windows_exporter/collector/dhcp.go

385 lines
14 KiB
Go

//go:build windows
// +build windows
package collector
import (
"github.com/prometheus/client_golang/prometheus"
)
// A DhcpCollector is a Prometheus collector perflib DHCP metrics
type DhcpCollector struct {
PacketsReceivedTotal *prometheus.Desc
DuplicatesDroppedTotal *prometheus.Desc
PacketsExpiredTotal *prometheus.Desc
ActiveQueueLength *prometheus.Desc
ConflictCheckQueueLength *prometheus.Desc
DiscoversTotal *prometheus.Desc
OffersTotal *prometheus.Desc
RequestsTotal *prometheus.Desc
InformsTotal *prometheus.Desc
AcksTotal *prometheus.Desc
NacksTotal *prometheus.Desc
DeclinesTotal *prometheus.Desc
ReleasesTotal *prometheus.Desc
OfferQueueLength *prometheus.Desc
DeniedDueToMatch *prometheus.Desc
DeniedDueToNonMatch *prometheus.Desc
FailoverBndupdSentTotal *prometheus.Desc
FailoverBndupdReceivedTotal *prometheus.Desc
FailoverBndackSentTotal *prometheus.Desc
FailoverBndackReceivedTotal *prometheus.Desc
FailoverBndupdPendingOutboundQueue *prometheus.Desc
FailoverTransitionsCommunicationinterruptedState *prometheus.Desc
FailoverTransitionsPartnerdownState *prometheus.Desc
FailoverTransitionsRecoverState *prometheus.Desc
FailoverBndupdDropped *prometheus.Desc
}
func NewDhcpCollector() (Collector, error) {
const subsystem = "dhcp"
return &DhcpCollector{
PacketsReceivedTotal: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "packets_received_total"),
"Total number of packets received by the DHCP server (PacketsReceivedTotal)",
nil,
nil,
),
DuplicatesDroppedTotal: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "duplicates_dropped_total"),
"Total number of duplicate packets received by the DHCP server (DuplicatesDroppedTotal)",
nil,
nil,
),
PacketsExpiredTotal: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "packets_expired_total"),
"Total number of packets expired in the DHCP server message queue (PacketsExpiredTotal)",
nil,
nil,
),
ActiveQueueLength: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "active_queue_length"),
"Number of packets in the processing queue of the DHCP server (ActiveQueueLength)",
nil,
nil,
),
ConflictCheckQueueLength: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "conflict_check_queue_length"),
"Number of packets in the DHCP server queue waiting on conflict detection (ping). (ConflictCheckQueueLength)",
nil,
nil,
),
DiscoversTotal: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "discovers_total"),
"Total DHCP Discovers received by the DHCP server (DiscoversTotal)",
nil,
nil,
),
OffersTotal: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "offers_total"),
"Total DHCP Offers sent by the DHCP server (OffersTotal)",
nil,
nil,
),
RequestsTotal: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "requests_total"),
"Total DHCP Requests received by the DHCP server (RequestsTotal)",
nil,
nil,
),
InformsTotal: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "informs_total"),
"Total DHCP Informs received by the DHCP server (InformsTotal)",
nil,
nil,
),
AcksTotal: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "acks_total"),
"Total DHCP Acks sent by the DHCP server (AcksTotal)",
nil,
nil,
),
NacksTotal: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "nacks_total"),
"Total DHCP Nacks sent by the DHCP server (NacksTotal)",
nil,
nil,
),
DeclinesTotal: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "declines_total"),
"Total DHCP Declines received by the DHCP server (DeclinesTotal)",
nil,
nil,
),
ReleasesTotal: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "releases_total"),
"Total DHCP Releases received by the DHCP server (ReleasesTotal)",
nil,
nil,
),
OfferQueueLength: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "offer_queue_length"),
"Number of packets in the offer queue of the DHCP server (OfferQueueLength)",
nil,
nil,
),
