# Functional test that boots a VM and run commands via a SSH session
#
# Copyright (c) Philippe Mathieu-Daudé <f4bug@amsat.org>
#
# This work is licensed under the terms of the GNU GPL, version 2 or
# later. See the COPYING file in the top-level directory.
import os
import re
import base64
import logging
import time
from avocado import skipUnless
from avocado_qemu import Test
from avocado_qemu import wait_for_console_pattern
from avocado.utils import process
from avocado.utils import archive
from avocado.utils import ssh
class LinuxSSH(Test):
timeout = 150 # Not for 'configure --enable-debug --enable-debug-tcg'
KERNEL_COMMON_COMMAND_LINE = 'printk.time=0 '
VM_IP = '127.0.0.1'
BASE_URL = 'https://people.debian.org/~aurel32/qemu/'
IMAGE_INFO = {
'be': {'base_url': 'mips',
'image_name': 'debian_wheezy_mips_standard.qcow2',
'image_hash': '8987a63270df67345b2135a6b7a4885a35e392d5',
'kernel_hash': {
32: '592e384a4edc16dade52a6cd5c785c637bcbc9ad',
64: 'db6eea7de35d36c77d8c165b6bcb222e16eb91db'}
},
'le': {'base_url': 'mipsel',
'image_name': 'debian_wheezy_mipsel_standard.qcow2',
'image_hash': '7866764d9de3ef536ffca24c9fb9f04ffdb45802',
'kernel_hash': {
32: 'a66bea5a8adaa2cb3d36a1d4e0ccdb01be8f6c2a',
64: '6a7f77245acf231415a0e8b725d91ed2f3487794'}
}
}
CPU_INFO = {
32: {'cpu': 'MIPS 24Kc', 'kernel_release': '3.2.0-4-4kc-malta'},
64: {'cpu': 'MIPS 20Kc', 'kernel_release': '3.2.0-4-5kc-malta'}
}
def get_url(self, endianess, path=''):
qkey = {'le': 'el', 'be': ''}
return '%s/mips%s/%s' % (self.BASE_URL, qkey[endianess], path)
def get_image_info(self, endianess):
dinfo = self.IMAGE_INFO[endianess]
image_url = self.get_url(endianess, dinfo['image_name'])
image_hash = dinfo['image_hash']
return (image_url, image_hash)
def get_kernel_info(self, endianess, wordsize):
minfo = self.CPU_INFO[wordsize]
kernel_url = self.get_url(endianess,
'vmlinux-%s' % minfo['kernel_release'])
kernel_hash = self.IMAGE_INFO[endianess]['kernel_hash'][wordsize]
return kernel_url, kernel_hash
@skipUnless(ssh.SSH_CLIENT_BINARY, 'No SSH client available')
@skipUnless(os.getenv('AVOCADO_TIMEOUT_EXPECTED'), 'Test might timeout')
def setUp(self):
super(LinuxSSH, self).setUp()
def get_portfwd(self):
res = self.vm.command('human-monitor-command',
command_line='info usernet')
line = res.split('\r\n')[2]
port = re.split(r'.*TCP.HOST_FORWARD.*127\.0\.0\.1 (\d+)\s+10\..*',
line)[1]
self.log.debug("sshd listening on port:" + port)
return port
def ssh_connect(self, username, password):
self.ssh_logger = logging.getLogger('ssh')
port = self.get_portfwd()
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)
self.vm.set_console()
kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE
+ 'console=ttyS0 root=/dev/sda1')
self.vm.add_args('-no-reboot',
'-kernel', kernel_path,
'-append', kernel_command_line,
'-drive', 'file=%s,snapshot=on' % image_path,
'-netdev', 'user,id=vnet,hostfwd=:127.0.0.1:0-:22',
'-device', 'pcnet,netdev=vnet')
self.vm.launch()
self.log.info('VM launched, waiting for sshd')
console_pattern = 'Starting OpenBSD Secure Shell server: sshd'
