370 lines
18 KiB
Python
370 lines
18 KiB
Python
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#!/usr/bin/env python
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#
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# Copyright 2019 - The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Tests for acloud.internal.lib.ssh."""
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import io
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import subprocess
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import threading
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import time
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import unittest
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from unittest import mock
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from acloud import errors
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from acloud.internal import constants
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from acloud.internal.lib import driver_test_lib
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from acloud.internal.lib import ssh
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from acloud.internal.lib import utils
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class SshTest(driver_test_lib.BaseDriverTest):
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"""Test ssh class."""
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FAKE_SSH_PRIVATE_KEY_PATH = "/fake/acloud_rea"
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FAKE_SSH_USER = "fake_user"
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FAKE_IP = ssh.IP(external="1.1.1.1", internal="10.1.1.1")
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FAKE_EXTRA_ARGS_SSH = "-o ProxyCommand='ssh fake_user@2.2.2.2 Server 22'"
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FAKE_REPORT_INTERNAL_IP = True
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def setUp(self):
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"""Set up the test."""
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super().setUp()
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self.Patch(utils, "FindExecutable",
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side_effect=lambda name: f"/usr/bin/{name}")
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self.created_subprocess = mock.MagicMock()
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self.created_subprocess.stdout = mock.MagicMock()
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self.created_subprocess.stdout.readline = mock.MagicMock(return_value=b"")
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self.created_subprocess.poll = mock.MagicMock(return_value=0)
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self.created_subprocess.returncode = 0
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self.created_subprocess.communicate = mock.MagicMock(return_value=
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('', ''))
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def testSSHExecuteWithRetry(self):
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"""test SSHExecuteWithRetry method."""
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self.Patch(time, "sleep")
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self.Patch(subprocess, "Popen",
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side_effect=subprocess.CalledProcessError(
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None, "ssh command fail."))
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self.assertRaises(subprocess.CalledProcessError,
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ssh.ShellCmdWithRetry,
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"fake cmd")
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def testGetBaseCmdWithInternalIP(self):
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"""Test get base command with internal ip."""
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ssh_object = ssh.Ssh(ip=self.FAKE_IP,
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user=self.FAKE_SSH_USER,
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ssh_private_key_path=self.FAKE_SSH_PRIVATE_KEY_PATH,
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report_internal_ip=self.FAKE_REPORT_INTERNAL_IP)
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expected_ssh_cmd = (
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"/usr/bin/ssh -i /fake/acloud_rea -o LogLevel=ERROR -o ControlPath=none "
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"-o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no "
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"-l fake_user 10.1.1.1")
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self.assertEqual(ssh_object.GetBaseCmd(constants.SSH_BIN), expected_ssh_cmd)
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def testGetBaseCmd(self):
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"""Test get base command."""
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ssh_object = ssh.Ssh(self.FAKE_IP, self.FAKE_SSH_USER, self.FAKE_SSH_PRIVATE_KEY_PATH)
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expected_ssh_cmd = (
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"/usr/bin/ssh -i /fake/acloud_rea -o LogLevel=ERROR -o ControlPath=none "
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"-o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no "
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"-l fake_user 1.1.1.1")
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self.assertEqual(ssh_object.GetBaseCmd(constants.SSH_BIN), expected_ssh_cmd)
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expected_scp_cmd = (
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"/usr/bin/scp -i /fake/acloud_rea -o LogLevel=ERROR -o ControlPath=none "
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"-o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no")
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self.assertEqual(ssh_object.GetBaseCmd(constants.SCP_BIN), expected_scp_cmd)
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# pylint: disable=no-member
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def testSshRunCmd(self):
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"""Test ssh run command."""
