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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-05 11:19:16 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-07-24 09:53:24 +0000 |
commit | b5f8ee61a7f7e9bd291dd26b0585d03eb686c941 (patch) | |
tree | d4d31289c39fc00da064a825df13a0b98ce95b10 /src/go/collectors/go.d.plugin/modules/vernemq/collect.go | |
parent | Adding upstream version 1.44.3. (diff) | |
download | netdata-upstream.tar.xz netdata-upstream.zip |
Adding upstream version 1.46.3.upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/go/collectors/go.d.plugin/modules/vernemq/collect.go | 288 |
1 files changed, 288 insertions, 0 deletions
diff --git a/src/go/collectors/go.d.plugin/modules/vernemq/collect.go b/src/go/collectors/go.d.plugin/modules/vernemq/collect.go new file mode 100644 index 000000000..4ec6a1bf2 --- /dev/null +++ b/src/go/collectors/go.d.plugin/modules/vernemq/collect.go @@ -0,0 +1,288 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + +package vernemq + +import ( + "errors" + "strings" + + "github.com/netdata/netdata/go/go.d.plugin/pkg/prometheus" + "github.com/netdata/netdata/go/go.d.plugin/pkg/stm" +) + +func isValidVerneMQMetrics(pms prometheus.Series) bool { + return pms.FindByName(metricPUBLISHError).Len() > 0 && pms.FindByName(metricRouterSubscriptions).Len() > 0 +} + +func (v *VerneMQ) collect() (map[string]int64, error) { + pms, err := v.prom.ScrapeSeries() + if err != nil { + return nil, err + } + + if !isValidVerneMQMetrics(pms) { + return nil, errors.New("returned metrics aren't VerneMQ metrics") + } + + mx := v.collectVerneMQ(pms) + + return stm.ToMap(mx), nil +} + +func (v *VerneMQ) collectVerneMQ(pms prometheus.Series) map[string]float64 { + mx := make(map[string]float64) + collectSockets(mx, pms) + collectQueues(mx, pms) + collectSubscriptions(mx, pms) + v.collectErlangVM(mx, pms) + collectBandwidth(mx, pms) + collectRetain(mx, pms) + collectCluster(mx, pms) + collectUptime(mx, pms) + + v.collectAUTH(mx, pms) + v.collectCONNECT(mx, pms) + v.collectDISCONNECT(mx, pms) + v.collectSUBSCRIBE(mx, pms) + v.collectUNSUBSCRIBE(mx, pms) + v.collectPUBLISH(mx, pms) + v.collectPING(mx, pms) + v.collectMQTTInvalidMsgSize(mx, pms) + return mx +} + +func (v *VerneMQ) collectCONNECT(mx map[string]float64, pms prometheus.Series) { + pms = pms.FindByNames( + metricCONNECTReceived, + metricCONNACKSent, + ) + v.collectMQTT(mx, pms) +} + +func (v *VerneMQ) collectDISCONNECT(mx map[string]float64, pms prometheus.Series) { + pms = pms.FindByNames( + metricDISCONNECTReceived, + metricDISCONNECTSent, + ) + v.collectMQTT(mx, pms) +} + +func (v *VerneMQ) collectPUBLISH(mx map[string]float64, pms prometheus.Series) { + pms = pms.FindByNames( + metricPUBACKReceived, + metricPUBACKSent, + metricPUBACKInvalid, + + metricPUBCOMPReceived, + metricPUBCOMPSent, + metricPUNCOMPInvalid, + + metricPUBSLISHReceived, + metricPUBSLIHSent, + metricPUBLISHError, + metricPUBLISHAuthError, + + metricPUBRECReceived, + metricPUBRECSent, + metricPUBRECInvalid, + + metricPUBRELReceived, + metricPUBRELSent, + ) + v.collectMQTT(mx, pms) +} + +func (v *VerneMQ) collectSUBSCRIBE(mx map[string]float64, pms prometheus.Series) { + pms = pms.FindByNames( + metricSUBSCRIBEReceived, + metricSUBACKSent, + metricSUBSCRIBEError, + metricSUBSCRIBEAuthError, + ) + v.collectMQTT(mx, pms) +} + +func (v *VerneMQ) collectUNSUBSCRIBE(mx map[string]float64, pms prometheus.Series) { + pms = pms.FindByNames( + metricUNSUBSCRIBEReceived, + metricUNSUBACKSent, + metricUNSUBSCRIBEError, + ) + v.collectMQTT(mx, pms) +} + +func (v *VerneMQ) collectPING(mx map[string]float64, pms prometheus.Series) { + pms = pms.FindByNames( + metricPINGREQReceived, + metricPINGRESPSent, + ) + v.collectMQTT(mx, pms) +} + +func (v *VerneMQ) collectAUTH(mx map[string]float64, pms prometheus.Series) { + pms = pms.FindByNames( + metricAUTHReceived, + metricAUTHSent, + ) + v.collectMQTT(mx, pms) +} + +func (v *VerneMQ) collectMQTTInvalidMsgSize(mx