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| Original file line number | Diff line number | Diff line change |
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| @@ -1,4 +1,6 @@ | ||
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| scripts.txt | ||
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| # Entries below this point are managed by Please (DO NOT EDIT) | ||
| plz-out | ||
| .plzconfig.local |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,223 @@ | ||
| package collectors | ||
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| import ( | ||
| "context" | ||
| "fmt" | ||
| "sync" | ||
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| "github.com/odonate/postgres-exporter/exporter/db" | ||
| "github.com/prometheus/client_golang/prometheus" | ||
| ) | ||
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| // PgStatStatementsCollector collects from pg_stat_user_tables. | ||
| type PgStatStatementsCollector struct { | ||
| db *db.Client | ||
| mutex sync.RWMutex | ||
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| calls *prometheus.Desc | ||
| totalTimeSeconds *prometheus.Desc | ||
| minTimeSeconds *prometheus.Desc | ||
| maxTimeSeconds *prometheus.Desc | ||
| meanTimeSeconds *prometheus.Desc | ||
| stdDevTimeSeconds *prometheus.Desc | ||
| rows *prometheus.Desc | ||
| sharedBlksHit *prometheus.Desc | ||
| sharedBlksRead *prometheus.Desc | ||
| sharedBlksDirtied *prometheus.Desc | ||
| sharedBlksWritten *prometheus.Desc | ||
| localBlksHit *prometheus.Desc | ||
| localBlksRead *prometheus.Desc | ||
| localBlksDirtied *prometheus.Desc | ||
| localBlksWritten *prometheus.Desc | ||
| tempBlksRead *prometheus.Desc | ||
| tempBlksWritten *prometheus.Desc | ||
| blkReadTimeSeconds *prometheus.Desc | ||
| blkWriteTimeSeconds *prometheus.Desc | ||
| } | ||
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| // NewPgStatStatementsCollector instantiates and returns a new PgStatUserTableCollector. | ||
| func NewPgStatStatementsCollector(db *db.Client) *PgStatStatementsCollector { | ||
| variableLabels := []string{"rolname", "datname", "queryid"} | ||
| return &PgStatStatementsCollector{ | ||
| db: db, | ||
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| calls: prometheus.NewDesc( | ||
| prometheus.BuildFQName(namespace, statementsSubSystem, "calls"), | ||
| "", | ||
| variableLabels, | ||
| nil, | ||
| ), | ||
| totalTimeSeconds: prometheus.NewDesc( | ||
| prometheus.BuildFQName(namespace, statementsSubSystem, "total_time_seconds"), | ||
| "", | ||
| variableLabels, | ||
| nil, | ||
| ), | ||
| minTimeSeconds: prometheus.NewDesc( | ||
| prometheus.BuildFQName(namespace, statementsSubSystem, "min_time_seconds"), | ||
| "", | ||
| variableLabels, | ||
| nil, | ||
| ), | ||
| maxTimeSeconds: prometheus.NewDesc( | ||
| prometheus.BuildFQName(namespace, statementsSubSystem, "max_time_seconds"), | ||
| "", | ||
| variableLabels, | ||
| nil, | ||
| ), | ||
| meanTimeSeconds: prometheus.NewDesc( | ||
| prometheus.BuildFQName(namespace, statementsSubSystem, "mean_time_seconds"), | ||
| "", | ||
| variableLabels, | ||
| nil, | ||
| ), | ||
| stdDevTimeSeconds: prometheus.NewDesc( | ||
| prometheus.BuildFQName(namespace, statementsSubSystem, "std_dev_time_seconds"), | ||
| "", | ||
| variableLabels, | ||
| nil, | ||
| ), | ||
| rows: prometheus.NewDesc( | ||
| prometheus.BuildFQName(namespace, statementsSubSystem, "rows"), | ||
| "", | ||
| variableLabels, | ||
| nil, | ||
| ), | ||
| sharedBlksHit: prometheus.NewDesc( | ||
| prometheus.BuildFQName(namespace, statementsSubSystem, "shared_blks_hit"), | ||
