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require 'chef_zero/data_store/interface_v2'
module ChefZero
module DataStore
class DefaultFacade < ChefZero::DataStore::InterfaceV2
def initialize(real_store, osc_compat)
@real_store = real_store
@osc_compat = osc_compat
clear
end
attr_reader :real_store
attr_reader :osc_compat
def default(path, name=nil)
value = @defaults
for part in path
break if !value
value = value[part]
end
value = value[name] if value && name
if value.is_a?(Proc)
return value.call(self, path)
else
if value.nil?
# ACLs are a special case: defaults for them exist as long as the
# underlying object does
if (path[0] == 'acls' || (path[0] == 'organizations' && path[2] == 'acls')) &&
target_object_exists?(path)
return '{}'
end
end
return value
end
end
def target_object_exists?(acl_path)
if acl_path[0] == 'organizations'
org_path = acl_path[0..1]
object_part = acl_path[3..-1]
if object_part == [ 'organization' ]
exists_dir?(org_path)
else
path = org_path + object_part
if object_part.size == 2 && %w(cookbooks data).include?(object_part[0])
exists_dir?(path)
else
exists?(path)
end
end
elsif acl_path[0] == 'acls'
exists?(acl_path[1..-1])
end
end
def delete_default(path)
value = @defaults
for part in path[0..-2]
break if !value
value = value[part]
end
if value
!!value.delete(path[-1])
else
false
end
end
def clear
real_store.clear if real_store.respond_to?(:clear)
@defaults = {
'organizations' => {},
'acls' => {}
}
unless osc_compat
@defaults['users'] = {
'pivotal' => '{}'
}
end
end
def create_dir(path, name, *options)
if default(path, name) && !options.include?(:recursive)
raise DataAlreadyExistsError.new(path + [name])
end
begin
real_store.create_dir(path, name, *options)
rescue DataNotFoundError
if default(path)
real_store.create_dir(path, name, :recursive, *options)
else
raise
end
end
# If the org hasn't been created, create its defaults
if path.size > 0 && path[0] == 'organizations'
options_hash = options.last
requestor = options_hash.is_a?(Hash) ? options_hash[:requestor] : nil
if path.size == 1
@defaults['organizations'][name] ||= org_defaults(name, requestor)
else
@defaults['organizations'][path[1]] ||= org_default(path[1], requestor)
end
end
end
def create(path, name, data, *options)
if default(path, name) && !options.include?(:create_dir)
raise DataAlreadyExistsError.new(path + [name])
end
begin
real_store.create(path, name, data, *options)
rescue DataNotFoundError
if default(path)
real_store.create(path, name, data, :create_dir, *options)
else
raise
end
end
# If the org hasn't been created, create its defaults
if path.size > 0 && path[0] == 'organizations'
options_hash = options.last
requestor = options_hash.is_a?(Hash) ? options_hash[:requestor] : nil
if path.size == 1
@defaults['organizations'][name] ||= org_defaults(name, options[:requestor])
else
@defaults['organizations'][path[1]] ||= org_defaults(path[1], options[:requestor])
end
end
end
def get(path, request=nil)
begin
real_store.get(path, request)
rescue DataNotFoundError
result = default(path)
if result
result
else
raise
end
end
end
def set(path, data, *options)
begin
real_store.set(path, data, *options)
rescue DataNotFoundError
if default(path)
real_store.set(path, data, :create, :create_dir, *options)
else
raise
end
end
end
def delete(path)
deleted = delete_default(path)
begin
real_store.delete(path)
rescue DataNotFoundError
if deleted
return
else
raise
end
end
end
def delete_dir(path, *options)
deleted = delete_default(path)
begin
real_store.delete_dir(path, *options)
rescue DataNotFoundError
if !deleted
raise
end
end
end
def list(path)
default_results = default(path)
default_results = default_results.keys if default_results
begin
real_results = real_store.list(path)
if default_results
(real_results + default_results).uniq
else
real_results
end
rescue DataNotFoundError
if default_results
default_results
else
raise
end
end
end
def exists?(path)
real_store.exists?(path) || default(path)
end
def exists_dir?(path)
real_store.exists_dir?(path) || default(path)
