mirror of
https://github.com/prometheus-community/windows_exporter.git
synced 2025-04-18 19:24:05 +03:00
325 lines
13 KiB
Go
325 lines
13 KiB
Go
// SPDX-License-Identifier: Apache-2.0
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//
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// Copyright 2025 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 collector
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import (
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"context"
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"errors"
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"fmt"
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"log/slog"
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"maps"
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"slices"
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"sync"
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gotime "time"
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"github.com/alecthomas/kingpin/v2"
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"github.com/prometheus-community/windows_exporter/internal/collector/ad"
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"github.com/prometheus-community/windows_exporter/internal/collector/adcs"
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"github.com/prometheus-community/windows_exporter/internal/collector/adfs"
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"github.com/prometheus-community/windows_exporter/internal/collector/cache"
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"github.com/prometheus-community/windows_exporter/internal/collector/container"
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"github.com/prometheus-community/windows_exporter/internal/collector/cpu"
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"github.com/prometheus-community/windows_exporter/internal/collector/cpu_info"
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"github.com/prometheus-community/windows_exporter/internal/collector/cs"
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"github.com/prometheus-community/windows_exporter/internal/collector/dfsr"
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"github.com/prometheus-community/windows_exporter/internal/collector/dhcp"
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"github.com/prometheus-community/windows_exporter/internal/collector/diskdrive"
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"github.com/prometheus-community/windows_exporter/internal/collector/dns"
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"github.com/prometheus-community/windows_exporter/internal/collector/exchange"
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"github.com/prometheus-community/windows_exporter/internal/collector/filetime"
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"github.com/prometheus-community/windows_exporter/internal/collector/fsrmquota"
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"github.com/prometheus-community/windows_exporter/internal/collector/hyperv"
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"github.com/prometheus-community/windows_exporter/internal/collector/iis"
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"github.com/prometheus-community/windows_exporter/internal/collector/license"
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"github.com/prometheus-community/windows_exporter/internal/collector/logical_disk"
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"github.com/prometheus-community/windows_exporter/internal/collector/logon"
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"github.com/prometheus-community/windows_exporter/internal/collector/memory"
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"github.com/prometheus-community/windows_exporter/internal/collector/mscluster"
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"github.com/prometheus-community/windows_exporter/internal/collector/msmq"
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"github.com/prometheus-community/windows_exporter/internal/collector/mssql"
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"github.com/prometheus-community/windows_exporter/internal/collector/net"
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"github.com/prometheus-community/windows_exporter/internal/collector/netframework"
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"github.com/prometheus-community/windows_exporter/internal/collector/nps"
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"github.com/prometheus-community/windows_exporter/internal/collector/os"
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"github.com/prometheus-community/windows_exporter/internal/collector/pagefile"
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"github.com/prometheus-community/windows_exporter/internal/collector/performancecounter"
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"github.com/prometheus-community/windows_exporter/internal/collector/physical_disk"
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"github.com/prometheus-community/windows_exporter/internal/collector/printer"
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"github.com/prometheus-community/windows_exporter/internal/collector/process"
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"github.com/prometheus-community/windows_exporter/internal/collector/remote_fx"
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"github.com/prometheus-community/windows_exporter/internal/collector/scheduled_task"
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"github.com/prometheus-community/windows_exporter/internal/collector/service"
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"github.com/prometheus-community/windows_exporter/internal/collector/smb"
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"github.com/prometheus-community/windows_exporter/internal/collector/smbclient"
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"github.com/prometheus-community/windows_exporter/internal/collector/smtp"
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"github.com/prometheus-community/windows_exporter/internal/collector/system"
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"github.com/prometheus-community/windows_exporter/internal/collector/tcp"
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"github.com/prometheus-community/windows_exporter/internal/collector/terminal_services"
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"github.com/prometheus-community/windows_exporter/internal/collector/textfile"
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"github.com/prometheus-community/windows_exporter/internal/collector/thermalzone"
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"github.com/prometheus-community/windows_exporter/internal/collector/time"
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"github.com/prometheus-community/windows_exporter/internal/collector/udp"
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"github.com/prometheus-community/windows_exporter/internal/collector/update"
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"github.com/prometheus-community/windows_exporter/internal/collector/vmware"
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"github.com/prometheus-community/windows_exporter/internal/mi"
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"github.com/prometheus-community/windows_exporter/internal/pdh"
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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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// NewWithFlags To be called by the exporter for collector initialization before running kingpin.Parse.
