346 lines
8.2 KiB
Go
346 lines
8.2 KiB
Go
//go:build windows
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// +build windows
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package collector
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import (
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"errors"
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"github.com/go-kit/log"
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"github.com/go-kit/log/level"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/yusufpapurcu/wmi"
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)
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// A VmwareCollector is a Prometheus collector for WMI Win32_PerfRawData_vmGuestLib_VMem/Win32_PerfRawData_vmGuestLib_VCPU metrics
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type VmwareCollector struct {
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logger log.Logger
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MemActive *prometheus.Desc
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MemBallooned *prometheus.Desc
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MemLimit *prometheus.Desc
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MemMapped *prometheus.Desc
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MemOverhead *prometheus.Desc
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MemReservation *prometheus.Desc
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MemShared *prometheus.Desc
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MemSharedSaved *prometheus.Desc
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MemShares *prometheus.Desc
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MemSwapped *prometheus.Desc
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MemTargetSize *prometheus.Desc
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MemUsed *prometheus.Desc
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CpuLimitMHz *prometheus.Desc
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CpuReservationMHz *prometheus.Desc
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CpuShares *prometheus.Desc
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CpuStolenTotal *prometheus.Desc
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CpuTimeTotal *prometheus.Desc
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EffectiveVMSpeedMHz *prometheus.Desc
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HostProcessorSpeedMHz *prometheus.Desc
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}
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// newVmwareCollector constructs a new VmwareCollector
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func newVmwareCollector(logger log.Logger) (Collector, error) {
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const subsystem = "vmware"
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return &VmwareCollector{
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logger: log.With(logger, "collector", subsystem),
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MemActive: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "mem_active_bytes"),
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"(MemActiveMB)",
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nil,
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nil,
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),
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MemBallooned: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "mem_ballooned_bytes"),
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"(MemBalloonedMB)",
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nil,
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nil,
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),
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MemLimit: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "mem_limit_bytes"),
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"(MemLimitMB)",
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nil,
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nil,
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),
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MemMapped: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "mem_mapped_bytes"),
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"(MemMappedMB)",
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nil,
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nil,
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),
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MemOverhead: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "mem_overhead_bytes"),
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"(MemOverheadMB)",
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nil,
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nil,
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),
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MemReservation: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "mem_reservation_bytes"),
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"(MemReservationMB)",
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nil,
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nil,
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),
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MemShared: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "mem_shared_bytes"),
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"(MemSharedMB)",
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nil,
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nil,
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),
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MemSharedSaved: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "mem_shared_saved_bytes"),
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"(MemSharedSavedMB)",
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nil,
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nil,
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),
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MemShares: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "mem_shares"),
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"(MemShares)",
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nil,
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nil,
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),
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MemSwapped: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "mem_swapped_bytes"),
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"(MemSwappedMB)",
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nil,
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nil,
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),
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MemTargetSize: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "mem_target_size_bytes"),
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"(MemTargetSizeMB)",
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nil,
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nil,
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),
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MemUsed: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "mem_used_bytes"),
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"(MemUsedMB)",
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nil,
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nil,
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),
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CpuLimitMHz: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "cpu_limit_mhz"),
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"(CpuLimitMHz)",
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nil,
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nil,
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),
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CpuReservationMHz: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "cpu_reservation_mhz"),
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"(CpuReservationMHz)",
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nil,
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nil,
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),
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CpuShares: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "cpu_shares"),
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"(CpuShares)",
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nil,
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nil,
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),
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CpuStolenTotal: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "cpu_stolen_seconds_total"),
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"(CpuStolenMs)",
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nil,
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nil,
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),
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CpuTimeTotal: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "cpu_time_seconds_total"),
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"(CpuTimePercents)",
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nil,
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nil,
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),
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EffectiveVMSpeedMHz: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "effective_vm_speed_mhz"),
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"(EffectiveVMSpeedMHz)",
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nil,
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nil,
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),
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HostProcessorSpeedMHz: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "host_processor_speed_mhz"),
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"(HostProcessorSpeedMHz)",
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nil,
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nil,
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),
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}, nil
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}
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// Collect sends the metric values for each metric
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// to the provided prometheus Metric channel.
