Go plugin SDK for xk6-output-plugin.
go get github.com/szkiba/xk6-output-plugin-gopackage main
import (
"context"
"time"
"github.com/hashicorp/go-hclog"
"github.com/szkiba/xk6-output-plugin-go/output"
)
type example struct{}
func (e *example) Init(ctx context.Context, params *output.Params) (*output.Info, error) {
hclog.L().Info("init")
return &output.Info{Description: "example-go plugin"}, nil // nolint:exhaustruct
}
func (e *example) Start(ctx context.Context) error {
hclog.L().Info("start")
return nil
}
func (e *example) Stop(ctx context.Context) error {
hclog.L().Info("stop")
return nil
}
func (e *example) AddMetrics(ctx context.Context, metrics []*output.Metric) error {
hclog.L().Info("metrics")
for _, metric := range metrics {
hclog.L().Info(metric.Name,
"metric.type", metric.Type.String(),
"metric.contains", metric.Contains.String(),
)
}
return nil
}
func (e *example) AddSamples(ctx context.Context, samples []*output.Sample) error {
hclog.L().Info("samples")
for _, sample := range samples {
hclog.L().Info(sample.Metric,
"sample.time", time.UnixMilli(sample.Time).Format(time.RFC3339),
"sample.value", sample.Value,
)
}
return nil
}
func main() {
output.Serve(new(example))
}Output
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/ __________ \ |__| \__\ \_____/ .io
INFO[0000] init plugin=example
INFO[0000] start plugin=example
execution: local
script: script.js
output: example-go plugin
scenarios: (100.00%) 1 scenario, 1 max VUs, 10m30s max duration (incl. graceful stop):
* default: 1 iterations for each of 1 VUs (maxDuration: 10m0s, gracefulStop: 30s)
INFO[0001] metrics plugin=example
INFO[0001] http_reqs metric.contains=DEFAULT metric.type=COUNTER plugin=example
INFO[0001] http_req_duration metric.contains=TIME metric.type=TREND plugin=example
INFO[0001] http_req_blocked metric.contains=TIME metric.type=TREND plugin=example
INFO[0001] http_req_connecting metric.contains=TIME metric.type=TREND plugin=example
INFO[0001] http_req_tls_handshaking metric.contains=TIME metric.type=TREND plugin=example
INFO[0001] http_req_sending metric.contains=TIME metric.type=TREND plugin=example
INFO[0001] http_req_waiting metric.contains=TIME metric.type=TREND plugin=example
INFO[0001] http_req_receiving metric.contains=TIME metric.type=TREND plugin=example
INFO[0001] http_req_failed metric.contains=DEFAULT metric.type=RATE plugin=example
INFO[0001] samples plugin=example
INFO[0001] http_reqs plugin=example sample.time="2023-06-23T09:35:02+02:00" sample.value=1
INFO[0001] http_req_duration plugin=example sample.time="2023-06-23T09:35:02+02:00" sample.value=125.270604
INFO[0001] http_req_blocked plugin=example sample.time="2023-06-23T09:35:02+02:00" sample.value=149.204512
INFO[0001] http_req_connecting plugin=example sample.time="2023-06-23T09:35:02+02:00" sample.value=125.481335
INFO[0001] http_req_tls_handshaking plugin=example sample.time="2023-06-23T09:35:02+02:00" sample.value=0
INFO[0001] http_req_sending plugin=example sample.time="2023-06-23T09:35:02+02:00" sample.value=0.062589
INFO[0001] http_req_waiting plugin=example sample.time="2023-06-23T09:35:02+02:00" sample.value=125.104524
INFO[0001] http_req_receiving plugin=example sample.time="2023-06-23T09:35:02+02:00" sample.value=0.103491
INFO[0001] http_req_failed plugin=example sample.time="2023-06-23T09:35:02+02:00" sample.value=0
INFO[0001] http_reqs plugin=example sample.time="2023-06-23T09:35:02+02:00" sample.value=1
