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Fix file_instances metric collector (#205)

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* Add event_name label to perf_schema file_instances

Include the event name column as a label for metrics gathered from
`performance_schema.file_summary_by_instance`.

* Change file_instances path cleaner default

Default to not cleaning the path on `performance_schema.file_summary_by_instance`
names to avoid name colisions.
This commit is contained in:
Ben Kochie
2017-07-05 19:54:37 +02:00
committed by GitHub
parent bfc59d86fa
commit e755b01ea4
2 changed files with 21 additions and 21 deletions
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22
collector/perf_schema_file_instances_test.go
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@ -23,11 +23,11 @@ func TestScrapePerfFileInstances(t *testing.T) {
}
defer db.Close()
columns := []string{"FILE_NAME", "COUNT_READ", "COUNT_WRITE", "SUM_NUMBER_OF_BYTES_READ", "SUM_NUMBER_OF_BYTES_WRITE"}
columns := []string{"FILE_NAME", "EVENT_NAME", "COUNT_READ", "COUNT_WRITE", "SUM_NUMBER_OF_BYTES_READ", "SUM_NUMBER_OF_BYTES_WRITE"}
rows := sqlmock.NewRows(columns).
AddRow("file_1", "3", "4", "725", "128").
AddRow("file_2", "23", "12", "3123", "967")
AddRow("file_1", "event1", "3", "4", "725", "128").
AddRow("file_2", "event2", "23", "12", "3123", "967")
mock.ExpectQuery(sanitizeQuery(perfFileInstancesQuery)).WillReturnRows(rows)
ch := make(chan prometheus.Metric)
@ -39,14 +39,14 @@ func TestScrapePerfFileInstances(t *testing.T) {
}()
metricExpected := []MetricResult{
{labels: labelMap{"file_name": "file_1", "mode": "read"}, value: 3, metricType: dto.MetricType_COUNTER},
{labels: labelMap{"file_name": "file_1", "mode": "write"}, value: 4, metricType: dto.MetricType_COUNTER},
{labels: labelMap{"file_name": "file_1", "mode": "read"}, value: 725, metricType: dto.MetricType_COUNTER},
{labels: labelMap{"file_name": "file_1", "mode": "write"}, value: 128, metricType: dto.MetricType_COUNTER},
{labels: labelMap{"file_name": "file_2", "mode": "read"}, value: 23, metricType: dto.MetricType_COUNTER},
{labels: labelMap{"file_name": "file_2", "mode": "write"}, value: 12, metricType: dto.MetricType_COUNTER},
{labels: labelMap{"file_name": "file_2", "mode": "read"}, value: 3123, metricType: dto.MetricType_COUNTER},
{labels: labelMap{"file_name": "file_2", "mode": "write"}, value: 967, metricType: dto.MetricType_COUNTER},
{labels: labelMap{"file_name": "file_1", "event_name": "event1", "mode": "read"}, value: 3, metricType: dto.MetricType_COUNTER},
{labels: labelMap{"file_name": "file_1", "event_name": "event1", "mode": "write"}, value: 4, metricType: dto.MetricType_COUNTER},
{labels: labelMap{"file_name": "file_1", "event_name": "event1", "mode": "read"}, value: 725, metricType: dto.MetricType_COUNTER},
{labels: labelMap{"file_name": "file_1", "event_name": "event1", "mode": "write"}, value: 128, metricType: dto.MetricType_COUNTER},
{labels: labelMap{"file_name": "file_2", "event_name": "event2", "mode": "read"}, value: 23, metricType: dto.MetricType_COUNTER},
{labels: labelMap{"file_name": "file_2", "event_name": "event2", "mode": "write"}, value: 12, metricType: dto.MetricType_COUNTER},
{labels: labelMap{"file_name": "file_2", "event_name": "event2", "mode": "read"}, value: 3123, metricType: dto.MetricType_COUNTER},
{labels: labelMap{"file_name": "file_2", "event_name": "event2", "mode": "write"}, value: 967, metricType: dto.MetricType_COUNTER},
}
convey.Convey("Metrics comparison", t, func() {
for _, expect := range metricExpected {