9437: Accept 1-second timestamps from old keepstore servers.

[arvados.git] / services / datamanager / keep / keep.go

diff --git a/services/datamanager/keep/keep.go b/services/datamanager/keep/keep.go
index e7843ea02f8090133a4270465ba2330f579f3be5..651c869ef0780a91ce10c03ed9756b81f9a5ca6f 100644 (file)
--- a/services/datamanager/keep/keep.go
+++ b/services/datamanager/keep/keep.go
@@ -430,13 +430,23 @@ func parseBlockInfoFromIndexLine(indexLine string) (blockInfo BlockInfo, err err
                return
        }
 
-       blockInfo.Mtime, err = strconv.ParseInt(tokens[1], 10, 64)
+       var ns int64
+       ns, err = strconv.ParseInt(tokens[1], 10, 64)
        if err != nil {
                return
        }
-       blockInfo.Digest =
-               blockdigest.DigestWithSize{Digest: locator.Digest,
-                       Size: uint32(locator.Size)}
+       if ns < 1e12 {
+               // An old version of keepstore is giving us timestamps
+               // in seconds instead of nanoseconds. (This threshold
+               // correctly handles all times between 1970-01-02 and
+               // 33658-09-27.)
+               ns = ns * 1e9
+       }
+       blockInfo.Mtime = ns
+       blockInfo.Digest = blockdigest.DigestWithSize{
+               Digest: locator.Digest,
+               Size:   uint32(locator.Size),
+       }
        return
 }