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authorChristian Breunig <christian@breunig.cc>2024-05-02 07:45:37 +0200
committerGitHub <noreply@github.com>2024-05-02 07:45:37 +0200
commitf97a3254c9e958f76b3ff3dfec7e9297cf48575c (patch)
tree0a66bbc1d513f08f18503b8c2bdcf19db48cf6d6 /src/op_mode/ntp.py
parent958e9ac4d1eb7fb8d61490c90c41c67dbfb58ab5 (diff)
parentd2a82c30695c2f4265dc5ca2165d27d5aa3e2cef (diff)
downloadvyos-1x-f97a3254c9e958f76b3ff3dfec7e9297cf48575c.tar.gz
vyos-1x-f97a3254c9e958f76b3ff3dfec7e9297cf48575c.zip
Merge pull request #3307 from Giggum/vyos-1x-T4909
ntp: T4909 rewrite NTP op mode in the new format
Diffstat (limited to 'src/op_mode/ntp.py')
-rw-r--r--src/op_mode/ntp.py164
1 files changed, 164 insertions, 0 deletions
diff --git a/src/op_mode/ntp.py b/src/op_mode/ntp.py
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+#!/usr/bin/env python3
+#
+# Copyright (C) 2024 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/>.
+
+import csv
+import sys
+from itertools import chain
+
+import vyos.opmode
+from vyos.configquery import ConfigTreeQuery
+from vyos.utils.process import cmd
+
+def _get_raw_data(command: str) -> dict:
+ # Returns returns chronyc output as a dictionary
+
+ # Initialize dictionary keys to align with output of
+ # chrony -c. From some commands, its -c switch outputs
+ # more parameters, make sure to include them all below.
+ # See to chronyc(1) for definition of key variables
+ match command:
+ case "chronyc -c activity":
+ keys: list = [
+ 'sources_online',
+ 'sources_offline',
+ 'sources_doing_burst_return_online',
+ 'sources_doing_burst_return_offline',
+ 'sources_with_unknown_address'
+ ]
+
+ case "chronyc -c sources":
+ keys: list = [
+ 'm',
+ 's',
+ 'name_ip_address',
+ 'stratum',
+ 'poll',
+ 'reach',
+ 'last_rx',
+ 'last_sample_adj_offset',
+ 'last_sample_mes_offset',
+ 'last_sample_est_error'
+ ]
+
+ case "chronyc -c sourcestats":
+ keys: list = [
+ 'name_ip_address',
+ 'np',
+ 'nr',
+ 'span',
+ 'frequency',
+ 'freq_skew',
+ 'offset',
+ 'std_dev'
+ ]
+
+ case "chronyc -c tracking":
+ keys: list = [
+ 'ref_id',
+ 'ref_id_name',
+ 'stratum',
+ 'ref_time',
+ 'system_time',
+ 'last_offset',
+ 'rms_offset',
+ 'frequency',
+ 'residual_freq',
+ 'skew',
+ 'root_delay',
+ 'root_dispersion',
+ 'update_interval',
+ 'leap_status'
+ ]
+
+ case _:
+ raise ValueError(f"Raw mode: of {command} is not implemented")
+
+ # Get -c option command line output, splitlines,
+ # and save comma-separated values as a flat list
+ output = cmd(command).splitlines()
+ values = csv.reader(output)
+ values = list(chain.from_iterable(values))
+
+ # Divide values into chunks of size keys and transpose
+ if len(values) > len(keys):
+ values = _chunk_list(values,keys)
+ values = zip(*values)
+
+ return dict(zip(keys, values))
+
+def _chunk_list(in_list, n):
+ # Yields successive n-sized chunks from in_list
+ for i in range(0, len(in_list), len(n)):
+ yield in_list[i:i + len(n)]
+
+def _is_configured():
+ # Check if ntp is configured
+ config = ConfigTreeQuery()
+ if not config.exists("service ntp"):
+ raise vyos.opmode.UnconfiguredSubsystem("NTP service is not enabled.")
+
+def show_activity(raw: bool):
+ _is_configured()
+ command = f'chronyc'
+
+ if raw:
+ command += f" -c activity"
+ return _get_raw_data(command)
+ else:
+ command += f" activity"
+ return cmd(command)
+
+def show_sources(raw: bool):
+ _is_configured()
+ command = f'chronyc'
+
+ if raw:
+ command += f" -c sources"
+ return _get_raw_data(command)
+ else:
+ command += f" sources -v"
+ return cmd(command)
+
+def show_tracking(raw: bool):
+ _is_configured()
+ command = f'chronyc'
+
+ if raw:
+ command += f" -c tracking"
+ return _get_raw_data(command)
+ else:
+ command += f" tracking"
+ return cmd(command)
+
+def show_sourcestats(raw: bool):
+ _is_configured()
+ command = f'chronyc'
+
+ if raw:
+ command += f" -c sourcestats"
+ return _get_raw_data(command)
+ else:
+ command += f" sourcestats -v"
+ return cmd(command)
+
+if __name__ == '__main__':
+ try:
+ res = vyos.opmode.run(sys.modules[__name__])
+ if res:
+ print(res)
+ except (ValueError, vyos.opmode.Error) as e:
+ print(e)
+ sys.exit(1)