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require 'chef_zero/data_store/interface_v2'
module ChefZero
module DataStore
class V1ToV2Adapter < ChefZero::DataStore::InterfaceV2
def initialize(real_store, single_org, options = {})
@real_store = real_store
@single_org = single_org
org_defaults = options[:org_defaults] || {}
@defaults = { 'organizations' => { single_org => org_defaults }}
end
ORG_DEFAULTS = {
'clients' => {
'chef-validator' => '{ "validator": true }',
'chef-webui' => '{ "admin": true }'
},
'environments' => {
'_default' => '{ "description": "The default Chef environment" }'
},
'users' => {
'admin' => '{ "admin": "true" }'
}
}
attr_reader :real_store
attr_reader :single_org
def clear
real_store.clear
end
def create_dir(path, name, *options)
return nil if skip_organizations?(path, name)
if using_default?(path, name)
raise DataAlreadyExistsError.new(path + [name])
end
fix_exceptions do
real_store.create_dir(path[2..-1], name, *options)
end
end
def create(path, name, data, *options)
return nil if skip_organizations?(path, name)
if using_default?(path, name)
raise DataAlreadyExistsError.new(path + [name])
end
remove_default(path, name)
fix_exceptions do
real_store.create(path[2..-1], name, data, *options)
end
end
def get(path, request=nil)
return nil if skip_organizations?(path)
if using_default?(path)
get_default(path)
else
fix_exceptions do
real_store.get(path[2..-1], request)
end
end
end
def set(path, data, *options)
return nil if skip_organizations?(path)
remove_default(path)
fix_exceptions do
real_store.set(path[2..-1], data, *options)
end
end
def delete(path)
return nil if skip_organizations?(path)
remove_default(path)
fix_exceptions do
real_store.delete(path[2..-1])
end
end
def delete_dir(path, *options)
return nil if skip_organizations?(path)
fix_exceptions do
real_store.delete_dir(path[2..-1], *options)
end
end
def list(path)
return nil if skip_organizations?(path)
fix_exceptions do
result = real_store.list(path[2..-1])
if using_default?(path)
result ||= []
get_default(path).keys.each do |value|
result << value if !result.include?(value)
end
end
result
end
end
def exists?(path)
return nil if skip_organizations?(path)
if using_default?(path)
true
else
fix_exceptions do
real_store.exists?(path[2..-1])
end
end
end
def exists_dir?(path)
return nil if skip_organizations?(path)
if using_default?(path)
true
else
fix_exceptions do
real_store.exists_dir?(path[2..-1])
end
end
end
private
def using_default?(path, name = nil)
path = path + [name] if name
result = @defaults
path.each do |part|
return false if !result.has_key?(part)
result = result[part]
end
!result.nil?
end
def get_default(path, name = nil)
path = path + [name] if name
result = @defaults
path.each do |part|
return nil if !result.has_key?(part)
result = result[part]
end
result
end
def remove_default(path, name = nil)
dir = name ? path[0..-2] : path
default = @defaults
dir.each do |part|
return if !default.has_key?(part)
default = default[part]
end
name = name || path.last
if name
default.delete(name)
end
end
def fix_exceptions
begin
yield
rescue DataAlreadyExistsError => e
raise DataAlreadyExistsError.new([ 'organizations', single_org ] + e.path, e)
rescue DataNotFoundError => e
raise DataNotFoundError.new([ 'organizations', single_org ] + e.path, e)
end
end
def skip_organizations?(path, name = nil)
if path == []
raise "" if name == nil || name != 'organizations'
true
elsif path == ['organizations']
raise "" if name == nil || name != single_org
true
else
raise "Path #{path} must start with /organizations/#{single_org}" if path[0..1] != [ 'organizations', single_org ]
if !name
raise "Path #{path} must start with /organizations/#{single_org}/<something>" if path.size <= 2
end
false
end
end
end
end
end
|
