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-rwxr-xr-xsrc/conf_mode/system-display.py92
1 files changed, 92 insertions, 0 deletions
diff --git a/src/conf_mode/system-display.py b/src/conf_mode/system-display.py
new file mode 100755
index 000000000..4db375d8e
--- /dev/null
+++ b/src/conf_mode/system-display.py
@@ -0,0 +1,92 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2020 Francois Mertz fireboxled at gmail.com
+#
+# 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 os
+import re
+
+from sys import exit
+
+from vyos.config import Config
+from vyos import ConfigError
+from vyos.util import run
+from vyos.template import render
+
+from vyos import airbag
+airbag.enable()
+
+def get_config():
+ c = Config()
+
+ if not c.exists('system display'):
+ return None
+
+ c.set_level('system display')
+
+ return c.get_config_dict([])
+
+def generate(c):
+ if c == None:
+ return None
+ # Render config file for daemon LCDd
+ render('/etc/LCDd.conf', 'system-display/LCDd.conf.tmpl', c)
+ # Render config file for client lcdproc
+ render('/etc/lcdproc.conf', 'system-display/lcdproc.conf.tmpl', c)
+
+ return None
+
+def verify(c):
+ if c == None:
+ return None
+
+ if c.get('model') == None:
+ raise ConfigError('For system display, a model is [REQUIRED]')
+
+ if c.get('show') == None:
+ raise ConfigError('For system display, show cannot be empty')
+
+ if 'network' in c['show'] and 'interface' not in c['show']['network']:
+ raise ConfigError('system display show network must have at least one interface')
+
+ if 'network' in c['show'] and 'interface' in c['show']['network'] and len(c['show']['network']['interface']) > 3:
+ raise ConfigError('system display show network interface cannot have more than 3 entries')
+
+ return None
+
+def apply(c):
+ if not c or c['config'] == 'disabled':
+ # Stop client first
+ run('systemctl stop lcdproc.service')
+ # Stop server next
+ return run('systemctl stop LCDd.service')
+
+ # Stop client first
+ run('systemctl stop lcdproc.service')
+ # Restart server next
+ run('systemctl restart LCDd.service')
+ # Start client
+ run('systemctl start lcdproc.service')
+
+ return None
+
+if __name__ == '__main__':
+ try:
+ c = get_config()
+ verify(c)
+ generate(c)
+ apply(c)
+ except ConfigError as e:
+ print(e)
+ exit(1)