14495: Add warnings when estimateDockerImageSize gets bad input

[arvados.git] / lib / dispatchcloud / node_size.go

diff --git a/lib/dispatchcloud/node_size.go b/lib/dispatchcloud/node_size.go
index 7706e411b4b721be1c1ff378ac49ebe03fc92333..339e042c1aa0d15cb3f6cf1994c6146bf34de11d 100644 (file)
--- a/lib/dispatchcloud/node_size.go
+++ b/lib/dispatchcloud/node_size.go
@@ -38,10 +38,12 @@ var pdhRegexp = regexp.MustCompile(`^[0-9a-f]{32}\+(\d+)$`)
 func estimateDockerImageSize(collectionPDH string) int64 {
        m := pdhRegexp.FindStringSubmatch(collectionPDH)
        if m == nil {
+               log.Printf("estimateDockerImageSize: '%v' did not match pdhRegexp, returning 0", collectionPDH)
                return 0
        }
        n, err := strconv.ParseInt(m[1], 10, 64)
        if err != nil || n < 122 {
+               log.Printf("estimateDockerImageSize: short manifest %v or error (%v), returning 0", n, err)
                return 0
        }
        // To avoid having to fetch the collection, take advantage of