Add dhcp collector
Unfortunately perflib does not expose scope statistics (DhcpServerv4ScopeStatistics), and WMI queries to this class don't appear to be possible with the stackexchange/wmi module.
This commit is contained in:
Ben Reedy
parent
91a64fecb8
commit
05d1e4bde9
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@ -0,0 +1,387 @@
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// +build windows
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package collector
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import (
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"github.com/prometheus/client_golang/prometheus"
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)
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func init() {
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registerCollector("dhcp", NewDhcpCollector, "DHCP Server")
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}
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// A DhcpCollector is a Prometheus collector perflib DHCP metrics
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type DhcpCollector struct {
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PacketsReceivedTotal *prometheus.Desc
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DuplicatesDroppedTotal *prometheus.Desc
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PacketsExpiredTotal *prometheus.Desc
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ActiveQueueLength *prometheus.Desc
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ConflictCheckQueueLength *prometheus.Desc
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DiscoversTotal *prometheus.Desc
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OffersTotal *prometheus.Desc
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RequestsTotal *prometheus.Desc
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InformsTotal *prometheus.Desc
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AcksTotal *prometheus.Desc
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NacksTotal *prometheus.Desc
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DeclinesTotal *prometheus.Desc
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ReleasesTotal *prometheus.Desc
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OfferQueueLength *prometheus.Desc
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DeniedDueToMatch *prometheus.Desc
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DeniedDueToNonMatch *prometheus.Desc
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FailoverBndupdSentTotal *prometheus.Desc
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FailoverBndupdReceivedTotal *prometheus.Desc
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FailoverBndackSentTotal *prometheus.Desc
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FailoverBndackReceivedTotal *prometheus.Desc
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FailoverBndupdPendingOutboundQueue *prometheus.Desc
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FailoverTransitionsCommunicationinterruptedState *prometheus.Desc
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FailoverTransitionsPartnerdownState *prometheus.Desc
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FailoverTransitionsRecoverState *prometheus.Desc
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FailoverBndupdDropped *prometheus.Desc
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}
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func NewDhcpCollector() (Collector, error) {
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const subsystem = "dhcp"
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return &DhcpCollector{
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PacketsReceivedTotal: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "packets_received_total"),
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"Total number of packets received by the DHCP server (PacketsReceivedTotal)",
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nil,
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nil,
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),
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DuplicatesDroppedTotal: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "duplicates_dropped_total"),
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"Total number of duplicate packets received by the DHCP server (DuplicatesDroppedTotal)",
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nil,
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nil,
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),
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PacketsExpiredTotal: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "packets_expired_total"),
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"Total number of packets expired in the DHCP server message queue (PacketsExpiredTotal)",
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nil,
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nil,
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),
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ActiveQueueLength: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "active_queue_length"),
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"Number of packets in the processing queue of the DHCP server (ActiveQueueLength)",
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nil,
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nil,
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),
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ConflictCheckQueueLength: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "conflict_check_queue_length"),
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"Number of packets in the DHCP server queue waiting on conflict detection (ping). (ConflictCheckQueueLength)",
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nil,
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nil,
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),
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DiscoversTotal: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "discovers_total"),
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"Total DHCP Discovers received by the DHCP server (DiscoversTotal)",
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nil,
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nil,
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),
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OffersTotal: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "offers_total"),
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"Total DHCP Offers sent by the DHCP server (OffersTotal)",
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nil,
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nil,
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),
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RequestsTotal: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "requests_total"),
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"Total DHCP Requests received by the DHCP server (RequestsTotal)",
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nil,
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nil,
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),
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InformsTotal: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "informs_total"),
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"Total DHCP Informs received by the DHCP server (InformsTotal)",
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nil,
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nil,
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),
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AcksTotal: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "acks_total"),
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"Total DHCP Acks sent by the DHCP server (AcksTotal)",
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nil,
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nil,
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),
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NacksTotal: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "nacks_total"),
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"Total DHCP Nacks sent by the DHCP server (NacksTotal)",
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nil,
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nil,
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),
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DeclinesTotal: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "declines_total"),
