| // metrics_analysis_on_workers is an application that runs the |
| // analysis_metrics_ct benchmark on all CT workers and uploads results to Google |
| // Storage. The requester is emailed when the task is started and also after |
| // completion. |
| // |
| // Can be tested locally with: |
| // $ go run go/master_scripts/metrics_analysis_on_workers/main.go --run_id=rmistry-test1 --benchmark_extra_args="--output-format=csv" --logtostderr=true --description=testing --metric_name=loadingMetric --analysis_output_link="https://ct.skia.org/results/cluster-telemetry/tasks/benchmark_runs/rmistry-20180502115012/consolidated_outputs/rmistry-20180502115012.output" |
| // |
| package main |
| |
| import ( |
| "context" |
| "errors" |
| "flag" |
| "fmt" |
| "io/ioutil" |
| "os" |
| "path/filepath" |
| "strings" |
| "time" |
| |
| "go.skia.org/infra/ct/go/master_scripts/master_common" |
| "go.skia.org/infra/ct/go/util" |
| "go.skia.org/infra/go/fileutil" |
| "go.skia.org/infra/go/git" |
| "go.skia.org/infra/go/skerr" |
| "go.skia.org/infra/go/sklog" |
| skutil "go.skia.org/infra/go/util" |
| ) |
| |
| const ( |
| MAX_PAGES_PER_SWARMING_BOT = 50 |
| ) |
| |
| var ( |
| benchmarkExtraArgs = flag.String("benchmark_extra_args", "", "The extra arguments that are passed to the analysis_metrics_ct benchmark.") |
| runID = flag.String("run_id", "", "The unique run id (typically requester + timestamp).") |
| |
| metricName = flag.String("metric_name", "", "The metric to parse the traces with. Eg: loadingMetric") |
| analysisOutputLink = flag.String("analysis_output_link", "", "Cloud trace links will be gathered from this specified CT analysis run Id. If not specified, trace links will be read from ${TMPDIR}/<run_id>.traces.csv") |
| valueColumnName = flag.String("value_column_name", "", "Which column's entries to use as field values when combining CSVs.") |
| taskPriority = flag.Int("task_priority", util.TASKS_PRIORITY_MEDIUM, "The priority swarming tasks should run at.") |
| |
| chromiumPatchGSPath = flag.String("chromium_patch_gs_path", "", "The location of the Chromium patch in Google storage.") |
| catapultPatchGSPath = flag.String("catapult_patch_gs_path", "", "The location of the Catapult patch in Google storage.") |
| customTracesCsvGSPath = flag.String("custom_traces_csv_gs_path", "", "The location of the custom traces CSV in Google storage.") |
| ) |
| |
| func metricsAnalysisOnWorkers() error { |
| swarmingClient, err := master_common.Init("run_metrics_analysis") |
| if err != nil { |
| return fmt.Errorf("Could not init: %s", err) |
| } |
| |
| ctx := context.Background() |
| |
| // Instantiate GcsUtil object. |
| gs, err := util.NewGcsUtil(nil) |
| if err != nil { |
| return fmt.Errorf("Could not instantiate gsutil object: %s", err) |
| } |
| |
| // Cleanup dirs after run completes. |
| defer skutil.RemoveAll(filepath.Join(util.StorageDir, util.BenchmarkRunsDir, *runID)) |
| // Finish with glog flush and how long the task took. |
| defer util.TimeTrack(time.Now(), "Running metrics analysis task on workers") |
| defer sklog.Flush() |
| |
| if *runID == "" { |
| return errors.New("Must specify --run_id") |
| } |
| if *metricName == "" { |
| return errors.New("Must specify --metric_name") |
| } |
| |
| // Use defaults. |
| if *valueColumnName == "" { |
| *valueColumnName = util.DEFAULT_VALUE_COLUMN_NAME |
| } |
| |
| for fileSuffix, patchGSPath := range map[string]string{ |
