github.com/m3db/m3@v1.5.0/src/dbnode/storage/bootstrap_instrumentation_test.go (about)

     1  // Copyright (c) 2021 Uber Technologies, Inc.
     2  //
     3  // Permission is hereby granted, free of charge, to any person obtaining a copy
     4  // of this software and associated documentation files (the "Software"), to deal
     5  // in the Software without restriction, including without limitation the rights
     6  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     7  // copies of the Software, and to permit persons to whom the Software is
     8  // furnished to do so, subject to the following conditions:
     9  //
    10  // The above copyright notice and this permission notice shall be included in
    11  // all copies or substantial portions of the Software.
    12  //
    13  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    14  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    15  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    16  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    17  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    18  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    19  // THE SOFTWARE.
    20  
    21  package storage
    22  
    23  import (
    24  	"errors"
    25  	"strings"
    26  	"testing"
    27  
    28  	"github.com/stretchr/testify/assert"
    29  	"github.com/uber-go/tally"
    30  
    31  	"github.com/m3db/m3/src/dbnode/storage/bootstrap"
    32  	xerrors "github.com/m3db/m3/src/x/errors"
    33  )
    34  
    35  func TestBootstrapRetryMetricReason(t *testing.T) {
    36  	tests := []struct {
    37  		name           string
    38  		err            error
    39  		expectedReason string
    40  	}{
    41  		{
    42  			name:           "any error",
    43  			err:            xerrors.NewInvalidParamsError(errors.New("some error")),
    44  			expectedReason: "other",
    45  		},
    46  		{
    47  			name:           "obsolete ranges error",
    48  			err:            xerrors.NewInvalidParamsError(bootstrap.ErrFileSetSnapshotTypeRangeAdvanced),
    49  			expectedReason: "obsolete-ranges",
    50  		},
    51  	}
    52  
    53  	for _, tt := range tests {
    54  		t.Run(tt.name, func(t *testing.T) {
    55  			testScope := tally.NewTestScope("testScope", map[string]string{})
    56  			options := NewOptions()
    57  			options = options.SetInstrumentOptions(options.InstrumentOptions().SetMetricsScope(testScope))
    58  			instr := newBootstrapInstrumentation(options)
    59  
    60  			instr.bootstrapFailed(1, tt.err)
    61  
    62  			retryMetrics := getBootstrapRetryMetrics(testScope)
    63  			assert.NotEmpty(t, retryMetrics)
    64  			assert.Equal(t, 1, retryMetrics[tt.expectedReason], "metric with reason:%v should be set to 1")
    65  			for reason, value := range retryMetrics {
    66  				if reason != tt.expectedReason {
    67  					assert.Equal(t, 0, value, "metric with reason:%v should stay 0")
    68  				}
    69  			}
    70  		})
    71  	}
    72  }
    73  
    74  func getBootstrapRetryMetrics(testScope tally.TestScope) map[string]int {
    75  	const (
    76  		metricName = "bootstrap-retries"
    77  		reasonTag  = "reason"
    78  	)
    79  	valuesByReason := make(map[string]int)
    80  	for _, counter := range testScope.Snapshot().Counters() {
    81  		if strings.Contains(counter.Name(), metricName) {
    82  			reason := ""
    83  			if r, ok := counter.Tags()[reasonTag]; ok {
    84  				reason = r
    85  			}
    86  			valuesByReason[reason] = int(counter.Value())
    87  		}
    88  	}
    89  	return valuesByReason
    90  }