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func NewWithFlags(app *kingpin.Application) *Collection {
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collectors := map[string]Collector{}
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for name, builder := range BuildersWithFlags {
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collectors[name] = builder(app)
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}
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return New(collectors)
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}
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// NewWithConfig To be called by the external libraries for collector initialization without running [kingpin.Parse].
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//
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//goland:noinspection GoUnusedExportedFunction
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func NewWithConfig(config Config) *Collection {
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collectors := Map{}
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collectors[ad.Name] = ad.New(&config.AD)
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collectors[adcs.Name] = adcs.New(&config.ADCS)
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collectors[adfs.Name] = adfs.New(&config.ADFS)
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collectors[cache.Name] = cache.New(&config.Cache)
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collectors[container.Name] = container.New(&config.Container)
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collectors[cpu.Name] = cpu.New(&config.CPU)
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collectors[cpu_info.Name] = cpu_info.New(&config.CPUInfo)
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collectors[cs.Name] = cs.New(&config.Cs)
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collectors[dfsr.Name] = dfsr.New(&config.DFSR)
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collectors[dhcp.Name] = dhcp.New(&config.Dhcp)
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collectors[diskdrive.Name] = diskdrive.New(&config.DiskDrive)
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collectors[dns.Name] = dns.New(&config.DNS)
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collectors[exchange.Name] = exchange.New(&config.Exchange)
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collectors[filetime.Name] = filetime.New(&config.Filetime)
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collectors[fsrmquota.Name] = fsrmquota.New(&config.Fsrmquota)
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collectors[hyperv.Name] = hyperv.New(&config.HyperV)
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collectors[iis.Name] = iis.New(&config.IIS)
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collectors[license.Name] = license.New(&config.License)
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collectors[logical_disk.Name] = logical_disk.New(&config.LogicalDisk)
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collectors[logon.Name] = logon.New(&config.Logon)
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collectors[memory.Name] = memory.New(&config.Memory)
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collectors[mscluster.Name] = mscluster.New(&config.MSCluster)
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collectors[msmq.Name] = msmq.New(&config.Msmq)
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collectors[mssql.Name] = mssql.New(&config.Mssql)
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collectors[net.Name] = net.New(&config.Net)
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collectors[netframework.Name] = netframework.New(&config.NetFramework)
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collectors[nps.Name] = nps.New(&config.Nps)
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collectors[os.Name] = os.New(&config.OS)
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collectors[pagefile.Name] = pagefile.New(&config.Paging)
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collectors[performancecounter.Name] = performancecounter.New(&config.PerformanceCounter)
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collectors[physical_disk.Name] = physical_disk.New(&config.PhysicalDisk)
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collectors[printer.Name] = printer.New(&config.Printer)
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collectors[process.Name] = process.New(&config.Process)
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collectors[remote_fx.Name] = remote_fx.New(&config.RemoteFx)
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collectors[scheduled_task.Name] = scheduled_task.New(&config.ScheduledTask)
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collectors[service.Name] = service.New(&config.Service)
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collectors[smb.Name] = smb.New(&config.SMB)
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collectors[smbclient.Name] = smbclient.New(&config.SMBClient)
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collectors[smtp.Name] = smtp.New(&config.SMTP)
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collectors[system.Name] = system.New(&config.System)
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collectors[tcp.Name] = tcp.New(&config.TCP)
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collectors[terminal_services.Name] = terminal_services.New(&config.TerminalServices)
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collectors[textfile.Name] = textfile.New(&config.Textfile)
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collectors[thermalzone.Name] = thermalzone.New(&config.ThermalZone)
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collectors[time.Name] = time.New(&config.Time)
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collectors[udp.Name] = udp.New(&config.UDP)
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collectors[update.Name] = update.New(&config.Update)
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collectors[vmware.Name] = vmware.New(&config.Vmware)
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return New(collectors)
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}
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// New To be called by the external libraries for collector initialization.
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func New(collectors Map) *Collection {
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return &Collection{
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collectors: collectors,
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concurrencyCh: make(chan struct{}, 1),
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scrapeDurationDesc: prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, "exporter", "scrape_duration_seconds"),
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"windows_exporter: Total scrape duration.",
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nil,
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nil,
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),
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collectorScrapeDurationDesc: prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, "exporter", "collector_duration_seconds"),
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"windows_exporter: Duration of a collection.",
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[]string{"collector"},
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nil,
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),
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collectorScrapeSuccessDesc: prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, "exporter", "collector_success"),
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"windows_exporter: Whether the collector was successful.",
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[]string{"collector"},
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nil,
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),
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collectorScrapeTimeoutDesc: prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, "exporter", "collector_timeout"),
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"windows_exporter: Whether the collector timed out.",
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[]string{"collector"},
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nil,
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),
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}
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}
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// Enable removes all collectors that not enabledCollectors.
