package main
import (
+ "errors"
"flag"
"fmt"
"git.curoverse.com/arvados.git/sdk/go/arvadosclient"
func main() {
flag.Parse()
if minutesBetweenRuns == 0 {
- singlerun()
+ err := singlerun(makeArvadosClient())
+ if err != nil {
+ log.Fatalf("singlerun: %v", err)
+ }
} else {
waitTime := time.Minute * time.Duration(minutesBetweenRuns)
for {
log.Println("Beginning Run")
- singlerun()
+ err := singlerun(makeArvadosClient())
+ if err != nil {
+ log.Printf("singlerun: %v", err)
+ }
log.Printf("Sleeping for %d minutes", minutesBetweenRuns)
time.Sleep(waitTime)
}
}
}
-func singlerun() {
+func makeArvadosClient() arvadosclient.ArvadosClient {
arv, err := arvadosclient.MakeArvadosClient()
if err != nil {
- log.Fatalf("Error setting up arvados client %s", err.Error())
+ log.Fatalf("Error setting up arvados client: %s", err)
}
+ return arv
+}
- if is_admin, err := util.UserIsAdmin(arv); err != nil {
- log.Fatalf("Error querying current arvados user %s", err.Error())
- } else if !is_admin {
- log.Fatalf("Current user is not an admin. Datamanager can only be run by admins.")
+func singlerun(arv arvadosclient.ArvadosClient) error {
+ var err error
+ if isAdmin, err := util.UserIsAdmin(arv); err != nil {
+ return errors.New("Error verifying admin token: " + err.Error())
+ } else if !isAdmin {
+ return errors.New("Current user is not an admin. Datamanager requires a privileged token.")
}
var arvLogger *logger.Logger
}
var (
+ dataFetcher summary.DataFetcher
readCollections collection.ReadCollections
keepServerInfo keep.ReadServers
)
- if !summary.MaybeReadData(arvLogger, &readCollections, &keepServerInfo) {
- collectionChannel := make(chan collection.ReadCollections)
-
- go func() {
- collectionChannel <- collection.GetCollectionsAndSummarize(
- collection.GetCollectionsParams{
- Client: arv,
- Logger: arvLogger,
- BatchSize: 50})
- }()
-
- keepServerInfo = keep.GetKeepServersAndSummarize(
- keep.GetKeepServersParams{
- Client: arv,
- Logger: arvLogger,
- Limit: 1000})
-
- readCollections = <-collectionChannel
+ if summary.ShouldReadData() {
+ dataFetcher = summary.ReadData
+ } else {
+ dataFetcher = BuildDataFetcher(arv)
}
+ dataFetcher(arvLogger, &readCollections, &keepServerInfo)
+
summary.MaybeWriteData(arvLogger, readCollections, keepServerInfo)
buckets := summary.BucketReplication(readCollections, keepServerInfo)
log.Printf("Blocks In Collections: %d, "+
"\nBlocks In Keep: %d.",
- len(readCollections.BlockToReplication),
+ len(readCollections.BlockToDesiredReplication),
len(keepServerInfo.BlockToServers))
log.Println(replicationCounts.PrettyPrint())
fmt.Sprintf("Error setting up keep client %s", err.Error()))
}
- pullServers := summary.ComputePullServers(&kc,
- &keepServerInfo,
- readCollections.BlockToReplication,
- replicationSummary.UnderReplicatedBlocks)
-
- pullLists := summary.BuildPullLists(pullServers)
-
- summary.WritePullLists(arvLogger, pullLists)
-
// Log that we're finished. We force the recording, since go will
// not wait for the write timer before exiting.
if arvLogger != nil {
- arvLogger.FinalUpdate(func(p map[string]interface{}, e map[string]interface{}) {
+ defer arvLogger.FinalUpdate(func(p map[string]interface{}, e map[string]interface{}) {
summaryInfo := logger.GetOrCreateMap(p, "summary_info")
summaryInfo["block_replication_counts"] = bucketCounts
summaryInfo["replication_summary"] = replicationCounts
p["run_info"].(map[string]interface{})["finished_at"] = time.Now()
})
}
+
+ pullServers := summary.ComputePullServers(kc,
+ &keepServerInfo,
+ readCollections.BlockToDesiredReplication,
+ replicationSummary.UnderReplicatedBlocks)
+
+ pullLists := summary.BuildPullLists(pullServers)
+
+ trashLists, trashErr := summary.BuildTrashLists(kc,
+ &keepServerInfo,
+ replicationSummary.KeepBlocksNotInCollections)
+
+ summary.WritePullLists(arvLogger, pullLists)
+
+ if trashErr != nil {
+ return err
+ }
+ keep.SendTrashLists(kc, trashLists)
+
+ 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,
+ readCollections *collection.ReadCollections,
+ keepServerInfo *keep.ReadServers) {
+ collectionChannel := make(chan collection.ReadCollections)
+
+ go func() {
+ collectionChannel <- collection.GetCollectionsAndSummarize(
+ collection.GetCollectionsParams{
+ Client: arv,
+ Logger: arvLogger,
+ BatchSize: 50})
+ }()
+
+ *keepServerInfo = keep.GetKeepServersAndSummarize(
+ keep.GetKeepServersParams{
+ Client: arv,
+ Logger: arvLogger,
+ Limit: 1000})
+
+ *readCollections = <-collectionChannel
+ }
}