1 files changed, 27 insertions, 8 deletions
diff --git a/src/helpers/vyos-merge-config.py b/src/helpers/vyos-merge-config.py
index f0d5d1595..e9a14ae98 100755
--- a/src/helpers/vyos-merge-config.py
+++ b/src/helpers/vyos-merge-config.py
@@ -18,8 +18,10 @@
 import sys
 import os
 import subprocess
+import tempfile
 import vyos.defaults
 import vyos.remote
+import vyos.migrator
 from vyos.config import Config
 from vyos.configtree import ConfigTree
 
@@ -55,15 +57,25 @@ else:
             print(err)
             sys.exit(1)
 
-path = None
-if (len(sys.argv) > 2):
-    path = " ".join(sys.argv[2:])
+with tempfile.NamedTemporaryFile() as file_to_migrate:
+    with open(file_to_migrate.name, 'w') as fd:
+        fd.write(config_file)
+
+    migration = vyos.migrator.Migrator(file_to_migrate.name)
+    migration.run()
+    if migration.config_changed():
+        with open(file_to_migrate.name, 'r') as fd:
+            config_file = fd.read()
 
 merge_config_tree = ConfigTree(config_file)
 
 effective_config = Config()
 
 output_effective_config = effective_config.show_config()
+# showConfig (called by config.show_config() does not escape
+# backslashes, which configtree expects; cf. T1001.
+output_effective_config = output_effective_config.replace("\\", "\\\\")
+
 effective_config_tree = ConfigTree(output_effective_config)
 
 effective_cmds = effective_config_tree.to_commands()
@@ -75,12 +87,19 @@ merge_cmd_list =  merge_cmds.splitlines()
 effective_cmd_set = set(effective_cmd_list)
 add_cmds = [ cmd for cmd in merge_cmd_list if cmd not in effective_cmd_set ]
 
-if path:
-    if not effective_config.exists(path):
-        print("path {} does not exist in running config; will use "
-              "root.".format(path))
+path = None
+if (len(sys.argv) > 2):
+    path = sys.argv[2:]
+    if (not effective_config_tree.exists(path) and not
+            merge_config_tree.exists(path)):
+        print("path {} does not exist in either effective or merge"
+              " config; will use root.".format(path))
+        path = None
     else:
-        add_cmds = [ cmd for cmd in add_cmds if path in cmd ]
+        path = " ".join(path)
+
+if path:
+    add_cmds = [ cmd for cmd in add_cmds if path in cmd ]
 
 for cmd in add_cmds:
     cmd = "/opt/vyatta/sbin/my_" + cmd