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metrics.go
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metrics.go
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// Copyright (c) 2019 Uber Technologies, Inc.
//
// 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 hostsvc
import "github.com/uber-go/tally"
// Metrics is a placeholder for all metrics in host.svc
type Metrics struct {
StartMaintenanceAPI tally.Counter
StartMaintenanceSuccess tally.Counter
StartMaintenanceFail tally.Counter
CompleteMaintenanceAPI tally.Counter
CompleteMaintenanceSuccess tally.Counter
CompleteMaintenanceFail tally.Counter
QueryHostsAPI tally.Counter
QueryHostsSuccess tally.Counter
QueryHostsFail tally.Counter
}
// NewMetrics returns a new instance of host.svc.Metrics
func NewMetrics(scope tally.Scope) *Metrics {
apiScope := scope.SubScope("api")
successScope := scope.Tagged(map[string]string{"result": "success"})
failScope := scope.Tagged(map[string]string{"result": "fail"})
return &Metrics{
StartMaintenanceAPI: apiScope.Counter("start_maintenance"),
StartMaintenanceSuccess: successScope.Counter("start_maintenance"),
StartMaintenanceFail: failScope.Counter("start_maintenance"),
CompleteMaintenanceAPI: apiScope.Counter("complete_maintenance"),
CompleteMaintenanceSuccess: successScope.Counter("complete_maintenance"),
CompleteMaintenanceFail: failScope.Counter("complete_maintenance"),
QueryHostsAPI: apiScope.Counter("query_hosts"),
QueryHostsSuccess: successScope.Counter("query_hosts"),
QueryHostsFail: failScope.Counter("query_hosts"),
}
}