| ".chromium.patch": *chromiumPatchGSPath, |
| ".catapult.patch": *catapultPatchGSPath, |
| ".traces.csv": *customTracesCsvGSPath, |
| } { |
| patch, err := util.GetPatchFromStorage(patchGSPath) |
| if err != nil { |
| return fmt.Errorf("Could not download patch %s from Google storage: %s", patchGSPath, err) |
| } |
| // Add an extra newline at the end because git sometimes rejects patches due to |
| // missing newlines. |
| patch = patch + "\n" |
| patchPath := filepath.Join(os.TempDir(), *runID+fileSuffix) |
| if err := ioutil.WriteFile(patchPath, []byte(patch), 0666); err != nil { |
| return fmt.Errorf("Could not write patch %s to %s: %s", patch, patchPath, err) |
| } |
| defer skutil.Remove(patchPath) |
| } |
| |
| tracesFileName := *runID + ".traces.csv" |
| tracesFilePath := filepath.Join(os.TempDir(), tracesFileName) |
| if *analysisOutputLink != "" { |
| if err := extractTracesFromAnalysisRun(tracesFilePath, gs); err != nil { |
| return fmt.Errorf("Error when extracting traces from run %s to %s: %s", *analysisOutputLink, tracesFilePath, err) |
| } |
| } |
| // Figure out how many traces we are dealing with. |
| traces, err := util.GetCustomPages(tracesFilePath) |
| if err != nil { |
| return fmt.Errorf("Could not read %s: %s", tracesFilePath, err) |
| } |
| |
| // Copy the patches and traces to Google Storage. |
| remoteOutputDir := filepath.Join(util.BenchmarkRunsDir, *runID) |
| chromiumPatchName := *runID + ".chromium.patch" |
| catapultPatchName := *runID + ".catapult.patch" |
| for _, patchName := range []string{chromiumPatchName, catapultPatchName, tracesFileName} { |
| if err := gs.UploadFile(patchName, os.TempDir(), remoteOutputDir); err != nil { |
| return fmt.Errorf("Could not upload %s to %s: %s", patchName, remoteOutputDir, err) |
| } |
| } |
| |
| // Find which chromium hash the workers should use. |
| gitExec, err := git.Executable(ctx) |
| if err != nil { |
| return skerr.Wrap(err) |
| } |
| chromiumHash, err := util.GetChromiumHash(ctx, gitExec) |
| if err != nil { |
| return fmt.Errorf("Could not find the latest chromium hash: %s", err) |
| } |
| |
| // Trigger task to return hash of telemetry isolates. |
| telemetryIsolatePatches := []string{filepath.Join(remoteOutputDir, chromiumPatchName), filepath.Join(remoteOutputDir, catapultPatchName)} |
| telemetryHash, err := util.TriggerIsolateTelemetrySwarmingTask(ctx, "isolate_telemetry", *runID, chromiumHash, "", util.PLATFORM_LINUX, telemetryIsolatePatches, 1*time.Hour, 1*time.Hour, *master_common.Local, swarmingClient) |
| if err != nil { |
| return fmt.Errorf("Error encountered when swarming isolate telemetry task: %s", err) |
| } |
| if telemetryHash == "" { |
| return errors.New("Found empty telemetry hash!") |
| } |
| isolateDeps := []string{telemetryHash} |
| |
| // Calculate the max pages to run per bot. |
| maxPagesPerBot := util.GetMaxPagesPerBotValue(*benchmarkExtraArgs, MAX_PAGES_PER_SWARMING_BOT) |
| // Archive, trigger and collect swarming tasks. |
| baseCmd := []string{ |
| "luci-auth", |
| "context", |
| "--", |
| "bin/metrics_analysis", |
| "-logtostderr", |
| "--run_id=" + *runID, |
| "--benchmark_extra_args=" + *benchmarkExtraArgs, |
| "--metric_name=" + *metricName, |
| "--value_column_name=" + *valueColumnName, |
| } |
