mirror of
https://github.com/prometheus/node_exporter.git
synced 2024-11-23 20:36:21 +01:00
02f5005ac8
Refactor diskstats collector include/exclude to work on all platforms. * Fix up default ignored devices. Signed-off-by: Ben Kochie <superq@gmail.com>
109 lines
3.9 KiB
Go
109 lines
3.9 KiB
Go
// Copyright 2019 The Prometheus Authors
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
//go:build !nodiskstats && (openbsd || linux || darwin)
|
|
// +build !nodiskstats
|
|
// +build openbsd linux darwin
|
|
|
|
package collector
|
|
|
|
import (
|
|
"errors"
|
|
|
|
"github.com/go-kit/log"
|
|
"github.com/go-kit/log/level"
|
|
"github.com/prometheus/client_golang/prometheus"
|
|
"gopkg.in/alecthomas/kingpin.v2"
|
|
)
|
|
|
|
const (
|
|
diskSubsystem = "disk"
|
|
)
|
|
|
|
var (
|
|
diskLabelNames = []string{"device"}
|
|
|
|
diskstatsDeviceExclude = kingpin.Flag("collector.diskstats.device-exclude", "Regexp of diskstats devices to exclude (mutually exclusive to device-include).").Default(diskstatsDefaultIgnoredDevices).String()
|
|
oldDiskstatsDeviceExclude = kingpin.Flag("collector.diskstats.ignored-devices", "DEPRECATED: Use collector.diskstats.device-exclude").String()
|
|
diskstatsDeviceInclude = kingpin.Flag("collector.diskstats.device-include", "Regexp of diskstats devices to include (mutually exclusive to device-exclude).").String()
|
|
|
|
readsCompletedDesc = prometheus.NewDesc(
|
|
prometheus.BuildFQName(namespace, diskSubsystem, "reads_completed_total"),
|
|
"The total number of reads completed successfully.",
|
|
diskLabelNames, nil,
|
|
)
|
|
|
|
readBytesDesc = prometheus.NewDesc(
|
|
prometheus.BuildFQName(namespace, diskSubsystem, "read_bytes_total"),
|
|
"The total number of bytes read successfully.",
|
|
diskLabelNames, nil,
|
|
)
|
|
|
|
writesCompletedDesc = prometheus.NewDesc(
|
|
prometheus.BuildFQName(namespace, diskSubsystem, "writes_completed_total"),
|
|
"The total number of writes completed successfully.",
|
|
diskLabelNames, nil,
|
|
)
|
|
|
|
writtenBytesDesc = prometheus.NewDesc(
|
|
prometheus.BuildFQName(namespace, diskSubsystem, "written_bytes_total"),
|
|
"The total number of bytes written successfully.",
|
|
diskLabelNames, nil,
|
|
)
|
|
|
|
ioTimeSecondsDesc = prometheus.NewDesc(
|
|
prometheus.BuildFQName(namespace, diskSubsystem, "io_time_seconds_total"),
|
|
"Total seconds spent doing I/Os.",
|
|
diskLabelNames, nil,
|
|
)
|
|
|
|
readTimeSecondsDesc = prometheus.NewDesc(
|
|
prometheus.BuildFQName(namespace, diskSubsystem, "read_time_seconds_total"),
|
|
"The total number of seconds spent by all reads.",
|
|
diskLabelNames,
|
|
nil,
|
|
)
|
|
|
|
writeTimeSecondsDesc = prometheus.NewDesc(
|
|
prometheus.BuildFQName(namespace, diskSubsystem, "write_time_seconds_total"),
|
|
"This is the total number of seconds spent by all writes.",
|
|
diskLabelNames,
|
|
nil,
|
|
)
|
|
)
|
|
|
|
func newDiskstatsDeviceFilter(logger log.Logger) (deviceFilter, error) {
|
|
if *oldDiskstatsDeviceExclude != "" {
|
|
if *diskstatsDeviceExclude == "" {
|
|
level.Warn(logger).Log("msg", "--collector.diskstats.ignored-devices is DEPRECATED and will be removed in 2.0.0, use --collector.diskstats.device-exclude")
|
|
*diskstatsDeviceExclude = *oldDiskstatsDeviceExclude
|
|
} else {
|
|
return deviceFilter{}, errors.New("--collector.diskstats.ignored-devices and --collector.diskstats.device-exclude are mutually exclusive")
|
|
}
|
|
}
|
|
|
|
if *diskstatsDeviceExclude != "" && *diskstatsDeviceInclude != "" {
|
|
return deviceFilter{}, errors.New("device-exclude & device-include are mutually exclusive")
|
|
}
|
|
|
|
if *diskstatsDeviceExclude != "" {
|
|
level.Info(logger).Log("msg", "Parsed flag --collector.diskstats.device-exclude", "flag", *diskstatsDeviceExclude)
|
|
}
|
|
|
|
if *diskstatsDeviceInclude != "" {
|
|
level.Info(logger).Log("msg", "Parsed Flag --collector.diskstats.device-include", "flag", *diskstatsDeviceInclude)
|
|
}
|
|
|
|
return newDeviceFilter(*diskstatsDeviceExclude, *diskstatsDeviceInclude), nil
|
|
}
|