| "", | ||
| variableLabels, | ||
| nil, | ||
| ), | ||
| sharedBlksRead: prometheus.NewDesc( | ||
| prometheus.BuildFQName(namespace, statementsSubSystem, "shared_blks_read"), | ||
| "", | ||
| variableLabels, | ||
| nil, | ||
| ), | ||
| sharedBlksDirtied: prometheus.NewDesc( | ||
| prometheus.BuildFQName(namespace, statementsSubSystem, "shared_blks_dirtied"), | ||
| "", | ||
| variableLabels, | ||
| nil, | ||
| ), | ||
| sharedBlksWritten: prometheus.NewDesc( | ||
| prometheus.BuildFQName(namespace, statementsSubSystem, "shared_blks_written"), | ||
| "", | ||
| variableLabels, | ||
| nil, | ||
| ), | ||
| localBlksHit: prometheus.NewDesc( | ||
| prometheus.BuildFQName(namespace, statementsSubSystem, "local_blks_hit"), | ||
| "", | ||
| variableLabels, | ||
| nil, | ||
| ), | ||
| localBlksRead: prometheus.NewDesc( | ||
| prometheus.BuildFQName(namespace, statementsSubSystem, "local_blks_read"), | ||
| "", | ||
| variableLabels, | ||
| nil, | ||
| ), | ||
| localBlksDirtied: prometheus.NewDesc( | ||
| prometheus.BuildFQName(namespace, statementsSubSystem, "local_blks_dirtied"), | ||
| "", | ||
| variableLabels, | ||
| nil, | ||
| ), | ||
| localBlksWritten: prometheus.NewDesc( | ||
| prometheus.BuildFQName(namespace, statementsSubSystem, "local_blks_written"), | ||
| "", | ||
| variableLabels, | ||
| nil, | ||
| ), | ||
| tempBlksRead: prometheus.NewDesc( | ||
| prometheus.BuildFQName(namespace, statementsSubSystem, "templ_blks_read"), | ||
| "", | ||
| variableLabels, | ||
| nil, | ||
| ), | ||
| tempBlksWritten: prometheus.NewDesc( | ||
| prometheus.BuildFQName(namespace, statementsSubSystem, "temp_blks_written"), | ||
| "", | ||
| variableLabels, | ||
| nil, | ||
| ), | ||
| blkReadTimeSeconds: prometheus.NewDesc( | ||
| prometheus.BuildFQName(namespace, statementsSubSystem, "blk_read_time_seconds"), | ||
| "", | ||
| variableLabels, | ||
| nil, | ||
| ), | ||
| blkWriteTimeSeconds: prometheus.NewDesc( | ||
| prometheus.BuildFQName(namespace, statementsSubSystem, "blk_write_time_seconds"), | ||
| "", | ||
| variableLabels, | ||
| nil, | ||
| ), | ||
| } | ||
| } | ||
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| // Describe implements the prometheus.Collector. | ||
| func (c *PgStatStatementsCollector) Describe(ch chan<- *prometheus.Desc) { | ||
| ch <- c.calls | ||
| ch <- c.totalTimeSeconds | ||
| ch <- c.minTimeSeconds | ||
| ch <- c.maxTimeSeconds | ||
| ch <- c.meanTimeSeconds | ||
| ch <- c.stdDevTimeSeconds | ||
| ch <- c.rows | ||
| ch <- c.sharedBlksHit | ||
| ch <- c.sharedBlksRead | ||
| ch <- c.sharedBlksDirtied | ||
| ch <- c.sharedBlksWritten | ||
| ch <- c.localBlksHit | ||
| ch <- c.localBlksRead | ||
| ch <- c.localBlksDirtied | ||
| ch <- c.localBlksWritten | ||
| ch <- c.tempBlksRead | ||
| ch <- c.tempBlksWritten | ||
| ch <- c.blkReadTimeSeconds | ||
| ch <- c.blkWriteTimeSeconds | ||
| } | ||
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| // Collect implements the promtheus.Collector. | ||
| func (c *PgStatStatementsCollector) Collect(ch chan<- prometheus.Metric) { | ||
| c.mutex.Lock() | ||
| defer c.mutex.Unlock() | ||
| _ = c.Scrape(ch) | ||
| } | ||
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| // Scrape implements our Scraper interfacc. | ||
| func (c *PgStatStatementsCollector) Scrape(ch chan<- prometheus.Metric) error { | ||
| c.mutex.Lock() | ||
| defer c.mutex.Unlock() | ||
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| statementStats, err := c.db.SelectPgStatStatements(context.Background()) | ||
| if err != nil { | ||
