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#
# Author:: Hugo Fichter
# Author:: Lamont Granquist (<lamont@getchef.com>)
# Author:: Joshua Timberman (<joshua@getchef.com>)
# Copyright:: Copyright (c) 2009-2014 Opscode, Inc
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
require 'chef/provider/mount'
require 'chef/log'
require 'chef/mixin/shell_out'
class Chef
class Provider
class Mount
class Solaris < Chef::Provider::Mount
include Chef::Mixin::ShellOut
extend Forwardable
VFSTAB = "/etc/vfstab".freeze
def_delegator :@new_resource, :device, :device
def_delegator :@new_resource, :device_type, :device_type
def_delegator :@new_resource, :dump, :dump
def_delegator :@new_resource, :fstype, :fstype
def_delegator :@new_resource, :mount_point, :mount_point
def_delegator :@new_resource, :options, :options
def_delegator :@new_resource, :pass, :pass
def load_current_resource
self.current_resource = Chef::Resource::Mount.new(new_resource.name)
current_resource.mount_point(mount_point)
current_resource.device(device)
current_resource.device_type(device_type)
current_resource.mounted(mounted?)
( enabled, fstype, options, pass ) = read_vfstab_status
current_resource.enabled(enabled)
current_resource.fstype(fstype)
current_resource.options(options)
current_resource.pass(pass)
end
def define_resource_requirements
if device_type != :device
raise Chef::Exceptions::Mount, "Mount resource can only be of device_type ':device' on Solaris"
end
requirements.assert(:mount, :remount) do |a|
a.assertion { !device_should_exist? || ::File.exist?(device) }
a.failure_message(Chef::Exceptions::Mount, "Device #{device} does not exist")
a.whyrun("Assuming device #{device} would have been created")
end
requirements.assert(:mount, :remount) do |a|
a.assertion { ::File.exist?(mount_point) }
a.failure_message(Chef::Exceptions::Mount, "Mount point #{mount_point} does not exist")
a.whyrun("Assuming mount point #{mount_point} would have been created")
end
end
protected
def mount_fs
actual_options = unless options.nil?
options(options.delete("noauto"))
end
command = "mount -F #{fstype}"
command << " -o #{actual_options.join(',')}" unless actual_options.nil? || actual_options.empty?
command << " #{device} #{mount_point}"
shell_out!(command)
end
def umount_fs
shell_out!("umount #{mount_point}")
end
def remount_fs
shell_out!("mount -o remount #{mount_point}")
end
def enable_fs
if !mount_options_unchanged?
# Options changed: disable first, then re-enable.
disable_fs if current_resource.enabled
end
auto = options.nil? || ! options.include?("noauto")
actual_options = unless options.nil?
options.delete("noauto")
options
end
autostr = auto ? 'yes' : 'no'
passstr = pass == 0 ? "-" : pass
optstr = (actual_options.nil? || actual_options.empty?) ? "-" : actual_options.join(',')
Tempfile.open("vfstab", "etc") do |f|
f.write(IO.read(VFSTAB))
f.puts("#{device}\t-\t#{mount_point}\t#{fstype}\t#{passstr}\t#{autostr}\t#{optstr}")
f.close
FileUtils.mv f.path, VFSTAB
end
end
def disable_fs
contents = []
found = false
::File.readlines(VFSTAB).reverse_each do |line|
if !found && line =~ /^#{device_vfstab_regex}\s+[-\/\w]+\s+#{Regexp.escape(mount_point)}/
found = true
Chef::Log.debug("#{new_resource} is removed from vfstab")
next
end
contents << line
end
Tempfile.open("vfstab", "etc") do |f|
f.write(contents.reverse)
f.close
FileUtils.mv f.path, VFSTAB
end
end
def mount_options_unchanged?
current_resource.fstype == fstype and
current_resource.options == options and
current_resource.dump == dump and
current_resource.pass == pass
end
private
def read_vfstab_status
# Check to see if there is a entry in /etc/vfstab. Last entry for a volume wins.
enabled = false
fstype = options = pass = nil
::File.foreach(VFSTAB) do |line|
case line
when /^[#\s]/
next
# solaris /etc/vfstab format:
# device device mount FS fsck mount mount
# to mount to fsck point type pass at boot options
when /^#{device_vfstab_regex}\s+[-\/\w]+\s+#{Regexp.escape(mount_point)}\s+(\S+)\s+(\S+)\s+(\S+)\s+(\S+)/
enabled = true
fstype = $1
options = $4
# Store the 'mount at boot' column from vfstab as the 'noauto' option
# in current_resource.options (linux style)
if $3 == "yes"
if options.nil? || options.empty?
options = "noauto"
else
options += ",noauto"
end
end
pass = ( $2 == "-" ) ? 0 : $2.to_i
Chef::Log.debug("Found mount #{device} to #{mount_point} in #{VFSTAB}")
next
when /^[-\/\w]+\s+[-\/\w]+\s+#{Regexp.escape(mount_point)}\s+/
# if we find a mountpoint on top of our mountpoint, then we are not enabled
enabled = false
Chef::Log.debug("Found conflicting mount point #{mount_point} in #{VFSTAB}")
end
end
[ enabled, fstype, options, pass ]
end
def mounted?
mounted = false
shell_out!("mount -v").stdout.each_line do |line|
# <device> on <mountpoint> type <fstype> <options> on <date>
# /dev/dsk/c1t0d0s0 on / type ufs read/write/setuid/devices/intr/largefiles/logging/xattr/onerror=panic/dev=700040 on Tue May 1 11:33:55 2012
case line
when /^#{device_mount_regex}\s+on\s+#{Regexp.escape(mount_point)}\s+/
Chef::Log.debug("Special device #{device} is mounted as #{mount_point}")
mounted = true
when /^([\/\w]+)\son\s#{Regexp.escape(mount_point)}\s+/
Chef::Log.debug("Special device #{$1} is mounted as #{mount_point}")
mounted = false
end
end
mounted
end
def device_should_exist?
!%w{tmpfs nfs ctfs proc mntfs objfs sharefs fd smbfs}.include?(fstype)
end
def device_mount_regex
if ::File.symlink?(device)
"(?:#{Regexp.escape(device)}|#{Regexp.escape(::File.expand_path(::File.readlink(device),::File.dirname(device)))})"
else
Regexp.escape(device)
end
end
def device_vfstab_regex
device_mount_regex
end
end
end
end
end
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