DeniedDueToMatch: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "denied_due_to_match_total"),
"Total number of DHCP requests denied, based on matches from the Deny list (DeniedDueToMatch)",
nil,
nil,
),
DeniedDueToNonMatch: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "denied_due_to_nonmatch_total"),
"Total number of DHCP requests denied, based on non-matches from the Allow list (DeniedDueToNonMatch)",
nil,
nil,
),
FailoverBndupdSentTotal: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "failover_bndupd_sent_total"),
"Number of DHCP failover Binding Update messages sent (FailoverBndupdSentTotal)",
nil,
nil,
),
FailoverBndupdReceivedTotal: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "failover_bndupd_received_total"),
"Number of DHCP failover Binding Update messages received (FailoverBndupdReceivedTotal)",
nil,
nil,
),
FailoverBndackSentTotal: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "failover_bndack_sent_total"),
"Number of DHCP failover Binding Ack messages sent (FailoverBndackSentTotal)",
nil,
nil,
),
FailoverBndackReceivedTotal: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "failover_bndack_received_total"),
"Number of DHCP failover Binding Ack messages received (FailoverBndackReceivedTotal)",
nil,
nil,
),
FailoverBndupdPendingOutboundQueue: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "failover_bndupd_pending_in_outbound_queue"),
"Number of pending outbound DHCP failover Binding Update messages (FailoverBndupdPendingOutboundQueue)",
nil,
nil,
),
FailoverTransitionsCommunicationinterruptedState: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "failover_transitions_communicationinterrupted_state_total"),
"Total number of transitions into COMMUNICATION INTERRUPTED state (FailoverTransitionsCommunicationinterruptedState)",
nil,
nil,
),
FailoverTransitionsPartnerdownState: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "failover_transitions_partnerdown_state_total"),
"Total number of transitions into PARTNER DOWN state (FailoverTransitionsPartnerdownState)",
nil,
nil,
),
FailoverTransitionsRecoverState: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "failover_transitions_recover_total"),
"Total number of transitions into RECOVER state (FailoverTransitionsRecoverState)",
nil,
nil,
),
FailoverBndupdDropped: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "failover_bndupd_dropped_total"),
"Total number of DHCP faileover Binding Updates dropped (FailoverBndupdDropped)",
nil,
nil,
),
}, nil
}
// represents perflib metrics from the DHCP Server class.
// While the name of a number of perflib metrics would indicate a rate is being returned (E.G. Packets Received/sec),
// perflib instead returns a counter, hence the "Total" suffix in some of the variable names.
type dhcpPerf struct {
PacketsReceivedTotal float64 `perflib:"Packets Received/sec"`
DuplicatesDroppedTotal float64 `perflib:"Duplicates Dropped/sec"`
PacketsExpiredTotal float64 `perflib:"Packets Expired/sec"`
ActiveQueueLength float64 `perflib:"Active Queue Length"`
ConflictCheckQueueLength float64 `perflib:"Conflict Check Queue Length"`
DiscoversTotal float64 `perflib:"Discovers/sec"`
OffersTotal float64 `perflib:"Offers/sec"`
RequestsTotal float64 `perflib:"Requests/sec"`
InformsTotal float64 `perflib:"Informs/sec"`
AcksTotal float64 `perflib:"Acks/sec"`
NacksTotal float64 `perflib:"Nacks/sec"`
DeclinesTotal float64 `perflib:"Declines/sec"`
ReleasesTotal float64 `perflib:"Releases/sec"`
DeniedDueToMatch float64 `perflib:"Denied due to match."`
DeniedDueToNonMatch float64 `perflib:"Denied due to match."`
OfferQueueLength float64 `perflib:"Offer Queue Length"`
FailoverBndupdSentTotal float64 `perflib:"Failover: BndUpd sent/sec."`
FailoverBndupdReceivedTotal float64 `perflib:"Failover: BndUpd received/sec."`
FailoverBndackSentTotal float64 `perflib:"Failover: BndAck sent/sec."`
