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#
# Author:: Adam Jacob (<adam@hjksolutions.com>)
# Copyright:: Copyright (c) 2008 HJK Solutions, LLC
# License:: GNU General Public License version 2 or later
#
# This program and entire repository is free software; you can
# redistribute it and/or modify it under the terms of the GNU
# General Public License as published by the Free Software
# Foundation; either version 2 of the License, or any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
require 'digest/md5'
require 'etc'
class Chef
class Provider
class File < Chef::Provider
def load_current_resource
@current_resource = Chef::Resource::File.new(@new_resource.name)
@current_resource.path(@new_resource.path)
if ::File.exist?(@current_resource.path) && ::File.readable?(@current_resource.path)
cstats = ::File.stat(@current_resource.path)
@current_resource.owner(cstats.uid)
@current_resource.group(cstats.gid)
@current_resource.mode("%o" % (cstats.mode & 007777))
checksum
end
@current_resource
end
def checksum
digest = Digest::MD5.new
IO.foreach(@current_resource.path) do |line|
digest << line
end
@current_resource.checksum(digest.hexdigest)
end
# Compare the ownership of a file. Returns true if they are the same, false if they are not.
def compare_owner
if @new_resource.owner != nil
case @new_resource.owner
when /^\d+$/, Integer
@set_user_id = @new_resource.owner.to_i
@set_user_id == @current_resource.owner
else
# This raises an ArugmentError if you can't find the user
user_info = Etc.getpwnam(@new_resource.owner)
@set_user_id = user_info.uid
@set_user_id == @current_resource.owner
end
end
end
# Set the ownership on the file, assuming it is not set correctly already.
def set_owner
unless compare_owner
Chef::Log.info("Setting owner to #{@set_user_id} for #{@new_resource}")
::File.chown(@set_user_id, nil, @new_resource.path)
@new_resource.updated = true
end
end
# Compares the group of a file. Returns true if they are the same, false if they are not.
def compare_group
if @new_resource.group != nil
case @new_resource.group
when /^\d+$/, Integer
@set_group_id = @new_resource.group.to_i
@set_group_id == @current_resource.group
else
group_info = Etc.getgrnam(@new_resource.group)
@set_group_id = group_info.gid
@set_group_id == @current_resource.group
end
end
end
def set_group
unless compare_group
Chef::Log.info("Setting group to #{@set_group_id} for #{@new_resource}")
::File.chown(nil, @set_group_id, @new_resource.path)
@new_resource.updated = true
end
end
def compare_mode
if @new_resource.mode != nil
case @new_resource.mode
when /^\d+$/, Integer
real_mode = sprintf("%o" % (@new_resource.mode & 007777))
real_mode.to_i == @current_resource.mode.to_i
end
end
end
def set_mode
unless compare_mode && @new_resource.mode != nil
Chef::Log.info("Setting mode to #{sprintf("%o" % (@new_resource.mode & 007777))
} for #{@new_resource}")
::File.chmod(@new_resource.mode.to_i, @new_resource.path)
@new_resource.updated = true
end
end
def action_create
unless ::File.exists?(@new_resource.path)
Chef::Log.info("Creating #{@new_resource} at #{@new_resource.path}")
::File.open(@new_resource.path, "w+") { |f| }
@new_resource.updated = true
end
set_owner if @new_resource.owner != nil
set_group if @new_resource.group != nil
set_mode if @new_resource.mode != nil
end
def action_delete
if ::File.exists?(@new_resource.path) && ::File.writable?(@new_resource.path)
Chef::Log.info("Deleting #{@new_resource} at #{@new_resource.path}")
::File.delete(@new_resource.path)
@new_resource.updated = true
else
raise "Cannot delete #{@new_resource} at #{@new_resource_path}!"
end
end
def action_touch
action_create
time = Time.now
Chef::Log.info("Updating #{@new_resource} with new atime/mtime of #{time}")
::File.utime(time, time, @new_resource.path)
@new_resource.updated = true
end
end
end
end
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