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func (c *Collection) Enable(enabledCollectors []string) error {
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for _, name := range enabledCollectors {
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if _, ok := c.collectors[name]; !ok {
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return fmt.Errorf("unknown collector %s", name)
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}
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}
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for name := range c.collectors {
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if !slices.Contains(enabledCollectors, name) {
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delete(c.collectors, name)
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}
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}
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return nil
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}
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// Build To be called by the exporter for collector initialization.
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// Instead, fail fast, it will try to build all collectors and return all errors.
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// errors are joined with errors.Join.
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func (c *Collection) Build(ctx context.Context, logger *slog.Logger) error {
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c.startTime = gotime.Now()
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err := c.initMI()
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if err != nil {
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return fmt.Errorf("error from initialize MI: %w", err)
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}
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wg := sync.WaitGroup{}
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wg.Add(len(c.collectors))
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errCh := make(chan error, len(c.collectors))
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for _, collector := range c.collectors {
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go func() {
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defer wg.Done()
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if err = collector.Build(logger, c.miSession); err != nil {
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errCh <- fmt.Errorf("error build collector %s: %w", collector.GetName(), err)
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}
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}()
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}
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wg.Wait()
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close(errCh)
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errs := make([]error, 0, len(c.collectors))
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for err := range errCh {
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if errors.Is(err, pdh.ErrNoData) ||
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errors.Is(err, registry.ErrNotExist) ||
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errors.Is(err, pdh.NewPdhError(pdh.CstatusNoObject)) ||
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errors.Is(err, pdh.NewPdhError(pdh.CstatusNoCounter)) ||
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errors.Is(err, mi.MI_RESULT_INVALID_NAMESPACE) {
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logger.LogAttrs(ctx, slog.LevelWarn, "couldn't initialize collector", slog.Any("err", err))
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continue
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}
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errs = append(errs, err)
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}
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return errors.Join(errs...)
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}
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// Close To be called by the exporter for collector cleanup.
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func (c *Collection) Close() error {
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errs := make([]error, 0, len(c.collectors))
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for _, collector := range c.collectors {
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if err := collector.Close(); err != nil {
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errs = append(errs, fmt.Errorf("error from close collector %s: %w", collector.GetName(), err))
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}
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}
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app, err := c.miSession.GetApplication()
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if err != nil && !errors.Is(err, mi.ErrNotInitialized) {
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errs = append(errs, fmt.Errorf("error from get MI application: %w", err))
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}
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if err := c.miSession.Close(); err != nil && !errors.Is(err, mi.ErrNotInitialized) {
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errs = append(errs, fmt.Errorf("error from close MI session: %w", err))
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}
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if err := app.Close(); err != nil && !errors.Is(err, mi.ErrNotInitialized) {
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errs = append(errs, fmt.Errorf("error from close MI application: %w", err))
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}
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return errors.Join(errs...)
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}
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// initMI To be called by the exporter for collector initialization.
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func (c *Collection) initMI() error {
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app, err := mi.ApplicationInitialize()
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if err != nil {
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return fmt.Errorf("error from initialize MI application: %w", err)
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}
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destinationOptions, err := app.NewDestinationOptions()
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if err != nil {
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return fmt.Errorf("error from create NewDestinationOptions: %w", err)
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}
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if err = destinationOptions.SetLocale(mi.LocaleEnglish); err != nil {
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return fmt.Errorf("error from set locale: %w", err)
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}
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c.miSession, err = app.NewSession(destinationOptions)
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if err != nil {
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return fmt.Errorf("error from create NewSession: %w", err)
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}
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return nil
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}
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// WithCollectors To be called by the exporter for collector initialization.
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func (c *Collection) WithCollectors(collectors []string) (*Collection, error) {
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metricCollectors := &Collection{
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miSession: c.miSession,
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startTime: c.startTime,
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concurrencyCh: c.concurrencyCh,
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scrapeDurationDesc: c.scrapeDurationDesc,
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collectorScrapeDurationDesc: c.collectorScrapeDurationDesc,
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collectorScrapeSuccessDesc: c.collectorScrapeSuccessDesc,
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collectorScrapeTimeoutDesc: c.collectorScrapeTimeoutDesc,
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collectors: maps.Clone(c.collectors),
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}
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if err := metricCollectors.Enable(collectors); err != nil {
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return nil, err
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}
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return metricCollectors, nil
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}
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func (c *Collection) GetStartTime() gotime.Time {
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return c.startTime
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}
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