1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
|
#
# Author:: Adam Jacob (<adam@opscode.com>)
# Copyright:: Copyright (c) 2008 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/file'
require 'chef/rest'
require 'uri'
require 'tempfile'
require 'net/https'
class Chef
class Provider
class RemoteFile < Chef::Provider::File
def action_create
Chef::Log.debug("Checking #{@new_resource} for changes")
do_remote_file(@new_resource.source, @current_resource.path)
end
def action_create_if_missing
if ::File.exists?(@new_resource.path)
Chef::Log.debug("File #{@new_resource.path} exists, taking no action.")
else
action_create
end
end
def do_remote_file(source, path)
# The remote filehandle
raw_file = nil
# The current files checksum
current_checksum = nil
current_checksum = self.checksum(path) if ::File.exists?(path)
# If we are solo, try and find the file in a local cookbook
# assuming we find it, we open it up and set it to raw_file.
if Chef::Config[:solo]
filename = ::File.join(Chef::Config[:cookbook_path], @new_resource.cookbook_name.to_s, "files/default/#{source}")
Chef::Log.debug("using local file for remote_file:#{filename}")
raw_file = ::File.open(filename)
else
# Otherwise, we need to go get it from the chef server
# This results in a tmpfile as raw_file
r = Chef::REST.new(Chef::Config[:remotefile_url])
url = generate_url(
source,
"files",
{
:checksum => current_checksum
}
)
begin
raw_file = r.get_rest(url, true)
rescue Net::HTTPRetriableError => e
if e.response.kind_of?(Net::HTTPNotModified)
Chef::Log.debug("File #{path} is unchanged")
return false
else
raise e
end
end
end
# If the file exists
if ::File.exists?(@new_resource.path)
# And it matches the checsum of the raw file
@new_resource.checksum(self.checksum(raw_file.path))
if @new_resource.checksum != @current_resource.checksum
# Updating target file, let's perform a backup!
Chef::Log.debug("#{@new_resource} changed from #{@current_resource.checksum} to #{@new_resource.checksum}")
Chef::Log.info("Updating #{@new_resource} at #{@new_resource.path}")
backup(@new_resource.path)
end
else
# We're creating a new file
Chef::Log.info("Creating #{@new_resource} at #{@new_resource.path}")
end
FileUtils.cp(raw_file.path, @new_resource.path)
@new_resource.updated = true
set_owner if @new_resource.owner != nil
set_group if @new_resource.group != nil
set_mode if @new_resource.mode != nil
return true
end
end
end
end
|
