Class: Chef::Provider::Mdadm

Inherits:
Chef::Provider show all
Includes:
Mixin::ShellOut
Defined in:
lib/chef/provider/mdadm.rb

Constant Summary

Constants included from Mixin::ShellOut

Mixin::ShellOut::DEPRECATED_OPTIONS

Instance Attribute Summary

Attributes inherited from Chef::Provider

#action, #current_resource, #new_resource, #run_context

Instance Method Summary collapse

Methods included from Mixin::ShellOut

#run_command_compatible_options, #shell_out, #shell_out!

Methods inherited from Chef::Provider

#action_nothing, #cleanup_after_converge, #cookbook_name, #define_resource_requirements, #events, #initialize, #node, #process_resource_requirements, #requirements, #resource_collection, #run_action, #set_updated_status, #whyrun_mode?

Methods included from DSL::Recipe

#method_missing

Methods included from Mixin::ConvertToClassName

#convert_to_class_name, #convert_to_snake_case, #filename_to_qualified_string, #snake_case_basename

Constructor Details

This class inherits a constructor from Chef::Provider

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class Chef::DSL::Recipe

Instance Method Details

#action_assemble ⇒ Object 



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# File 'lib/chef/provider/mdadm.rb', line 64

def action_assemble
  unless @current_resource.exists
    converge_by("assemble RAID device #{new_resource.raid_device}") do 
      command = "yes | mdadm --assemble #{@new_resource.raid_device} #{@new_resource.devices.join(" ")}"
      Chef::Log.debug("#{@new_resource} mdadm command: #{command}")
      shell_out!(command)
      Chef::Log.info("#{@new_resource} assembled raid device (#{@new_resource.raid_device})")
    end
  else
    Chef::Log.debug("#{@new_resource} raid device already exists, skipping assemble (#{@new_resource.raid_device})")
  end
end

#action_create ⇒ Object 



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# File 'lib/chef/provider/mdadm.rb', line 48

def action_create
  unless @current_resource.exists
    converge_by("create RAID device #{new_resource.raid_device}") do 
      command = "yes | mdadm --create #{@new_resource.raid_device} --chunk=#{@new_resource.chunk} --level #{@new_resource.level}"
      command << " --metadata=#{@new_resource.metadata}"
      command << " --bitmap=#{@new_resource.bitmap}" if @new_resource.bitmap
      command << " --raid-devices #{@new_resource.devices.length} #{@new_resource.devices.join(" ")}"
      Chef::Log.debug("#{@new_resource} mdadm command: #{command}")
      shell_out!(command)
      Chef::Log.info("#{@new_resource} created raid device (#{@new_resource.raid_device})")
    end
  else
    Chef::Log.debug("#{@new_resource} raid device already exists, skipping create (#{@new_resource.raid_device})")
  end
end

#action_stop ⇒ Object 



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# File 'lib/chef/provider/mdadm.rb', line 77

def action_stop
  if @current_resource.exists
    converge_by("stop RAID device #{new_resource.raid_device}") do 
      command = "yes | mdadm --stop #{@new_resource.raid_device}"
      Chef::Log.debug("#{@new_resource} mdadm command: #{command}")
      shell_out!(command)
      Chef::Log.info("#{@new_resource} stopped raid device (#{@new_resource.raid_device})")
    end
  else
    Chef::Log.debug("#{@new_resource} raid device doesn't exist (#{@new_resource.raid_device}) - not stopping")
  end
end

#load_current_resource ⇒ Object 



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# File 'lib/chef/provider/mdadm.rb', line 37

def load_current_resource
  @current_resource = Chef::Resource::Mdadm.new(@new_resource.name)
  @current_resource.raid_device(@new_resource.raid_device)
  Chef::Log.debug("#{@new_resource} checking for software raid device #{@current_resource.raid_device}")

  device_not_found = 4
  mdadm = shell_out!("mdadm --detail --test #{@new_resource.raid_device}", :returns => [0,device_not_found])
  exists = (mdadm.status == 0)
  @current_resource.exists(exists)
end

#popen4 ⇒ Object

Raises:

  • (Exception) 


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# File 'lib/chef/provider/mdadm.rb', line 29

def popen4
  raise Exception, "deprecated"
end

#whyrun_supported? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/chef/provider/mdadm.rb', line 33

def whyrun_supported?
  true
end