!32 lcr: compatible with older versions of creation

Merge pull request !32 from wangkang101/master

src/lcrcontainer.c

@@ -270,6 +270,22 @@ out_free:
     free(path);
 }
 
+bool lcr_create_from_ocidata(const char *name, const char *lcrpath, const void *oci_json_data)
+{
+    oci_runtime_spec *oci_spec = NULL;
+    bool ret = true;
+
+    if (!container_parse(NULL, oci_json_data, &oci_spec)) {
+        ret = false;
+        goto out_free;
+    }
+
+    ret = lcr_create(name, lcrpath, oci_spec);
+out_free:
+    free_oci_runtime_spec(oci_spec);
+    return ret;
+}
+
 static bool lcr_create_spec(struct lxc_container *c, oci_runtime_spec *oci_spec)
 {
     // Translate oci config

src/lcrcontainer.h

@@ -139,10 +139,17 @@ void lcr_containers_info_free(struct lcr_container_info **info_arr, size_t size)
 
 /*
  * Create a container
- * param name   : container name
- * param lcrpath: container path
- * param rootfs : the path of rootfs used for the container
- * param oci_config_data	: json string of oci config data
+ * param name    : container name
+ * param lcrpath : container path
+ * param oci_json_data : json string of oci config data
+ */
+bool lcr_create_from_ocidata(const char *name, const char *lcrpath, const void *oci_json_data);
+
+/*
+ * Create a container
+ * param name    : container name
+ * param lcrpath : container path
+ * param oci_config	: pointer of struct oci config
  */
 bool lcr_create(const char *name, const char *lcrpath, void *oci_config);