Module: OmfRc::Util::Mod

Includes:
Cocaine, Hashie, ResourceProxyDSL
Included in:
ResourceProxy::Node, ResourceProxy::Wlan
Defined in:
lib/omf_rc/util/mod.rb

Overview

Manage Linux modules

Constant Summary

Constants included from ResourceProxyDSL

ResourceProxyDSL::DEFAULT_PROP_ACCESS, ResourceProxyDSL::PROXY_DIR, ResourceProxyDSL::UTIL_DIR

Instance Method Summary collapse

Methods included from ResourceProxyDSL

#call_hook, #hook_defined?, included

Instance Method Details

#configure_load_module ⇒ Object

Load additional modules

Parameters:

  • value —

    name of the module to load



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# File 'lib/omf_rc/util/mod.rb', line 35

configure :load_module, if: proc { cmd_exists?('modprobe') } do |resource, value|
  raise ArgumentError, "Please provide at least module name" if value.name.nil?

  flags_string = nil

  if !value.flags.nil?
    if value.flags.kind_of?(Hash)
      flags_string = value.flags.keys.map do |k|
        "--#{k} #{value.flags[k]}"
      end.join(" ")
    else
      raise ArgumentError, "Please provide modprobe flags as a hash"
    end
  end

  if value.unload
    c=CommandLine.new("modprobe", "-r :mod_names")
    c.run({ :mod_names => [value.unload].flatten.join(' ') })
  end

  c=CommandLine.new("modprobe", ":flags :mod_name :module_parameters")
  c.run({ 
                  :mod_name => value.name.to_s,
                  :flags => flags_string,
                  :module_parameters => value.mod_params.to_s  })

  "#{value.name} loaded"
end

#request_modules ⇒ Object 



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# File 'lib/omf_rc/util/mod.rb', line 21

request :modules, if: proc { cmd_exists?('lsmod') } do
  CommandLine.new('lsmod').run.split("\n").map do |v|
    v.match(/^(\w+).+$/) && $1
  end.compact.tap { |ary| ary.shift }
end