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opentracing -> opencensus (#802)

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* update vendor directory, add go.opencensus.io

* update imports

* oops

* s/opentracing/opencensus/ & remove prometheus / zipkin stuff & remove old stats

* the dep train rides again

* fix gin build

* deps from last guy

* start in on the agent metrics

* she builds

* remove tags for now, cardinality error is fussing. subscribe instead of register

* update to patched version of opencensus to proceed for now TODO switch to a release

* meh

fix imports

* println debug the bad boys

* lace it with the tags

* update deps again

* fix all inconsistent cardinality errors

* add our own logger

* fix init

* fix oom measure

* remove bugged removal code

* fix s3 measures

* fix prom handler nil
This commit is contained in:
Reed Allman
2018-03-05 09:35:28 -08:00
committed by GitHub
parent 924d27559c
commit 206aa3c203
5975 changed files with 158755 additions and 566592 deletions
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71
api/agent/state_trackers.go
View File

@@ -5,7 +5,10 @@ import (
"sync"
"time"
"github.com/fnproject/fn/api/common"
"github.com/sirupsen/logrus"
"go.opencensus.io/stats"
"go.opencensus.io/stats/view"
"go.opencensus.io/tag"
)
type RequestStateType int
@@ -137,16 +140,76 @@ func (c *containerState) UpdateState(ctx context.Context, newState ContainerStat
// update old state stats
gaugeKey := containerGaugeKeys[oldState]
if gaugeKey != "" {
common.DecrementGauge(ctx, gaugeKey)
stats.Record(ctx, stats.FindMeasure(gaugeKey).(*stats.Int64Measure).M(-1))
}
timeKey := containerTimeKeys[oldState]
if timeKey != "" {
common.PublishElapsedTimeHistogram(ctx, timeKey, before, now)
stats.Record(ctx, stats.FindMeasure(timeKey).(*stats.Int64Measure).M(int64(now.Sub(before).Round(time.Millisecond))))
}
// update new state stats
gaugeKey = containerGaugeKeys[newState]
if gaugeKey != "" {
common.IncrementGauge(ctx, gaugeKey)
stats.Record(ctx, stats.FindMeasure(gaugeKey).(*stats.Int64Measure).M(1))
}
}
func init() {
// TODO(reed): do we have to do this? the measurements will be tagged on the context, will they be propagated
// or we have to white list them in the view for them to show up? test...
appKey, err := tag.NewKey("fn_appname")
if err != nil {
logrus.Fatal(err)
}
pathKey, err := tag.NewKey("fn_path")
if err != nil {
logrus.Fatal(err)
}
for _, key := range containerGaugeKeys {
if key == "" { // leave nil intentionally, let it panic
continue
}
measure, err := stats.Int64(key, "containers in state "+key, "")
if err != nil {
logrus.Fatal(err)
}
v, err := view.New(
key,
"containers in state "+key,
[]tag.Key{appKey, pathKey},
measure,
view.CountAggregation{},
)
if err != nil {
logrus.Fatalf("cannot create view: %v", err)
}
if err := v.Subscribe(); err != nil {
logrus.Fatal(err)
}
}
for _, key := range containerTimeKeys {
if key == "" {
continue
}
measure, err := stats.Int64(key, "time spent in container state "+key, "ms")
if err != nil {
logrus.Fatal(err)
}
v, err := view.New(
key,
"time spent in container state "+key,
[]tag.Key{appKey, pathKey},
measure,
view.DistributionAggregation{},
)
if err != nil {
logrus.Fatalf("cannot create view: %v", err)
}
if err := v.Subscribe(); err != nil {
logrus.Fatal(err)
}
}
}