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

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

Constant Summary

Constants included from Mixin::ShellOut

Mixin::ShellOut::DEPRECATED_OPTIONS

Instance Attribute Summary

Attributes inherited from Mount

#real_device

Attributes inherited from Chef::Provider::Mount

#unmount_retries

Attributes inherited from Chef::Provider

#action, #cookbook_name, #current_resource, #new_resource, #recipe_name, #run_context

Instance Method Summary collapse

Methods inherited from Mount

#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, #load_current_resource, #mount_options_unchanged?, #remount_fs, #umount_fs, #whyrun_supported?

Methods included from Mixin::Command

#chdir_or_tmpdir, #handle_command_failures, #output_of_command, #run_command, #run_command_and_return_stdout_stderr, #run_command_with_systems_locale

Methods included from Mixin::Command::Windows

#popen4

Methods included from Mixin::Command::Unix

#popen4

Methods inherited from Chef::Provider

#action_nothing, #cleanup_after_converge, #converge_by, #define_resource_requirements, #events, #load_current_resource, #node, node_map, #process_resource_requirements, provides, provides?, #requirements, #resource_collection, #resource_updated?, #run_action, #set_updated_status, supports?, #whyrun_mode?, #whyrun_supported?

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::ShellOut

#run_command_compatible_options, #shell_out, #shell_out!, #shell_out_with_systems_locale, #shell_out_with_systems_locale!

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.clear
  end
  if @new_resource.fstype == "auto"
    @new_resource.fstype = nil
  end
end

Instance Method Details

#disable_fs ⇒ Object 



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# File 'lib/chef/provider/mount/aix.rb', line 151

def disable_fs
  contents = []
  if @current_resource.enabled
    found_device = false
    ::File.open("/etc/filesystems", "r").each_line do |line|
      case line
      when /^\/.+:\s*$/
        if line =~ /#{Regexp.escape(@new_resource.mount_point)}+:/
          found_device = true
        else
          found_device = false
        end
      end
      if !found_device
        contents << line
      end
    end
    ::File.open("/etc/filesystems", "w") do |fstab|
      contents.each { |line| fstab.puts line}
    end
  else
    Chef::Log.debug("#{@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 124

def enable_fs
  if @current_resource.enabled && mount_options_unchanged?
    Chef::Log.debug("#{@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("#{@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?
    Chef::Log.debug("#{@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

  # 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)}:#{device_fstab_regex}:(\S+):(\[\S+\])?:(\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($5)
      Chef::Log.debug("Found mount #{device_fstab} to #{@new_resource.mount_point} in /etc/filesystems")
      next
    when /^#{Regexp.escape(@new_resource.mount_point)}:#{device_fstab_regex}::(\S+):(\S+)?:(\S+)?:(\S+):(\S+):(\S+):(\S+)/
      # mount point entry with hostname or ipv4 address
      enabled = true
      @current_resource.fstype($1)
      @current_resource.options($5)
      Chef::Log.debug("Found mount #{device_fstab} to #{@new_resource.mount_point} in /etc/filesystems")
      next
    when /^#{Regexp.escape(@new_resource.mount_point)}/
      enabled=false
      Chef::Log.debug("Found conflicting mount point #{@new_resource.mount_point} in /etc/filesystems")
    end
  end
  @current_resource.enabled(enabled)
end

#mount_fs ⇒ Object 



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# File 'lib/chef/provider/mount/aix.rb', line 91

def mount_fs
  unless @current_resource.mounted
    mountable?
    command = "mount -v #{@new_resource.fstype}"

    if !(@new_resource.options.nil? || @new_resource.options.empty?)
      command << " -o #{@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)
    Chef::Log.debug("#{@new_resource} is mounted at #{@new_resource.mount_point}")
  else
    Chef::Log.debug("#{@new_resource} is already mounted at #{@new_resource.mount_point}")
  end
end

#mounted? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/chef/provider/mount/aix.rb', line 70

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
      Chef::Log.debug("Special device #{device_logstring} mounted as #{@new_resource.mount_point}")
    when /^[\/\w]+\s+#{Regexp.escape(@new_resource.mount_point)}\s+/
      mounted = false
      Chef::Log.debug("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 116

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