testlib: Don't assume `docker port` output matches regex

(cherry picked from commit 8cbbfaf3c1)
2021-09-07 00:08:37 +01:00 · 2021-09-07 00:08:37 +01:00 · d8dd99b230
parent 937a003a91
commit d8dd99b230
1 changed files with 4 additions and 1 deletions
--- a/tests/testlib.py
+++ b/tests/testlib.py
@ -423,7 +423,10 @@ class DockerizedSshDaemon(object):
    def _get_container_port(self):
        s = subprocess__check_output(['docker', 'port', self.container_name])
        for line in s.decode().splitlines():
-            dport, proto, baddr, bport = self.PORT_RE.match(line).groups()
+            m = self.PORT_RE.match(line)
+            if not m:
+                continue
+            dport, proto, _, bport = m.groups()
            if dport == '22' and proto == 'tcp':
                self.port = int(bport)