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Python: add utility function for retrieving port redirection

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Slightly different versions for the same utility code are currently
present on different locations.  This unifies them all, giving
preference to the version from virtiofs_submounts.py, because of the
last tweaks added to it.

While at it, this adds a "qemu.utils" module to host the utility
function and a test.

Signed-off-by: Cleber Rosa <crosa@redhat.com>
Reviewed-by: Wainer dos Santos Moschetta <wainersm@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Willian Rampazzo <willianr@redhat.com>
Message-Id: <20210412044644.55083-4-crosa@redhat.com>
Signed-off-by: John Snow <jsnow@redhat.com>
[Squashed in below fix. --js]
Signed-off-by: John Snow <jsnow@redhat.com>
Signed-off-by: Cleber Rosa <crosa@redhat.com>
Message-Id: <20210601154546.130870-2-crosa@redhat.com>
Signed-off-by: John Snow <jsnow@redhat.com>
This commit is contained in:
Cleber Rosa 2021-04-12 00:46:36 -04:00 • committed by John Snow
parent c028691e65
commit 976218cbe7
5 changed files with 79 additions and 33 deletions
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21
tests/acceptance/virtiofs_submounts.py
View file

@ -9,6 +9,8 @@ from avocado_qemu import LinuxTest, BUILD_DIR
from avocado_qemu import wait_for_console_pattern
from avocado.utils import ssh
from qemu.utils import get_info_usernet_hostfwd_port
def run_cmd(args):
subp = subprocess.Popen(args,
@ -73,27 +75,14 @@ class VirtiofsSubmountsTest(LinuxTest):
:avocado: tags=accel:kvm
"""
def get_portfwd(self):
port = None
def ssh_connect(self, username, keyfile):
self.ssh_logger = logging.getLogger('ssh')
res = self.vm.command('human-monitor-command',
command_line='info usernet')
for line in res.split('\r\n'):
match = \
re.search(r'TCP.HOST_FORWARD.*127\.0\.0\.1\s+(\d+)\s+10\.',
line)
if match is not None:
port = int(match[1])
break
port = get_info_usernet_hostfwd_port(res)
self.assertIsNotNone(port)
self.assertGreater(port, 0)
self.log.debug('sshd listening on port: %d', port)
return port
def ssh_connect(self, username, keyfile):
self.ssh_logger = logging.getLogger('ssh')
port = self.get_portfwd()
self.ssh_session = ssh.Session('127.0.0.1', port=port,
user=username, key=keyfile)
for i in range(10):