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# frozen_string_literal: true
require 'spec_helper'
describe ::PodLogs::KubernetesService do
include KubernetesHelpers
let_it_be(:cluster) { create(:cluster, :provided_by_gcp, environment_scope: '*') }
let(:namespace) { 'autodevops-deploy-9-production' }
let(:pod_name) { 'pod-1' }
let(:container_name) { 'container-1' }
let(:params) { {} }
let(:raw_logs) do
"2019-12-13T14:04:22.123456Z Log 1\n2019-12-13T14:04:23.123456Z Log 2\n" \
"2019-12-13T14:04:24.123456Z Log 3"
end
subject { described_class.new(cluster, namespace, params: params) }
describe '#pod_logs' do
let(:result_arg) do
{
pod_name: pod_name,
container_name: container_name
}
end
let(:expected_logs) { raw_logs }
let(:service) { create(:cluster_platform_kubernetes, :configured) }
it 'returns the logs' do
stub_kubeclient_logs(pod_name, namespace, container: container_name)
result = subject.send(:pod_logs, result_arg)
expect(result[:status]).to eq(:success)
expect(result[:logs]).to eq(expected_logs)
end
it 'handles Not Found errors from k8s' do
allow_any_instance_of(Gitlab::Kubernetes::KubeClient)
.to receive(:get_pod_log)
.with(any_args)
.and_raise(Kubeclient::ResourceNotFoundError.new(404, 'Not Found', {}))
result = subject.send(:pod_logs, result_arg)
expect(result[:status]).to eq(:error)
expect(result[:message]).to eq('Pod not found')
end
it 'handles HTTP errors from k8s' do
allow_any_instance_of(Gitlab::Kubernetes::KubeClient)
.to receive(:get_pod_log)
.with(any_args)
.and_raise(Kubeclient::HttpError.new(500, 'Error', {}))
result = subject.send(:pod_logs, result_arg)
expect(result[:status]).to eq(:error)
expect(result[:message]).to eq('Kubernetes API returned status code: 500')
end
end
describe '#encode_logs_to_utf8', :aggregate_failures do
let(:service) { create(:cluster_platform_kubernetes, :configured) }
let(:expected_logs) { '2019-12-13T14:04:22.123456Z ✔ Started logging errors to Sentry' }
let(:raw_logs) { expected_logs.dup.force_encoding(Encoding::ASCII_8BIT) }
let(:result) { subject.send(:encode_logs_to_utf8, result_arg) }
let(:result_arg) do
{
pod_name: pod_name,
container_name: container_name,
logs: raw_logs
}
end
it 'converts logs to utf-8' do
expect(result[:status]).to eq(:success)
expect(result[:logs]).to eq(expected_logs)
end
it 'returns error if output of encoding helper is blank' do
allow(Gitlab::EncodingHelper).to receive(:encode_utf8).and_return('')
expect(result[:status]).to eq(:error)
expect(result[:message]).to eq('Unable to convert Kubernetes logs encoding to UTF-8')
end
it 'returns error if output of encoding helper is nil' do
allow(Gitlab::EncodingHelper).to receive(:encode_utf8).and_return(nil)
expect(result[:status]).to eq(:error)
expect(result[:message]).to eq('Unable to convert Kubernetes logs encoding to UTF-8')
end
it 'returns error if output of encoding helper is not UTF-8' do
allow(Gitlab::EncodingHelper).to receive(:encode_utf8)
.and_return(expected_logs.encode(Encoding::UTF_16BE))
expect(result[:status]).to eq(:error)
expect(result[:message]).to eq('Unable to convert Kubernetes logs encoding to UTF-8')
end
context 'when logs are nil' do
let(:raw_logs) { nil }
let(:expected_logs) { nil }
it 'returns nil' do
expect(result[:status]).to eq(:success)
expect(result[:logs]).to eq(expected_logs)
end
end
context 'when logs are blank' do
let(:raw_logs) { (+'').force_encoding(Encoding::ASCII_8BIT) }
let(:expected_logs) { '' }
it 'returns blank string' do
expect(result[:status]).to eq(:success)
expect(result[:logs]).to eq(expected_logs)
end
end
context 'when logs are already in utf-8' do
let(:raw_logs) { expected_logs }
it 'does not fail' do
expect(result[:status]).to eq(:success)
expect(result[:logs]).to eq(expected_logs)
end
end
end
describe '#split_logs' do
let(:service) { create(:cluster_platform_kubernetes, :configured) }
let(:expected_logs) do
[
{ message: "Log 1", timestamp: "2019-12-13T14:04:22.123456Z" },
{ message: "Log 2", timestamp: "2019-12-13T14:04:23.123456Z" },
{ message: "Log 3", timestamp: "2019-12-13T14:04:24.123456Z" }
]
end
let(:result_arg) do
{
pod_name: pod_name,
container_name: container_name,
logs: raw_logs
}
end
it 'returns the logs' do
result = subject.send(:split_logs, result_arg)
aggregate_failures do
expect(result[:status]).to eq(:success)
expect(result[:logs]).to eq(expected_logs)
end
end
end
end
|