wait_for_console_pattern(self, console_pattern, 'Oops')
self.log.info('sshd ready')
self.ssh_connect('root', 'root')
def shutdown_via_ssh(self):
self.ssh_command('poweroff')
self.ssh_disconnect_vm()
wait_for_console_pattern(self, 'Power down', 'Oops')
def ssh_command_output_contains(self, cmd, exp):
stdout, _ = self.ssh_command(cmd)
for line in stdout:
if exp in line:
break
else:
self.fail('"%s" output does not contain "%s"' % (cmd, exp))
def run_common_commands(self, wordsize):
self.ssh_command_output_contains(
'cat /proc/cpuinfo',
self.CPU_INFO[wordsize]['cpu'])
self.ssh_command_output_contains(
'uname -m',
'mips')
self.ssh_command_output_contains(
'uname -r',
self.CPU_INFO[wordsize]['kernel_release'])
self.ssh_command_output_contains(
'cat /proc/interrupts',
'XT-PIC timer')
self.ssh_command_output_contains(
'cat /proc/interrupts',
'XT-PIC i8042')
self.ssh_command_output_contains(
'cat /proc/interrupts',
'XT-PIC serial')
self.ssh_command_output_contains(
'cat /proc/interrupts',
'XT-PIC ata_piix')
self.ssh_command_output_contains(
'cat /proc/interrupts',
'XT-PIC eth0')
self.ssh_command_output_contains(
'cat /proc/devices',
'input')
self.ssh_command_output_contains(
'cat /proc/devices',
'usb')
self.ssh_command_output_contains(
'cat /proc/devices',
'fb')
self.ssh_command_output_contains(
'cat /proc/ioports',
' : serial')
self.ssh_command_output_contains(
'cat /proc/ioports',
' : ata_piix')
self.ssh_command_output_contains(
'cat /proc/ioports',
' : piix4_smbus')
self.ssh_command_output_contains(
'lspci -d 11ab:4620',
'GT-64120')
self.ssh_command_output_contains(
'cat /sys/bus/i2c/devices/i2c-0/name',
'SMBus PIIX4 adapter')
self.ssh_command_output_contains(
'cat /proc/mtd',
'YAMON')
# Empty 'Board Config' (64KB)
self.ssh_command_output_contains(
'md5sum /dev/mtd2ro',
'0dfbe8aa4c20b52e1b8bf3cb6cbdf193')
def check_mips_malta(self, uname_m, endianess):
wordsize = 64 if '64' in uname_m else 32
kernel_url, kernel_hash = self.get_kernel_info(endianess, wordsize)
kernel_path = self.fetch_asset(kernel_url, asset_hash=kernel_hash)
self.boot_debian_wheezy_image_and_ssh_login(endianess, kernel_path)
stdout, _ = self.ssh_command('uname -a')
self.assertIn(True, [uname_m + " GNU/Linux" in line for line in stdout])
self.run_common_commands(wordsize)
self.shutdown_via_ssh()
# Wait for VM to shut down gracefully
self.vm.wait()
def test_mips_malta32eb_kernel3_2_0(self):
"""
:avocado: tags=arch:mips
:avocado: tags=endian:big
:avocado: tags=device:pcnet32
"""
self.check_mips_malta('mips', 'be')
def test_mips_malta32el_kernel3_2_0(self):
"""
:avocado: tags=arch:mipsel
:avocado: tags=endian:little
:avocado: tags=device:pcnet32
"""
self.check_mips_malta('mips', 'le')
def test_mips_malta64eb_kernel3_2_0(self):
"""
:avocado: tags=arch:mips64
:avocado: tags=endian:big
:avocado: tags=device:pcnet32
"""
self.check_mips_malta('mips64', 'be')
def test_mips_malta64el_kernel3_2_0(self):
"""
:avocado: tags=arch:mips64el
:avocado: tags=endian:little
:avocado: tags=device:pcnet32
"""
self.check_mips_malta('mips64', 'le')