| return fmt.Errorf("statement stats: %w", err) | ||
| } | ||
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| for _, stat := range statementStats { | ||
| ch <- prometheus.MustNewConstMetric(c.calls, prometheus.CounterValue, float64(stat.Calls), stat.RolName, stat.DatName, stat.QueryID) | ||
| ch <- prometheus.MustNewConstMetric(c.totalTimeSeconds, prometheus.CounterValue, float64(stat.TotalTimeSeconds), stat.RolName, stat.DatName, stat.QueryID) | ||
| ch <- prometheus.MustNewConstMetric(c.minTimeSeconds, prometheus.GaugeValue, float64(stat.MinTimeSeconds), stat.RolName, stat.DatName, stat.QueryID) | ||
| ch <- prometheus.MustNewConstMetric(c.maxTimeSeconds, prometheus.GaugeValue, float64(stat.MaxTimeSeconds), stat.RolName, stat.DatName, stat.QueryID) | ||
| ch <- prometheus.MustNewConstMetric(c.meanTimeSeconds, prometheus.GaugeValue, float64(stat.MeanTimeSeconds), stat.RolName, stat.DatName, stat.QueryID) | ||
| ch <- prometheus.MustNewConstMetric(c.stdDevTimeSeconds, prometheus.GaugeValue, float64(stat.StdDevTimeSeconds), stat.RolName, stat.DatName, stat.QueryID) | ||
| ch <- prometheus.MustNewConstMetric(c.rows, prometheus.CounterValue, float64(stat.Rows), stat.RolName, stat.DatName, stat.QueryID) | ||
| ch <- prometheus.MustNewConstMetric(c.sharedBlksHit, prometheus.CounterValue, float64(stat.SharedBlksHit), stat.RolName, stat.DatName, stat.QueryID) | ||
| ch <- prometheus.MustNewConstMetric(c.sharedBlksRead, prometheus.CounterValue, float64(stat.SharedBlksRead), stat.RolName, stat.DatName, stat.QueryID) | ||
| ch <- prometheus.MustNewConstMetric(c.sharedBlksDirtied, prometheus.CounterValue, float64(stat.SharedBlksDirtied), stat.RolName, stat.DatName, stat.QueryID) | ||
| ch <- prometheus.MustNewConstMetric(c.sharedBlksWritten, prometheus.CounterValue, float64(stat.SharedBlksWritten), stat.RolName, stat.DatName, stat.QueryID) | ||
| ch <- prometheus.MustNewConstMetric(c.localBlksHit, prometheus.CounterValue, float64(stat.LocalBlksHit), stat.RolName, stat.DatName, stat.QueryID) | ||
| ch <- prometheus.MustNewConstMetric(c.localBlksRead, prometheus.CounterValue, float64(stat.LocalBlksRead), stat.RolName, stat.DatName, stat.QueryID) | ||
| ch <- prometheus.MustNewConstMetric(c.localBlksDirtied, prometheus.CounterValue, float64(stat.LocalBlksDirtied), stat.RolName, stat.DatName, stat.QueryID) | ||
| ch <- prometheus.MustNewConstMetric(c.localBlksWritten, prometheus.CounterValue, float64(stat.LocalBlksWritten), stat.RolName, stat.DatName, stat.QueryID) | ||
| ch <- prometheus.MustNewConstMetric(c.tempBlksRead, prometheus.CounterValue, float64(stat.TempBlksRead), stat.RolName, stat.DatName, stat.QueryID) | ||
| ch <- prometheus.MustNewConstMetric(c.tempBlksWritten, prometheus.CounterValue, float64(stat.TempBlksWritten), stat.RolName, stat.DatName, stat.QueryID) | ||
| ch <- prometheus.MustNewConstMetric(c.blkReadTimeSeconds, prometheus.CounterValue, float64(stat.BlkReadTimeSeconds), stat.RolName, stat.DatName, stat.QueryID) | ||
| ch <- prometheus.MustNewConstMetric(c.blkWriteTimeSeconds, prometheus.CounterValue, float64(stat.BlkWriteTimeSeconds), stat.RolName, stat.DatName, stat.QueryID) | ||
| } | ||
| return nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,3 +1,7 @@ | ||
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| ### Linting | ||
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| gofmt -w ~/postgres-exporter/exporter | ||
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| ### Vendorising | ||
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| gofmt -w ~/postgres-exporter |