Hi Aaron: Thanks for your kinkdly suggession. I have tried your proposol and test in my repository. This is the new version.
Add dump_cmd executable checker in ovs-tcpdump Signed-off-by: Liu Chang <txfh2...@aliyun.com> diff --git a/utilities/ovs-tcpdump.in b/utilities/ovs-tcpdump.in index 269c252..911c608 100755 --- a/utilities/ovs-tcpdump.in +++ b/utilities/ovs-tcpdump.in @@ -371,6 +371,9 @@ def argv_tuples(lst): except StopIteration: pass +def py_which(executable): + return any(os.access(os.path.join(path,executable),os.X_OK) + for path in os.environ["PATH"].split(os.pathsep)) def main(): db_sock = 'unix:@RUNDIR@/db.sock' @@ -416,6 +419,10 @@ def main(): print("Error: must at least specify an interface with '-i' option") sys.exit(1) + if not py_which(dump_cmd): + print("Error: unable to execute '%s' (check PATH)"%dump_cmd) + sys.exit(1) + if '-l' not in tcpdargs: tcpdargs.insert(0, '-l') _______________________________________________ dev mailing list d...@openvswitch.org https://mail.openvswitch.org/mailman/listinfo/ovs-dev