diff options
| -rw-r--r-- | pkg/machine/fcos.go | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/pkg/machine/fcos.go b/pkg/machine/fcos.go index 943b9fd3c..49ec01e67 100644 --- a/pkg/machine/fcos.go +++ b/pkg/machine/fcos.go @@ -3,8 +3,6 @@ package machine import ( - "crypto/sha256" - "io/ioutil" url2 "net/url" "os" "path/filepath" @@ -12,6 +10,7 @@ import ( "strings" digest "github.com/opencontainers/go-digest" + "github.com/sirupsen/logrus" ) // These should eventually be moved into machine/qemu as @@ -95,12 +94,19 @@ func UpdateAvailable(d *Download) (bool, error) { if _, err := os.Stat(d.LocalPath); os.IsNotExist(err) { return false, nil } - b, err := ioutil.ReadFile(d.LocalPath) + fd, err := os.Open(d.LocalPath) + if err != nil { + return false, err + } + defer func() { + if err := fd.Close(); err != nil { + logrus.Error(err) + } + }() + sum, err := digest.SHA256.FromReader(fd) if err != nil { return false, err } - s := sha256.Sum256(b) - sum := digest.NewDigestFromBytes(digest.SHA256, s[:]) return sum.Encoded() == d.Sha256sum, nil } |