exist }

be_running

The be_running matcher is used to check if the container is running:

  it { should be_running }

Properties

name

Returns the instance name.

its("name") { should eq "ubuntu-container" }

status

Returns the instance status.

  its("status") { should cmp "Running" }

type

Returns the instance type (for example, container).

  its("type") { should eq "container" }

architecture

Returns the architecture of the instance.

  its("architecture") { should eq "x86_64" }

pid

Returns the pid of the instance.

  its("pid") { should eq 1378 }

created_at

Returns the creation date of the instance.

  its("created_at") { should eq "2022/08/16 12:07 UTC" }

last_used_at

Returns the last used date of the instance.

  its("last_used_at") { should eq "2022/08/17 05:06 UTC" }

resources

Returns the resource information of the instance.

  its("resources") { should include "Disk usage" }

Examples

The following examples show how to use this Chef InSpec audit resource.

Ensures container exists

The below test passes if the container immense-phoenix exists as part of the LXD instances.

  describe lxc("immense-phoenix") do
    it { should exist }
  end

Ensures container is in running status

The below test passes if the container delicate-sloth exists as part of the LXD instances and the status is running.

  describe lxc("delicate-sloth") do
    it { should be_running }
  end

Ensures container exists, is in running status, and verifies the different container properties

The below test passes if the container ubuntu-container exists, is running, and the properties value matches against the desired value.

  describe lxc("ubuntu-container") do
    it { should exist }
    it { should be_running }
    its("name") { should eq "ubuntu-container" }
    its("status") { should cmp "Running" }
    its("type") { should eq "container" }
    its("architecture") { should eq "x86_64" }
    its("pid") { should eq 1378 }
    its("created_at") { should eq "2022/08/16 12:07 UTC" }
    its("last_used_at") { should eq "2022/08/17 05:06 UTC" }
    its("resources") { should include "Disk usage" }
  end

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