server: store containers state on disk

Signed-off-by: Antonio Murdaca <runcom@redhat.com>

oci/container.go

@@ -2,6 +2,7 @@ package oci
 
 import (
 	"fmt"
+	"path/filepath"
 	"sync"
 	"time"
 
@@ -64,6 +65,11 @@ func NewContainer(id string, name string, bundlePath string, logPath string, net
 	return c, nil
 }
 
+// StatePath returns the containers state.json path
+func (c *Container) StatePath() string {
+	return filepath.Join(c.dir, "state.json")
+}
+
 // CreatedAt returns the container creation time
 func (c *Container) CreatedAt() time.Time {
 	return c.state.Created