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
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
#
# 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 'chef/mixin/find_preferred_file'
require 'uri'
require 'tempfile'
require 'net/https'
class Chef
class Provider
class RemoteFile < Chef::Provider::File
include Chef::Mixin::FindPreferredFile
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)
retval = true
if(@new_resource.checksum && @current_resource.checksum && @current_resource.checksum =~ /^#{@new_resource.checksum}/)
Chef::Log.debug("File #{@new_resource} checksum matches, not updating")
else
begin
# The remote filehandle
raw_file = get_from_uri(source) ||
get_from_server(source, @current_resource.checksum) ||
get_from_local_cookbook(source)
# If the file exists
if ::File.exists?(@new_resource.path)
# And it matches the checksum 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
# We're done with the file, so make sure to close it if it was open.
raw_file.close unless raw_file.closed?
rescue Net::HTTPRetriableError => e
if e.response.kind_of?(Net::HTTPNotModified)
Chef::Log.debug("File #{path} is unchanged")
retval = false
else
raise e
end
end
end
set_owner if @new_resource.owner
set_group if @new_resource.group
set_mode if @new_resource.mode
retval
end
def get_from_uri(source)
begin
uri = URI.parse(source)
if uri.absolute
r = Chef::REST.new(source, nil, nil)
Chef::Log.debug("Downloading from absolute URI: #{source}")
r.get_rest(source, true).open
end
rescue URI::InvalidURIError
nil
end
end
def get_from_server(source, current_checksum)
unless Chef::Config[:solo]
r = Chef::REST.new(Chef::Config[:remotefile_url])
url = generate_url(source, "files", :checksum => current_checksum)
Chef::Log.debug("Downloading from server: #{url}")
r.get_rest(url, true).open
end
end
def get_from_local_cookbook(source)
if Chef::Config[:solo]
cookbook_name = @new_resource.cookbook || @new_resource.cookbook_name
filename = find_preferred_file(
cookbook_name,
:remote_file,
source,
@node[:fqdn],
@node[:platform],
@node[:platform_version]
)
Chef::Log.debug("Using local file for remote_file:#{filename}")
::File.open(filename)
end
end
end
end
end
|