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"Total DHCP Declines received by the DHCP server (DeclinesTotal)",
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nil,
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nil,
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),
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ReleasesTotal: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "releases_total"),
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"Total DHCP Releases received by the DHCP server (ReleasesTotal)",
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nil,
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nil,
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),
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OfferQueueLength: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "offer_queue_length"),
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"Number of packets in the offer queue of the DHCP server (OfferQueueLength)",
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nil,
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nil,
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),
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DeniedDueToMatch: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "denied_due_to_match_total"),
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"Total number of DHCP requests denied, based on matches from the Deny list (DeniedDueToMatch)",
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nil,
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nil,
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),
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DeniedDueToNonMatch: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "denied_due_to_match_total"),
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"Total number of DHCP requests denied, based on non-matches from the Allow list (DeniedDueToNonMatch)",
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nil,
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nil,
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),
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FailoverBndupdSentTotal: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "failover_bndupd_sent_total"),
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"Number of DHCP failover Binding Update messages sent (FailoverBndupdSentTotal)",
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nil,
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nil,
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),
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FailoverBndupdReceivedTotal: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "failover_bndupd_received_total"),
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"Number of DHCP failover Binding Update messages received (FailoverBndupdReceivedTotal)",
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nil,
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nil,
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),
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FailoverBndackSentTotal: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "failover_bndack_sent_total"),
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"Number of DHCP failover Binding Ack messages sent (FailoverBndackSentTotal)",
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nil,
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nil,
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),
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FailoverBndackReceivedTotal: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "failover_bndack_received_total"),
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"Number of DHCP failover Binding Ack messages received (FailoverBndackReceivedTotal)",
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nil,
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nil,
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),
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FailoverBndupdPendingOutboundQueue: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "failover_bndupd_pending_in_outbound_queue"),
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"Number of pending outbound DHCP failover Binding Update messages (FailoverBndupdPendingOutboundQueue)",
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nil,
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nil,
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),
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FailoverTransitionsCommunicationinterruptedState: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "failover_transitions_communicationinterrupted_state_total"),
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"Total number of transitions into COMMUNICATION INTERRUPTED state (FailoverTransitionsCommunicationinterruptedState)",
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nil,
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nil,
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),
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FailoverTransitionsPartnerdownState: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "failover_transitions_partnerdown_state_total"),
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"Total number of transitions into PARTNER DOWN state (FailoverTransitionsPartnerdownState)",
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nil,
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nil,
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),
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FailoverTransitionsRecoverState: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "failover_transitions_recover_total"),
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"Total number of transitions into RECOVER state (FailoverTransitionsRecoverState)",
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nil,
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nil,
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),
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FailoverBndupdDropped: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "failover_bndupd_dropped_total"),
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"Total number of DHCP faileover Binding Updates dropped (FailoverBndupdDropped)",
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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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// represents perflib metrics from the DHCP Server class.
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// While the name of a number of perflib metrics would indicate a rate is being returned (E.G. Packets Received/sec),
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// perflib instead returns a counter, hence the "Total" suffix in some of the variable names.
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type dhcpPerf struct {
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PacketsReceivedTotal float64 `perflib:"Packets Received/sec"`
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DuplicatesDroppedTotal float64 `perflib:"Duplicates Dropped/sec"`
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PacketsExpiredTotal float64 `perflib:"Packets Expired/sec"`
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ActiveQueueLength float64 `perflib:"Active Queue Length"`
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ConflictCheckQueueLength float64 `perflib:"Conflict Check Queue Length"`
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DiscoversTotal float64 `perflib:"Discovers/sec"`
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OffersTotal float64 `perflib:"Offers/sec"`
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RequestsTotal float64 `perflib:"Requests/sec"`
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InformsTotal float64 `perflib:"Informs/sec"`
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AcksTotal float64 `perflib:"Acks/sec"`
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NacksTotal float64 `perflib:"Nacks/sec"`
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DeclinesTotal float64 `perflib:"Declines/sec"`
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ReleasesTotal float64 `perflib:"Releases/sec"`
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DeniedDueToMatch float64 `perflib:"Denied due to match."`
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DeniedDueToNonMatch float64 `perflib:"Denied due to match."`
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OfferQueueLength float64 `perflib:"Offer Queue Length"`
