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-rwxr-xr-xsrc/conf_mode/system_event_handler.py57
1 files changed, 27 insertions, 30 deletions
diff --git a/src/conf_mode/system_event_handler.py b/src/conf_mode/system_event_handler.py
index 8efc816cb..9f91e99fc 100755
--- a/src/conf_mode/system_event_handler.py
+++ b/src/conf_mode/system_event_handler.py
@@ -15,22 +15,17 @@
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import json
-import os
+from pathlib import Path
from vyos.config import Config
-from vyos.configdict import node_changed
-from vyos.util import cmd
from vyos.util import call
-from vyos.template import render
from vyos import ConfigError
from vyos import airbag
-airbag.enable()
+airbag.enable()
-systemd_dir = '/etc/systemd/system'
-systemd_service = 'vyos-event-handler'
-service_path = f'{systemd_dir}/{systemd_service}.service'
-event_conf = '/run/vyos-event-handler.conf'
+service_name = 'vyos-event-handler'
+service_conf = Path(f'/run/{service_name}.conf')
def get_config(config=None):
@@ -40,41 +35,43 @@ def get_config(config=None):
conf = Config()
base = ['system', 'event-handler']
- event = conf.get_config_dict(base, get_first_key=True, no_tag_node_value_mangle=True)
+ config = conf.get_config_dict(base,
+ get_first_key=True,
+ no_tag_node_value_mangle=True)
- return event
+ return config
-def verify(event):
+
+def verify(config):
# bail out early - looks like removal from running config
- if not event:
+ if not config:
return None
- for name, event_config in event.items():
+ for name, event_config in config.items():
if 'pattern' not in event_config or 'script' not in event_config:
- raise ConfigError(f'Event-handler "pattern and script" are mandatory!')
+ raise ConfigError(
+ 'Event-handler: both pattern and script items are mandatory!')
-def generate(event):
- if not event:
- return None
- conf_json = json.dumps(event, indent = 4)
- with open(event_conf, 'w') as f:
- f.write(conf_json)
+def generate(config):
+ if not config:
+ # Remove old config and return
+ service_conf.unlink(missing_ok=True)
+ return None
- render(service_path, 'event-handler/systemd_event_handler_service.j2', event)
+ # Write configuration file
+ conf_json = json.dumps(config, indent=4)
+ service_conf.write_text(conf_json)
return None
-def apply(event):
- call('systemctl daemon-reload')
- if event:
- call(f'systemctl restart {systemd_service}.service')
+
+def apply(config):
+ if config:
+ call(f'systemctl restart {service_name}.service')
else:
- call(f'systemctl stop {systemd_service}.service')
+ call(f'systemctl stop {service_name}.service')
- for f in [service_path, event_conf]:
- if os.path.isfile(f):
- os.unlink(f)
if __name__ == '__main__':
try: