mirror of
https://github.com/prometheus-community/windows_exporter.git
synced 2025-04-18 19:24:05 +03:00
382 lines
10 KiB
Go
382 lines
10 KiB
Go
// Copyright 2024 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 windows
|
|
|
|
package os
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
"log/slog"
|
|
"strconv"
|
|
"strings"
|
|
"time"
|
|
|
|
"github.com/alecthomas/kingpin/v2"
|
|
"github.com/prometheus-community/windows_exporter/internal/headers/kernel32"
|
|
"github.com/prometheus-community/windows_exporter/internal/headers/netapi32"
|
|
"github.com/prometheus-community/windows_exporter/internal/headers/sysinfoapi"
|
|
"github.com/prometheus-community/windows_exporter/internal/mi"
|
|
"github.com/prometheus-community/windows_exporter/internal/types"
|
|
"github.com/prometheus/client_golang/prometheus"
|
|
"golang.org/x/sys/windows"
|
|
"golang.org/x/sys/windows/registry"
|
|
)
|
|
|
|
const Name = "os"
|
|
|
|
type Config struct{}
|
|
|
|
//nolint:gochecknoglobals
|
|
var ConfigDefaults = Config{}
|
|
|
|
// A Collector is a Prometheus Collector for WMI metrics.
|
|
type Collector struct {
|
|
config Config
|
|
|
|
hostname *prometheus.Desc
|
|
osInformation *prometheus.Desc
|
|
|
|
// users
|
|
// Deprecated: Use windows_system_process_limit instead.
|
|
processesLimit *prometheus.Desc
|
|
|
|
// users
|
|
// Deprecated: Use `sum(windows_terminal_services_session_info{state="active"})` instead.
|
|
users *prometheus.Desc
|
|
|
|
// physicalMemoryFreeBytes
|
|
// Deprecated: Use windows_memory_physical_free_bytes instead.
|
|
physicalMemoryFreeBytes *prometheus.Desc
|
|
|
|
// processMemoryLimitBytes
|
|
// Deprecated: Use windows_memory_process_memory_limit_bytes instead.
|
|
processMemoryLimitBytes *prometheus.Desc
|
|
|
|
// time
|
|
// Deprecated: Use windows_time_current_timestamp_seconds instead.
|
|
time *prometheus.Desc
|
|
// timezone
|
|
// Deprecated: Use windows_time_timezone instead.
|
|
timezone *prometheus.Desc
|
|
// virtualMemoryBytes
|
|
// Deprecated: Use windows_memory_commit_limit instead.
|
|
virtualMemoryBytes *prometheus.Desc
|
|
// virtualMemoryFreeBytes
|
|
// Deprecated: Use windows_memory_commit_limit instead.
|
|
virtualMemoryFreeBytes *prometheus.Desc
|
|
// visibleMemoryBytes
|
|
// Deprecated: Use windows_memory_physical_total_bytes instead.
|
|
visibleMemoryBytes *prometheus.Desc
|
|
}
|
|
|
|
func New(config *Config) *Collector {
|
|
if config == nil {
|
|
config = &ConfigDefaults
|
|
}
|
|
|
|
c := &Collector{
|
|
config: *config,
|
|
}
|
|
|
|
return c
|
|
}
|
|
|
|
func NewWithFlags(_ *kingpin.Application) *Collector {
|
|
return &Collector{}
|
|
}
|
|
|
|
func (c *Collector) GetName() string {
|
|
return Name
|
|
}
|
|
|
|
func (c *Collector) Close() error {
|
|
return nil
|
|
}
|
|
|
|
func (c *Collector) Build(logger *slog.Logger, _ *mi.Session) error {
|
|
logger.Warn("The os collector holds a number of deprecated metrics and will be removed mid 2025. "+
|
|
"See https://github.com/prometheus-community/windows_exporter/pull/1596 for more information.",
|
|
slog.String("collector", Name),
|
|
)
|
|
|
|
productName, revision, err := c.getWindowsVersion()
|
|
if err != nil {
|
|
return fmt.Errorf("failed to get Windows version: %w", err)
|
|
}
|
|
|
|
version := windows.RtlGetVersion()
|
|
|
|
// Microsoft has decided to keep the major version as "10" for Windows 11, including the product name.