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func (c *VmwareCollector) Collect(ctx *ScrapeContext, ch chan<- prometheus.Metric) error {
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if desc, err := c.collectMem(ch); err != nil {
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level.Error(c.logger).Log("failed collecting vmware memory metrics", "desc", desc, "err", err)
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return err
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}
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if desc, err := c.collectCpu(ch); err != nil {
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level.Error(c.logger).Log("failed collecting vmware cpu metrics", "desc", desc, "err", err)
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return err
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}
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return nil
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}
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type Win32_PerfRawData_vmGuestLib_VMem struct {
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MemActiveMB uint64
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MemBalloonedMB uint64
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MemLimitMB uint64
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MemMappedMB uint64
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MemOverheadMB uint64
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MemReservationMB uint64
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MemSharedMB uint64
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MemSharedSavedMB uint64
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MemShares uint64
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MemSwappedMB uint64
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MemTargetSizeMB uint64
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MemUsedMB uint64
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}
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type Win32_PerfRawData_vmGuestLib_VCPU struct {
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CpuLimitMHz uint64
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CpuReservationMHz uint64
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CpuShares uint64
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CpuStolenMs uint64
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CpuTimePercents uint64
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EffectiveVMSpeedMHz uint64
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HostProcessorSpeedMHz uint64
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}
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func (c *VmwareCollector) collectMem(ch chan<- prometheus.Metric) (*prometheus.Desc, error) {
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var dst []Win32_PerfRawData_vmGuestLib_VMem
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q := queryAll(&dst, c.logger)
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if err := wmi.Query(q, &dst); err != nil {
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return nil, err
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}
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if len(dst) == 0 {
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return nil, errors.New("WMI query returned empty result set")
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}
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ch <- prometheus.MustNewConstMetric(
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c.MemActive,
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prometheus.GaugeValue,
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mbToBytes(dst[0].MemActiveMB),
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)
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ch <- prometheus.MustNewConstMetric(
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c.MemBallooned,
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prometheus.GaugeValue,
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mbToBytes(dst[0].MemBalloonedMB),
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)
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ch <- prometheus.MustNewConstMetric(
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c.MemLimit,
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prometheus.GaugeValue,
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mbToBytes(dst[0].MemLimitMB),
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)
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ch <- prometheus.MustNewConstMetric(
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c.MemMapped,
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prometheus.GaugeValue,
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mbToBytes(dst[0].MemMappedMB),
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)
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ch <- prometheus.MustNewConstMetric(
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c.MemOverhead,
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prometheus.GaugeValue,
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mbToBytes(dst[0].MemOverheadMB),
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)
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ch <- prometheus.MustNewConstMetric(
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c.MemReservation,
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prometheus.GaugeValue,
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mbToBytes(dst[0].MemReservationMB),
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)
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ch <- prometheus.MustNewConstMetric(
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c.MemShared,
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prometheus.GaugeValue,
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mbToBytes(dst[0].MemSharedMB),
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)
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ch <- prometheus.MustNewConstMetric(
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c.MemSharedSaved,
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prometheus.GaugeValue,
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mbToBytes(dst[0].MemSharedSavedMB),
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)
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ch <- prometheus.MustNewConstMetric(
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c.MemShares,
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prometheus.GaugeValue,
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float64(dst[0].MemShares),
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)
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ch <- prometheus.MustNewConstMetric(
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c.MemSwapped,
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prometheus.GaugeValue,
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mbToBytes(dst[0].MemSwappedMB),
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)
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ch <- prometheus.MustNewConstMetric(
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c.MemTargetSize,
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prometheus.GaugeValue,
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mbToBytes(dst[0].MemTargetSizeMB),
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)
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ch <- prometheus.MustNewConstMetric(
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c.MemUsed,
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prometheus.GaugeValue,
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mbToBytes(dst[0].MemUsedMB),
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)
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return nil, nil
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}
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func mbToBytes(mb uint64) float64 {
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return float64(mb * 1024 * 1024)
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}
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func (c *VmwareCollector) collectCpu(ch chan<- prometheus.Metric) (*prometheus.Desc, error) {
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var dst []Win32_PerfRawData_vmGuestLib_VCPU
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q := queryAll(&dst, c.logger)
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if err := wmi.Query(q, &dst); err != nil {
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return nil, err
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}
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if len(dst) == 0 {
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return nil, errors.New("WMI query returned empty result set")
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}
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ch <- prometheus.MustNewConstMetric(
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c.CpuLimitMHz,
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prometheus.GaugeValue,
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float64(dst[0].CpuLimitMHz),
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)
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ch <- prometheus.MustNewConstMetric(
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c.CpuReservationMHz,
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prometheus.GaugeValue,
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float64(dst[0].CpuReservationMHz),
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)
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ch <- prometheus.MustNewConstMetric(
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c.CpuShares,
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prometheus.GaugeValue,
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float64(dst[0].CpuShares),
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)
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ch <- prometheus.MustNewConstMetric(
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c.CpuStolenTotal,
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prometheus.CounterValue,
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float64(dst[0].CpuStolenMs)*ticksToSecondsScaleFactor,
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)
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ch <- prometheus.MustNewConstMetric(
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c.CpuTimeTotal,
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prometheus.CounterValue,
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float64(dst[0].CpuTimePercents)*ticksToSecondsScaleFactor,
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)
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ch <- prometheus.MustNewConstMetric(
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c.EffectiveVMSpeedMHz,
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prometheus.GaugeValue,
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float64(dst[0].EffectiveVMSpeedMHz),
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)
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ch <- prometheus.MustNewConstMetric(
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c.HostProcessorSpeedMHz,
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prometheus.GaugeValue,
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float64(dst[0].HostProcessorSpeedMHz),
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)
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return nil, nil
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}
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