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mirror of https://github.com/prometheus-community/windows_exporter.git synced 2025-04-18 19:24:05 +03:00
Jan-Otto Kröpke bf56e99ad2
chore: Update Copyright (#1981)
Signed-off-by: Jan-Otto Kröpke <mail@jkroepke.de>
2025-04-06 11:26:56 +02:00

325 lines
13 KiB
Go

// SPDX-License-Identifier: Apache-2.0
//
// Copyright 2025 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 collector
import (
"context"
"errors"
"fmt"
"log/slog"
"maps"
"slices"
"sync"
gotime "time"
"github.com/alecthomas/kingpin/v2"
"github.com/prometheus-community/windows_exporter/internal/collector/ad"
"github.com/prometheus-community/windows_exporter/internal/collector/adcs"
"github.com/prometheus-community/windows_exporter/internal/collector/adfs"
"github.com/prometheus-community/windows_exporter/internal/collector/cache"
"github.com/prometheus-community/windows_exporter/internal/collector/container"
"github.com/prometheus-community/windows_exporter/internal/collector/cpu"
"github.com/prometheus-community/windows_exporter/internal/collector/cpu_info"
"github.com/prometheus-community/windows_exporter/internal/collector/cs"
"github.com/prometheus-community/windows_exporter/internal/collector/dfsr"
"github.com/prometheus-community/windows_exporter/internal/collector/dhcp"
"github.com/prometheus-community/windows_exporter/internal/collector/diskdrive"
"github.com/prometheus-community/windows_exporter/internal/collector/dns"
"github.com/prometheus-community/windows_exporter/internal/collector/exchange"
"github.com/prometheus-community/windows_exporter/internal/collector/filetime"
"github.com/prometheus-community/windows_exporter/internal/collector/fsrmquota"
"github.com/prometheus-community/windows_exporter/internal/collector/hyperv"
"github.com/prometheus-community/windows_exporter/internal/collector/iis"
"github.com/prometheus-community/windows_exporter/internal/collector/license"
"github.com/prometheus-community/windows_exporter/internal/collector/logical_disk"
"github.com/prometheus-community/windows_exporter/internal/collector/logon"
"github.com/prometheus-community/windows_exporter/internal/collector/memory"
"github.com/prometheus-community/windows_exporter/internal/collector/mscluster"
"github.com/prometheus-community/windows_exporter/internal/collector/msmq"
"github.com/prometheus-community/windows_exporter/internal/collector/mssql"
"github.com/prometheus-community/windows_exporter/internal/collector/net"
"github.com/prometheus-community/windows_exporter/internal/collector/netframework"
"github.com/prometheus-community/windows_exporter/internal/collector/nps"
"github.com/prometheus-community/windows_exporter/internal/collector/os"
"github.com/prometheus-community/windows_exporter/internal/collector/pagefile"
"github.com/prometheus-community/windows_exporter/internal/collector/performancecounter"
"github.com/prometheus-community/windows_exporter/internal/collector/physical_disk"
"github.com/prometheus-community/windows_exporter/internal/collector/printer"
"github.com/prometheus-community/windows_exporter/internal/collector/process"
"github.com/prometheus-community/windows_exporter/internal/collector/remote_fx"
"github.com/prometheus-community/windows_exporter/internal/collector/scheduled_task"
"github.com/prometheus-community/windows_exporter/internal/collector/service"
"github.com/prometheus-community/windows_exporter/internal/collector/smb"
"github.com/prometheus-community/windows_exporter/internal/collector/smbclient"
"github.com/prometheus-community/windows_exporter/internal/collector/smtp"
"github.com/prometheus-community/windows_exporter/internal/collector/system"
"github.com/prometheus-community/windows_exporter/internal/collector/tcp"
"github.com/prometheus-community/windows_exporter/internal/collector/terminal_services"
"github.com/prometheus-community/windows_exporter/internal/collector/textfile"
"github.com/prometheus-community/windows_exporter/internal/collector/thermalzone"
"github.com/prometheus-community/windows_exporter/internal/collector/time"
"github.com/prometheus-community/windows_exporter/internal/collector/udp"
"github.com/prometheus-community/windows_exporter/internal/collector/update"
"github.com/prometheus-community/windows_exporter/internal/collector/vmware"
"github.com/prometheus-community/windows_exporter/internal/mi"
"github.com/prometheus-community/windows_exporter/internal/pdh"
"github.com/prometheus-community/windows_exporter/internal/types"
"github.com/prometheus/client_golang/prometheus"
"golang.org/x/sys/windows/registry"
)
// NewWithFlags To be called by the exporter for collector initialization before running kingpin.Parse.
func NewWithFlags(app *kingpin.Application) *Collection {
collectors := map[string]Collector{}
for name, builder := range BuildersWithFlags {
collectors[name] = builder(app)
}
return New(collectors)
}
// NewWithConfig To be called by the external libraries for collector initialization without running [kingpin.Parse].
