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row.go
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row.go
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/*
* Copyright 2018- The Pixie Authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* SPDX-License-Identifier: Apache-2.0
*/
package run
import (
"encoding/json"
"time"
"github.com/gofrs/uuid"
"px.dev/pixie/src/e2e_test/perf_tool/pkg/metrics"
)
// ResultRow represents a single datapoint for a single metric, to be stored in bigquery.
// Each result row is associated to a particular run of an experiment (via ExperimentID).
type ResultRow struct {
// ExperimentID is a string representation of a UUID.
ExperimentID string `bigquery:"experiment_id"`
Timestamp time.Time `bigquery:"timestamp"`
Name string `bigquery:"name"`
Value float64 `bigquery:"value"`
// JSON encoded map[string]string of tags.
Tags string `bigquery:"tags"`
}
// SpecRow stores an experiments ExperimentSpec in bigquery, encoded as JSON.
// SpecRows are only written to bigquery on experiment success, so all results from failed attempts can be ignored by joining on the ExperimentID
type SpecRow struct {
// ExperimentID is a string representation of a experiment UUID.
ExperimentID string `bigquery:"experiment_id"`
// Spec is a json encoded `experimentpb.ExperimentSpec`
Spec string `bigquery:"spec"`
// CommitTopoOrder is the number of commits since the beginning of history for the commit this experiment was run on.
// This is used to order experiments in datastudio views.
CommitTopoOrder int `bigquery:"commit_topo_order"`
}
// MetricsRowToResultRow converts a `metrics.ResultRow` into a `bq.ResultRow`.
func MetricsRowToResultRow(expID uuid.UUID, row *metrics.ResultRow) (*ResultRow, error) {
encodedTags, err := json.Marshal(row.Tags)
if err != nil {
return nil, err
}
return &ResultRow{
ExperimentID: expID.String(),
Timestamp: row.Timestamp,
Name: row.Name,
Value: row.Value,
Tags: string(encodedTags),
}, nil
}