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/
metrics.go
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/
metrics.go
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// Copyright 2021 the Exposure Notifications Server 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.
package exportimport
import (
"context"
"strconv"
"github.com/google/exposure-notifications-server/internal/metrics"
"github.com/google/exposure-notifications-server/pkg/logging"
"github.com/google/exposure-notifications-server/pkg/observability"
"go.opencensus.io/stats"
"go.opencensus.io/stats/view"
"go.opencensus.io/tag"
)
const metricPrefix = metrics.MetricRoot + "export-importer"
var exportimportConfigIDTagKey = tag.MustNewKey("export_importer_config_id")
var (
// mImportSuccess is the overall success of the import job.
mImportSuccess = stats.Int64(metricPrefix+"/import/success", "successful import execution", stats.UnitDimensionless)
// mScheduleSuccess is the overall success of the scheduler job.
mScheduleSuccess = stats.Int64(metricPrefix+"/schedule/success", "successful schedule execution", stats.UnitDimensionless)
// Configuration specific metrics.
mFilesScheduled = stats.Int64(metricPrefix+"/files_scheduled", "Number of import files scheduled by ID", stats.UnitDimensionless)
mFilesImported = stats.Int64(metricPrefix+"/files_imported", "Number of import files completed by ID", stats.UnitDimensionless)
mFilesFailed = stats.Int64(metricPrefix+"/files_failed", "Number of import files failed by ID", stats.UnitDimensionless)
)
func init() {
observability.CollectViews([]*view.View{
{
Name: metricPrefix + "/import/success",
Description: "Number of import successes",
Measure: mImportSuccess,
Aggregation: view.Count(),
},
{
Name: metricPrefix + "/schedule/success",
Description: "Number of scheduler successes",
Measure: mScheduleSuccess,
Aggregation: view.Count(),
},
{
Name: metricPrefix + "/files_scheduled",
Description: "Total count of files scheduled, by configuration",
Measure: mFilesScheduled,
Aggregation: view.Sum(),
TagKeys: metricsTagKeys(),
},
{
Name: metricPrefix + "/files_imported",
Description: "Total count of files imported, by configuration",
Measure: mFilesImported,
Aggregation: view.Sum(),
TagKeys: metricsTagKeys(),
},
{
Name: metricPrefix + "/files_failed",
Description: "Total count of files failed, by configuration",
Measure: mFilesFailed,
Aggregation: view.Sum(),
TagKeys: metricsTagKeys(),
},
}...)
}
func metricsTagKeys() []tag.Key {
return []tag.Key{
exportimportConfigIDTagKey,
}
}
func metricsWithExportImportID(octx context.Context, id int64) context.Context {
idStr := strconv.FormatInt(id, 10)
ctx, err := tag.New(octx, tag.Upsert(exportimportConfigIDTagKey, idStr))
if err != nil {
logging.FromContext(octx).Named("metricsWithExportImportID").
Errorw("failed upsert exportimport on context", "error", err, "export_import_id", id)
return octx
}
return ctx
}