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Merge pull request #179 from alexandrovas/feat/sel-events
feat: custom SEL events metrics
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,141 @@ | ||
| // Copyright 2021 The Prometheus Authors | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package main | ||
|
|
||
| import ( | ||
| "time" | ||
|
|
||
| "github.com/go-kit/log/level" | ||
| "github.com/prometheus/client_golang/prometheus" | ||
|
|
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| "github.com/prometheus-community/ipmi_exporter/freeipmi" | ||
| ) | ||
|
|
||
| const ( | ||
| SELEventsCollectorName CollectorName = "sel-events" | ||
| ) | ||
|
|
||
| var ( | ||
| selEventsCountByStateDesc = prometheus.NewDesc( | ||
| prometheus.BuildFQName(namespace, "sel_events", "count_by_state"), | ||
| "Current number of log entries in the SEL by state.", | ||
| []string{"state"}, | ||
| nil, | ||
| ) | ||
| selEventsCountByNameDesc = prometheus.NewDesc( | ||
| prometheus.BuildFQName(namespace, "sel_events", "count_by_name"), | ||
| "Current number of custom log entries in the SEL by name.", | ||
| []string{"name"}, | ||
| nil, | ||
| ) | ||
| selEventsLatestTimestampDesc = prometheus.NewDesc( | ||
| prometheus.BuildFQName(namespace, "sel_events", "latest_timestamp"), | ||
| "Latest timestamp of custom log entries in the SEL by name.", | ||
| []string{"name"}, | ||
| nil, | ||
| ) | ||
| ) | ||
|
|
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| type SELEventsCollector struct{} | ||
|
|
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| func (c SELEventsCollector) Name() CollectorName { | ||
| return SELEventsCollectorName | ||
| } | ||
|
|
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| func (c SELEventsCollector) Cmd() string { | ||
| return "ipmi-sel" | ||
| } | ||
|
|
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| func (c SELEventsCollector) Args() []string { | ||
| return []string{ | ||
| "-Q", | ||
| "--comma-separated-output", | ||
| "--no-header-output", | ||
| "--sdr-cache-recreate", | ||
| "--output-event-state", | ||
| "--interpret-oem-data", | ||
| "--entity-sensor-names", | ||
| } | ||
| } | ||
|
|
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| func (c SELEventsCollector) Collect(result freeipmi.Result, ch chan<- prometheus.Metric, target ipmiTarget) (int, error) { | ||
| selEventConfigs := target.config.SELEvents | ||
|
|
||
| events, err := freeipmi.GetSELEvents(result) | ||
| if err != nil { | ||
| level.Error(logger).Log("msg", "Failed to collect SEL events", "target", targetName(target.host), "error", err) | ||
| return 0, err | ||
| } | ||
|
|
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| selEventByStateCount := map[string]float64{} | ||
| selEventByNameCount := map[string]float64{} | ||
| selEventByNameTimestamp := map[string]float64{} | ||
|
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| // initialize sel event metrics by zero | ||
| for _, metricConfig := range selEventConfigs { | ||
| selEventByNameTimestamp[metricConfig.Name] = 0 | ||
| selEventByNameCount[metricConfig.Name] = 0 | ||
| } | ||
|
|
||
| for _, data := range events { | ||
| for _, metricConfig := range selEventConfigs { | ||
| match := metricConfig.Regex.FindStringSubmatch(data.Event) | ||
| if match != nil { | ||
| t, err := time.Parse("Jan-02-2006 15:04:05", data.Date+" "+data.Time) | ||
| if err != nil { | ||
| level.Error(logger).Log("msg", "Failed to collect SEL event metrics", "target", targetName(target.host), "error", err) | ||
| return 0, err | ||
| } | ||
| newTimestamp := float64(t.Unix()) | ||
| // save latest timestamp by name metrics | ||
| if newTimestamp > selEventByNameTimestamp[metricConfig.Name] { | ||
| selEventByNameTimestamp[metricConfig.Name] = newTimestamp | ||
| } | ||
| // save count by name metrics | ||
| selEventByNameCount[metricConfig.Name]++ | ||
| } | ||
| } | ||
| // save count by state metrics | ||
| _, ok := selEventByStateCount[data.State] | ||
| if !ok { | ||
| selEventByStateCount[data.State] = 0 | ||
| } | ||
| selEventByStateCount[data.State]++ | ||
| } | ||
|
|
||
| for state, value := range selEventByStateCount { | ||
| ch <- prometheus.MustNewConstMetric( | ||
| selEventsCountByStateDesc, | ||
| prometheus.GaugeValue, | ||
| value, | ||
| state, | ||
| ) | ||
| } | ||
|
|
||
| for name, value := range selEventByNameCount { | ||
| ch <- prometheus.MustNewConstMetric( | ||
| selEventsCountByNameDesc, | ||
| prometheus.GaugeValue, | ||
| value, | ||
| name, | ||
| ) | ||
| ch <- prometheus.MustNewConstMetric( | ||
| selEventsLatestTimestampDesc, | ||
| prometheus.GaugeValue, | ||
| selEventByNameTimestamp[name], | ||
| name, | ||
| ) | ||
| } | ||
| return 1, nil | ||
| } |
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