//
//goland:noinspection GoUnusedExportedFunction
func NewWithConfig(config Config) *Collection {
collectors := Map{}
collectors[ad.Name] = ad.New(&config.AD)
collectors[adcs.Name] = adcs.New(&config.ADCS)
collectors[adfs.Name] = adfs.New(&config.ADFS)
collectors[cache.Name] = cache.New(&config.Cache)
collectors[container.Name] = container.New(&config.Container)
collectors[cpu.Name] = cpu.New(&config.CPU)
collectors[cpu_info.Name] = cpu_info.New(&config.CPUInfo)
collectors[cs.Name] = cs.New(&config.Cs)
collectors[dfsr.Name] = dfsr.New(&config.DFSR)
collectors[dhcp.Name] = dhcp.New(&config.Dhcp)
collectors[diskdrive.Name] = diskdrive.New(&config.DiskDrive)
collectors[dns.Name] = dns.New(&config.DNS)
collectors[exchange.Name] = exchange.New(&config.Exchange)
collectors[filetime.Name] = filetime.New(&config.Filetime)
collectors[fsrmquota.Name] = fsrmquota.New(&config.Fsrmquota)
collectors[hyperv.Name] = hyperv.New(&config.HyperV)
collectors[iis.Name] = iis.New(&config.IIS)
collectors[license.Name] = license.New(&config.License)
collectors[logical_disk.Name] = logical_disk.New(&config.LogicalDisk)
collectors[logon.Name] = logon.New(&config.Logon)
collectors[memory.Name] = memory.New(&config.Memory)
collectors[mscluster.Name] = mscluster.New(&config.MSCluster)
collectors[msmq.Name] = msmq.New(&config.Msmq)
collectors[mssql.Name] = mssql.New(&config.Mssql)
collectors[net.Name] = net.New(&config.Net)
collectors[netframework.Name] = netframework.New(&config.NetFramework)
collectors[nps.Name] = nps.New(&config.Nps)
collectors[os.Name] = os.New(&config.OS)
collectors[pagefile.Name] = pagefile.New(&config.Paging)
collectors[performancecounter.Name] = performancecounter.New(&config.PerformanceCounter)
collectors[physical_disk.Name] = physical_disk.New(&config.PhysicalDisk)
collectors[printer.Name] = printer.New(&config.Printer)
collectors[process.Name] = process.New(&config.Process)
collectors[remote_fx.Name] = remote_fx.New(&config.RemoteFx)
collectors[scheduled_task.Name] = scheduled_task.New(&config.ScheduledTask)
collectors[service.Name] = service.New(&config.Service)
collectors[smb.Name] = smb.New(&config.SMB)
collectors[smbclient.Name] = smbclient.New(&config.SMBClient)
collectors[smtp.Name] = smtp.New(&config.SMTP)
collectors[system.Name] = system.New(&config.System)
collectors[tcp.Name] = tcp.New(&config.TCP)
collectors[terminal_services.Name] = terminal_services.New(&config.TerminalServices)
collectors[textfile.Name] = textfile.New(&config.Textfile)
collectors[thermalzone.Name] = thermalzone.New(&config.ThermalZone)
collectors[time.Name] = time.New(&config.Time)
collectors[udp.Name] = udp.New(&config.UDP)
collectors[update.Name] = update.New(&config.Update)
collectors[vmware.Name] = vmware.New(&config.Vmware)
return New(collectors)
}
// New To be called by the external libraries for collector initialization.
func New(collectors Map) *Collection {
return &Collection{
collectors: collectors,
concurrencyCh: make(chan struct{}, 1),
scrapeDurationDesc: prometheus.NewDesc(
prometheus.BuildFQName(types.Namespace, "exporter", "scrape_duration_seconds"),
"windows_exporter: Total scrape duration.",
nil,
nil,
),
collectorScrapeDurationDesc: prometheus.NewDesc(
prometheus.BuildFQName(types.Namespace, "exporter", "collector_duration_seconds"),
"windows_exporter: Duration of a collection.",
[]string{"collector"},
nil,
),
collectorScrapeSuccessDesc: prometheus.NewDesc(
prometheus.BuildFQName(types.Namespace, "exporter", "collector_success"),
"windows_exporter: Whether the collector was successful.",
[]string{"collector"},
nil,
),
collectorScrapeTimeoutDesc: prometheus.NewDesc(
prometheus.BuildFQName(types.Namespace, "exporter", "collector_timeout"),
"windows_exporter: Whether the collector timed out.",
[]string{"collector"},
nil,
),
}
}
// Enable removes all collectors that not enabledCollectors.
