openstack/puppet-swift
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puppet-swift/spec/unit/puppet/provider/swift_ring_builder_spec.rb
David Moreau Simard bb3007615f Add swift-ring-builder multi region support 
Since Swift 1.8.0, there is the region layer of topology above zones.
swift-ring-builder supports this natively and this commit allows a user to
specify a region when creating devices.
We maintain backwards compatibility by defaulting to region '1'.
The coverage of the ring builder spec tests were also improved as part of
this commit.

Change-Id: I67cbe6b87c84778f71df59cf00f2c5175342bc1b
2014-05-09 15:45:28 -04:00

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Ruby
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require 'puppet'
require 'mocha'
require File.join(File.dirname(__FILE__), '..', '..', '..', '..', 'lib', 'puppet', 'provider', 'swift_ring_builder')
RSpec.configure do |config|
config.mock_with :mocha
end
provider_class = Puppet::Provider::SwiftRingBuilder
describe provider_class do
let :builder_file_path do
'/etc/swift/account.builder'
end
it 'should be able to lookup the local ring and build an object 1.8+' do
File.expects(:exists?).with(builder_file_path).returns(true)
provider_class.expects(:builder_file_path).twice.returns(builder_file_path)
# Swift 1.8 output
provider_class.expects(:swift_ring_builder).returns(
'/etc/swift/account.builder, build version 3
262144 partitions, 3 replicas, 3 zones, 3 devices, 0.00 balance
The minimum number of hours before a partition can be reassigned is 1
Devices: id region zone ip address port replication ip replication port name weight partitions balance meta
1 1 1 192.168.101.13 6002 192.168.101.13 6002 1 1.00 262144 0.00
2 1 2 192.168.101.14 6002 192.168.101.14 6002 1 1.00 262144 200.00 m2
0 1 3 192.168.101.15 6002 192.168.101.15 6002 1 1.00 262144-100.00 m2
3 1 1 192.168.101.16 6002 192.168.101.16 6002 1 1.00 262144-100.00
'
)
resources = provider_class.lookup_ring
resources['192.168.101.13:6002/1'].should_not be_nil
resources['192.168.101.14:6002/1'].should_not be_nil
resources['192.168.101.15:6002/1'].should_not be_nil
resources['192.168.101.16:6002/1'].should_not be_nil
resources['192.168.101.13:6002/1'][:id].should eql '1'
resources['192.168.101.13:6002/1'][:region].should eql '1'
resources['192.168.101.13:6002/1'][:zone].should eql '1'
resources['192.168.101.13:6002/1'][:weight].should eql '1.00'
resources['192.168.101.13:6002/1'][:partitions].should eql '262144'
resources['192.168.101.13:6002/1'][:balance].should eql '0.00'
resources['192.168.101.13:6002/1'][:meta].should eql ''
resources['192.168.101.14:6002/1'][:id].should eql '2'
resources['192.168.101.14:6002/1'][:region].should eql '1'
resources['192.168.101.14:6002/1'][:zone].should eql '2'
resources['192.168.101.14:6002/1'][:weight].should eql '1.00'
resources['192.168.101.14:6002/1'][:partitions].should eql '262144'
resources['192.168.101.14:6002/1'][:balance].should eql '200.00'
resources['192.168.101.14:6002/1'][:meta].should eql 'm2'
end
it 'should be able to lookup the local ring and build an object 1.8.0' do
File.expects(:exists?).with(builder_file_path).returns(true)
provider_class.expects(:builder_file_path).twice.returns(builder_file_path)
# Swift 1.8 output
provider_class.expects(:swift_ring_builder).returns(
'/etc/swift/account.builder, build version 3
262144 partitions, 3 replicas, 3 zones, 3 devices, 0.00 balance
The minimum number of hours before a partition can be reassigned is 1
Devices: id region zone ip address port name weight partitions balance meta
1 1 1 192.168.101.13 6002 1 1.00 262144 0.00
2 1 2 192.168.101.14 6002 1 1.00 262144 200.00 m2
0 1 3 192.168.101.15 6002 1 1.00 262144-100.00 m2
3 1 1 192.168.101.16 6002 1 1.00 262144-100.00
'
)
resources = provider_class.lookup_ring
resources['192.168.101.13:6002/1'].should_not be_nil
resources['192.168.101.14:6002/1'].should_not be_nil
resources['192.168.101.15:6002/1'].should_not be_nil
resources['192.168.101.16:6002/1'].should_not be_nil
resources['192.168.101.13:6002/1'][:id].should eql '1'
resources['192.168.101.13:6002/1'][:region].should eql '1'
resources['192.168.101.13:6002/1'][:zone].should eql '1'
