From 3dba2d13e6ba7ced2a032b9fbb98984a44370f5f Mon Sep 17 00:00:00 2001
From: Daniil Baturin <daniil@baturin.org>
Date: Fri, 27 Jul 2018 01:17:25 +0200
Subject: T666, T616: new implementation of the VRRP CLI.
---
src/op_mode/vrrp.py | 98 +++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 98 insertions(+)
create mode 100755 src/op_mode/vrrp.py
(limited to 'src/op_mode')
diff --git a/src/op_mode/vrrp.py b/src/op_mode/vrrp.py
new file mode 100755
index 000000000..ba8b56de3
--- /dev/null
+++ b/src/op_mode/vrrp.py
@@ -0,0 +1,98 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2018 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 sys
+import time
+import argparse
+
+import tabulate
+
+import vyos.keepalived
+import vyos.util
+
+
+def print_summary():
+ try:
+ vyos.keepalived.force_json_dump()
+ # Wait for keepalived to produce the data
+ # Replace with inotify or similar if it proves problematic
+ time.sleep(0.2)
+ json_data = vyos.keepalived.get_json_data()
+ except:
+ print("VRRP information is not available")
+
+ groups = []
+ for group in json_data:
+ data = group["data"]
+
+ name = data["iname"]
+
+ ltrans_timestamp = float(data["last_transition"])
+ ltrans_time = vyos.util.seconds_to_human(int(time.time() - ltrans_timestamp))
+
+ interface = data["ifp_ifname"]
+ vrid = data["vrid"]
+
+ state = vyos.keepalived.decode_state(data["state"])
+
+ row = [name, interface, vrid, state, ltrans_time]
+ groups.append(row)
+
+ headers = ["Name", "Interface", "VRID", "State", "Last Transition"]
+ output = tabulate.tabulate(groups, headers)
+ print(output)
+
+def print_statistics():
+ try:
+ vyos.keepalived.force_stats_dump()
+ time.sleep(0.2)
+ output = vyos.keepalived.get_statistics()
+ print(output)
+ except:
+ print("VRRP statistics are not available")
+
+def print_state_data():
+ try:
+ vyos.keepalived.force_state_data_dump()
+ time.sleep(0.2)
+ output = vyos.keepalived.get_state_data()
+ print(output)
+ except:
+ print("VRRP information is not available")
+
+parser = argparse.ArgumentParser()
+group = parser.add_mutually_exclusive_group()
+group.add_argument("-s", "--summary", action="store_true", help="Print VRRP summary")
+group.add_argument("-t", "--statistics", action="store_true", help="Print VRRP statistics")
+group.add_argument("-d", "--data", action="store_true", help="Print detailed VRRP data")
+
+args = parser.parse_args()
+
+# Exit early if VRRP is dead or not configured
+if not vyos.keepalived.vrrp_running():
+ print("VRRP is not running")
+ sys.exit(0)
+
+if args.summary:
+ print_summary()
+elif args.statistics:
+ print_statistics()
+elif args.data:
+ print_state_data()
+else:
+ parser.print_help()
+ sys.exit(1)
--
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