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-rwxr-xr-xsrc/system/vyos-system-update-check.py70
1 files changed, 70 insertions, 0 deletions
diff --git a/src/system/vyos-system-update-check.py b/src/system/vyos-system-update-check.py
new file mode 100755
index 000000000..c9597721b
--- /dev/null
+++ b/src/system/vyos-system-update-check.py
@@ -0,0 +1,70 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2022 VyOS maintainers and contributors
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 or later as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+import argparse
+import json
+import jmespath
+
+from pathlib import Path
+from sys import exit
+from time import sleep
+
+from vyos.util import call
+
+import vyos.version
+
+motd_file = Path('/run/motd.d/10-vyos-update')
+
+
+if __name__ == '__main__':
+ # Parse command arguments and get config
+ parser = argparse.ArgumentParser()
+ parser.add_argument('-c',
+ '--config',
+ action='store',
+ help='Path to system-update-check configuration',
+ required=True,
+ type=Path)
+
+ args = parser.parse_args()
+ try:
+ config_path = Path(args.config)
+ config = json.loads(config_path.read_text())
+ except Exception as err:
+ print(
+ f'Configuration file "{config_path}" does not exist or malformed: {err}'
+ )
+ exit(1)
+
+ url_json = config.get('url')
+ local_data = vyos.version.get_full_version_data()
+ local_version = local_data.get('version')
+
+ while True:
+ remote_data = vyos.version.get_remote_version(url_json)
+ if remote_data:
+ url = jmespath.search('[0].url', remote_data)
+ remote_version = jmespath.search('[0].version', remote_data)
+ if local_version != remote_version and remote_version:
+ call(f'wall -n "Update available: {remote_version} \nUpdate URL: {url}"')
+ # MOTD used in /run/motd.d/10-update
+ motd_file.parent.mkdir(exist_ok=True)
+ motd_file.write_text(f'---\n'
+ f'Current version: {local_version}\n'
+ f'Update available: \033[1;34m{remote_version}\033[0m\n'
+ f'---\n')
+ # Check every 12 hours
+ sleep(43200)