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Diffstat (limited to 'pkg/checkpoint/checkpoint_restore.go')
-rw-r--r--pkg/checkpoint/checkpoint_restore.go34
1 files changed, 9 insertions, 25 deletions
diff --git a/pkg/checkpoint/checkpoint_restore.go b/pkg/checkpoint/checkpoint_restore.go
index 6285680c0..77a993128 100644
--- a/pkg/checkpoint/checkpoint_restore.go
+++ b/pkg/checkpoint/checkpoint_restore.go
@@ -4,15 +4,14 @@ import (
"context"
"io/ioutil"
"os"
- "path/filepath"
+ metadata "github.com/checkpoint-restore/checkpointctl/lib"
"github.com/containers/podman/v3/libpod"
"github.com/containers/podman/v3/libpod/image"
"github.com/containers/podman/v3/pkg/domain/entities"
"github.com/containers/podman/v3/pkg/errorhandling"
"github.com/containers/podman/v3/pkg/util"
"github.com/containers/storage/pkg/archive"
- jsoniter "github.com/json-iterator/go"
spec "github.com/opencontainers/runtime-spec/specs-go"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
@@ -20,21 +19,6 @@ import (
// Prefixing the checkpoint/restore related functions with 'cr'
-// crImportFromJSON imports the JSON files stored in the exported
-// checkpoint tarball
-func crImportFromJSON(filePath string, v interface{}) error {
- content, err := ioutil.ReadFile(filePath)
- if err != nil {
- return errors.Wrap(err, "failed to read container definition for restore")
- }
- json := jsoniter.ConfigCompatibleWithStandardLibrary
- if err = json.Unmarshal(content, v); err != nil {
- return errors.Wrapf(err, "failed to unmarshal container definition %s for restore", filePath)
- }
-
- return nil
-}
-
// CRImportCheckpoint it the function which imports the information
// from checkpoint tarball and re-creates the container from that information
func CRImportCheckpoint(ctx context.Context, runtime *libpod.Runtime, restoreOptions entities.RestoreOptions) ([]*libpod.Container, error) {
@@ -48,13 +32,13 @@ func CRImportCheckpoint(ctx context.Context, runtime *libpod.Runtime, restoreOpt
options := &archive.TarOptions{
// Here we only need the files config.dump and spec.dump
ExcludePatterns: []string{
- "checkpoint",
- "artifacts",
- "ctr.log",
- "rootfs-diff.tar",
- "network.status",
- "deleted.files",
"volumes",
+ "ctr.log",
+ "artifacts",
+ metadata.RootFsDiffTar,
+ metadata.DeletedFilesFile,
+ metadata.NetworkStatusFile,
+ metadata.CheckpointDirectory,
},
}
dir, err := ioutil.TempDir("", "checkpoint")
@@ -73,13 +57,13 @@ func CRImportCheckpoint(ctx context.Context, runtime *libpod.Runtime, restoreOpt
// Load spec.dump from temporary directory
dumpSpec := new(spec.Spec)
- if err := crImportFromJSON(filepath.Join(dir, "spec.dump"), dumpSpec); err != nil {
+ if _, err := metadata.ReadJSONFile(dumpSpec, dir, metadata.SpecDumpFile); err != nil {
return nil, err
}
// Load config.dump from temporary directory
config := new(libpod.ContainerConfig)
- if err = crImportFromJSON(filepath.Join(dir, "config.dump"), config); err != nil {
+ if _, err = metadata.ReadJSONFile(config, dir, metadata.ConfigDumpFile); err != nil {
return nil, err
}