resources['192.168.101.13:6002/1'][:weight].should eql '1.00'
resources['192.168.101.13:6002/1'][:partitions].should eql '262144'
resources['192.168.101.13:6002/1'][:balance].should eql '0.00'
resources['192.168.101.13:6002/1'][:meta].should eql ''
resources['192.168.101.14:6002/1'][:id].should eql '2'
resources['192.168.101.14:6002/1'][:region].should eql '1'
resources['192.168.101.14:6002/1'][:zone].should eql '2'
resources['192.168.101.14:6002/1'][:weight].should eql '1.00'
resources['192.168.101.14:6002/1'][:partitions].should eql '262144'
resources['192.168.101.14:6002/1'][:balance].should eql '200.00'
resources['192.168.101.14:6002/1'][:meta].should eql 'm2'
end
it 'should be able to lookup the local ring and build an object 1.7' do
File.expects(:exists?).with(builder_file_path).returns(true)
provider_class.expects(:builder_file_path).twice.returns(builder_file_path)
# Swift 1.7 output
provider_class.expects(:swift_ring_builder).returns(
'/etc/swift/account.builder, build version 3
262144 partitions, 3 replicas, 3 zones, 3 devices, 0.00 balance
The minimum number of hours before a partition can be reassigned is 1
Devices: id region zone ip address port name weight partitions balance meta
1 1 1 192.168.101.13 6002 1 1.00 262144 0.00
2 1 2 192.168.101.14 6002 1 1.00 262144 0.00
0 1 3 192.168.101.15 6002 1 1.00 262144 0.00
'
)
resources = provider_class.lookup_ring
resources['192.168.101.13:6002/1'].should_not be_nil
resources['192.168.101.14:6002/1'].should_not be_nil
resources['192.168.101.15:6002/1'].should_not be_nil
resources['192.168.101.13:6002/1'][:id].should eql '1'
resources['192.168.101.13:6002/1'][:region].should eql '1'
resources['192.168.101.13:6002/1'][:zone].should eql '1'
resources['192.168.101.13:6002/1'][:weight].should eql '1.00'
resources['192.168.101.13:6002/1'][:partitions].should eql '262144'
resources['192.168.101.13:6002/1'][:balance].should eql '0.00'
resources['192.168.101.13:6002/1'][:meta].should eql ''
resources['192.168.101.14:6002/1'][:id].should eql '2'
resources['192.168.101.14:6002/1'][:region].should eql '1'
resources['192.168.101.14:6002/1'][:zone].should eql '2'
resources['192.168.101.14:6002/1'][:weight].should eql '1.00'
resources['192.168.101.14:6002/1'][:partitions].should eql '262144'
resources['192.168.101.14:6002/1'][:balance].should eql '0.00'
resources['192.168.101.14:6002/1'][:meta].should eql ''
end
it 'should be able to lookup the local ring and build an object legacy' do
File.expects(:exists?).with(builder_file_path).returns(true)
provider_class.expects(:builder_file_path).twice.returns(builder_file_path)
provider_class.expects(:swift_ring_builder).returns(
'/etc/swift/account.builder, build version 3
262144 partitions, 3 replicas, 3 zones, 3 devices, 0.00 balance
The minimum number of hours before a partition can be reassigned is 1
Devices: id zone ip address port name weight partitions balance meta
2 2 192.168.101.14 6002 1 1.00 262144 0.00
0 3 192.168.101.15 6002 1 1.00 262144 0.00
1 1 192.168.101.13 6002 1 1.00 262144 0.00
'
)
resources = provider_class.lookup_ring
resources['192.168.101.15:6002/1'].should_not be_nil
resources['192.168.101.13:6002/1'].should_not be_nil
resources['192.168.101.14:6002/1'].should_not be_nil
resources['192.168.101.13:6002/1'][:id].should eql '1'
resources['192.168.101.13:6002/1'][:region].should eql 'none'
resources['192.168.101.13:6002/1'][:zone].should eql '1'
resources['192.168.101.13:6002/1'][:weight].should eql '1.00'
resources['192.168.101.13:6002/1'][:partitions].should eql '262144'
resources['192.168.101.13:6002/1'][:balance].should eql '0.00'
resources['192.168.101.13:6002/1'][:meta].should eql ''
resources['192.168.101.14:6002/1'][:id].should eql '2'
resources['192.168.101.14:6002/1'][:region].should eql 'none'
resources['192.168.101.14:6002/1'][:zone].should eql '2'
resources['192.168.101.14:6002/1'][:weight].should eql '1.00'
resources['192.168.101.14:6002/1'][:partitions].should eql '262144'
resources['192.168.101.14:6002/1'][:balance].should eql '0.00'
resources['192.168.101.14:6002/1'][:meta].should eql ''
end
end
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