map[string]float64, pms prometheus.Series) { + pms = pms.FindByName(metricMQTTInvalidMsgSizeError) + v.collectMQTT(mx, pms) +} + +func collectSockets(mx map[string]float64, pms prometheus.Series) { + pms = pms.FindByNames( + metricSocketClose, + metricSocketCloseTimeout, + metricSocketError, + metricSocketOpen, + metricClientKeepaliveExpired, + ) + collectNonMQTT(mx, pms) + mx["open_sockets"] = mx[metricSocketOpen] - mx[metricSocketClose] +} + +func collectQueues(mx map[string]float64, pms prometheus.Series) { + pms = pms.FindByNames( + metricQueueInitializedFromStorage, + metricQueueMessageDrop, + metricQueueMessageExpired, + metricQueueMessageIn, + metricQueueMessageOut, + metricQueueMessageUnhandled, + metricQueueProcesses, + metricQueueSetup, + metricQueueTeardown, + ) + collectNonMQTT(mx, pms) +} + +func collectSubscriptions(mx map[string]float64, pms prometheus.Series) { + pms = pms.FindByNames( + metricRouterMatchesLocal, + metricRouterMatchesRemote, + metricRouterMemory, + metricRouterSubscriptions, + ) + collectNonMQTT(mx, pms) +} + +func (v *VerneMQ) collectErlangVM(mx map[string]float64, pms prometheus.Series) { + v.collectSchedulersUtilization(mx, pms) + pms = pms.FindByNames( + metricSystemContextSwitches, + metricSystemGCCount, + metricSystemIOIn, + metricSystemIOOut, + metricSystemProcessCount, + metricSystemReductions, + metricSystemRunQueue, + metricSystemUtilization, + metricSystemWordsReclaimedByGC, + metricVMMemoryProcesses, + metricVMMemorySystem, + ) + collectNonMQTT(mx, pms) +} + +func (v *VerneMQ) collectSchedulersUtilization(mx map[string]float64, pms prometheus.Series) { + for _, pm := range pms { + if isSchedulerUtilizationMetric(pm) { + mx[pm.Name()] += pm.Value + v.notifyNewScheduler(pm.Name()) + } + } +} + +func collectBandwidth(mx map[string]float64, pms prometheus.Series) { + pms = pms.FindByNames( + metricBytesReceived, + metricBytesSent, + ) + collectNonMQTT(mx, pms) +} + +func collectRetain(mx map[string]float64, pms prometheus.Series) { + pms = pms.FindByNames( + metricRetainMemory, + metricRetainMessages, + ) + collectNonMQTT(mx, pms) +} + +func collectCluster(mx map[string]float64, pms prometheus.Series) { + pms = pms.FindByNames( + metricClusterBytesDropped, + metricClusterBytesReceived, + metricClusterBytesSent, + metricNetSplitDetected, + metricNetSplitResolved, + ) + collectNonMQTT(mx, pms) + mx["netsplit_unresolved"] = mx[metricNetSplitDetected] - mx[metricNetSplitResolved] +} + +func collectUptime(mx map[string]float64, pms prometheus.Series) { + pms = pms.FindByName(metricSystemWallClock) + collectNonMQTT(mx, pms) +} + +func collectNonMQTT(mx map[string]float64, pms prometheus.Series) { + for _, pm := range pms { + mx[pm.Name()] += pm.Value + } +} + +func (v *VerneMQ) collectMQTT(mx map[string]float64, pms prometheus.Series) { + for _, pm := range pms { + if !isMQTTMetric(pm) { + continue + } + version := versionLabelValue(pm) + if version == "" { + continue + } + + mx[pm.Name()] += pm.Value + mx[join(pm.Name(), "v", version)] += pm.Value + + if reason := reasonCodeLabelValue(pm); reason != "" { + mx[join(pm.Name(), reason)] += pm.Value + mx[join(pm.Name(), "v", version, reason)] += pm.Value + + v.notifyNewReason(pm.Name(), reason) + } + } +} + +func isMQTTMetric(pm prometheus.SeriesSample) bool { + return strings.HasPrefix(pm.Name(), "mqtt_") +} + +func isSchedulerUtilizationMetric(pm prometheus.SeriesSample) bool { + return strings.HasPrefix(pm.Name(), "system_utilization_scheduler_") +} + +func reasonCodeLabelValue(pm prometheus.SeriesSample) string { + if v := pm.Labels.Get("reason_code"); v != "" { + return v + } + // "mqtt_connack_sent" v4 has return_code + return pm.Labels.Get("return_code") +} + +func versionLabelValue(pm prometheus.SeriesSample) string { + return pm.Labels.Get("mqtt_version") +} + +func join(a, b string, rest ...string) string { + v := a + "_" + b + switch len(rest) { + case 0: + return v + default: + return join(v, rest[0], rest[1:]...) + } +} |