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FailoverBndupdSentTotal float64 `perflib:"Failover: BndUpd sent/sec."`
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FailoverBndupdReceivedTotal float64 `perflib:"Failover: BndUpd received/sec."`
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FailoverBndackSentTotal float64 `perflib:"Failover: BndAck sent/sec."`
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FailoverBndackReceivedTotal float64 `perflib:"Failover: BndAck received/sec."`
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FailoverBndupdPendingOutboundQueue float64 `perflib:"Failover: BndUpd pending in outbound queue."`
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FailoverTransitionsCommunicationinterruptedState float64 `perflib:"Failover: Transitions to COMMUNICATION-INTERRUPTED state."`
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FailoverTransitionsPartnerdownState float64 `perflib:"Failover: Transitions to PARTNER-DOWN state."`
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FailoverTransitionsRecoverState float64 `perflib:"Failover: Transitions to RECOVER state."`
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FailoverBndupdDropped float64 `perflib:"Failover: BndUpd Dropped."`
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}
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func (c *DhcpCollector) Collect(ctx *ScrapeContext, ch chan<- prometheus.Metric) error {
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var perflib []dhcpPerf
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if err := unmarshalObject(ctx.perfObjects["DHCP Server"], &perflib); err != nil {
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return err
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}
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ch <- prometheus.MustNewConstMetric(
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c.PacketsReceivedTotal,
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prometheus.CounterValue,
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perflib[0].PacketsReceivedTotal,
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)
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ch <- prometheus.MustNewConstMetric(
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c.DuplicatesDroppedTotal,
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prometheus.CounterValue,
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perflib[0].DuplicatesDroppedTotal,
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)
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ch <- prometheus.MustNewConstMetric(
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c.PacketsExpiredTotal,
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prometheus.CounterValue,
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perflib[0].PacketsExpiredTotal,
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)
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ch <- prometheus.MustNewConstMetric(
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c.ActiveQueueLength,
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prometheus.GaugeValue,
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perflib[0].ActiveQueueLength,
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)
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ch <- prometheus.MustNewConstMetric(
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c.ConflictCheckQueueLength,
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prometheus.GaugeValue,
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perflib[0].ConflictCheckQueueLength,
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)
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ch <- prometheus.MustNewConstMetric(
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c.DiscoversTotal,
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prometheus.CounterValue,
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perflib[0].DiscoversTotal,
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)
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ch <- prometheus.MustNewConstMetric(
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c.OffersTotal,
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prometheus.CounterValue,
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perflib[0].OffersTotal,
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)
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ch <- prometheus.MustNewConstMetric(
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c.RequestsTotal,
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prometheus.CounterValue,
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perflib[0].RequestsTotal,
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)
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ch <- prometheus.MustNewConstMetric(
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c.InformsTotal,
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prometheus.CounterValue,
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perflib[0].InformsTotal,
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)
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ch <- prometheus.MustNewConstMetric(
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c.AcksTotal,
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prometheus.CounterValue,
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perflib[0].AcksTotal,
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)
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ch <- prometheus.MustNewConstMetric(
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c.NacksTotal,
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prometheus.CounterValue,
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perflib[0].NacksTotal,
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)
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ch <- prometheus.MustNewConstMetric(
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c.DeclinesTotal,
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prometheus.CounterValue,
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perflib[0].DeclinesTotal,
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)
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ch <- prometheus.MustNewConstMetric(
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c.ReleasesTotal,
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prometheus.CounterValue,
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perflib[0].ReleasesTotal,
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)
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ch <- prometheus.MustNewConstMetric(
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c.OfferQueueLength,
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prometheus.GaugeValue,
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perflib[0].OfferQueueLength,
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)
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ch <- prometheus.MustNewConstMetric(
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c.DeniedDueToMatch,
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prometheus.CounterValue,
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perflib[0].DeniedDueToMatch,
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)
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ch <- prometheus.MustNewConstMetric(
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c.DeniedDueToNonMatch,
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prometheus.CounterValue,
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perflib[0].DeniedDueToNonMatch,
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)
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ch <- prometheus.MustNewConstMetric(
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c.FailoverBndupdSentTotal,
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prometheus.CounterValue,
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perflib[0].FailoverBndupdSentTotal,
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)
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ch <- prometheus.MustNewConstMetric(
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c.FailoverBndupdReceivedTotal,
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prometheus.CounterValue,
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perflib[0].FailoverBndupdReceivedTotal,
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)
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ch <- prometheus.MustNewConstMetric(
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c.FailoverBndackSentTotal,
