| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | package panos |
| 4 | |
| 5 | import ( |
| 6 | "context" |
| 7 | "errors" |
| 8 | "sort" |
| 9 | ) |
| 10 | |
| 11 | func (c *Collector) collect(ctx context.Context) (bool, error) { |
| 12 | if c.apiClient == nil { |
| 13 | return false, errors.New("PAN-OS API client not initialized") |
| 14 | } |
| 15 | defer c.logSystemInfo() |
| 16 | |
| 17 | var result collectResult |
| 18 | |
| 19 | if result.addContextError(ctx) { |
| 20 | return result.hasMetrics, errors.Join(result.errs...) |
| 21 | } |
| 22 | result.add(c.collectSystemMetrics(ctx)) |
| 23 | if result.addContextError(ctx) { |
| 24 | return result.hasMetrics, errors.Join(result.errs...) |
| 25 | } |
| 26 | result.add(c.collectHAMetrics(ctx)) |
| 27 | if result.addContextError(ctx) { |
| 28 | return result.hasMetrics, errors.Join(result.errs...) |
| 29 | } |
| 30 | result.add(c.collectEnvironmentMetrics(ctx)) |
| 31 | if result.addContextError(ctx) { |
| 32 | return result.hasMetrics, errors.Join(result.errs...) |
| 33 | } |
| 34 | result.add(c.collectLicenseMetrics(ctx)) |
| 35 | if result.addContextError(ctx) { |
| 36 | return result.hasMetrics, errors.Join(result.errs...) |
| 37 | } |
| 38 | result.add(c.collectIPSecMetrics(ctx)) |
| 39 | if result.addContextError(ctx) { |
| 40 | return result.hasMetrics, errors.Join(result.errs...) |
| 41 | } |
| 42 | |
| 43 | peers, err := c.collectBGPPeers(ctx) |
| 44 | result.add(false, err) |
| 45 | if len(peers) > 0 { |
| 46 | monitoredPeers := orderedBGPPeers(peers) |
| 47 | result.add(c.collectPeerMetrics(monitoredPeers), nil) |
| 48 | result.add(c.collectVRMetrics(peers), nil) |
| 49 | } |
| 50 | |
| 51 | return result.hasMetrics, errors.Join(result.errs...) |
| 52 | } |
| 53 | |
| 54 | func contextError(ctx context.Context) error { |
| 55 | if ctx == nil { |
| 56 | return nil |
| 57 | } |
| 58 | return ctx.Err() |
| 59 | } |
| 60 | |
| 61 | type collectResult struct { |
| 62 | hasMetrics bool |
| 63 | errs []error |
| 64 | } |
| 65 | |
| 66 | func (r *collectResult) add(hasMetrics bool, err error) { |
| 67 | if hasMetrics { |
| 68 | r.hasMetrics = true |
| 69 | } |
| 70 | if err != nil { |
| 71 | r.errs = append(r.errs, err) |
| 72 | } |
| 73 | } |
| 74 | |
| 75 | func (r *collectResult) addContextError(ctx context.Context) bool { |
| 76 | if err := contextError(ctx); err != nil { |
| 77 | r.add(false, err) |
| 78 | return true |
| 79 | } |
| 80 | return false |
| 81 | } |
| 82 | |
| 83 | func orderedBGPPeers(peers []bgpPeer) []bgpPeer { |
| 84 | items := append([]bgpPeer(nil), peers...) |
| 85 | sort.SliceStable(items, func(i, j int) bool { |
| 86 | return bgpPeerOrderKey(items[i]) < bgpPeerOrderKey(items[j]) |
| 87 | }) |
| 88 | |
| 89 | for i := range items { |
| 90 | counters := append([]bgpPrefixCounter(nil), items[i].PrefixCounters...) |
| 91 | sort.SliceStable(counters, func(j, k int) bool { |
| 92 | return bgpPrefixCounterOrderKey(counters[j]) < bgpPrefixCounterOrderKey(counters[k]) |
| 93 | }) |
| 94 | items[i].PrefixCounters = counters |
| 95 | } |
| 96 | |
| 97 | return items |
| 98 | } |
| 99 | |
| 100 | func bgpPeerOrderKey(peer bgpPeer) string { |
| 101 | return firstNonEmpty(peer.VR, "default") + "/" + firstNonEmpty(peer.PeerAddress, "unknown") |
| 102 | } |
| 103 | |
