debian-mirror-gitlab/spec/lib/gitlab/kubernetes/node_spec.rb

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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Gitlab::Kubernetes::Node do
include KubernetesHelpers
describe '#all' do
let(:cluster) { create(:cluster, :provided_by_user, :group) }
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let(:expected_nodes) { nil }
let(:nodes) { [kube_node.merge(kube_node_metrics)] }
subject { described_class.new(cluster).all }
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before do
stub_kubeclient_nodes_and_nodes_metrics(cluster.platform.api_url)
end
context 'when connection to the cluster is successful' do
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let(:expected_nodes) { { nodes: nodes } }
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it { is_expected.to eq(expected_nodes) }
end
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context 'when there is a connection error' do
using RSpec::Parameterized::TableSyntax
where(:error, :error_status) do
SocketError | :kubernetes_connection_error
OpenSSL::X509::CertificateError | :kubernetes_authentication_error
StandardError | :unknown_error
Kubeclient::HttpError.new(408, "", nil) | :kubeclient_http_error
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end
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context 'when there is an error while querying nodes' do
with_them do
before do
allow(cluster.kubeclient).to receive(:get_nodes).and_raise(error)
end
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it { is_expected.to eq({ node_connection_error: error_status }) }
end
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end
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context 'when there is an error while querying metrics' do
with_them do
before do
allow(cluster.kubeclient).to receive(:get_nodes).and_return({ response: nodes })
allow(cluster.kubeclient).to receive(:metrics_client).and_raise(error)
end
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it { is_expected.to eq({ nodes: nodes, metrics_connection_error: error_status }) }
end
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end
end
context 'when an uncategorised error is raised' do
before do
allow(cluster.kubeclient.core_client).to receive(:discover)
.and_raise(StandardError)
end
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it { is_expected.to eq({ node_connection_error: :unknown_error }) }
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it 'notifies Sentry' do
expect(Gitlab::ErrorTracking).to receive(:track_exception)
.with(instance_of(StandardError), hash_including(cluster_id: cluster.id))
.once
subject
end
end
end
end