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119 lines
3.9 KiB
119 lines
3.9 KiB
// Copyright 2019 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 !nodiskstats && (openbsd || linux || darwin)
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// +build !nodiskstats
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// +build openbsd linux darwin
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package collector
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import (
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"errors"
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"log/slog"
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"github.com/alecthomas/kingpin/v2"
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"github.com/prometheus/client_golang/prometheus"
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)
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const (
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diskSubsystem = "disk"
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)
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var (
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diskLabelNames = []string{"device"}
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diskstatsDeviceExcludeSet bool
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diskstatsDeviceExclude = kingpin.Flag(
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"collector.diskstats.device-exclude",
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"Regexp of diskstats devices to exclude (mutually exclusive to device-include).",
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).Default(diskstatsDefaultIgnoredDevices).PreAction(func(c *kingpin.ParseContext) error {
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diskstatsDeviceExcludeSet = true
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return nil
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}).String()
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oldDiskstatsDeviceExclude = kingpin.Flag(
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"collector.diskstats.ignored-devices",
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"DEPRECATED: Use collector.diskstats.device-exclude",
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).Hidden().String()
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diskstatsDeviceInclude = kingpin.Flag("collector.diskstats.device-include", "Regexp of diskstats devices to include (mutually exclusive to device-exclude).").String()
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readsCompletedDesc = prometheus.NewDesc(
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prometheus.BuildFQName(namespace, diskSubsystem, "reads_completed_total"),
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"The total number of reads completed successfully.",
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diskLabelNames, nil,
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)
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readBytesDesc = prometheus.NewDesc(
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prometheus.BuildFQName(namespace, diskSubsystem, "read_bytes_total"),
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"The total number of bytes read successfully.",
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diskLabelNames, nil,
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)
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writesCompletedDesc = prometheus.NewDesc(
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prometheus.BuildFQName(namespace, diskSubsystem, "writes_completed_total"),
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"The total number of writes completed successfully.",
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diskLabelNames, nil,
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)
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writtenBytesDesc = prometheus.NewDesc(
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prometheus.BuildFQName(namespace, diskSubsystem, "written_bytes_total"),
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"The total number of bytes written successfully.",
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diskLabelNames, nil,
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)
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ioTimeSecondsDesc = prometheus.NewDesc(
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prometheus.BuildFQName(namespace, diskSubsystem, "io_time_seconds_total"),
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"Total seconds spent doing I/Os.",
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diskLabelNames, nil,
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)
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readTimeSecondsDesc = prometheus.NewDesc(
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prometheus.BuildFQName(namespace, diskSubsystem, "read_time_seconds_total"),
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"The total number of seconds spent by all reads.",
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diskLabelNames,
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nil,
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)
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writeTimeSecondsDesc = prometheus.NewDesc(
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prometheus.BuildFQName(namespace, diskSubsystem, "write_time_seconds_total"),
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"This is the total number of seconds spent by all writes.",
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diskLabelNames,
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nil,
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)
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)
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func newDiskstatsDeviceFilter(logger *slog.Logger) (deviceFilter, error) {
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if *oldDiskstatsDeviceExclude != "" {
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if !diskstatsDeviceExcludeSet {
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logger.Warn("--collector.diskstats.ignored-devices is DEPRECATED and will be removed in 2.0.0, use --collector.diskstats.device-exclude")
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*diskstatsDeviceExclude = *oldDiskstatsDeviceExclude
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} else {
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return deviceFilter{}, errors.New("--collector.diskstats.ignored-devices and --collector.diskstats.device-exclude are mutually exclusive")
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}
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}
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if *diskstatsDeviceExclude != "" && *diskstatsDeviceInclude != "" {
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return deviceFilter{}, errors.New("device-exclude & device-include are mutually exclusive")
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}
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if *diskstatsDeviceExclude != "" {
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logger.Info("Parsed flag --collector.diskstats.device-exclude", "flag", *diskstatsDeviceExclude)
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}
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if *diskstatsDeviceInclude != "" {
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logger.Info("Parsed Flag --collector.diskstats.device-include", "flag", *diskstatsDeviceInclude)
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}
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return newDeviceFilter(*diskstatsDeviceExclude, *diskstatsDeviceInclude), nil
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}
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