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Prepare CRIU version check to work with multiple versions 

The upcoming commit to support checkpointing out of Pods requires CRIU
3.16. This changes the CRIU version check to support checking for
different versions.

Signed-off-by: Adrian Reber <areber@redhat.com>
This commit is contained in:
Adrian Reber 2021-07-08 15:24:31 +00:00 committed by Adrian Reber
parent b6c279be22
commit 92dce3e2fe
No known key found for this signature in database
GPG Key ID: 82C9378ED3C4906A
3 changed files with 8 additions and 8 deletions
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10
libpod/container_internal_linux.go
View File

@ -1021,9 +1021,9 @@ func (c *Container) exportCheckpoint(options ContainerCheckpointOptions) error {
return nil
}
func (c *Container) checkpointRestoreSupported() error {
if !criu.CheckForCriu() {
return errors.Errorf("checkpoint/restore requires at least CRIU %d", criu.MinCriuVersion)
func (c *Container) checkpointRestoreSupported(version int) error {
if !criu.CheckForCriu(version) {
return errors.Errorf("checkpoint/restore requires at least CRIU %d", version)
}
if !c.ociRuntime.SupportsCheckpoint() {
return errors.Errorf("configured runtime does not support checkpoint/restore")
@ -1032,7 +1032,7 @@ func (c *Container) checkpointRestoreSupported() error {
}
func (c *Container) checkpoint(ctx context.Context, options ContainerCheckpointOptions) error {
if err := c.checkpointRestoreSupported(); err != nil {
if err := c.checkpointRestoreSupported(criu.MinCriuVersion); err != nil {
return err
}
@ -1136,7 +1136,7 @@ func (c *Container) importPreCheckpoint(input string) error {
}
func (c *Container) restore(ctx context.Context, options ContainerCheckpointOptions) (retErr error) {
if err := c.checkpointRestoreSupported(); err != nil {
if err := c.checkpointRestoreSupported(criu.MinCriuVersion); err != nil {
return err
}

4
pkg/criu/criu.go
View File

@ -9,9 +9,9 @@ const MinCriuVersion = 31100
// CheckForCriu uses CRIU's go bindings to check if the CRIU
// binary exists and if it at least the version Podman needs.
func CheckForCriu() bool {
func CheckForCriu(version int) bool {
c := criu.MakeCriu()
result, err := c.IsCriuAtLeast(MinCriuVersion)
result, err := c.IsCriuAtLeast(version)
if err != nil {
return false
}

2
test/e2e/checkpoint_test.go
View File

@ -46,7 +46,7 @@ var _ = Describe("Podman checkpoint", func() {
Skip("OCI runtime does not support checkpoint/restore")
}
if !criu.CheckForCriu() {
if !criu.CheckForCriu(criu.MinCriuVersion) {
Skip("CRIU is missing or too old.")
}
// Only Fedora 29 and newer has a new enough selinux-policy and