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require 'spec_helper'
describe Clusters::Applications::CheckIngressIpAddressService do
subject { service.execute }
let(:application) { create(:clusters_applications_ingress, :installed) }
let(:service) { described_class.new(application) }
let(:kubeclient) { double(::Kubeclient::Client, get_service: kube_service) }
let(:ingress) { [{ ip: '111.222.111.222' }] }
let(:exclusive_lease) { instance_double(Gitlab::ExclusiveLease, try_obtain: true) }
let(:kube_service) do
::Kubeclient::Resource.new(
{
status: {
loadBalancer: {
ingress: ingress
}
}
}
)
end
before do
allow(application.cluster).to receive(:kubeclient).and_return(kubeclient)
allow(Gitlab::ExclusiveLease)
.to receive(:new)
.with("check_ingress_ip_address_service:#{application.id}", timeout: 3.seconds.to_i)
.and_return(exclusive_lease)
end
describe '#execute' do
context 'when the ingress ip address is available' do
it { is_expected.to eq(true) }
it 'updates the external_ip for the app' do
subject
expect(application.external_ip).to eq('111.222.111.222')
end
end
context 'when the ingress ip address is not available' do
let(:ingress) { nil }
it { is_expected.to eq(false) }
end
context 'when the exclusive lease cannot be obtained' do
before do
allow(exclusive_lease)
.to receive(:try_obtain)
.and_return(false)
end
it { is_expected.to eq(true) }
it 'does not call kubeclient' do
subject
expect(kubeclient).not_to have_received(:get_service)
end
end
context 'when there is already an external_ip' do
let(:application) { create(:clusters_applications_ingress, :installed, external_ip: '001.111.002.111') }
it { is_expected.to eq(true) }
it 'does not call kubeclient' do
subject
expect(kubeclient).not_to have_received(:get_service)
end
end
context 'when a kubernetes error occurs' do
before do
allow(kubeclient).to receive(:get_service).and_raise(KubeException.new(500, 'something blew up', nil))
end
it 'it raises Clusters::Applications::CheckIngressIpAddressServiceError' do
expect { subject }
.to raise_error(Clusters::Applications::CheckIngressIpAddressService::Error, "KubeException: something blew up")
end
end
end
end
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