mirror of
https://github.com/prometheus-community/windows_exporter.git
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Jan-Otto KröpkeandClaude Opus 5.5
54aeb2b391
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com> Signed-off-by: Jan-Otto Kröpke <mail@jkroepke.de>
91 lines
3.8 KiB
Go
91 lines
3.8 KiB
Go
// SPDX-License-Identifier: Apache-2.0
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//
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// Copyright The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//go:build windows
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package hyperv_test
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import (
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"log/slog"
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"testing"
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"time"
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"github.com/prometheus-community/windows_exporter/internal/collector/hyperv"
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"github.com/prometheus-community/windows_exporter/internal/pdh"
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"github.com/prometheus-community/windows_exporter/internal/utils/testutils"
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"github.com/prometheus/client_golang/prometheus"
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dto "github.com/prometheus/client_model/go"
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"github.com/stretchr/testify/require"
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)
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func BenchmarkCollector(b *testing.B) {
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testutils.FuncBenchmarkCollector(b, hyperv.Name, hyperv.NewWithFlags)
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}
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func TestCollector(t *testing.T) {
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metrics := testutils.TestCollector(t, hyperv.New, nil)
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testutils.RequireFixtureMetric(t, metrics, hyperv.Name, "windows_hyperv_dynamic_memory_vm_physical_bytes", prometheus.Labels{"vm": "GitHubActions"})
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testutils.RequireFixtureMetric(t, metrics, hyperv.Name, "windows_hyperv_vm_processor_count", prometheus.Labels{"vm": "GitHubActions"})
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// The fixture VM is not replicated, but every VM has a primary replication relationship.
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if metric := testutils.RequireFixtureMetric(t, metrics, hyperv.Name, "windows_hyperv_replica_vm_state", prometheus.Labels{"vm": "GitHubActions", "relationship": "primary"}); metric != nil {
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require.InDelta(t, 0, metric.GetGauge().GetValue(), 0, "expected replication to be disabled")
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}
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// The health query reports failures as 0 instead of an error, so check the value.
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if metric := testutils.RequireFixtureMetric(t, metrics, hyperv.Name, "windows_hyperv_wmi_health", nil); metric != nil {
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require.InDelta(t, 1, metric.GetGauge().GetValue(), 0, "Hyper-V WMI health query failed")
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}
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}
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// TestCollectorVirtualStorageDeviceLatency checks that the deprecated latency gauges
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// expose the raw cumulative value in 100ns ticks of the *_io_latency_seconds_total counters.
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func TestCollectorVirtualStorageDeviceLatency(t *testing.T) {
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metrics := testutils.TestCollector(t, hyperv.New, &hyperv.Config{CollectorsEnabled: []string{"virtual_storage_device"}})
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for deprecated, replacement := range map[string]string{
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"windows_hyperv_virtual_storage_device_latency_seconds": "windows_hyperv_virtual_storage_device_io_latency_seconds_total",
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"windows_hyperv_virtual_storage_device_lower_latency_seconds": "windows_hyperv_virtual_storage_device_lower_io_latency_seconds_total",
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} {
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want := testutils.MetricValuesByLabel(metrics, deprecated, "device")
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got := testutils.MetricValuesByLabel(metrics, replacement, "device")
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require.Len(t, got, len(want))
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if len(got) > 0 {
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require.Equal(t, dto.MetricType_COUNTER, metrics[replacement].GetType())
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}
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for device, ticks := range want {
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require.Contains(t, got, device)
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require.InDelta(t, ticks*pdh.TicksToSecondScaleFactor, got[device], 1e-6, "%s{device=%q}", replacement, device)
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}
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}
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}
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// TestCloseReleasesQuery ensures Close releases the PDH queries of the sub-collectors.
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func TestCloseReleasesQuery(t *testing.T) {
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t.Parallel()
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c := hyperv.New(&hyperv.Config{CollectorsEnabled: []string{"dynamic_memory_balancer"}})
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require.NoError(t, c.Build(slog.New(slog.DiscardHandler), nil))
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require.NoError(t, c.Close())
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ch := make(chan prometheus.Metric, 100)
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require.ErrorIs(t, c.Collect(ch, time.Second), pdh.ErrPerformanceCounterNotInitialized)
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}
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