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-rw-r--r--python/vyos/utils/config.py34
-rwxr-xr-xsrc/helpers/read-saved-value.py30
-rwxr-xr-xsrc/init/vyos-router7
3 files changed, 69 insertions, 2 deletions
diff --git a/python/vyos/utils/config.py b/python/vyos/utils/config.py
new file mode 100644
index 000000000..bd363ce46
--- /dev/null
+++ b/python/vyos/utils/config.py
@@ -0,0 +1,34 @@
+# Copyright 2023 VyOS maintainers and contributors <maintainers@vyos.io>
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library 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
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library. If not, see <http://www.gnu.org/licenses/>.
+
+import os
+from vyos.defaults import directories
+
+config_file = os.path.join(directories['config'], 'config.boot')
+
+def read_saved_value(path: list):
+ if not isinstance(path, list) or not path:
+ return ''
+ from vyos.configtree import ConfigTree
+ try:
+ with open(config_file) as f:
+ config_string = f.read()
+ ct = ConfigTree(config_string)
+ except Exception:
+ return ''
+ if not ct.exists(path):
+ return ''
+ res = ct.return_values(path)
+ return res[0] if len(res) == 1 else res
diff --git a/src/helpers/read-saved-value.py b/src/helpers/read-saved-value.py
new file mode 100755
index 000000000..1463e9ffe
--- /dev/null
+++ b/src/helpers/read-saved-value.py
@@ -0,0 +1,30 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2023 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/>.
+#
+#
+
+from argparse import ArgumentParser
+from vyos.utils.config import read_saved_value
+
+if __name__ == '__main__':
+ parser = ArgumentParser()
+ parser.add_argument('--path', nargs='*')
+ args = parser.parse_args()
+
+ out = read_saved_value(args.path) if args.path else ''
+ if isinstance(out, list):
+ out = ' '.join(out)
+ print(out)
diff --git a/src/init/vyos-router b/src/init/vyos-router
index 9ef1fa335..dd07d2e4b 100755
--- a/src/init/vyos-router
+++ b/src/init/vyos-router
@@ -374,8 +374,11 @@ start ()
&& chgrp ${GROUP} ${vyatta_configdir}
log_action_end_msg $?
- rm -f /etc/hostname
- ${vyos_conf_scripts_dir}/host_name.py || log_failure_msg "could not reset host-name"
+ # T5239: early read of system hostname as this value is read-only once during
+ # FRR initialisation
+ tmp=$(${vyos_libexec_dir}/read-saved-value.py --path "system host-name")
+ hostnamectl set-hostname --static "$tmp"
+
${vyos_conf_scripts_dir}/system_frr.py || log_failure_msg "could not reset FRR config"
# If for any reason FRR was not started by system_frr.py - start it anyways.
# This is a safety net!