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self.Patch(subprocess, "Popen", return_value=self.created_subprocess)
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ssh_object = ssh.Ssh(self.FAKE_IP, self.FAKE_SSH_USER, self.FAKE_SSH_PRIVATE_KEY_PATH)
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ssh_object.Run("command")
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expected_cmd = (
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"exec /usr/bin/ssh -i /fake/acloud_rea -o LogLevel=ERROR -o ControlPath=none "
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"-o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no "
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"-l fake_user 1.1.1.1 command")
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subprocess.Popen.assert_called_with(expected_cmd,
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shell=True,
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stderr=-2,
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stdin=None,
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stdout=-1,
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universal_newlines=True)
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def testSshRunCmdwithExtraArgs(self):
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"""test ssh rum command with extra command."""
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self.Patch(subprocess, "Popen", return_value=self.created_subprocess)
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ssh_object = ssh.Ssh(self.FAKE_IP,
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self.FAKE_SSH_USER,
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self.FAKE_SSH_PRIVATE_KEY_PATH,
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self.FAKE_EXTRA_ARGS_SSH)
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ssh_object.Run("command")
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expected_cmd = (
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"exec /usr/bin/ssh -i /fake/acloud_rea -o LogLevel=ERROR -o ControlPath=none "
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"-o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no "
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"-o ProxyCommand='ssh fake_user@2.2.2.2 Server 22' "
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"-l fake_user 1.1.1.1 command")
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subprocess.Popen.assert_called_with(expected_cmd,
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shell=True,
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stderr=-2,
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stdin=None,
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stdout=-1,
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universal_newlines=True)
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def testScpPullFileCmd(self):
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"""Test scp pull file command."""
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self.Patch(subprocess, "Popen", return_value=self.created_subprocess)
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ssh_object = ssh.Ssh(self.FAKE_IP, self.FAKE_SSH_USER, self.FAKE_SSH_PRIVATE_KEY_PATH)
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ssh_object.ScpPullFile("/tmp/test", "/tmp/test_1.log")
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expected_cmd = (
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"exec /usr/bin/scp -i /fake/acloud_rea -o LogLevel=ERROR -o ControlPath=none "
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"-o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no "
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"fake_user@1.1.1.1:/tmp/test /tmp/test_1.log")
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subprocess.Popen.assert_called_with(expected_cmd,
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shell=True,
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stderr=-2,
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stdin=None,
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stdout=-1,
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universal_newlines=True)
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def testScpPullFileCmdwithExtraArgs(self):
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"""Test scp pull file command."""
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self.Patch(subprocess, "Popen", return_value=self.created_subprocess)
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ssh_object = ssh.Ssh(self.FAKE_IP,
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self.FAKE_SSH_USER,
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self.FAKE_SSH_PRIVATE_KEY_PATH,
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self.FAKE_EXTRA_ARGS_SSH)
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ssh_object.ScpPullFile("/tmp/test", "/tmp/test_1.log")
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expected_cmd = (
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"exec /usr/bin/scp -i /fake/acloud_rea -o LogLevel=ERROR -o ControlPath=none "
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"-o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no "
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"-o ProxyCommand='ssh fake_user@2.2.2.2 Server 22' "
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"fake_user@1.1.1.1:/tmp/test /tmp/test_1.log")
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subprocess.Popen.assert_called_with(expected_cmd,
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shell=True,
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stderr=-2,
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stdin=None,
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stdout=-1,
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universal_newlines=True)
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def testScpPushFileCmd(self):
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"""Test scp push file command."""
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self.Patch(subprocess, "Popen", return_value=self.created_subprocess)
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ssh_object = ssh.Ssh(self.FAKE_IP, self.FAKE_SSH_USER, self.FAKE_SSH_PRIVATE_KEY_PATH)
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ssh_object.ScpPushFile("/tmp/test", "/tmp/test_1.log")
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expected_cmd = (
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"exec /usr/bin/scp -i /fake/acloud_rea -o LogLevel=ERROR -o ControlPath=none "
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"-o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no "
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"/tmp/test fake_user@1.1.1.1:/tmp/test_1.log")
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subprocess.Popen.assert_called_with(expected_cmd,
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shell=True,
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stderr=-2,
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stdin=None,
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stdout=-1,
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universal_newlines=True)
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def testScpPushFileCmdwithExtraArgs(self):
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"""Test scp pull file command."""