|
|
if version.BuildNumber >= 22000 {
|
|
productName = strings.Replace(productName, " 10 ", " 11 ", 1)
|
|
}
|
|
|
|
c.osInformation = prometheus.NewDesc(
|
|
prometheus.BuildFQName(types.Namespace, Name, "info"),
|
|
`Contains full product name & version in labels. Note that the "major_version" for Windows 11 is \"10\"; a build number greater than 22000 represents Windows 11.`,
|
|
nil,
|
|
prometheus.Labels{
|
|
"product": productName,
|
|
"version": fmt.Sprintf("%d.%d.%d", version.MajorVersion, version.MinorVersion, version.BuildNumber),
|
|
"major_version": strconv.FormatUint(uint64(version.MajorVersion), 10),
|
|
"minor_version": strconv.FormatUint(uint64(version.MinorVersion), 10),
|
|
"build_number": strconv.FormatUint(uint64(version.BuildNumber), 10),
|
|
"revision": revision,
|
|
},
|
|
)
|
|
|
|
c.hostname = prometheus.NewDesc(
|
|
prometheus.BuildFQName(types.Namespace, Name, "hostname"),
|
|
"Labelled system hostname information as provided by ComputerSystem.DNSHostName and ComputerSystem.Domain",
|
|
[]string{
|
|
"hostname",
|
|
"domain",
|
|
"fqdn",
|
|
},
|
|
nil,
|
|
)
|
|
c.physicalMemoryFreeBytes = prometheus.NewDesc(
|
|
prometheus.BuildFQName(types.Namespace, Name, "physical_memory_free_bytes"),
|
|
"Deprecated: Use `windows_memory_physical_free_bytes` instead.",
|
|
nil,
|
|
nil,
|
|
)
|
|
c.time = prometheus.NewDesc(
|
|
prometheus.BuildFQName(types.Namespace, Name, "time"),
|
|
"Deprecated: Use windows_time_current_timestamp_seconds instead.",
|
|
nil,
|
|
nil,
|
|
)
|
|
c.timezone = prometheus.NewDesc(
|
|
prometheus.BuildFQName(types.Namespace, Name, "timezone"),
|
|
"Deprecated: Use windows_time_timezone instead.",
|
|
[]string{"timezone"},
|
|
nil,
|
|
)
|
|
|
|
c.processesLimit = prometheus.NewDesc(
|
|
prometheus.BuildFQName(types.Namespace, Name, "processes_limit"),
|
|
"Deprecated: Use `windows_system_process_limit` instead.",
|
|
nil,
|
|
nil,
|
|
)
|
|
c.processMemoryLimitBytes = prometheus.NewDesc(
|
|
prometheus.BuildFQName(types.Namespace, Name, "process_memory_limit_bytes"),
|
|
"Deprecated: Use `windows_memory_process_memory_limit_bytes` instead.",
|
|
nil,
|
|
nil,
|
|
)
|
|
c.users = prometheus.NewDesc(
|
|
prometheus.BuildFQName(types.Namespace, Name, "users"),
|
|
"Deprecated: Use `sum(windows_terminal_services_session_info{state=\"active\"})` instead.",
|
|
nil,
|
|
nil,
|
|
)
|
|
c.virtualMemoryBytes = prometheus.NewDesc(
|
|
prometheus.BuildFQName(types.Namespace, Name, "virtual_memory_bytes"),
|
|
"Deprecated: Use `windows_memory_commit_limit` instead.",
|
|
nil,
|
|
nil,
|
|
)
|
|
c.visibleMemoryBytes = prometheus.NewDesc(
|
|
prometheus.BuildFQName(types.Namespace, Name, "visible_memory_bytes"),
|
|
"Deprecated: Use `windows_memory_physical_total_bytes` instead.",
|
|
nil,
|
|
nil,
|
|
)
|
|
c.virtualMemoryFreeBytes = prometheus.NewDesc(
|
|
prometheus.BuildFQName(types.Namespace, Name, "virtual_memory_free_bytes"),
|
|
"Deprecated: Use `windows_memory_commit_limit - windows_memory_committed_bytes` instead.",
|
|
nil,
|
|
nil,
|
|
)
|
|
|
|
return nil
|
|
}
|
|
|
|
// Collect sends the metric values for each metric
|
|
// to the provided prometheus Metric channel.
|
|
func (c *Collector) Collect(ch chan<- prometheus.Metric) error {
|
|
errs := make([]error, 0, 4)
|
|
|
|
c.collect(ch)
|
|
|
|
if err := c.collectHostname(ch); err != nil {
|
|
errs = append(errs, fmt.Errorf("failed to collect hostname metrics: %w", err))
|
|
}
|
|
|
|
if err := c.collectLoggedInUserCount(ch); err != nil {
|
|
errs = append(errs, fmt.Errorf("failed to collect user count metrics: %w", err))
|
|
}
|
|
|
|
if err := c.collectMemory(ch); err != nil {
|
|
errs = append(errs, fmt.Errorf("failed to collect memory metrics: %w", err))
|
|
}
|
|
|
|
if err := c.collectTime(ch); err != nil {
|
|
errs = append(errs, fmt.Errorf("failed to collect time metrics: %w", err))
|
|
}
|
|
|
|
return errors.Join(errs...)
