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-rwxr-xr-xsrc/conf_mode/system_console.py24
1 files changed, 24 insertions, 0 deletions
diff --git a/src/conf_mode/system_console.py b/src/conf_mode/system_console.py
index 6d60a9d4d..59a064b3a 100755
--- a/src/conf_mode/system_console.py
+++ b/src/conf_mode/system_console.py
@@ -15,7 +15,9 @@
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import os
+import re
+from fileinput import input as replace_in_file
from vyos.config import Config
from vyos.util import call
from vyos.template import render
@@ -78,6 +80,28 @@ def generate(console):
# Reload systemd manager configuration
call('systemctl daemon-reload')
+
+ # GRUB
+ # For existing serial line change speed (if necessary)
+ # Only applys to ttyS0
+ if 'ttyS0' not in console['device'].keys():
+ return None
+
+ speed = console['device']['ttyS0']['speed']
+ grub_config = '/boot/grub/grub.cfg'
+ if not os.path.isfile(grub_config):
+ return None
+
+ # stdin/stdout are redirected in replace_in_file(), thus print() is fine
+ p = re.compile(r'^(.* console=ttyS0),[0-9]+(.*)$')
+ for line in replace_in_file(grub_config, inplace=True):
+ if line.startswith('serial --unit'):
+ line = f'serial --unit=0 --speed={speed}\n'
+ elif p.match(line):
+ line = '{},{}{}\n'.format(p.search(line)[1], speed, p.search(line)[2])
+
+ print(line, end='')
+
return None
def apply(console):