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self.Patch(subprocess, "Popen", return_value=self.created_subprocess)
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ssh_object = ssh.Ssh(self.FAKE_IP,
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self.FAKE_SSH_USER,
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self.FAKE_SSH_PRIVATE_KEY_PATH,
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self.FAKE_EXTRA_ARGS_SSH)
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ssh_object.ScpPushFile("/tmp/test", "/tmp/test_1.log")
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expected_cmd = (
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"exec /usr/bin/scp -i /fake/acloud_rea -o LogLevel=ERROR -o ControlPath=none "
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"-o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no "
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"-o ProxyCommand='ssh fake_user@2.2.2.2 Server 22' "
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"/tmp/test fake_user@1.1.1.1:/tmp/test_1.log")
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subprocess.Popen.assert_called_with(expected_cmd,
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shell=True,
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stderr=-2,
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stdin=None,
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stdout=-1,
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universal_newlines=True)
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# pylint: disable=protected-access
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def testIPAddress(self):
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"""Test IP class to get ip address."""
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# Internal ip case.
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ssh_object = ssh.Ssh(ip=ssh.IP(external="1.1.1.1", internal="10.1.1.1"),
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user=self.FAKE_SSH_USER,
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ssh_private_key_path=self.FAKE_SSH_PRIVATE_KEY_PATH,
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report_internal_ip=True)
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expected_ip = "10.1.1.1"
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self.assertEqual(ssh_object._ip, expected_ip)
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# External ip case.
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ssh_object = ssh.Ssh(ip=ssh.IP(external="1.1.1.1", internal="10.1.1.1"),
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user=self.FAKE_SSH_USER,
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ssh_private_key_path=self.FAKE_SSH_PRIVATE_KEY_PATH)
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expected_ip = "1.1.1.1"
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self.assertEqual(ssh_object._ip, expected_ip)
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# Only one ip case.
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ssh_object = ssh.Ssh(ip=ssh.IP(ip="1.1.1.1"),
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user=self.FAKE_SSH_USER,
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ssh_private_key_path=self.FAKE_SSH_PRIVATE_KEY_PATH)
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expected_ip = "1.1.1.1"
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self.assertEqual(ssh_object._ip, expected_ip)
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def testWaitForSsh(self):
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"""Test WaitForSsh."""
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ssh_object = ssh.Ssh(ip=self.FAKE_IP,
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user=self.FAKE_SSH_USER,
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ssh_private_key_path=self.FAKE_SSH_PRIVATE_KEY_PATH,
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report_internal_ip=self.FAKE_REPORT_INTERNAL_IP)
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self.created_subprocess.returncode = -1
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self.Patch(subprocess, "Popen", return_value=self.created_subprocess)
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self.assertRaises(subprocess.CalledProcessError,
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ssh_object.WaitForSsh,
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timeout=1,
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max_retry=1)
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def testSshCallWait(self):
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"""Test SshCallWait."""
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self.Patch(subprocess, "Popen", return_value=self.created_subprocess)
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self.Patch(threading, "Timer")
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fake_cmd = "fake command"
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ssh._SshCallWait(fake_cmd)
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threading.Timer.assert_not_called()
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def testSshCallWaitTimeout(self):
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"""Test SshCallWait with timeout."""
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self.Patch(subprocess, "Popen", return_value=self.created_subprocess)
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self.Patch(threading, "Timer")
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fake_cmd = "fake command"
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fake_timeout = 30
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ssh._SshCallWait(fake_cmd, fake_timeout)
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threading.Timer.assert_called_once()
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def testSshCall(self):
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"""Test _SshCall."""