func (c *Collection) Enable(enabledCollectors []string) error {
for _, name := range enabledCollectors {
if _, ok := c.collectors[name]; !ok {
return fmt.Errorf("unknown collector %s", name)
}
}
for name := range c.collectors {
if !slices.Contains(enabledCollectors, name) {
delete(c.collectors, name)
}
}
return nil
}
// Build To be called by the exporter for collector initialization.
// Instead, fail fast, it will try to build all collectors and return all errors.
// errors are joined with errors.Join.
func (c *Collection) Build(ctx context.Context, logger *slog.Logger) error {
c.startTime = gotime.Now()
err := c.initMI()
if err != nil {
return fmt.Errorf("error from initialize MI: %w", err)
}
wg := sync.WaitGroup{}
wg.Add(len(c.collectors))
errCh := make(chan error, len(c.collectors))
for _, collector := range c.collectors {
go func() {
defer wg.Done()
if err = collector.Build(logger, c.miSession); err != nil {
errCh <- fmt.Errorf("error build collector %s: %w", collector.GetName(), err)
}
}()
}
wg.Wait()
close(errCh)
errs := make([]error, 0, len(c.collectors))
for err := range errCh {
if errors.Is(err, pdh.ErrNoData) ||
errors.Is(err, registry.ErrNotExist) ||
errors.Is(err, pdh.NewPdhError(pdh.CstatusNoObject)) ||
errors.Is(err, pdh.NewPdhError(pdh.CstatusNoCounter)) ||
errors.Is(err, mi.MI_RESULT_INVALID_NAMESPACE) {
logger.LogAttrs(ctx, slog.LevelWarn, "couldn't initialize collector", slog.Any("err", err))
continue
}
errs = append(errs, err)
}
return errors.Join(errs...)
}
// Close To be called by the exporter for collector cleanup.
func (c *Collection) Close() error {
errs := make([]error, 0, len(c.collectors))
for _, collector := range c.collectors {
if err := collector.Close(); err != nil {
errs = append(errs, fmt.Errorf("error from close collector %s: %w", collector.GetName(), err))
}
}
app, err := c.miSession.GetApplication()
if err != nil && !errors.Is(err, mi.ErrNotInitialized) {
errs = append(errs, fmt.Errorf("error from get MI application: %w", err))
}
if err := c.miSession.Close(); err != nil && !errors.Is(err, mi.ErrNotInitialized) {
errs = append(errs, fmt.Errorf("error from close MI session: %w", err))
}
if err := app.Close(); err != nil && !errors.Is(err, mi.ErrNotInitialized) {
errs = append(errs, fmt.Errorf("error from close MI application: %w", err))
}
return errors.Join(errs...)
}
// initMI To be called by the exporter for collector initialization.
func (c *Collection) initMI() error {
app, err := mi.ApplicationInitialize()
if err != nil {
return fmt.Errorf("error from initialize MI application: %w", err)
}
destinationOptions, err := app.NewDestinationOptions()
if err != nil {
return fmt.Errorf("error from create NewDestinationOptions: %w", err)
}
if err = destinationOptions.SetLocale(mi.LocaleEnglish); err != nil {
return fmt.Errorf("error from set locale: %w", err)
}
c.miSession, err = app.NewSession(destinationOptions)
if err != nil {
return fmt.Errorf("error from create NewSession: %w", err)
}
return nil
}
// WithCollectors To be called by the exporter for collector initialization.
func (c *Collection) WithCollectors(collectors []string) (*Collection, error) {
metricCollectors := &Collection{
miSession: c.miSession,
startTime: c.startTime,
concurrencyCh: c.concurrencyCh,
scrapeDurationDesc: c.scrapeDurationDesc,
collectorScrapeDurationDesc: c.collectorScrapeDurationDesc,
collectorScrapeSuccessDesc: c.collectorScrapeSuccessDesc,
collectorScrapeTimeoutDesc: c.collectorScrapeTimeoutDesc,
collectors: maps.Clone(c.collectors),
}
if err := metricCollectors.Enable(collectors); err != nil {
return nil, err
}
return metricCollectors, nil
}
func (c *Collection) GetStartTime() gotime.Time {
return c.startTime
}