101 lines
2.6 KiB
Go
101 lines
2.6 KiB
Go
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package mongodb
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import (
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"fmt"
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"reflect"
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"strconv"
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"github.com/influxdb/telegraf/plugins"
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)
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type MongodbData struct {
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StatLine *StatLine
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Tags map[string]string
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}
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func NewMongodbData(statLine *StatLine, tags map[string]string) *MongodbData {
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if statLine.NodeType != "" && statLine.NodeType != "UNK" {
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tags["state"] = statLine.NodeType
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}
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return &MongodbData{
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StatLine: statLine,
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Tags: tags,
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}
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}
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var DefaultStats = map[string]string{
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"inserts_per_sec": "Insert",
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"queries_per_sec": "Query",
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"updates_per_sec": "Update",
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"deletes_per_sec": "Delete",
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"getmores_per_sec": "GetMore",
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"commands_per_sec": "Command",
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"flushes_per_sec": "Flushes",
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"vsize_megabytes": "Virtual",
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"resident_megabytes": "Resident",
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"queued_reads": "QueuedReaders",
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"queued_writes": "QueuedWriters",
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"active_reads": "ActiveReaders",
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"active_writes": "ActiveWriters",
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"net_in_bytes": "NetIn",
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"net_out_bytes": "NetOut",
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"open_connections": "NumConnections",
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}
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var DefaultReplStats = map[string]string{
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"repl_inserts_per_sec": "InsertR",
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"repl_queries_per_sec": "QueryR",
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"repl_updates_per_sec": "UpdateR",
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"repl_deletes_per_sec": "DeleteR",
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"repl_getmores_per_sec": "GetMoreR",
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"repl_commands_per_sec": "CommandR",
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"member_status": "NodeType",
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}
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var MmapStats = map[string]string{
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"mapped_megabytes": "Mapped",
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"non-mapped_megabytes": "NonMapped",
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"page_faults_per_sec": "Faults",
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}
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var WiredTigerStats = map[string]string{
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"percent_cache_dirty": "CacheDirtyPercent",
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"percent_cache_used": "CacheUsedPercent",
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}
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func (d *MongodbData) AddDefaultStats(acc plugins.Accumulator) {
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statLine := reflect.ValueOf(d.StatLine).Elem()
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d.addStat(acc, statLine, DefaultStats)
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if d.StatLine.NodeType != "" {
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d.addStat(acc, statLine, DefaultReplStats)
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}
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if d.StatLine.StorageEngine == "mmapv1" {
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d.addStat(acc, statLine, MmapStats)
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} else if d.StatLine.StorageEngine == "wiredTiger" {
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for key, value := range WiredTigerStats {
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val := statLine.FieldByName(value).Interface()
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percentVal := fmt.Sprintf("%.1f", val.(float64)*100)
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floatVal, _ := strconv.ParseFloat(percentVal, 64)
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d.add(acc, key, floatVal)
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}
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}
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}
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func (d *MongodbData) addStat(acc plugins.Accumulator, statLine reflect.Value, stats map[string]string) {
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for key, value := range stats {
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val := statLine.FieldByName(value).Interface()
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d.add(acc, key, val)
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}
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}
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func (d *MongodbData) add(acc plugins.Accumulator, key string, val interface{}) {
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acc.AddValuesWithTime(
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key,
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map[string]interface{}{
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"value": val,
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},
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d.Tags,
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d.StatLine.Time,
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)
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}
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