mirror of
https://github.com/prometheus-community/windows_exporter.git
synced 2026-02-10 06:56:38 +00:00
84 lines
2.1 KiB
Go
84 lines
2.1 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 mssql
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import (
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"fmt"
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"log/slog"
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"github.com/prometheus-community/windows_exporter/internal/types"
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"github.com/prometheus/client_golang/prometheus"
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"golang.org/x/sys/windows/registry"
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)
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type collectorInstance struct {
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instances *prometheus.Desc
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}
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func (c *Collector) buildInstance() error {
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c.instances = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "instance_info"),
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"A metric with a constant '1' value labeled with mssql instance information",
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[]string{"edition", "mssql_instance", "patch", "version"},
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nil,
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)
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return nil
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}
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func (c *Collector) collectInstance(ch chan<- prometheus.Metric) error {
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for _, instance := range c.mssqlInstances {
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regKeyName := fmt.Sprintf(`Software\Microsoft\Microsoft SQL Server\%s\Setup`, instance.instanceName)
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regKey, err := registry.OpenKey(registry.LOCAL_MACHINE, regKeyName, registry.QUERY_VALUE)
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if err != nil {
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c.logger.Debug(fmt.Sprintf("couldn't open registry %s:", regKeyName),
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slog.Any("err", err),
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)
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continue
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}
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patchVersion, _, err := regKey.GetStringValue("PatchLevel")
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_ = regKey.Close()
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if err != nil {
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c.logger.Debug("couldn't get version from registry",
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slog.Any("err", err),
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)
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continue
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}
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ch <- prometheus.MustNewConstMetric(
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c.instances,
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prometheus.GaugeValue,
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1,
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instance.edition,
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instance.name,
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patchVersion,
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instance.majorVersion.String(),
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)
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}
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return nil
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}
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func (c *Collector) closeInstance() {
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}
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