#
# VM testing base class
#
-# Copyright 2017 Red Hat Inc.
+# Copyright 2017-2019 Red Hat Inc.
#
# Authors:
# Fam Zheng <famz@redhat.com>
+# Gerd Hoffmann <kraxel@redhat.com>
#
# This code is licensed under the GPL version 2 or later. See
# the COPYING file in the top-level directory.
from __future__ import print_function
import os
+import re
import sys
+import socket
import logging
import time
import datetime
GUEST_PASS = "qemupass"
ROOT_PASS = "qemupass"
+ envvars = [
+ "https_proxy",
+ "http_proxy",
+ "ftp_proxy",
+ "no_proxy",
+ ]
+
# The script to run in the guest that builds QEMU
BUILD_SCRIPT = ""
# The guest name, to be overridden by subclasses
name = "#base"
# The guest architecture, to be overridden by subclasses
arch = "#arch"
+ # command to halt the guest, can be overridden by subclasses
+ poweroff = "poweroff"
def __init__(self, debug=False, vcpus=None):
self._guest = None
self._tmpdir = os.path.realpath(tempfile.mkdtemp(prefix="vm-test-",
"-cpu", "max",
"-netdev", "user,id=vnet,hostfwd=:127.0.0.1:0-:22",
"-device", "virtio-net-pci,netdev=vnet",
- "-vnc", "127.0.0.1:0,to=20",
- "-serial", "file:%s" % os.path.join(self._tmpdir, "serial.out")]
+ "-vnc", "127.0.0.1:0,to=20"]
if vcpus and vcpus > 1:
self._args += ["-smp", "%d" % vcpus]
if kvm_available(self.arch):
os.rename(fname + ".download", fname)
return fname
- def _ssh_do(self, user, cmd, check, interactive=False):
- ssh_cmd = ["ssh", "-q",
+ def _ssh_do(self, user, cmd, check):
+ ssh_cmd = ["ssh", "-q", "-t",
"-o", "StrictHostKeyChecking=no",
"-o", "UserKnownHostsFile=" + os.devnull,
"-o", "ConnectTimeout=1",
"-p", self.ssh_port, "-i", self._ssh_key_file]
- if interactive:
- ssh_cmd += ['-t']
+ for var in self.envvars:
+ ssh_cmd += ['-o', "SendEnv=%s" % var ]
assert not isinstance(cmd, str)
ssh_cmd += ["%s@127.0.0.1" % user] + list(cmd)
logging.debug("ssh_cmd: %s", " ".join(ssh_cmd))
def ssh(self, *cmd):
return self._ssh_do(self.GUEST_USER, cmd, False)
- def ssh_interactive(self, *cmd):
- return self._ssh_do(self.GUEST_USER, cmd, False, True)
-
def ssh_root(self, *cmd):
return self._ssh_do("root", cmd, False)
logging.debug("QEMU args: %s", " ".join(args))
qemu_bin = os.environ.get("QEMU", "qemu-system-" + self.arch)
guest = QEMUMachine(binary=qemu_bin, args=args)
+ guest.set_machine('pc')
+ guest.set_console()
try:
guest.launch()
except:
raise Exception("Cannot find ssh port from 'info usernet':\n%s" % \
usernet_info)
+ def console_init(self, timeout = 120):
+ vm = self._guest
+ vm.console_socket.settimeout(timeout)
+
+ def console_log(self, text):
+ for line in re.split("[\r\n]", text):
+ # filter out terminal escape sequences
+ line = re.sub("\x1b\[[0-9;?]*[a-zA-Z]", "", line)
+ line = re.sub("\x1b\([0-9;?]*[a-zA-Z]", "", line)
+ # replace unprintable chars
+ line = re.sub("\x1b", "<esc>", line)
+ line = re.sub("[\x00-\x1f]", ".", line)
+ line = re.sub("[\x80-\xff]", ".", line)
+ if line == "":
+ continue
+ # log console line
+ sys.stderr.write("con recv: %s\n" % line)
+
+ def console_wait(self, expect, expectalt = None):
+ vm = self._guest
+ output = ""
+ while True:
+ try:
+ chars = vm.console_socket.recv(1)
+ except socket.timeout:
+ sys.stderr.write("console: *** read timeout ***\n")
+ sys.stderr.write("console: waiting for: '%s'\n" % expect)
+ if not expectalt is None:
+ sys.stderr.write("console: waiting for: '%s' (alt)\n" % expectalt)
+ sys.stderr.write("console: line buffer:\n")
+ sys.stderr.write("\n")
+ self.console_log(output.rstrip())
+ sys.stderr.write("\n")
+ raise
+ output += chars.decode("latin1")
+ if expect in output:
+ break
+ if not expectalt is None and expectalt in output:
+ break
+ if "\r" in output or "\n" in output:
+ lines = re.split("[\r\n]", output)
+ output = lines.pop()
+ if self.debug:
+ self.console_log("\n".join(lines))
+ if self.debug:
+ self.console_log(output)
+ if not expectalt is None and expectalt in output:
+ return False
+ return True
+
+ def console_send(self, command):
+ vm = self._guest
+ if self.debug:
+ logline = re.sub("\n", "<enter>", command)
+ logline = re.sub("[\x00-\x1f]", ".", logline)
+ sys.stderr.write("con send: %s\n" % logline)
+ for char in list(command):
+ vm.console_socket.send(char.encode("utf-8"))
+ time.sleep(0.01)
+
+ def console_wait_send(self, wait, command):
+ self.console_wait(wait)
+ self.console_send(command)
+
+ def console_ssh_init(self, prompt, user, pw):
+ sshkey_cmd = "echo '%s' > .ssh/authorized_keys\n" % SSH_PUB_KEY.rstrip()
+ self.console_wait_send("login:", "%s\n" % user)
+ self.console_wait_send("Password:", "%s\n" % pw)
+ self.console_wait_send(prompt, "mkdir .ssh\n")
+ self.console_wait_send(prompt, sshkey_cmd)
+ self.console_wait_send(prompt, "chmod 755 .ssh\n")
+ self.console_wait_send(prompt, "chmod 644 .ssh/authorized_keys\n")
+
+ def console_sshd_config(self, prompt):
+ self.console_wait(prompt)
+ self.console_send("echo 'PermitRootLogin yes' >> /etc/ssh/sshd_config\n")
+ for var in self.envvars:
+ self.console_wait(prompt)
+ self.console_send("echo 'AcceptEnv %s' >> /etc/ssh/sshd_config\n" % var)
+
+ def print_step(self, text):
+ sys.stderr.write("### %s ...\n" % text)
+
def wait_ssh(self, seconds=300):
starttime = datetime.datetime.now()
endtime = starttime + datetime.timedelta(seconds=seconds)
def wait(self):
self._guest.wait()
+ def graceful_shutdown(self):
+ self.ssh_root(self.poweroff)
+ self._guest.wait()
+
def qmp(self, *args, **kwargs):
return self._guest.qmp(*args, **kwargs)
traceback.print_exc()
return 2
- if args.interactive:
- if vm.ssh_interactive(*cmd) == 0:
- return 0
- vm.ssh_interactive()
- return 3
- else:
- if vm.ssh(*cmd) != 0:
- return 3
+ exitcode = 0
+ if vm.ssh(*cmd) != 0:
+ exitcode = 3
+ if exitcode != 0 and args.interactive:
+ vm.ssh()
+
+ if not args.snapshot:
+ vm.graceful_shutdown()
+
+ return exitcode
projects / mirror_qemu.git / blobdiff