INFO[0001] http_req_duration plugin=example sample.time="2023-06-23T09:35:02+02:00" sample.value=125.571097
INFO[0001] http_req_blocked plugin=example sample.time="2023-06-23T09:35:02+02:00" sample.value=248.7757
INFO[0001] http_req_connecting plugin=example sample.time="2023-06-23T09:35:02+02:00" sample.value=123.46025
INFO[0001] http_req_tls_handshaking plugin=example sample.time="2023-06-23T09:35:02+02:00" sample.value=125.23569
INFO[0001] http_req_sending plugin=example sample.time="2023-06-23T09:35:02+02:00" sample.value=0.049269
INFO[0001] http_req_waiting plugin=example sample.time="2023-06-23T09:35:02+02:00" sample.value=125.398706
INFO[0001] http_req_receiving plugin=example sample.time="2023-06-23T09:35:02+02:00" sample.value=0.123122
INFO[0001] http_req_failed plugin=example sample.time="2023-06-23T09:35:02+02:00" sample.value=0
INFO[0002] metrics plugin=example
INFO[0002] vus metric.contains=DEFAULT metric.type=GAUGE plugin=example
INFO[0002] vus_max metric.contains=DEFAULT metric.type=GAUGE plugin=example
INFO[0002] data_sent metric.contains=DATA metric.type=COUNTER plugin=example
INFO[0002] data_received metric.contains=DATA metric.type=COUNTER plugin=example
INFO[0002] iteration_duration metric.contains=TIME metric.type=TREND plugin=example
INFO[0002] iterations metric.contains=DEFAULT metric.type=COUNTER plugin=example
INFO[0002] samples plugin=example
INFO[0002] vus plugin=example sample.time="2023-06-23T09:35:02+02:00" sample.value=1
INFO[0002] vus_max plugin=example sample.time="2023-06-23T09:35:02+02:00" sample.value=1
INFO[0002] data_sent plugin=example sample.time="2023-06-23T09:35:03+02:00" sample.value=542
INFO[0002] data_received plugin=example sample.time="2023-06-23T09:35:03+02:00" sample.value=17310
INFO[0002] iteration_duration plugin=example sample.time="2023-06-23T09:35:03+02:00" sample.value=1649.955992
INFO[0002] iterations plugin=example sample.time="2023-06-23T09:35:03+02:00" sample.value=1
INFO[0002] stop plugin=example
data_received..................: 17 kB 11 kB/s
data_sent......................: 542 B 329 B/s
http_req_blocked...............: avg=198.99ms min=149.2ms med=198.99ms max=248.77ms p(90)=238.81ms p(95)=243.79ms
http_req_connecting............: avg=124.47ms min=123.46ms med=124.47ms max=125.48ms p(90)=125.27ms p(95)=125.38ms
✓ http_req_duration..............: avg=125.42ms min=125.27ms med=125.42ms max=125.57ms p(90)=125.54ms p(95)=125.55ms
{ expected_response:true }...: avg=125.42ms min=125.27ms med=125.42ms max=125.57ms p(90)=125.54ms p(95)=125.55ms
✓ http_req_failed................: 0.00% ✓ 0 ✗ 2
http_req_receiving.............: avg=113.3µs min=103.49µs med=113.3µs max=123.12µs p(90)=121.15µs p(95)=122.14µs
http_req_sending...............: avg=55.92µs min=49.26µs med=55.92µs max=62.58µs p(90)=61.25µs p(95)=61.92µs
http_req_tls_handshaking.......: avg=62.61ms min=0s med=62.61ms max=125.23ms p(90)=112.71ms p(95)=118.97ms
http_req_waiting...............: avg=125.25ms min=125.1ms med=125.25ms max=125.39ms p(90)=125.36ms p(95)=125.38ms
http_reqs......................: 2 1.212069/s
iteration_duration.............: avg=1.64s min=1.64s med=1.64s max=1.64s p(90)=1.64s p(95)=1.64s
iterations.....................: 1 0.606035/s
vus............................: 1 min=1 max=1
vus_max........................: 1 min=1 max=1
running (00m01.7s), 0/1 VUs, 1 complete and 0 interrupted iterations
default ✓ [======================================] 1 VUs 00m01.7s/10m0s 1/1 iters, 1 per VU