Merge pull request #1103 from zdc/T3774-sagitta

logs: T3774: Added CLI options to control atop logs rotation

1 files changed, 83 insertions, 0 deletions

diff --git a/src/conf_mode/system-logs.py b/src/conf_mode/system-logs.py
new file mode 100755
index 000000000..e6296656d
--- /dev/null
+++ b/src/conf_mode/system-logs.py
@@ -0,0 +1,83 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2021 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 sys import exit
+
+from vyos import ConfigError
+from vyos import airbag
+from vyos.config import Config
+from vyos.configdict import dict_merge
+from vyos.logger import syslog
+from vyos.template import render
+from vyos.util import dict_search
+from vyos.xml import defaults
+airbag.enable()
+
+# path to logrotate configs
+logrotate_atop_file = '/etc/logrotate.d/vyos-atop'
+logrotate_rsyslog_file = '/etc/logrotate.d/vyos-rsyslog'
+
+
+def get_config(config=None):
+    if config:
+        conf = config
+    else:
+        conf = Config()
+
+    base = ['system', 'logs']
+    default_values = defaults(base)
+    logs_config = conf.get_config_dict(base,
+                                       key_mangling=('-', '_'),
+                                       get_first_key=True)
+    logs_config = dict_merge(default_values, logs_config)
+
+    return logs_config
+
+
+def verify(logs_config):
+    # Nothing to verify here
+    pass
+
+
+def generate(logs_config):
+    # get configuration for logrotate atop
+    logrotate_atop = dict_search('logrotate.atop', logs_config)
+    # generate new config file for atop
+    syslog.debug('Adding logrotate config for atop')
+    render(logrotate_atop_file, 'logs/logrotate/vyos-atop.tmpl', logrotate_atop)
+
+    # get configuration for logrotate rsyslog
+    logrotate_rsyslog = dict_search('logrotate.messages', logs_config)
+    # generate new config file for rsyslog
+    syslog.debug('Adding logrotate config for rsyslog')
+    render(logrotate_rsyslog_file, 'logs/logrotate/vyos-rsyslog.tmpl',
+           logrotate_rsyslog)
+
+
+def apply(logs_config):
+    # No further actions needed
+    pass
+
+
+if __name__ == '__main__':
+    try:
+        c = get_config()
+        verify(c)
+        generate(c)
+        apply(c)
+    except ConfigError as e:
+        print(e)
+        exit(1)