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self.Patch(subprocess, "Popen", return_value=self.created_subprocess)
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self.Patch(threading, "Timer")
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fake_cmd = "fake command"
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ssh._SshCall(fake_cmd)
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threading.Timer.assert_not_called()
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def testSshCallTimeout(self):
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"""Test SshCallWait with timeout."""
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self.Patch(subprocess, "Popen", return_value=self.created_subprocess)
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self.Patch(threading, "Timer")
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fake_cmd = "fake command"
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fake_timeout = 30
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ssh._SshCall(fake_cmd, fake_timeout)
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threading.Timer.assert_called_once()
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def testSshLogOutput(self):
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"""Test _SshCall."""
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self.Patch(subprocess, "Popen", return_value=self.created_subprocess)
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self.Patch(threading, "Timer")
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fake_cmd = "fake command"
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ssh._SshLogOutput(fake_cmd)
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threading.Timer.assert_not_called()
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# Test with all kind of exceptions.
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self.created_subprocess.returncode = 255
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self.assertRaises(
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errors.DeviceConnectionError, ssh._SshLogOutput, fake_cmd)
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self.created_subprocess.returncode = -1
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self.assertRaises(
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subprocess.CalledProcessError, ssh._SshLogOutput, fake_cmd)
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with mock.patch("sys.stderr", new=io.StringIO()):
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self.created_subprocess.communicate = mock.MagicMock(
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return_value=(constants.ERROR_MSG_VNC_NOT_SUPPORT, ''))
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self.assertRaises(
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errors.LaunchCVDFail, ssh._SshLogOutput, fake_cmd)
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with mock.patch("sys.stderr", new=io.StringIO()):
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self.created_subprocess.communicate = mock.MagicMock(
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return_value=(constants.ERROR_MSG_WEBRTC_NOT_SUPPORT, ''))
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self.assertRaises(
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errors.LaunchCVDFail, ssh._SshLogOutput, fake_cmd)
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def testSshLogOutputTimeout(self):
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"""Test SshCallWait with timeout."""
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self.Patch(subprocess, "Popen", return_value=self.created_subprocess)
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self.Patch(threading, "Timer")
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fake_cmd = "fake command"
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fake_timeout = 30
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ssh._SshLogOutput(fake_cmd, fake_timeout)
|
|||
|
|
threading.Timer.assert_called_once()
|
|||
|
|
|
|||
|
|
def testGetErrorMessage(self):
|
|||
|
|
"""Test _GetErrorMessage."""
|
|||
|
|
# should return response
|
|||
|
|
fake_output = """
|
|||
|
|
fetch_cvd E 10-25 09:45:44 1337 1337 build_api.cc:184] URL endpoint did not have json path: {
|
|||
|
|
fetch_cvd E 10-25 09:45:44 1337 1337 build_api.cc:184] "error" : "Failed to parse json.",
|
|||
|
|
fetch_cvd E 10-25 09:45:44 1337 1337 build_api.cc:184] "response" : "fake_error_response"
|
|||
|
|
fetch_cvd E 10-25 09:45:44 1337 1337 build_api.cc:184] }
|
|||
|
|
fetch_cvd E 10-25 09:45:44 1337 1337 fetch_cvd.cc:102] Unable to download."""
