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Chef::Provider::Mount::Mount

Attributes

real_device[RW]

Public Class Methods

new(new_resource, run_context) click to toggle source
# File lib/chef/provider/mount/mount.rb, line 29
def initialize(new_resource, run_context)
  super
  @real_device = nil
end

Public Instance Methods

device_should_exist?() click to toggle source
# File lib/chef/provider/mount/mount.rb, line 193
def device_should_exist?
  ( @new_resource.device != "none" ) &&
    ( not network_device? ) &&
    ( not ] tmpfs fuse ].include? @new_resource.fstype )
end
disable_fs() click to toggle source
# File lib/chef/provider/mount/mount.rb, line 166
def disable_fs
  if @current_resource.enabled
    contents = []

    found = false
    ::File.readlines("/etc/fstab").reverse_each do |line|
      if !found && line =~ /^#{device_fstab_regex}\s+#{Regexp.escape(@new_resource.mount_point)}/
        found = true
        Chef::Log.debug("#{@new_resource} is removed from fstab")
        next
      else
        contents << line
      end
    end

    ::File.open("/etc/fstab", "w") do |fstab|
      contents.reverse_each { |line| fstab.puts line}
    end
  else
    Chef::Log.debug("#{@new_resource} is not enabled - nothing to do")
  end
end
enable_fs() click to toggle source
# File lib/chef/provider/mount/mount.rb, line 149
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/fstab", "a") do |fstab|
    fstab.puts("#{device_fstab} #{@new_resource.mount_point} #{@new_resource.fstype} #{@new_resource.options.nil? ? "defaults" : @new_resource.options.join(",")} #{@new_resource.dump} #{@new_resource.pass}")
    Chef::Log.debug("#{@new_resource} is enabled at #{@new_resource.mount_point}")
  end
end
enabled?() click to toggle source
# File lib/chef/provider/mount/mount.rb, line 53
def enabled?
  # Check to see if there is a entry in /etc/fstab. Last entry for a volume wins.
  enabled = false
  ::File.foreach("/etc/fstab") do |line|
    case line
    when /^[#\s]/
      next
    when /^#{device_fstab_regex}\s+#{Regexp.escape(@new_resource.mount_point)}\s+(\S+)\s+(\S+)\s+(\S+)\s+(\S+)/
      enabled = true
      @current_resource.fstype($1)
      @current_resource.options($2)
      @current_resource.dump($3.to_i)
      @current_resource.pass($4.to_i)
      Chef::Log.debug("Found mount #{device_fstab} to #{@new_resource.mount_point} in /etc/fstab")
      next
    when /^[\/\w]+\s+#{Regexp.escape(@new_resource.mount_point)}\s+/
      enabled = false
      Chef::Log.debug("Found conflicting mount point #{@new_resource.mount_point} in /etc/fstab")
    end
  end
  @current_resource.enabled(enabled)
end
load_current_resource() click to toggle source
# File lib/chef/provider/mount/mount.rb, line 35
def load_current_resource
  @current_resource = Chef::Resource::Mount.new(@new_resource.name)
  @current_resource.mount_point(@new_resource.mount_point)
  @current_resource.device(@new_resource.device)
  mounted?
  enabled?
end
mount_fs() click to toggle source
# File lib/chef/provider/mount/mount.rb, line 101
def mount_fs
  unless @current_resource.mounted
    mountable?
    command = "mount -t #{@new_resource.fstype}"
    command << " -o #{@new_resource.options.join(',')}" unless @new_resource.options.nil? || @new_resource.options.empty?
    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
mountable?() click to toggle source
# File lib/chef/provider/mount/mount.rb, line 43
def mountable?
  # only check for existence of non-remote devices
  if (device_should_exist? && !::File.exists?(device_real) )
    raise Chef::Exceptions::Mount, "Device #{@new_resource.device} does not exist"
  elsif( @new_resource.mount_point != "none" && !::File.exists?(@new_resource.mount_point) )
    raise Chef::Exceptions::Mount, "Mount point #{@new_resource.mount_point} does not exist"
  end
  return true
end
mounted?() click to toggle source
# File lib/chef/provider/mount/mount.rb, line 76
def mounted?
  mounted = false

  # "mount" outputs the mount points as real paths. Convert
  # the mount_point of the resource to a real path in case it
  # contains symlinks in its parents dirs.
  real_mount_point = if ::File.exists? @new_resource.mount_point
                       ::File.realpath(@new_resource.mount_point)
                     else
                       @new_resource.mount_point
                     end

  shell_out!("mount").stdout.each_line do |line|
    case line
    when /^#{device_mount_regex}\s+on\s+#{Regexp.escape(real_mount_point)}/
      mounted = true
      Chef::Log.debug("Special device #{device_logstring} mounted as #{real_mount_point}")
    when /^([\/\w])+\son\s#{Regexp.escape(real_mount_point)}\s+/
      mounted = false
      Chef::Log.debug("Special device #{$~[1]} mounted as #{real_mount_point}")
    end
  end
  @current_resource.mounted(mounted)
end
network_device?() click to toggle source
# File lib/chef/provider/mount/mount.rb, line 189
def network_device?
  @new_resource.device =~ /:/ || @new_resource.device =~ /\/\//
end
remount_command() click to toggle source
# File lib/chef/provider/mount/mount.rb, line 131
def remount_command
   return "mount -o remount #{@new_resource.mount_point}"
end
remount_fs() click to toggle source
# File lib/chef/provider/mount/mount.rb, line 135
def remount_fs
  if @current_resource.mounted and @new_resource.supports[:remount]
    shell_out!(remount_command)
    @new_resource.updated_by_last_action(true)
    Chef::Log.debug("#{@new_resource} is remounted at #{@new_resource.mount_point}")
  elsif @current_resource.mounted
    umount_fs
    sleep 1
    mount_fs
  else
    Chef::Log.debug("#{@new_resource} is not mounted at #{@new_resource.mount_point} - nothing to do")
  end
end
umount_fs() click to toggle source
# File lib/chef/provider/mount/mount.rb, line 122
def umount_fs
  if @current_resource.mounted
    shell_out!("umount #{@new_resource.mount_point}")
    Chef::Log.debug("#{@new_resource} is no longer mounted at #{@new_resource.mount_point}")
  else
    Chef::Log.debug("#{@new_resource} is not mounted at #{@new_resource.mount_point}")
  end
end

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