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[PATCH v3 04/11] Acceptance Tests: move useful ssh methods to base class
From: |
Cleber Rosa |
Subject: |
[PATCH v3 04/11] Acceptance Tests: move useful ssh methods to base class |
Date: |
Mon, 12 Apr 2021 00:46:37 -0400 |
Both the virtiofs submounts and the linux ssh mips malta tests
contains useful methods related to ssh that deserve to be made
available to other tests. Let's move them to an auxiliary, mix-in
class that will be used on the base LinuxTest class.
The method that helps with setting up an ssh connection will now
support both key and password based authentication, defaulting to key
based.
Signed-off-by: Cleber Rosa <crosa@redhat.com>
Reviewed-by: Wainer dos Santos Moschetta <wainersm@redhat.com>
Reviewed-by: Willian Rampazzo <willianr@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Cleber Rosa <crosa@redhat.com>
---
tests/acceptance/avocado_qemu/__init__.py | 48 ++++++++++++++++++++++-
tests/acceptance/linux_ssh_mips_malta.py | 40 ++-----------------
tests/acceptance/virtiofs_submounts.py | 37 -----------------
3 files changed, 50 insertions(+), 75 deletions(-)
diff --git a/tests/acceptance/avocado_qemu/__init__.py
b/tests/acceptance/avocado_qemu/__init__.py
index 83b1741ec85..67f75f66e56 100644
--- a/tests/acceptance/avocado_qemu/__init__.py
+++ b/tests/acceptance/avocado_qemu/__init__.py
@@ -20,6 +20,7 @@
from avocado.utils import cloudinit
from avocado.utils import datadrainer
from avocado.utils import network
+from avocado.utils import ssh
from avocado.utils import vmimage
from avocado.utils.path import find_command
@@ -43,6 +44,8 @@
from qemu.accel import kvm_available
from qemu.accel import tcg_available
from qemu.machine import QEMUMachine
+from qemu.utils import get_info_usernet_hostfwd_port
+
def is_readable_executable_file(path):
return os.path.isfile(path) and os.access(path, os.R_OK | os.X_OK)
@@ -253,7 +256,50 @@ def fetch_asset(self, name,
cancel_on_missing=cancel_on_missing)
-class LinuxTest(Test):
+class LinuxSSHMixIn:
+ """Contains utility methods for interacting with a guest via SSH."""
+
+ def ssh_connect(self, username, credential, credential_is_key=True):
+ self.ssh_logger = logging.getLogger('ssh')
+ res = self.vm.command('human-monitor-command',
+ command_line='info usernet')
+ port = get_info_usernet_hostfwd_port(res)
+ self.assertIsNotNone(port)
+ self.assertGreater(port, 0)
+ self.log.debug('sshd listening on port: %d', port)
+ if credential_is_key:
+ self.ssh_session = ssh.Session('127.0.0.1', port=port,
+ user=username, key=credential)
+ else:
+ self.ssh_session = ssh.Session('127.0.0.1', port=port,
+ user=username, password=credential)
+ for i in range(10):
+ try:
+ self.ssh_session.connect()
+ return
+ except:
+ time.sleep(4)
+ pass
+ self.fail('ssh connection timeout')
+
+ def ssh_command(self, command):
+ self.ssh_logger.info(command)
+ result = self.ssh_session.cmd(command)
+ stdout_lines = [line.rstrip() for line
+ in result.stdout_text.splitlines()]
+ for line in stdout_lines:
+ self.ssh_logger.info(line)
+ stderr_lines = [line.rstrip() for line
+ in result.stderr_text.splitlines()]
+ for line in stderr_lines:
+ self.ssh_logger.warning(line)
+
+ self.assertEqual(result.exit_status, 0,
+ f'Guest command failed: {command}')
+ return stdout_lines, stderr_lines
+
+
+class LinuxTest(Test, LinuxSSHMixIn):
"""Facilitates having a cloud-image Linux based available.
