go.chromium.org/luci@v0.0.0-20240309015107-7cdc2e660f33/gce/appengine/rpc/internal/metrics/leaks.go (about)

     1  // Copyright 2023 The LUCI Authors.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  // Package metrics is tsmon metrics for rpc API
    16  package metrics
    17  
    18  import (
    19  	"context"
    20  
    21  	"go.chromium.org/luci/common/tsmon/field"
    22  	"go.chromium.org/luci/common/tsmon/metric"
    23  )
    24  
    25  var (
    26  	leakedInstances = metric.NewCounter(
    27  		"gce/leaks/untracked_gets",
    28  		"Number of get queries from instances untracked by gce-provider",
    29  		nil,
    30  		field.String("hostname"),
    31  	)
    32  )
    33  
    34  // UpdateUntrackedGets updates.leak metrics of same name
    35  func UpdateUntrackedGets(c context.Context, hostname string) {
    36  	leakedInstances.Add(c, 1, hostname)
    37  }