| numWorkers, err := util.TriggerSwarmingTask(ctx, "" /* pagesetType */, "metrics_analysis", util.METRICS_ANALYSIS_ISOLATE, *runID, "", util.PLATFORM_LINUX, 12*time.Hour, 3*time.Hour, *taskPriority, maxPagesPerBot, len(traces), true /* runOnGCE */, *master_common.Local, util.GetRepeatValue(*benchmarkExtraArgs, 1), baseCmd, isolateDeps, swarmingClient) |
| if err != nil { |
| return fmt.Errorf("Error encountered when swarming tasks: %s", err) |
| } |
| |
| // If "--output-format=csv" is specified then merge all CSV files and upload. |
| noOutputWorkers := []string{} |
| pathToPyFiles, err := util.GetPathToPyFiles(*master_common.Local) |
| if err != nil { |
| return fmt.Errorf("Could not get path to py files: %s", err) |
| } |
| if strings.Contains(*benchmarkExtraArgs, "--output-format=csv") { |
| if _, noOutputWorkers, err = util.MergeUploadCSVFiles(ctx, *runID, pathToPyFiles, gs, len(traces), maxPagesPerBot, true /* handleStrings */, util.GetRepeatValue(*benchmarkExtraArgs, 1)); err != nil { |
| sklog.Errorf("Unable to merge and upload CSV files for %s: %s", *runID, err) |
| } |
| } |
| // If the number of noOutputWorkers is the same as the total number of triggered workers then consider the run failed. |
| if len(noOutputWorkers) == numWorkers { |
| return fmt.Errorf("All %d workers produced no output", numWorkers) |
| } |
| |
| // Display the no output workers. |
| for _, noOutputWorker := range noOutputWorkers { |
| directLink := fmt.Sprintf(util.SWARMING_RUN_ID_TASK_LINK_PREFIX_TEMPLATE, *runID, "metrics_analysis_"+noOutputWorker) |
| fmt.Printf("Missing output from %s\n", directLink) |
| } |
| |
| return nil |
| } |
| |
| // extractTracesFromAnalysisRuns gathers all traceURLs from the specified analysis |
| // run and writes to the specified outputPath. |
| func extractTracesFromAnalysisRun(outputPath string, gs *util.GcsUtil) error { |
| // Construct path to the google storage locations and download it locally. |
| remoteCsvPath := strings.Split(*analysisOutputLink, util.GCSBucketName+"/")[1] |
| localDownloadPath := filepath.Join(util.StorageDir, util.BenchmarkRunsDir, *runID, "downloads") |
| localCsvPath := filepath.Join(localDownloadPath, *runID+".csv") |
| if err := fileutil.EnsureDirPathExists(localCsvPath); err != nil { |
| return fmt.Errorf("Could not create %s: %s", localDownloadPath, err) |
| } |
| defer skutil.RemoveAll(localDownloadPath) |
| if err := gs.DownloadRemoteFile(remoteCsvPath, localCsvPath); err != nil { |
| return fmt.Errorf("Error downloading %s to %s: %s", remoteCsvPath, localCsvPath, err) |
| } |
| |
| headers, values, err := util.GetRowsFromCSV(localCsvPath) |
| if err != nil { |
| return fmt.Errorf("Could not read %s: %s. Analysis output link: %s", localCsvPath, err, *analysisOutputLink) |
| } |
| // Gather trace URLs from the CSV. |
| traceURLs := []string{} |
| for i := range headers { |
| if headers[i] == "traceUrls" { |
| for j := range values { |
| if values[j][i] != "" { |
| traceURLs = append(traceURLs, values[j][i]) |
| } |
| } |
| } |
| } |
| if len(traceURLs) == 0 { |
| return fmt.Errorf("There were no traceURLs found for the analysis output link: %s", *analysisOutputLink) |
| } |
| if err := ioutil.WriteFile(outputPath, []byte(strings.Join(traceURLs, ",")), 0644); err != nil { |
| return fmt.Errorf("Could not write traceURLs to %s: %s", outputPath, err) |
| } |
| return nil |
| } |
| |
| func main() { |
| retCode := 0 |
| if err := metricsAnalysisOnWorkers(); err != nil { |
| sklog.Errorf("Error while running metrics analysis on workers: %s", err) |
| retCode = 255 |
| } |
| os.Exit(retCode) |
| } |