| 104 | func bgpPrefixCounterOrderKey(counter bgpPrefixCounter) string { |
| 105 | return firstNonEmpty(counter.AFI, "unknown") + "/" + firstNonEmpty(counter.SAFI, "unknown") |
| 106 | } |
| 107 | |
| 108 | func (c *Collector) collectPeerMetrics(peers []bgpPeer) bool { |
| 109 | if len(peers) == 0 { |
| 110 | return false |
| 111 | } |
| 112 | |
| 113 | for _, peer := range peers { |
| 114 | labels := peerLabelValues(peer) |
| 115 | observeStateSetVec(c.metrics.bgp.peerState, peer.State, labels...) |
| 116 | c.metrics.bgp.peerUptime.WithLabelValues(labels...).Observe(float64(peer.Uptime)) |
| 117 | c.metrics.bgp.peerMessagesIn.WithLabelValues(labels...).ObserveTotal(float64(peer.MessagesIn)) |
| 118 | c.metrics.bgp.peerMessagesOut.WithLabelValues(labels...).ObserveTotal(float64(peer.MessagesOut)) |
| 119 | c.metrics.bgp.peerUpdatesIn.WithLabelValues(labels...).ObserveTotal(float64(peer.UpdatesIn)) |
| 120 | c.metrics.bgp.peerUpdatesOut.WithLabelValues(labels...).ObserveTotal(float64(peer.UpdatesOut)) |
| 121 | c.metrics.bgp.peerFlaps.WithLabelValues(labels...).ObserveTotal(float64(peer.Flaps)) |
| 122 | c.metrics.bgp.peerEstablishedTransitions.WithLabelValues(labels...).ObserveTotal(float64(peer.Established)) |
| 123 | |
| 124 | for _, counter := range peer.PrefixCounters { |
| 125 | prefixLabels := prefixLabelValues(peer, counter) |
| 126 | c.metrics.bgp.peerPrefixesReceivedTotal.WithLabelValues(prefixLabels...).Observe(float64(counter.IncomingTotal)) |
| 127 | c.metrics.bgp.peerPrefixesReceivedAccepted.WithLabelValues(prefixLabels...).Observe(float64(counter.IncomingAccepted)) |
| 128 | c.metrics.bgp.peerPrefixesReceivedRejected.WithLabelValues(prefixLabels...).Observe(float64(counter.IncomingRejected)) |
| 129 | c.metrics.bgp.peerPrefixesAdvertised.WithLabelValues(prefixLabels...).Observe(float64(counter.OutgoingAdvertised)) |
| 130 | } |
| 131 | } |
| 132 | |
| 133 | return true |
| 134 | } |
| 135 | |
| 136 | func (c *Collector) collectVRMetrics(peers []bgpPeer) bool { |
| 137 | type vrStats struct { |
| 138 | stateCounts map[string]int64 |
| 139 | total int64 |
| 140 | established int64 |
| 141 | } |
| 142 | |
| 143 | stats := make(map[string]*vrStats) |
| 144 | for _, peer := range peers { |
| 145 | st := stats[peer.VR] |
| 146 | if st == nil { |
| 147 | st = &vrStats{stateCounts: make(map[string]int64)} |
| 148 | stats[peer.VR] = st |
| 149 | } |
| 150 | |
| 151 | st.total++ |
| 152 | if peer.State != "" { |
| 153 | st.stateCounts[peer.State]++ |
| 154 | } |
| 155 | if peer.State == "established" { |
| 156 | st.established++ |
| 157 | } |
| 158 | } |
| 159 | |
| 160 | vrs := make([]string, 0, len(stats)) |
| 161 | for vr := range stats { |
| 162 | vrs = append(vrs, vr) |
| 163 | } |
| 164 | sort.Strings(vrs) |
| 165 | |
| 166 | for _, vr := range vrs { |
| 167 | st := stats[vr] |
| 168 | labels := []string{vr} |
| 169 | for _, state := range bgpStates { |
| 170 | c.metrics.bgp.vrPeersByState[state].WithLabelValues(labels...).Observe(float64(st.stateCounts[state])) |
| 171 | } |
| 172 | c.metrics.bgp.vrPeersConfigured.WithLabelValues(labels...).Observe(float64(st.total)) |
| 173 | c.metrics.bgp.vrPeersEstablished.WithLabelValues(labels...).Observe(float64(st.established)) |
| 174 | } |
| 175 | |
| 176 | return len(vrs) > 0 |
| 177 | } |