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metrics.go
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/
metrics.go
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//
// Copyright 2019 Insolar Technologies GmbH
//
// 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 instrumenter
import (
"go.opencensus.io/stats"
"go.opencensus.io/stats/view"
"go.opencensus.io/tag"
"github.com/insolar/insolar/instrumentation/insmetrics"
)
var (
tagError = insmetrics.MustTagKey("error")
tagMethod = insmetrics.MustTagKey("method")
tagSubMethod = insmetrics.MustTagKey("subMethod")
)
var (
incomingRequests = stats.Int64("api_incoming", "Count of incoming requests", stats.UnitDimensionless)
statLatency = stats.Int64("api_time", "The latency in milliseconds per API call", stats.UnitMilliseconds)
)
func init() {
err := view.Register(
&view.View{
Name: statLatency.Name(),
Description: statLatency.Description(),
Measure: statLatency,
Aggregation: view.Distribution(25, 500, 1000, 5000, 10000, 15000, 24800),
TagKeys: []tag.Key{tagMethod, tagSubMethod, tagError},
},
&view.View{
Name: incomingRequests.Name(),
Description: incomingRequests.Description(),
TagKeys: []tag.Key{tagMethod},
Measure: incomingRequests,
Aggregation: view.Count(),
},
)
if err != nil {
panic(err)
}
}