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influxdb.go
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influxdb.go
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package transformer
import (
"fmt"
"strings"
"time"
"github.com/cloudfoundry/sonde-go/events"
influxdb "github.com/influxdata/influxdb/client/v2"
"github.com/rakutentech/cf-metrics-refinery/enricher"
)
func ToInfluxDBPoint(event *Envelope) (*influxdb.Point, error) {
if event.Meta.App == "" {
return nil, ErrEventDiscarded
}
switch event.Event.GetEventType() {
default:
return nil, ErrEventDiscarded
case events.Envelope_HttpStartStop:
return convertHttpStartStop(event.Event.GetHttpStartStop(), event.Meta)
case events.Envelope_LogMessage:
return convertLogMessage(event.Event.GetLogMessage(), event.Meta)
case events.Envelope_ContainerMetric:
return convertContainerMetric(event.Event.GetContainerMetric(), event.Event.GetTimestamp(), event.Meta)
}
}
func convertHttpStartStop(e *events.HttpStartStop, meta enricher.AppMetadata) (*influxdb.Point, error) {
start := time.Unix(0, e.GetStartTimestamp())
stop := time.Unix(0, e.GetStopTimestamp())
return influxdb.NewPoint(
"http_request", // metric name
map[string]string{ // tags
"app": meta.App,
"app_guid": meta.AppGUID,
"space": meta.Space,
"space_guid": meta.SpaceGUID,
"org": meta.Org,
"org_guid": meta.OrgGUID,
"instance": fmt.Sprint(e.GetInstanceIndex()),
"method": e.GetMethod().String(),
"status_code": fmt.Sprint(e.GetStatusCode()),
// "instance_guid": e.GetInstanceId(),
},
map[string]interface{}{ // values
"count": 1, // Not needed but for convenience and furthur usage.
"duration": stop.Sub(start).Seconds(),
"response_size": e.GetContentLength(),
},
start, // timestamp
)
}
func convertLogMessage(e *events.LogMessage, meta enricher.AppMetadata) (*influxdb.Point, error) {
if strings.HasPrefix(e.GetSourceType(), "APP") || strings.HasPrefix(e.GetSourceType(), "App") {
return convertAppLogMessage(e, meta)
} else if strings.HasPrefix(e.GetSourceType(), "RTR") {
return convertRtrLogMessage(e, meta)
} else {
return nil, ErrEventDiscarded
}
}
func convertAppLogMessage(e *events.LogMessage, meta enricher.AppMetadata) (*influxdb.Point, error) {
return influxdb.NewPoint(
"log",
map[string]string{
"app": meta.App,
"app_guid": meta.AppGUID,
"space": meta.Space,
"space_guid": meta.SpaceGUID,
"org": meta.Org,
"org_guid": meta.OrgGUID,
"instance": e.GetSourceInstance(),
"type": e.GetMessageType().String(),
// "instance_guid": e.???,
},
map[string]interface{}{
"count": 1, // Not needed but included for convenience.
"size": len(e.GetMessage()),
},
time.Unix(0, e.GetTimestamp()),
)
}
func convertRtrLogMessage(e *events.LogMessage, meta enricher.AppMetadata) (*influxdb.Point, error) {
return influxdb.NewPoint(
"log",
map[string]string{
"app": meta.App,
"app_guid": meta.AppGUID,
"space": meta.Space,
"space_guid": meta.SpaceGUID,
"org": meta.Org,
"org_guid": meta.OrgGUID,
"instance": e.GetSourceInstance(),
"type": "RTR",
},
map[string]interface{}{
"count": 1, // Not needed but included for convenience.
"size": len(e.GetMessage()),
},
time.Unix(0, e.GetTimestamp()),
)
}
func convertContainerMetric(e *events.ContainerMetric, ts int64, meta enricher.AppMetadata) (*influxdb.Point, error) {
return influxdb.NewPoint(
"instance",
map[string]string{
"app": meta.App,
"app_guid": meta.AppGUID,
"space": meta.Space,
"space_guid": meta.SpaceGUID,
"org": meta.Org,
"org_guid": meta.OrgGUID,
"instance": fmt.Sprint(e.GetInstanceIndex()),
// "instance_guid": e.???,
},
map[string]interface{}{
"cpu": e.GetCpuPercentage(),
"memory": int64(e.GetMemoryBytes()),
"disk": int64(e.GetDiskBytes()),
"memory_quota": int64(e.GetMemoryBytesQuota()),
"disk_quota": int64(e.GetDiskBytesQuota()),
"memory_pct": float64(e.GetMemoryBytes()) / float64(e.GetMemoryBytesQuota()),
"disk_pct": float64(e.GetDiskBytes()) / float64(e.GetDiskBytesQuota()),
},
time.Unix(0, ts),
)
}