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metrics.go
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metrics.go
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// Copyright 2020 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 federationin contains OpenCensus metrics and views for federationin operations
package federationin
import (
"github.com/google/exposure-notifications-server/internal/metrics"
"github.com/google/exposure-notifications-server/pkg/observability"
"go.opencensus.io/stats"
"go.opencensus.io/stats/view"
)
var (
publishMetricsPrefix = metrics.MetricRoot + "federationin/"
mPullInvalidRequest = stats.Int64(publishMetricsPrefix+"pull_invalid_request",
"Invalid query IDs in pull operation", stats.UnitDimensionless)
mPullLockContention = stats.Int64(publishMetricsPrefix+"pull_lock_contention",
"Lock contention during pull operation", stats.UnitDimensionless)
mPullInserts = stats.Int64(publishMetricsPrefix+"pull_insertions",
"Pull insertion", stats.UnitDimensionless)
mPullRevisions = stats.Int64(publishMetricsPrefix+"pull_revision",
"Pull revision", stats.UnitDimensionless)
mPullDropped = stats.Int64(publishMetricsPrefix+"pull_dropped",
"Pull dropped", stats.UnitDimensionless)
)
func init() {
observability.CollectViews([]*view.View{
{
Name: metrics.MetricRoot + "pull_invalid_request_count",
Description: "Total count of errors in pulling query IDs",
Measure: mPullInvalidRequest,
Aggregation: view.Sum(),
},
{
Name: metrics.MetricRoot + "pull_lock_contention_count",
Description: "Total count of lock contention during pull operations",
Measure: mPullLockContention,
Aggregation: view.Sum(),
},
{
Name: metrics.MetricRoot + "pull_insertions_latest",
Description: "Last value of exposure insertions",
Measure: mPullInserts,
Aggregation: view.LastValue(),
},
{
Name: metrics.MetricRoot + "pull_revisions_latest",
Description: "Last value of exposure revisions",
Measure: mPullRevisions,
Aggregation: view.LastValue(),
},
{
Name: metrics.MetricRoot + "pull_droped_latest",
Description: "Last value of exposure droped",
Measure: mPullDropped,
Aggregation: view.LastValue(),
},
}...)
}