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kernel-modules (4) Versions 2.0.3

Manage kernel modules on linux

Berkshelf/Librarian
Policyfile
Knife
cookbook 'kernel-modules', '~> 2.0.3'
cookbook 'kernel-modules', '~> 2.0.3', :supermarket
knife cookbook site install kernel-modules
knife cookbook site download kernel-modules
README
Dependencies
Quality 67%

kernel-modules Cookbook

Cookbook Version Build Status

Configure and Load kernel modules.

Requirements:

Platforms

  • Centos 6.x/7.x
  • Rhel 6.x/7.x

Chef

  • Chef version: >= 12.5.1

Attributes

kernel_modules

  • node['kernel_modules']['packages'] - used to make the packages requirements
  • node['kernel_modules']['modules_load.d'] - used to define the modules_load.d directory
  • node['kernel_modules']['modprobe.d'] - use to define the modprobe.d directory
  • node['kernel_modules']['modules'] - use to define the list of modules you want to load/configure

Usage

Using this cookbook will load and configure every module in the attribute: node['kernel_modules']['modules'].

For instance: ``` ruby $ cat roles/modules.rb name 'Load modules' description 'Example for using kernel modules'

run_list( 'kernel-modules' )

default_attributes( kernel_modules: modules: { nfs: { options: [ 'enable_ino64=1', 'nfs4_disable_idmapping=0', ], alias: 'nfs4', action: [:load], onboot: true, }, }, ) ```

Providers & Resources

kernel_module

This provider allows to configure and load a kernel module

Actions

Action Description
configure Add the module at boot time (if needed) and set the module's modprobe configuration file
load Load the module once it is configured (When used the configure action will be implicitly launched before)
unload Unload the module
remove Remove the modprobe configuration file and remove the module at boot time

Property

Name Description Default Type
module_name module name name String
onboot load the module at boot time true Boolean
reload allow the module to be reloaded if module configuration changes false Boolean
force_reload allow the module to be unloaded even if the module is used[1]. false Boolean
alias set the modprobe command alias nil Array/String
options set the modprobe command options nil Array/String/NilClass
install set the modprobe command install nil String/NilClass
remove set the modprobe command remove nil String/NilClass
blacklist set the modprobe command blacklist nil Boolean/NilClass
check_availability before loading or configuring, ensure the module is available on disk for the running kernel false Boolean

For instance: ``` ruby

To load and configure "mlx4_en"

kernel_module 'mlx4_en' do onboot true # Make the loading persistent reload false # We don't want to reload our network module options %w(inline_thold=120 udp_rss=1) # Specific loading options check_availability true # Only load and configure when module is present end

To blacklist a module

kernel_module 'pcspkr' do onboot true blacklist true end ```

Contributing

  1. Fork the repository on Github
  2. Create a named feature branch (like add_component_x)
  3. Write your change
  4. Write tests for your change (if applicable)
  5. Run the tests, ensuring they all pass
  6. Submit a Pull Request using Github

License and Authors

Authors: Jeremy Mauro (j.mauro@criteo.com)

Copyright 2014-2015, Criteo.

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.

[1]Note: it has no effect unless CONFIG_MODULE_FORCE_UNLOAD was set when the kernel was compiled

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