X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/0ec4051e60f34786bf7cf78f5b07f50796c68235..d89fc97f4a7ee74edcb1a5856fec560c748b9086:/services/datamanager/datamanager.go

diff --git a/services/datamanager/datamanager.go b/services/datamanager/datamanager.go
index bba36fc397..8e12835842 100644
--- a/services/datamanager/datamanager.go
+++ b/services/datamanager/datamanager.go
@@ -15,7 +15,6 @@ import (
 	"git.curoverse.com/arvados.git/services/datamanager/loggerutil"
 	"git.curoverse.com/arvados.git/services/datamanager/summary"
 	"log"
-	"os"
 	"time"
 )
 
@@ -23,6 +22,7 @@ var (
 	logEventTypePrefix  string
 	logFrequencySeconds int
 	minutesBetweenRuns  int
+	collectionBatchSize int
 	dryRun              bool
 )
 
@@ -39,6 +39,10 @@ func init() {
 		"minutes-between-runs",
 		0,
 		"How many minutes we wait between data manager runs. 0 means run once and exit.")
+	flag.IntVar(&collectionBatchSize,
+		"collection-batch-size",
+		1000,
+		"How many collections to request in each batch.")
 	flag.BoolVar(&dryRun,
 		"dry-run",
 		false,
@@ -86,7 +90,7 @@ func singlerun(arv arvadosclient.ArvadosClient) error {
 	}
 
 	if logEventTypePrefix != "" {
-		arvLogger = logger.NewLogger(logger.LoggerParams{
+		arvLogger, err = logger.NewLogger(logger.LoggerParams{
 			Client:          arv,
 			EventTypePrefix: logEventTypePrefix,
 			WriteInterval:   time.Second * time.Duration(logFrequencySeconds)})
@@ -109,10 +113,9 @@ func singlerun(arv arvadosclient.ArvadosClient) error {
 		dataFetcher = BuildDataFetcher(arv)
 	}
 
-	dataFetcher(arvLogger, &readCollections, &keepServerInfo)
-
-	if readCollections.Err != nil {
-		return readCollections.Err
+	err = dataFetcher(arvLogger, &readCollections, &keepServerInfo)
+	if err != nil {
+		return err
 	}
 
 	err = summary.MaybeWriteData(arvLogger, readCollections, keepServerInfo)
@@ -139,6 +142,11 @@ func singlerun(arv arvadosclient.ArvadosClient) error {
 			rlbss.Count)
 	}
 
+	kc, err := keepclient.MakeKeepClient(&arv)
+	if err != nil {
+		return fmt.Errorf("Error setting up keep client %v", err.Error())
+	}
+
 	// Log that we're finished. We force the recording, since go will
 	// not wait for the write timer before exiting.
 	if arvLogger != nil {
@@ -149,22 +157,9 @@ func singlerun(arv arvadosclient.ArvadosClient) error {
 			p["summary_info"] = summaryInfo
 
 			p["run_info"].(map[string]interface{})["finished_at"] = time.Now()
-			p["run_info"].(map[string]interface{})["args"] = os.Args
 		})
 	}
 
-	// If dry-run, do not issue any changes to keepstore
-	if dryRun {
-		log.Printf("Datamanager dry-run. Returning without issuing any keepstore updates.")
-		return nil
-	}
-
-	// Not dry-run; issue changes to keepstore
-	kc, err := keepclient.MakeKeepClient(&arv)
-	if err != nil {
-		return fmt.Errorf("Error setting up keep client %v", err.Error())
-	}
-
 	pullServers := summary.ComputePullServers(kc,
 		&keepServerInfo,
 		readCollections.BlockToDesiredReplication,
@@ -176,7 +171,7 @@ func singlerun(arv arvadosclient.ArvadosClient) error {
 		&keepServerInfo,
 		replicationSummary.KeepBlocksNotInCollections)
 
-	err = summary.WritePullLists(arvLogger, pullLists)
+	err = summary.WritePullLists(arvLogger, pullLists, dryRun)
 	if err != nil {
 		return err
 	}
@@ -184,37 +179,42 @@ func singlerun(arv arvadosclient.ArvadosClient) error {
 	if trashErr != nil {
 		return err
 	}
-	keep.SendTrashLists(kc, trashLists)
+	keep.SendTrashLists(arvLogger, kc, trashLists, dryRun)
 
 	return nil
 }
 
 // BuildDataFetcher returns a data fetcher that fetches data from remote servers.
 func BuildDataFetcher(arv arvadosclient.ArvadosClient) summary.DataFetcher {
-	return func(arvLogger *logger.Logger,
+	return func(
+		arvLogger *logger.Logger,
 		readCollections *collection.ReadCollections,
-		keepServerInfo *keep.ReadServers) {
-		collectionChannel := make(chan collection.ReadCollections)
-
+		keepServerInfo *keep.ReadServers,
+	) error {
+		collDone := make(chan struct{})
+		var collErr error
 		go func() {
-			collectionChannel <- collection.GetCollectionsAndSummarize(
+			*readCollections, collErr = collection.GetCollectionsAndSummarize(
 				collection.GetCollectionsParams{
 					Client:    arv,
 					Logger:    arvLogger,
-					BatchSize: 50})
+					BatchSize: collectionBatchSize})
+			collDone <- struct{}{}
 		}()
 
-		var err error
-		*keepServerInfo, err = keep.GetKeepServersAndSummarize(
+		var keepErr error
+		*keepServerInfo, keepErr = keep.GetKeepServersAndSummarize(
 			keep.GetKeepServersParams{
 				Client: arv,
 				Logger: arvLogger,
 				Limit:  1000})
 
-		if err != nil {
-			return
-		}
+		<-collDone
 
-		*readCollections = <-collectionChannel
+		// Return a nil error only if both parts succeeded.
+		if collErr != nil {
+			return collErr
+		}
+		return keepErr
 	}
 }