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prometheus.CounterValue,
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perflib[0].FailoverBndackSentTotal,
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)
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ch <- prometheus.MustNewConstMetric(
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c.FailoverBndackReceivedTotal,
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prometheus.CounterValue,
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perflib[0].FailoverBndackReceivedTotal,
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)
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ch <- prometheus.MustNewConstMetric(
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c.FailoverBndupdPendingOutboundQueue,
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prometheus.GaugeValue,
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perflib[0].FailoverBndupdPendingOutboundQueue,
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)
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ch <- prometheus.MustNewConstMetric(
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c.FailoverTransitionsCommunicationinterruptedState,
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prometheus.CounterValue,
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perflib[0].FailoverTransitionsCommunicationinterruptedState,
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)
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ch <- prometheus.MustNewConstMetric(
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c.FailoverTransitionsPartnerdownState,
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prometheus.CounterValue,
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perflib[0].FailoverTransitionsPartnerdownState,
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)
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ch <- prometheus.MustNewConstMetric(
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c.FailoverTransitionsRecoverState,
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prometheus.CounterValue,
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perflib[0].FailoverTransitionsRecoverState,
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)
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ch <- prometheus.MustNewConstMetric(
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c.FailoverBndupdDropped,
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prometheus.CounterValue,
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perflib[0].FailoverBndupdDropped,
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)
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return nil
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}
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@ -6,6 +6,7 @@ This directory contains documentation of the collectors in the WMI exporter, wit
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- [`adfs`](collector.adfs.md)
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- [`cpu`](collector.cpu.md)
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- [`cs`](collector.cs.md)
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- [`dhcp`](collector.dhcp.md)
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- [`dns`](collector.dns.md)
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- [`hyperv`](collector.hyperv.md)
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- [`iis`](collector.iis.md)
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|
|
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@ -0,0 +1,53 @@
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# dhcp collector
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The dhcp collector exposes DHCP Server metrics
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|||
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-|-
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Metric name prefix | `dhcp`
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Data source | Perflib
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Classes | `DHCP Server`
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Enabled by default? | No
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## Flags
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None
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## Metrics
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Name | Description | Type | Labels
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-----|-------------|------|-------
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`packets_received_total` | Total number of packets received by the DHCP server | counter | None
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`duplicates_dropped_total` | Total number of duplicate packets received by the DHCP server | counter | None
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`packets_expired_total` | Total number of packets expired in the DHCP server message queue | counter | None
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`active_queue_length` | Number of packets in the processing queue of the DHCP server | gauge | None
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`conflict_check_queue_length` | Number of packets in the DHCP server queue waiting on conflict detection (ping) | gauge | None
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`discovers_total` | Total DHCP Discovers received by the DHCP server | counter | None
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`offers_total` | Total DHCP Offers sent by the DHCP server | counter | None
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`requests_total` | Total DHCP Requests received by the DHCP server | counter | None
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`informs_total` | Total DHCP Informs received by the DHCP server | counter | None
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`acks_total` | Total DHCP Acks sent by the DHCP server | counter | None
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`nacks_total` | Total DHCP Nacks sent by the DHCP server | counter | None
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`declines_total` | Total DHCP Declines received by the DHCP server | counter | None
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`releases_total` | Total DHCP Releases received by the DHCP server | counter | None
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`offer_queue_length` | Number of packets in the offer queue of the DHCP server | gauge | None
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`denied_due_to_match_total` | Total number of DHCP requests denied, based on matches from the Deny List | gauge | None
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`denied_due_to_nonmatch_total` | Total number of DHCP requests denied, based on non-matches from the Allow List | gauge | None
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`failover_bndupd_sent_total` | Number of DHCP failover Binding Update messages sent | counter | None
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`failover_bndupd_received_total` | Number of DHCP failover Binding Update messages received | counter | None
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`failover_bndack_sent_total` | Number of DHCP failover Binding Ack messages sent | counter | None
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`failover_bndack_received_total` | Number of DHCP failover Binding Ack messages received | counter | None
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`failover_bndupd_pending_in_outbound_queue` | Number of pending outbound DHCP failover Binding Update messages | counter | None
|
||||
`failover_transitions_communicationinterrupted_state_total` | Total number of transitions into COMMUNICATION INTERRUPTED state | counter | None
|
||||
`failover_transitions_partnerdown_state_total` | Total number of transitions into PARTNER DOWN state | counter | None
|
||||
`failover_transitions_recover_total` | Total number of transitions into RECOVER state | counter | None
|
||||
`failover_bndupd_dropped_total` | Total number of DHCP faileover Binding Updates dropped | counter | None
|
||||
|
||||
### Example metric
|
||||
_This collector does not yet have explained examples, we would appreciate your help adding them!_
|
||||
|
||||
## Useful queries
|
||||
_This collector does not yet have any useful queries added, we would appreciate your help adding them!_
|
||||
|
||||
## Alerting examples
|
||||
_This collector does not yet have alerting examples, we would appreciate your help adding them!_
|
||||
Loading…
Reference in New Issue