If ovs-tcpdump received HUP or TERM signal, mirror and mirror interface should
be destroyed. This often happens, when controlling terminal is closed, like
ssh session closed, and other users use kill to terminate it.
Signed-off-by: Daniel Ding <zhihui.d...@easystack.cn>
---
utilities/ovs-tcpdump.in | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/utilities/ovs-tcpdump.in b/utilities/ovs-tcpdump.in
index 7fd26e405..211d50fc5 100755
--- a/utilities/ovs-tcpdump.in
+++ b/utilities/ovs-tcpdump.in
@@ -17,6 +17,7 @@
import os
import pwd
from random import randint
+import signal
import subprocess
import sys
import time
@@ -489,6 +490,17 @@ def main():
print("ERROR: Mirror port (%s) exists for port %s." %
(mirror_interface, interface))
sys.exit(1)
+
+ def signal_handler(_signo, _stack_frame):
+ ovsdb.destroy_mirror(interface, ovsdb.port_bridge(interface))
+ ovsdb.destroy_port(mirror_interface, ovsdb.port_bridge(interface))
+
+ sys.exit(0)
+
+ if sys.platform in ['linux', 'linux2']:
+ signal.signal(signal.SIGHUP, signal_handler)
+ signal.signal(signal.SIGTERM, signal_handler)
+
try:
ovsdb.make_port(mirror_interface, ovsdb.port_bridge(interface))
ovsdb.bridge_mirror(interface, mirror_interface,
---
Best regards, Daniel Ding
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