Class: Chef::Provider::Mount::Aix

Inherits:
Mount show all
Defined in:
lib/chef/provider/mount/aix.rb

Instance Attribute Summary

Attributes inherited from Mount

#real_device

Attributes inherited from Chef::Provider::Mount

#unmount_retries

Attributes inherited from Chef::Provider

#action, #current_resource, #logger, #new_resource, #recipe_name, #run_context

Instance Method Summary collapse

Methods inherited from Mount

#default_mount_options, #device_should_exist?, #load_current_resource, #mountable?, #network_device?, #remount_fs, #umount_fs

Methods inherited from Chef::Provider::Mount

#action_disable, #action_enable, #action_mount, #action_remount, #action_umount, #device_unchanged?, #load_current_resource, #remount_fs, #umount_fs

Methods included from Mixin::ShellOut

apply_default_env, maybe_add_timeout, #shell_out, #shell_out!

Methods inherited from Chef::Provider

action, #action_nothing, #check_resource_semantics!, #cleanup_after_converge, #compile_and_converge_action, #converge_by, #converge_if_changed, #cookbook_name, #define_resource_requirements, #description, #events, include_resource_dsl?, include_resource_dsl_module, #introduced, #load_current_resource, #node, #process_resource_requirements, provides, provides?, #requirements, #resource_collection, #resource_updated?, #run_action, #set_updated_status, supports?, use_inline_resources, #whyrun_mode?, #whyrun_supported?

Methods included from Mixin::Provides

#provided_as, #provides, #provides?

Methods included from Mixin::DescendantsTracker

#descendants, descendants, direct_descendants, #direct_descendants, find_descendants_by_name, #find_descendants_by_name, #inherited, store_inherited

Methods included from Mixin::LazyModuleInclude

#descendants, #include, #included

Methods included from Mixin::PowershellOut

#powershell_out, #powershell_out!

Methods included from Mixin::WindowsArchitectureHelper

#assert_valid_windows_architecture!, #disable_wow64_file_redirection, #forced_32bit_override_required?, #is_i386_process_on_x86_64_windows?, #node_supports_windows_architecture?, #node_windows_architecture, #restore_wow64_file_redirection, #valid_windows_architecture?, #with_os_architecture, #wow64_architecture_override_required?, #wow64_directory

Methods included from Mixin::PowershellExec

#powershell_exec

Methods included from DSL::Powershell

#ps_credential

Methods included from DSL::RegistryHelper

#registry_data_exists?, #registry_get_subkeys, #registry_get_values, #registry_has_subkeys?, #registry_key_exists?, #registry_value_exists?

Methods included from DSL::DataQuery

#data_bag, #data_bag_item, #search, #tagged?

Methods included from EncryptedDataBagItem::CheckEncrypted

#encrypted?

Methods included from DSL::PlatformIntrospection

#older_than_win_2012_or_8?, #platform?, #platform_family?, #value_for_platform, #value_for_platform_family

Methods included from Mixin::NotifyingBlock

#notifying_block, #subcontext_block

Methods included from DSL::DeclareResource

#build_resource, #declare_resource, #delete_resource, #delete_resource!, #edit_resource, #edit_resource!, #find_resource, #find_resource!, #resources, #with_run_context

Constructor Details

#initialize(new_resource, run_context) ⇒ Aix

Override for aix specific handling



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# File 'lib/chef/provider/mount/aix.rb', line 27

def initialize(new_resource, run_context)
  super
  # options and fstype are set to "defaults" and "auto" respectively in the Mount Resource class. These options are not valid for AIX, override them.
  if @new_resource.options[0] == "defaults"
    @new_resource.options([])
  end
  if @new_resource.fstype == "auto"
    @new_resource.send(:clear_fstype)
  end
end

Instance Method Details

#disable_fs ⇒ Object 



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# File 'lib/chef/provider/mount/aix.rb', line 193

def disable_fs
  contents = []
  if @current_resource.enabled
    found_device = false
    ::File.open("/etc/filesystems", "r").each_line do |line|
      case line
      when %r{^/.+:\s*$}
        if line =~ /#{Regexp.escape(@new_resource.mount_point)}+:/
          found_device = true
        else
          found_device = false
        end
      end
      unless found_device
        contents << line
      end
    end
    ::File.open("/etc/filesystems", "w") do |fstab|
      contents.each { |line| fstab.puts line }
    end
  else
    logger.trace("#{@new_resource} is not enabled - nothing to do")
  end
end

#enable_fs ⇒ Object 



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# File 'lib/chef/provider/mount/aix.rb', line 155

def enable_fs
  if @current_resource.enabled && mount_options_unchanged?
    logger.trace("#{@new_resource} is already enabled - nothing to do")
    return nil
  end

  if @current_resource.enabled
    # The current options don't match what we have, so
    # disable, then enable.
    disable_fs
  end
  ::File.open("/etc/filesystems", "a") do |fstab|
    fstab.puts("\n\n#{@new_resource.mount_point}:")
    if network_device?
      device_details = device_fstab.split(":")
      fstab.puts("\tdev\t\t= #{device_details[1]}")
      fstab.puts("\tnodename\t\t= #{device_details[0]}")
    else
      fstab.puts("\tdev\t\t= #{device_fstab}")
    end
    fstab.puts("\tvfs\t\t= #{@new_resource.fstype}")
    fstab.puts("\tmount\t\t= false")
    fstab.puts "\toptions\t\t= #{@new_resource.options.join(",")}" unless @new_resource.options.nil? || @new_resource.options.empty?
    logger.trace("#{@new_resource} is enabled at #{@new_resource.mount_point}")
  end
end

