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
|
require File.join(File.dirname(__FILE__), "mixin", "params_validate")
require 'digest/sha2'
require 'json'
class Chef
class CouchDB
include Chef::Mixin::ParamsValidate
def initialize(url=nil)
url ||= Chef::Config[:couchdb_url]
@rest = Chef::REST.new(url)
end
def create_db
@database_list = @rest.get_rest("_all_dbs")
unless @database_list.detect { |db| db == "chef" }
response = @rest.put_rest("chef", Hash.new)
end
"chef"
end
def create_design_document(name, data)
to_update = true
begin
old_doc = @rest.get_rest("chef/_design%2F#{name}")
if data["version"] != old_doc["version"]
data["_rev"] = old_doc["_rev"]
Chef::Log.debug("Updating #{name} views")
else
to_update = false
end
rescue
Chef::Log.debug("Creating #{name} views for the first time")
end
if to_update
@rest.put_rest("chef/_design%2F#{name}", data)
end
true
end
def store(obj_type, name, object)
validate(
{
:obj_type => obj_type,
:name => name,
:object => object,
},
{
:object => { :respond_to => :to_json },
}
)
@rest.put_rest("chef/#{obj_type}_#{safe_name(name)}", object)
end
def load(obj_type, name)
validate(
{
:obj_type => obj_type,
:name => name,
},
{
:obj_type => { :kind_of => String },
:name => { :kind_of => String },
}
)
@rest.get_rest("chef/#{obj_type}_#{safe_name(name)}")
end
def delete(obj_type, name, rev=nil)
validate(
{
:obj_type => obj_type,
:name => name,
},
{
:obj_type => { :kind_of => String },
:name => { :kind_of => String },
}
)
unless rev
last_obj = @rest.get_rest("chef/#{obj_type}_#{safe_name(name)}")
if last_obj.respond_to?(:couchdb_rev)
rev = last_obj.couchdb_rev
else
rev = last_obj['_rev']
end
end
@rest.delete_rest("chef/#{obj_type}_#{safe_name(name)}?rev=#{rev}")
end
def list(view, inflate=false)
validate(
{
:view => view,
},
{
:view => { :kind_of => String }
}
)
if inflate
@rest.get_rest("chef/_view/#{view}/all")
else
@rest.get_rest("chef/_view/#{view}/all_id")
end
end
def has_key?(obj_type, name)
validate(
{
:obj_type => obj_type,
:name => name,
},
{
:obj_type => { :kind_of => String },
:name => { :kind_of => String },
}
)
begin
@rest.get_rest("chef/#{obj_type}_#{safe_name(name)}")
true
rescue
false
end
end
private
def safe_name(name)
name.gsub(/\./, "_")
end
end
end
|