For tests that indend to interact with guests, this is a better choice
diff --git a/tests/acceptance/linux_ssh_mips_malta.py
b/tests/acceptance/linux_ssh_mips_malta.py
index 052008f02d4..61c9079d047 100644
--- a/tests/acceptance/linux_ssh_mips_malta.py
+++ b/tests/acceptance/linux_ssh_mips_malta.py
@@ -12,16 +12,14 @@
import time
from avocado import skipUnless
-from avocado_qemu import Test
+from avocado_qemu import Test, LinuxSSHMixIn
from avocado_qemu import wait_for_console_pattern
from avocado.utils import process
from avocado.utils import archive
from avocado.utils import ssh
-from qemu.utils import get_info_usernet_hostfwd_port
-
-class LinuxSSH(Test):
+class LinuxSSH(Test, LinuxSSHMixIn):
timeout = 150 # Not for 'configure --enable-debug --enable-debug-tcg'
@@ -72,41 +70,9 @@ def get_kernel_info(self, endianess, wordsize):
def setUp(self):
super(LinuxSSH, self).setUp()
- def ssh_connect(self, username, password):
- self.ssh_logger = logging.getLogger('ssh')
- res = self.vm.command('human-monitor-command',
- command_line='info usernet')
- port = get_info_usernet_hostfwd_port(res)
- if not port:
- self.cancel("Failed to retrieve SSH port")
- self.log.debug("sshd listening on port:" + port)
- self.ssh_session = ssh.Session(self.VM_IP, port=int(port),
- user=username, password=password)
- for i in range(10):
- try:
- self.ssh_session.connect()
- return
- except:
- time.sleep(4)
- pass
- self.fail("ssh connection timeout")
-
def ssh_disconnect_vm(self):
self.ssh_session.quit()
- def ssh_command(self, command, is_root=True):
- self.ssh_logger.info(command)
- result = self.ssh_session.cmd(command)
- stdout_lines = [line.rstrip() for line
- in result.stdout_text.splitlines()]
- for line in stdout_lines:
- self.ssh_logger.info(line)
- stderr_lines = [line.rstrip() for line
- in result.stderr_text.splitlines()]
- for line in stderr_lines:
- self.ssh_logger.warning(line)
- return stdout_lines, stderr_lines
-
def boot_debian_wheezy_image_and_ssh_login(self, endianess, kernel_path):
image_url, image_hash = self.get_image_info(endianess)
image_path = self.fetch_asset(image_url, asset_hash=image_hash)
@@ -127,7 +93,7 @@ def boot_debian_wheezy_image_and_ssh_login(self, endianess,
kernel_path):
wait_for_console_pattern(self, console_pattern, 'Oops')
self.log.info('sshd ready')
- self.ssh_connect('root', 'root')
+ self.ssh_connect('root', 'root', False)
def shutdown_via_ssh(self):
self.ssh_command('poweroff')
diff --git a/tests/acceptance/virtiofs_submounts.py
b/tests/acceptance/virtiofs_submounts.py
index 57a7047342f..bed8ce44dfc 100644
--- a/tests/acceptance/virtiofs_submounts.py
+++ b/tests/acceptance/virtiofs_submounts.py
@@ -9,8 +9,6 @@
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,
@@ -75,41 +73,6 @@ class VirtiofsSubmountsTest(LinuxTest):
:avocado: tags=accel:kvm
"""
- def ssh_connect(self, username, keyfile):
- self.ssh_logger = logging.getLogger('ssh')
- res = self.vm.command('human-monitor-command',
- command_line='info usernet')
- port = get_info_usernet_hostfwd_port(res)
- self.assertIsNotNone(port)
- self.assertGreater(port, 0)
- self.log.debug('sshd listening on port: %d', port)
- self.ssh_session = ssh.Session('127.0.0.1', port=port,
- user=username, key=keyfile)
- for i in range(10):
- try:
- self.ssh_session.connect()
- return
- except:
- time.sleep(4)
- pass
- self.fail('ssh connection timeout')
-
- def ssh_command(self, command):
- self.ssh_logger.info(command)
- result = self.ssh_session.cmd(command)
- stdout_lines = [line.rstrip() for line
- in result.stdout_text.splitlines()]
- for line in stdout_lines:
- self.ssh_logger.info(line)
- stderr_lines = [line.rstrip() for line
- in result.stderr_text.splitlines()]
- for line in stderr_lines:
- self.ssh_logger.warning(line)
-
- self.assertEqual(result.exit_status, 0,
- f'Guest command failed: {command}')
- return stdout_lines, stderr_lines
-
def run(self, args, ignore_error=False):
stdout, stderr, ret = run_cmd(args)
--
2.30.2
- [PATCH v3 00/11] Acceptance Test: introduce base class for Linux based tests, Cleber Rosa, 2021/04/12
- [PATCH v3 01/11] tests/acceptance/virtiofs_submounts.py: add missing accel tag, Cleber Rosa, 2021/04/12
- [PATCH v3 02/11] tests/acceptance/virtiofs_submounts.py: evaluate string not length, Cleber Rosa, 2021/04/12
- [PATCH v3 03/11] Python: add utility function for retrieving port redirection, Cleber Rosa, 2021/04/12
- [PATCH v3 04/11] Acceptance Tests: move useful ssh methods to base class,
Cleber Rosa <=
- [PATCH v3 05/11] Acceptance Tests: add port redirection for ssh by default, Cleber Rosa, 2021/04/12
- [PATCH v3 06/11] Acceptance Tests: make username/password configurable, Cleber Rosa, 2021/04/12
- [PATCH v3 07/11] Acceptance Tests: set up SSH connection by default after boot for LinuxTest, Cleber Rosa, 2021/04/12
- [PATCH v3 08/11] tests/acceptance/virtiofs_submounts.py: remove launch_vm(), Cleber Rosa, 2021/04/12
- [PATCH v3 09/11] Acceptance Tests: add basic documentation on LinuxTest base class, Cleber Rosa, 2021/04/12
- [PATCH v3 10/11] Acceptance Tests: introduce CPU hotplug test, Cleber Rosa, 2021/04/12
- [PATCH v3 11/11] tests/acceptance/virtiofs_submounts.py: fix setup of SSH pubkey, Cleber Rosa, 2021/04/12