|
|||
|
|
self.assertEqual(ssh._GetErrorMessage(fake_output), "fake_error_response")
|
|||
|
|
|
|||
|
|
# should return message only
|
|||
|
|
fake_output = """
|
|||
|
|
fetch_cvd F 11-15 07:34:13 2169 2169 build_api.cc:164] Error fetching the artifacts
|
|||
|
|
fetch_cvd F 11-15 07:34:13 2169 2169 build_api.cc:164] "error" :
|
|||
|
|
fetch_cvd F 11-15 07:34:13 2169 2169 build_api.cc:164] {
|
|||
|
|
fetch_cvd F 11-15 07:34:13 2169 2169 build_api.cc:164] "code" : 500,
|
|||
|
|
fetch_cvd F 11-15 07:34:13 2169 2169 build_api.cc:164] "errors" :
|
|||
|
|
fetch_cvd F 11-15 07:34:13 2169 2169 build_api.cc:164] [
|
|||
|
|
fetch_cvd F 11-15 07:34:13 2169 2169 build_api.cc:164] {}
|
|||
|
|
fetch_cvd F 11-15 07:34:13 2169 2169 build_api.cc:164] ],
|
|||
|
|
fetch_cvd F 11-15 07:34:13 2169 2169 build_api.cc:164] "message" : "Unknown Error.",
|
|||
|
|
fetch_cvd F 11-15 07:34:13 2169 2169 build_api.cc:164] "status" : "UNKNOWN"
|
|||
|
|
fetch_cvd F 11-15 07:34:13 2169 2169 build_api.cc:164] }
|
|||
|
|
fetch_cvd F 11-15 07:34:13 2169 2169 build_api.cc:164] }", and code was 500Fail! (320s)"""
|
|||
|
|
self.assertEqual(ssh._GetErrorMessage(fake_output), "Unknown Error.")
|
|||
|
|
|
|||
|
|
# should output last 10 line
|
|||
|
|
fake_output = """
|
|||
|
|
fetch_cvd F 11-15 07:34:13 2169 2169 build_api.cc:164] Error fetching the artifacts of {
|
|||
|
|
fetch_cvd F 11-15 07:34:13 2169 2169 build_api.cc:164] "error" :
|
|||
|
|
fetch_cvd F 11-15 07:34:13 2169 2169 build_api.cc:164] {
|
|||
|
|
fetch_cvd F 11-15 07:34:13 2169 2169 build_api.cc:164] "code" : 500,
|
|||
|
|
fetch_cvd F 11-15 07:34:13 2169 2169 build_api.cc:164] "errors" :
|
|||
|
|
fetch_cvd F 11-15 07:34:13 2169 2169 build_api.cc:164] [
|
|||
|
|
fetch_cvd F 11-15 07:34:13 2169 2169 build_api.cc:164] {}
|
|||
|
|
fetch_cvd F 11-15 07:34:13 2169 2169 build_api.cc:164] ],
|
|||
|
|
fetch_cvd F 11-15 07:34:13 2169 2169 build_api.cc:164] "status" : "UNKNOWN"
|
|||
|
|
fetch_cvd F 11-15 07:34:13 2169 2169 build_api.cc:164] }
|
|||
|
|
fetch_cvd F 11-15 07:34:13 2169 2169 build_api.cc:164] }", and code was 500Fail! (320s)"""
|
|||
|
|
self.assertEqual(ssh._GetErrorMessage(fake_output), "\n".join(
|
|||
|
|
fake_output.splitlines()[-10::]))
|
|||
|
|
|
|||
|
|
def testFilterUnusedContent(self):
|
|||
|
|
"""Test _FilterUnusedContent."""
|
|||
|
|
# should remove html, !, title, span, a, p, b, style, ins, code, \n
|
|||
|
|
fake_content = ("<!DOCTYPE html><html lang=en>\\n<meta charset=utf-8>"
|
|||
|
|
"<title>Error</title>\\n<style>*{padding:0}html}</style>"
|
|||
|
|
"<a href=//www.google.com/><span id=logo></span></a>"
|
|||
|
|
"<p><b>404.</b> <ins>That\u2019s an error.</ins><p>"
|
|||
|
|
"The requested URL was not found on this server <code>"
|
|||
|
|
"url/id</code> <ins>That\u2019s all we know.</ins>\\n")
|
|||
|
|
expected = (" Error 404. That’s an error.The requested URL was not"
|
|||
|
|
" found on this server url/id That’s all we know. ")
|
|||
|
|
self.assertEqual(ssh._FilterUnusedContent(fake_content), expected)
|
|||
|
|
|
|||
|
|
|
|||
|
|
if __name__ == "__main__":
|
|||
|
|
unittest.main()
|