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instance_repository_spec.rb
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instance_repository_spec.rb
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require 'spec_helper'
describe Bosh::Director::DeploymentPlan::InstanceRepository do
subject(:instance_repository) { BD::DeploymentPlan::InstanceRepository.new(network_reservation_repository, logger) }
let(:plan) do
network = BD::DeploymentPlan::DynamicNetwork.new('name-7', [], logger)
ip_repo = BD::DeploymentPlan::InMemoryIpRepo.new(logger)
ip_provider = BD::DeploymentPlan::IpProvider.new(ip_repo, {'name-7' => network}, logger)
model = BD::Models::Deployment.make
BD::Models::VariableSet.create(deployment: model)
instance_double('Bosh::Director::DeploymentPlan::Planner',
network: network,
ip_provider: ip_provider,
model: model
)
end
let(:job) do
job = BD::DeploymentPlan::InstanceGroup.new(logger)
job.name = 'job-name'
job
end
let(:network_reservation_repository) { Bosh::Director::DeploymentPlan::NetworkReservationRepository.new(plan, logger) }
before do
allow(SecureRandom).to receive(:uuid).and_return('uuid-1')
end
let(:existing_instance) do
Bosh::Director::Models::Instance.make(
spec: instance_spec)
end
describe '#fetch_existing' do
let(:instance_spec) { {} }
it 'returns an DeploymentPlan::Instance with a bound Models::Instance' do
instance = instance_repository.fetch_existing(existing_instance, {}, job, nil, plan)
expect(instance.model).to eq(existing_instance)
expect(instance.uuid).to eq(existing_instance.uuid)
expect(instance.state).to eq(existing_instance.state)
end
it 'returns an instance with correct current state' do
instance = instance_repository.fetch_existing(existing_instance, {'job_state' => 'unresponsive'}, job, nil, plan)
expect(instance.model).to eq(existing_instance)
expect(instance.current_job_state).to eq('unresponsive')
end
context 'when job has instance state' do
it 'returns a DeploymentPlan::Instance with the state of the DesiredInstance' do
job.instance_states[existing_instance.uuid] = 'job-state'
instance = instance_repository.fetch_existing(existing_instance, {}, job, nil, plan)
expect(instance.state).to eq('job-state')
expect(instance.uuid).to eq(existing_instance.uuid)
end
end
describe 'binding existing reservations' do
context 'when instance has reservations in db' do
before do
existing_instance.add_ip_address(BD::Models::IpAddress.make(address_str: "123"))
end
it 'is using reservation from database' do
instance = instance_repository.fetch_existing(existing_instance, {}, job, nil, plan)
expect(instance.existing_network_reservations.map(&:ip)).to eq([123])
end
end
context 'when instance does not have reservations in database' do
context 'when instance has reservations on dynamic networks' do
let(:instance_spec) { {'networks' => {'name-7' => {'type' => 'dynamic', 'ip' => '10.10.0.10'}}} }
it 'creates reservations from state' do
instance = instance_repository.fetch_existing(existing_instance, {'networks' => {'name-7' => {'ip' => 345}}}, job, nil, plan)
expect(instance.existing_network_reservations.map(&:ip)).to eq([345])
end
end
context 'when binding reservations with state' do
it 'creates reservations from state' do
instance = instance_repository.fetch_existing(existing_instance, {'networks' => {'name-7' => {'ip' => 345}}}, job, nil, plan)
expect(instance.existing_network_reservations.map(&:ip)).to eq([345])
end
end
context 'when binding without state' do
it 'has no reservations' do
instance = instance_repository.fetch_existing(existing_instance, nil, job, nil, plan)
expect(instance.existing_network_reservations.map(&:ip)).to eq([])
end
end
end
end
end
describe '#fetch_obsolete_existing' do
let(:env) do
{
'key1' => 'value1'
}
end
let(:stemcell) { BD::Models::Stemcell.make(name: 'stemcell-name', version: '3.0.2', cid: 'sc-302') }