#enabled? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/chef/provider/mount/aix.rb', line 38

def enabled?
  # Check to see if there is an entry in /etc/filesystems. Last entry for a volume wins. Using command "lsfs" to fetch entries.
  enabled = false

  regex_arr = device_fstab_regex.split(":")
  if regex_arr.size == 2
    nodename = regex_arr[0]
    devicename = regex_arr[1]
  else
    devicename = regex_arr[0]
  end
  # lsfs o/p = #MountPoint:Device:Vfs:Nodename:Type:Size:Options:AutoMount:Acct
  # search only for current mount point
  shell_out("lsfs", "-c", @new_resource.mount_point).stdout.each_line do |line|
    case line
    when /^#\s/
      next
    when /^#{Regexp.escape(@new_resource.mount_point)}:#{devicename}:(\S+):#{nodename}:(\S+)?:(\S+):(\S+):(\S+):(\S+)/
      # mount point entry with ipv6 address for nodename (ipv6 address use ':')
      enabled = true
      @current_resource.fstype($1)
      @current_resource.options($4)
      logger.trace("Found mount point #{@new_resource.mount_point} :: device_type #{@current_resource.device_type} in /etc/filesystems")
      next
    when /^#{Regexp.escape(@new_resource.mount_point)}:#{nodename}:(\S+)::(\S+)?:(\S+):(\S+):(\S+):(\S+)/
      # mount point entry with hostname or ipv4 address
      enabled = true
      @current_resource.fstype($1)
      @current_resource.options($4)
      @current_resource.device("")
      logger.trace("Found mount point #{@new_resource.mount_point} :: device_type #{@current_resource.device_type} in /etc/filesystems")
      next
    when /^#{Regexp.escape(@new_resource.mount_point)}:(\S+)?:(\S+):#{devicename}:(\S+)?:(\S+):(\S+):(\S+):(\S+)/
      # mount point entry with hostname or ipv4 address
      enabled = true
      @current_resource.fstype($2)
      @current_resource.options($5)
      @current_resource.device(devicename + "/")
      logger.trace("Found mount point #{@new_resource.mount_point} :: device_type #{@current_resource.device_type} in /etc/filesystems")
      next
    when /^#{Regexp.escape(@new_resource.mount_point)}:(.*?):(.*?):(.*?):(.*?):(.*?):(.*?):(.*?):(.*?)/
      if $3.split("=")[0] == "LABEL" || $1.split("=")[0] == "LABEL"
        @current_resource.device_type("label")
      elsif $3.split("=")[0] == "UUID" || $1.split("=")[0] == "UUID"
        @current_resource.device_type("uuid")
      else
        @current_resource.device_type("device")
      end

      if @current_resource.device_type != @new_resource.device_type
        enabled = true
        logger.trace("Found mount point #{@new_resource.mount_point} :: device_type #{@current_resource.device_type} in /etc/filesystems")
      else
        enabled = false
        logger.trace("Found conflicting mount point #{@new_resource.mount_point} in /etc/filesystems")
      end
    end

  end
  @current_resource.enabled(enabled)
end

#mount_fs ⇒ Object 



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# File 'lib/chef/provider/mount/aix.rb', line 121

def mount_fs
  unless @current_resource.mounted
    mountable?
    command = [ "mount", "-v", @new_resource.fstype ]

    unless @new_resource.options.nil? || @new_resource.options.empty?
      command << "-o"
      command << @new_resource.options.join(",")
    end

    command << case @new_resource.device_type
               when :device
                 device_real
               when :label
                 [ "-L", @new_resource.device ]
               when :uuid
                 [ "-U", @new_resource.device ]
               end
    command << @new_resource.mount_point
    shell_out!(command)
    logger.trace("#{@new_resource} is mounted at #{@new_resource.mount_point}")
  else
    logger.trace("#{@new_resource} is already mounted at #{@new_resource.mount_point}")
  end
end

#mount_options_unchanged? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/chef/provider/mount/aix.rb', line 182

def mount_options_unchanged?
  current_resource_options = @current_resource.options.delete_if { |x| x == "rw" }

  @current_resource.device == @new_resource.device &&
    @current_resource.fsck_device == @new_resource.fsck_device &&
    @current_resource.fstype == @new_resource.fstype &&
    current_resource_options == @new_resource.options &&
    @current_resource.dump == @new_resource.dump &&
    @current_resource.pass == @new_resource.pass
end

#mounted? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/chef/provider/mount/aix.rb', line 100

def mounted?
  mounted = false
  shell_out!("mount").stdout.each_line do |line|
    if network_device?
      device_details = device_fstab.split(":")
      search_device = device_details[1]
    else
      search_device = device_fstab_regex
    end
    case line
    when /#{search_device}\s+#{Regexp.escape(@new_resource.mount_point)}/
      mounted = true
      logger.trace("Special device #{device_logstring} mounted as #{@new_resource.mount_point}")
    when %r{^[/\w]+\s+#{Regexp.escape(@new_resource.mount_point)}\s+}
      mounted = false
      logger.trace("Found conflicting mount point #{@new_resource.mount_point} in /etc/fstab")
    end
  end
  @current_resource.mounted(mounted)
end

#remount_command ⇒ Object 



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# File 'lib/chef/provider/mount/aix.rb', line 147

def remount_command
  if !(@new_resource.options.nil? || @new_resource.options.empty?)
    [ "mount", "-o", "remount,#{@new_resource.options.join(",")}", @new_resource.device, @new_resource.mount_point ]
  else
    [ "mount", "-o", "remount", @new_resource.device, @new_resource.mount_point ]
  end
end