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-rwxr-xr-xsrc/op_mode/image_installer.py8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/op_mode/image_installer.py b/src/op_mode/image_installer.py
index ac5a84419..27371a18f 100755
--- a/src/op_mode/image_installer.py
+++ b/src/op_mode/image_installer.py
@@ -27,6 +27,7 @@ from os import readlink
from os import getpid
from os import getppid
from json import loads
+from json import dumps
from typing import Union
from urllib.parse import urlparse
from passlib.hosts import linux_context
@@ -54,6 +55,7 @@ from vyos.utils.dict import dict_search
from vyos.utils.io import ask_input, ask_yes_no, select_entry
from vyos.utils.file import chmod_2775
from vyos.utils.file import read_file
+from vyos.utils.file import write_file
from vyos.utils.process import cmd, run, rc_cmd
from vyos.version import get_version_data
@@ -1040,6 +1042,12 @@ def add_image(image_path: str, vrf: str = None, username: str = '',
chmod_2775(target_config_dir)
copytree('/opt/vyatta/etc/config/', target_config_dir, symlinks=True,
copy_function=copy_preserve_owner, dirs_exist_ok=True)
+
+ # Record information from which image we upgraded to the new one.
+ # This can be used for a future automatic rollback into the old image.
+ tmp = {'previous_image' : image.get_running_image()}
+ write_file(f'{target_config_dir}/first_boot', dumps(tmp))
+
else:
Path(target_config_dir).mkdir(parents=True)
chown(target_config_dir, group='vyattacfg')