FC: change minimum supported version of Firecracker to v0.21.1

Some changes in Firecracker v0.21.1 is incompatible with the old versions. So we need to update the minimum supported FC version to v0.21.1 Fixes: #2504 Signed-off-by: Penny Zheng <[email protected]>
kata-containers · Mar 23, 2020 · d60902a · d60902a
1 parent aadf8c4
commit d60902a
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/virtcontainers/fc.go b/virtcontainers/fc.go
@@ -80,7 +80,7 @@ const (
 )
 
 // Specify the minimum version of firecracker supported
-var fcMinSupportedVersion = semver.MustParse("0.19.0")
+var fcMinSupportedVersion = semver.MustParse("0.21.1")
 
 var fcKernelParams = append(commonVirtioblkKernelRootParams, []Param{
 	// The boot source is the first partition of the first block device added
@@ -300,7 +300,9 @@ func (fc *firecracker) getVersionNumber() (string, error) {
 	var version string
 	fields := strings.Split(string(data), " ")
 	if len(fields) > 1 {
-		version = strings.TrimSpace(fields[1])
+		// The output format of `Firecracker --verion` is as follows
+		// Firecracker v0.21.1
+		version = strings.TrimPrefix(strings.TrimSpace(fields[1]), "v")
 		return version, nil
 	}