end
def org_defaults(name, requestor)
result = {
'clients' => {
"#{name}-validator" => '{ "validator": true }'
},
'cookbooks' => {},
'data' => {},
'environments' => {
'_default' => '{ "description": "The default Chef environment" }'
},
'file_store' => {
'checksums' => {}
},
'nodes' => {},
'roles' => {},
'sandboxes' => {},
'users' => {},
'org' => '{}',
'containers' => {
'clients' => '{}',
'containers' => '{}',
'cookbooks' => '{}',
'data' => '{}',
'environments' => '{}',
'groups' => '{}',
'nodes' => '{}',
'roles' => '{}',
'sandboxes' => '{}'
},
'groups' => {
'admins' => admins_group(requestor),
'billing-admins' => '{}',
'clients' => clients_group,
'users' => users_group(requestor),
},
'acls' => {
'clients' => {},
'containers' => {
'cookbooks' => '{
"create": { "groups": [ "admins", "users" ] },
"read": { "groups": [ "admins", "users", "clients" ] },
"update": { "groups": [ "admins", "users" ] },
"delete": { "groups": [ "admins", "users" ] }
}',
'environments' => '{
"create": { "groups": [ "admins", "users" ] },
"read": { "groups": [ "admins", "users", "clients" ] },
"update": { "groups": [ "admins", "users" ] },
"delete": { "groups": [ "admins", "users" ] }
}',
'roles' => '{
"create": { "groups": [ "admins", "users" ] },
"read": { "groups": [ "admins", "users", "clients" ] },
"update": { "groups": [ "admins", "users" ] },
"delete": { "groups": [ "admins", "users" ] }
}',
'data' => '{
"create": { "groups": [ "admins", "users", "clients" ] },
"read": { "groups": [ "admins", "users", "clients" ] },
"update": { "groups": [ "admins", "users", "clients" ] },
"delete": { "groups": [ "admins", "users", "clients" ] }
}',
'nodes' => '{
"create": { "groups": [ "admins", "users", "clients" ] },
"read": { "groups": [ "admins", "users", "clients" ] },
"update": { "groups": [ "admins", "users" ] },
"delete": { "groups": [ "admins", "users" ] }
}',
'clients' => '{
"read": { "groups": [ "admins", "users" ] },
"delete": { "groups": [ "admins", "users" ] }
}',
'groups' => '{}',
'containers' => %'{
"create": { "actors": [ "#{requestor}" ] },
"read": { "actors": [ "#{requestor}" ], "groups": [ "admins", "users" ] },
"update": { "actors": [ "#{requestor}" ] },
"delete": { "actors": [ "#{requestor}" ] },
"grant": { "actors": [ "#{requestor}" ] }
}',
'sandboxes' => '{
"create": { "groups": [ "admins", "users" ] }
}'
},
'cookbooks' => {},
'data' => {},
'environments' => {},
'groups' => {
# It's a little weird that the default acls for groups
# allows users to read, but these groups don't.
'admins' => '{ "read": { "groups": [ "admins" ] } }',
'clients' => '{ "read": { "groups": [ "admins" ] } }',
'users' => '{ "read": { "groups": [ "admins" ] } }',
'billing-admins' => '{
"create": { "groups": [ ] },
"read": { "groups": [ "billing-admins" ] },
"update": { "groups": [ "billing-admins" ] },
"delete": { "groups": [ ] },
"grant": { "groups": [ ] }
}',
},
'nodes' => {},
'roles' => {},
'organizations' => '{
"read": { "groups": [ "admins", "users" ] }
}',
'sandboxes' => {}
},
'association_requests' => {},
}
if osc_compat
result['users']['admin'] = '{ "admin": "true" }'
result['clients']["#{name}-webui"] = '{ "admin": true }'
else
result['users'][requestor] = '{}'
end
result
end
def admins_group(requestor)
proc do |data, path|
admins = data.list(path[0..1] + [ 'users' ]).select do |name|
user = JSON.parse(data.get(path[0..1] + [ 'users', name ]), :create_additions => false)
user['admin']
end
admins += data.list(path[0..1] + [ 'clients' ]).select do |name|
client = JSON.parse(data.get(path[0..1] + [ 'clients', name ]), :create_additions => false)
client['admin']
end
JSON.pretty_generate({ 'actors' => ([ requestor ] + admins).uniq })
end
end
def clients_group
proc do |data, path|
clients = data.list(path[0..1] + [ 'clients' ])
JSON.pretty_generate({ 'clients' => clients })
end
end
def users_group(requestor)
proc do |data, path|
users = data.list(path[0..1] + [ 'users' ])
JSON.pretty_generate({ 'users' => ([ requestor ] + users).uniq })
end
end
end
end
end
|
