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PMM-10274 Add tests for node_exporter
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,42 @@ | ||
| ######################### | ||
| ### tests | ||
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| # measures avg scrape time and compares old vs new exporters | ||
| test-performance: | ||
| go test -v -run '^TestPerformance$$' -args -doRun=true | ||
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| extraMetrics = false | ||
| multipleLabels = false | ||
| dumpMetrics = false | ||
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| test-metrics: | ||
| go test -v -run '^TestMissingMetrics$$' -args -doRun=true | ||
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| test-labels: | ||
| go test -v -run '^TestMissingLabels$$' -args -doRun=true | ||
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| test-resolutions-duplicates: | ||
| go test -v -run '^TestResolutionsMetricDuplicates$$' -args -doRun=true | ||
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| test-resolutions: | ||
| go test -v -run '^TestResolutions$$' -args -doRun=true | ||
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| dump-metrics: | ||
| go test -v -run '^TestDumpMetrics$$' -args -doRun=true -extraMetrics=$(extraMetrics) -multipleLabels=$(multipleLabels) -dumpMetrics=$(dumpMetrics) | ||
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| test-consistency: test-metrics test-resolutions test-resolutions-duplicates | ||
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| ######################### | ||
| ### env preparation | ||
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| # download exporter from provided feature build's client binary url | ||
| prepare-exporter: | ||
| go test -v -run '^TestPrepareUpdatedExporter$\' -args -doRun=true -url=$(url) | ||
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| prepare-exporter-from-repo: | ||
| make -C ../../../ build && cp ../../../node_exporter assets/node_exporter | ||
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| prepare-base-exporter: | ||
| tar -xf assets/node_exporter_percona.tar.xz -C assets/ | ||
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| prepare-env-from-repo: prepare-exporter-from-repo prepare-base-exporter |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,89 @@ | ||
| package percona_tests | ||
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| import ( | ||
| "archive/tar" | ||
| "compress/gzip" | ||
| "io" | ||
| "log" | ||
| "net/http" | ||
| "os" | ||
| "os/exec" | ||
| "strings" | ||
| "testing" | ||
| ) | ||
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| // TestPrepareExporters extracts exporter from client binary's tar.gz | ||
| func TestPrepareUpdatedExporter(t *testing.T) { | ||
| if doRun == nil || !*doRun { | ||
| t.Skip("For manual runs only through make") | ||
| return | ||
| } | ||
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| if url == nil || *url == "" { | ||
| t.Error("URL not defined") | ||
| return | ||
| } | ||
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| prepareExporter(*url, updatedExporterFileName) | ||
| } | ||
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| func extractExporter(gzipStream io.Reader, fileName string) { | ||
| uncompressedStream, err := gzip.NewReader(gzipStream) | ||
| if err != nil { | ||
| log.Fatal("ExtractTarGz: NewReader failed") | ||
| } | ||
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| tarReader := tar.NewReader(uncompressedStream) | ||
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| exporterFound := false | ||
| for !exporterFound { | ||
| header, err := tarReader.Next() | ||
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| if err == io.EOF { | ||
| break | ||
| } | ||
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| if err != nil { | ||
| log.Fatalf("ExtractTarGz: Next() failed: %s", err.Error()) | ||
| } | ||
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| switch header.Typeflag { | ||
| case tar.TypeDir: | ||
| continue | ||
| case tar.TypeReg: | ||
| if strings.HasSuffix(header.Name, "postgres_exporter") { | ||
| outFile, err := os.Create(fileName) | ||
| if err != nil { | ||
| log.Fatalf("ExtractTarGz: Create() failed: %s", err.Error()) | ||
| } | ||
| defer outFile.Close() | ||
| if _, err := io.Copy(outFile, tarReader); err != nil { | ||
| log.Fatalf("ExtractTarGz: Copy() failed: %s", err.Error()) | ||
| } | ||
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| exporterFound = true | ||
| } | ||
| default: | ||
| log.Fatalf( | ||
| "ExtractTarGz: uknown type: %d in %s", | ||
| header.Typeflag, | ||
| header.Name) | ||
| } | ||
| } | ||
| } | ||
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| func prepareExporter(url, fileName string) { | ||
| resp, err := http.Get(url) | ||
| if err != nil { | ||
| log.Fatal(err) | ||
| } | ||
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| defer resp.Body.Close() | ||
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| extractExporter(resp.Body, fileName) | ||
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| err = exec.Command("chmod", "+x", fileName).Run() | ||
| if err != nil { | ||
| log.Fatal(err) | ||
| } | ||
| } |
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