|
|
}
|
|
|
|
func (c *Collector) collectLoggedInUserCount(ch chan<- prometheus.Metric) error {
|
|
workstationInfo, err := netapi32.GetWorkstationInfo()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
ch <- prometheus.MustNewConstMetric(
|
|
c.users,
|
|
prometheus.GaugeValue,
|
|
float64(workstationInfo.LoggedOnUsers),
|
|
)
|
|
|
|
return nil
|
|
}
|
|
|
|
func (c *Collector) collectHostname(ch chan<- prometheus.Metric) error {
|
|
hostname, err := sysinfoapi.GetComputerName(sysinfoapi.ComputerNameDNSHostname)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
domain, err := sysinfoapi.GetComputerName(sysinfoapi.ComputerNameDNSDomain)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
fqdn, err := sysinfoapi.GetComputerName(sysinfoapi.ComputerNameDNSFullyQualified)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
ch <- prometheus.MustNewConstMetric(
|
|
c.hostname,
|
|
prometheus.GaugeValue,
|
|
1.0,
|
|
hostname,
|
|
domain,
|
|
fqdn,
|
|
)
|
|
|
|
return nil
|
|
}
|
|
|
|
func (c *Collector) collectTime(ch chan<- prometheus.Metric) error {
|
|
timeZoneInfo, err := kernel32.GetDynamicTimeZoneInformation()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
// timeZoneKeyName contains the english name of the timezone.
|
|
timezoneName := windows.UTF16ToString(timeZoneInfo.TimeZoneKeyName[:])
|
|
|
|
ch <- prometheus.MustNewConstMetric(
|
|
c.time,
|
|
prometheus.GaugeValue,
|
|
float64(time.Now().Unix()),
|
|
)
|
|
|
|
ch <- prometheus.MustNewConstMetric(
|
|
c.timezone,
|
|
prometheus.GaugeValue,
|
|
1.0,
|
|
timezoneName,
|
|
)
|
|
|
|
return nil
|
|
}
|
|
|
|
func (c *Collector) collectMemory(ch chan<- prometheus.Metric) error {
|
|
memoryStatusEx, err := sysinfoapi.GlobalMemoryStatusEx()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
ch <- prometheus.MustNewConstMetric(
|
|
c.physicalMemoryFreeBytes,
|
|
prometheus.GaugeValue,
|
|
float64(memoryStatusEx.AvailPhys),
|
|
)
|
|
|
|
ch <- prometheus.MustNewConstMetric(
|
|
c.virtualMemoryFreeBytes,
|
|
prometheus.GaugeValue,
|
|
float64(memoryStatusEx.AvailPageFile),
|
|
)
|
|
|
|
ch <- prometheus.MustNewConstMetric(
|
|
c.virtualMemoryBytes,
|
|
prometheus.GaugeValue,
|
|
float64(memoryStatusEx.TotalPageFile),
|
|
)
|
|
|
|
ch <- prometheus.MustNewConstMetric(
|
|
c.visibleMemoryBytes,
|
|
prometheus.GaugeValue,
|
|
float64(memoryStatusEx.TotalPhys),
|
|
)
|
|
|
|
ch <- prometheus.MustNewConstMetric(
|
|
c.processMemoryLimitBytes,
|
|
prometheus.GaugeValue,
|
|
float64(memoryStatusEx.TotalVirtual),
|
|
)
|
|
|
|
return nil
|
|
}
|
|
|
|
func (c *Collector) collect(ch chan<- prometheus.Metric) {
|
|
ch <- prometheus.MustNewConstMetric(
|
|
c.osInformation,
|
|
prometheus.GaugeValue,
|
|
1.0,
|
|
)
|
|
|
|
// Windows has no defined limit, and is based off available resources. This currently isn't calculated by WMI and is set to default value.
|
|
// https://techcommunity.microsoft.com/t5/windows-blog-archive/pushing-the-limits-of-windows-processes-and-threads/ba-p/723824
|
|
// https://docs.microsoft.com/en-us/windows/win32/cimwin32prov/win32-operatingsystem
|
|
ch <- prometheus.MustNewConstMetric(
|
|
c.processesLimit,
|
|
prometheus.GaugeValue,
|
|
float64(4294967295),
|
|
)
|
|
}
|
|
|
|
func (c *Collector) getWindowsVersion() (string, string, error) {
|
|
// Get build number and product name from registry
|
|
ntKey, err := registry.OpenKey(registry.LOCAL_MACHINE, `SOFTWARE\Microsoft\Windows NT\CurrentVersion`, registry.QUERY_VALUE)
|
|
if err != nil {
|
|
return "", "", fmt.Errorf("failed to open registry key: %w", err)
|
|
}
|
|
|
|
defer ntKey.Close()
|
|
|
|
productName, _, err := ntKey.GetStringValue("ProductName")
|
|
if err != nil {
|
|
return "", "", err
|
|
}
|
|
|
|
revision, _, err := ntKey.GetIntegerValue("UBR")
|
|
if errors.Is(err, registry.ErrNotExist) {
|
|
revision = 0
|
|
} else if err != nil {
|
|
return "", "", err
|
|
}
|
|
|
|
return strings.TrimSpace(productName), strconv.FormatUint(revision, 10), nil
|
|
}
|