FailoverBndackReceivedTotal float64 `perflib:"Failover: BndAck received/sec."`
FailoverBndupdPendingOutboundQueue float64 `perflib:"Failover: BndUpd pending in outbound queue."`
FailoverTransitionsCommunicationinterruptedState float64 `perflib:"Failover: Transitions to COMMUNICATION-INTERRUPTED state."`
FailoverTransitionsPartnerdownState float64 `perflib:"Failover: Transitions to PARTNER-DOWN state."`
FailoverTransitionsRecoverState float64 `perflib:"Failover: Transitions to RECOVER state."`
FailoverBndupdDropped float64 `perflib:"Failover: BndUpd Dropped."`
}
func (c *DhcpCollector) Collect(ctx *ScrapeContext, ch chan<- prometheus.Metric) error {
var perflib []dhcpPerf
if err := unmarshalObject(ctx.perfObjects["DHCP Server"], &perflib); err != nil {
return err
}
ch <- prometheus.MustNewConstMetric(
c.PacketsReceivedTotal,
prometheus.CounterValue,
perflib[0].PacketsReceivedTotal,
)
ch <- prometheus.MustNewConstMetric(
c.DuplicatesDroppedTotal,
prometheus.CounterValue,
perflib[0].DuplicatesDroppedTotal,
)
ch <- prometheus.MustNewConstMetric(
c.PacketsExpiredTotal,
prometheus.CounterValue,
perflib[0].PacketsExpiredTotal,
)
ch <- prometheus.MustNewConstMetric(
c.ActiveQueueLength,
prometheus.GaugeValue,
perflib[0].ActiveQueueLength,
)
ch <- prometheus.MustNewConstMetric(
c.ConflictCheckQueueLength,
prometheus.GaugeValue,
perflib[0].ConflictCheckQueueLength,
)
ch <- prometheus.MustNewConstMetric(
c.DiscoversTotal,
prometheus.CounterValue,
perflib[0].DiscoversTotal,
)
ch <- prometheus.MustNewConstMetric(
c.OffersTotal,
prometheus.CounterValue,
perflib[0].OffersTotal,
)
ch <- prometheus.MustNewConstMetric(
c.RequestsTotal,
prometheus.CounterValue,
perflib[0].RequestsTotal,
)
ch <- prometheus.MustNewConstMetric(
c.InformsTotal,
prometheus.CounterValue,
perflib[0].InformsTotal,
)
ch <- prometheus.MustNewConstMetric(
c.AcksTotal,
prometheus.CounterValue,
perflib[0].AcksTotal,
)
ch <- prometheus.MustNewConstMetric(
c.NacksTotal,
prometheus.CounterValue,
perflib[0].NacksTotal,
)
ch <- prometheus.MustNewConstMetric(
c.DeclinesTotal,
prometheus.CounterValue,
perflib[0].DeclinesTotal,
)
ch <- prometheus.MustNewConstMetric(
c.ReleasesTotal,
prometheus.CounterValue,
perflib[0].ReleasesTotal,
)
ch <- prometheus.MustNewConstMetric(
c.OfferQueueLength,
prometheus.GaugeValue,
perflib[0].OfferQueueLength,
)
ch <- prometheus.MustNewConstMetric(
c.DeniedDueToMatch,
prometheus.CounterValue,
perflib[0].DeniedDueToMatch,
)
ch <- prometheus.MustNewConstMetric(
c.DeniedDueToNonMatch,
prometheus.CounterValue,
perflib[0].DeniedDueToNonMatch,
)
ch <- prometheus.MustNewConstMetric(
c.FailoverBndupdSentTotal,
prometheus.CounterValue,
perflib[0].FailoverBndupdSentTotal,
)
ch <- prometheus.MustNewConstMetric(
c.FailoverBndupdReceivedTotal,
prometheus.CounterValue,
perflib[0].FailoverBndupdReceivedTotal,
)
ch <- prometheus.MustNewConstMetric(
c.FailoverBndackSentTotal,
prometheus.CounterValue,
perflib[0].FailoverBndackSentTotal,
)
ch <- prometheus.MustNewConstMetric(
c.FailoverBndackReceivedTotal,
prometheus.CounterValue,
perflib[0].FailoverBndackReceivedTotal,
)
ch <- prometheus.MustNewConstMetric(
c.FailoverBndupdPendingOutboundQueue,
prometheus.GaugeValue,
perflib[0].FailoverBndupdPendingOutboundQueue,
)
ch <- prometheus.MustNewConstMetric(
c.FailoverTransitionsCommunicationinterruptedState,
prometheus.CounterValue,
perflib[0].FailoverTransitionsCommunicationinterruptedState,
)
ch <- prometheus.MustNewConstMetric(
c.FailoverTransitionsPartnerdownState,
prometheus.CounterValue,
perflib[0].FailoverTransitionsPartnerdownState,
)
ch <- prometheus.MustNewConstMetric(
c.FailoverTransitionsRecoverState,
prometheus.CounterValue,
perflib[0].FailoverTransitionsRecoverState,
)
ch <- prometheus.MustNewConstMetric(
c.FailoverBndupdDropped,
prometheus.CounterValue,
perflib[0].FailoverBndupdDropped,
)
return nil
}