let(:instance_spec) do
{
'vm_type' => {
'name' => 'vm-type',
'cloud_properties' => {'foo' => 'bar'},
},
'stemcell' => {
'name' => stemcell.name,
'version' => stemcell.version
},
'env' => env,
'networks' => {
'ip' => '192.168.1.1',
}
}
end
it 'returns an instance with a bound Models::Instance' do
instance = instance_repository.fetch_obsolete_existing(existing_instance, {})
expect(instance.model).to eq(existing_instance)
expect(instance.uuid).to eq(existing_instance.uuid)
expect(instance.state).to eq(existing_instance.state)
expect(instance.index).to eq(existing_instance.index)
expect(instance.availability_zone.name).to eq(existing_instance.availability_zone)
expect(instance.compilation?).to eq(existing_instance.compilation)
expect(instance.job_name).to eq(existing_instance.job)
expect(instance.stemcell.models.first).to eq(stemcell)
expect(instance.env).to eq(env)
end
it 'returns an instance with correct current state' do
instance = instance_repository.fetch_obsolete_existing(existing_instance, {'job_state' => 'unresponsive'})
expect(instance.model).to eq(existing_instance)
expect(instance.current_job_state).to eq('unresponsive')
end
describe 'when existing instance has no spec' do
let(:instance_spec) { {} }
it 'returns an instance with no spec' do
instance = instance_repository.fetch_obsolete_existing(existing_instance, {})
expect(instance.model).to eq(existing_instance)
expect(instance.uuid).to eq(existing_instance.uuid)
expect(instance.state).to eq(existing_instance.state)
expect(instance.index).to eq(existing_instance.index)
expect(instance.availability_zone.name).to eq(existing_instance.availability_zone)
expect(instance.compilation?).to eq(existing_instance.compilation)
expect(instance.job_name).to eq(existing_instance.job)
expect(instance.stemcell).to be_nil
expect(instance.env).to eq({})
end
end
describe 'binding existing reservations' do
context 'when instance has reservations in db' do
before do
existing_instance.add_ip_address(BD::Models::IpAddress.make(address_str: "123"))
end
it 'is using reservation from database' do
instance = instance_repository.fetch_obsolete_existing(existing_instance, {})
expect(instance.existing_network_reservations.map(&:ip)).to eq([123])
end
end
context 'when instance does not have reservations in database' do
context 'when instance has reservations on dynamic networks' do
it 'creates reservations from state' do
instance = instance_repository.fetch_obsolete_existing(existing_instance, {'networks' => {'name-7' => {'ip' => 345}}})
expect(instance.existing_network_reservations.map(&:ip)).to eq([345])
end
end
context 'when binding reservations with state' do
it 'creates reservations from state' do
instance = instance_repository.fetch_obsolete_existing(existing_instance, {'networks' => {'name-7' => {'ip' => 345}}})
expect(instance.existing_network_reservations.map(&:ip)).to eq([345])
end
end
context 'when binding without state' do
it 'has no reservations' do
instance = instance_repository.fetch_obsolete_existing(existing_instance, nil)
expect(instance.existing_network_reservations.map(&:ip)).to eq([])
end
end
end
end
end
describe '#create' do
it 'should persist an instance with attributes from the desired_instance' do
az = BD::DeploymentPlan::AvailabilityZone.new('az-name', {})
desired_instance = BD::DeploymentPlan::DesiredInstance.new(job, plan, az)
instance_repository.create(desired_instance, 1)
persisted_instance = BD::Models::Instance.find(uuid: 'uuid-1')
expect(persisted_instance.deployment_id).to eq(plan.model.id)
expect(persisted_instance.job).to eq(job.name)
expect(persisted_instance.index).to eq(1)
expect(persisted_instance.state).to eq('started')
expect(persisted_instance.compilation).to eq(job.compilation?)
expect(persisted_instance.uuid).to eq('uuid-1')
end
end
end