def test_wait_for_unix_socket(tmpdir):
addr = sockutil.UnixAddress(tmpdir.join("path"))
# Socket was not created yet.
start = time.monotonic()
assert not sockutil.wait_for_socket(addr, 0.1)
waited = time.monotonic() - start
assert 0.1 <= waited < 0.2
sock = socket.socket(socket.AF_UNIX)
with closing(sock):
sock.bind(addr)
# Socket bound but not listening yet.
start = time.monotonic()
assert not sockutil.wait_for_socket(addr, 0.1)
waited = time.monotonic() - start
assert 0.1 <= waited < 0.2
sock.listen(1)
# Socket listening - should return immediately.
assert sockutil.wait_for_socket(addr, 0.0)
# Socket was closed - should return immediately.
assert not sockutil.wait_for_socket(addr, 0.0)
def test_run_tcp(tmpfile):
with io.open(tmpfile, "r+b") as f:
f.truncate(1024**2)
addr = nbd.TCPAddress("localhost", testutil.random_tcp_port())
with qemu_nbd.run(tmpfile, "raw", addr):
# The helper already waited for the NBD socket, not wait needed.
assert sockutil.wait_for_socket(addr, 0.0)
# The socket must be closed, no wait needed.
assert not sockutil.wait_for_socket(addr, 0.0)
def test_run_unix(tmpdir):
image = str(tmpdir.join("image"))
sock = str(tmpdir.join("sock"))
with io.open(image, "wb") as f:
f.truncate(1024**2)
addr = nbd.UnixAddress(sock)
with qemu_nbd.run(image, "raw", addr):
# The helper already waited for the NBD socket, not wait needed.
assert sockutil.wait_for_socket(addr, 0.0)
# The socket must be closed, no wait needed.
assert not sockutil.wait_for_socket(addr, 0.0)
def srv(request, tmpdir_factory):
tmp_dir = tmpdir_factory.mktemp("admin_tool_test")
conf_file = tmp_dir.mkdir("conf.d").join("daemon.conf")
random_port = testutil.random_tcp_port()
conf = DAEMON_CONF.format(run_dir=str(tmp_dir),
control_transport=request.param,
control_port=random_port)
conf_file.write(conf)
log.info("Starting daemon with conf dir %s", tmp_dir)
cmd = ["./ovirt-imageio", "--conf-dir", str(tmp_dir)]
proc = subprocess.Popen(cmd)
try:
if request.param == "unix":
socket = sockutil.UnixAddress(str(tmp_dir.join("sock")))
else:
socket = sockutil.TCPAddress("localhost", random_port)
if not sockutil.wait_for_socket(socket, 10):
raise RuntimeError("Timeout waiting for {}".format(socket))
log.info("Daemon started with pid %s", proc.pid)
yield str(tmp_dir)
finally:
log.info("Terminating daemon")
proc.terminate()
def run(image, fmt, qmp_sock=None, start_cpu=True, shutdown_timeout=1):
# NOTES:
# - Let qemu pick default memory size, since on some platforms memory have
# strange alignment. Here is a failure from ppc64le host:
# qemu-kvm: Memory size 0x1000000 is not aligned to 256 MiB
cmd = [
QEMU,
# Use kvm if available, othrewise fallback to tcg. This allows running
# qemu on Travis CI which does not support nested virtualization.
"-nodefaults",
"-machine",
"accel=kvm:tcg",
"-drive",
"if=virtio,id=drive0,node-name=file0,file={},format={}".format(
image, fmt),
"-nographic",
"-net",
"none",
"-monitor",
"none",
"-serial",
"stdio",
]
if qmp_sock:
cmd.append("-qmp")
cmd.append("unix:{},server,nowait".format(qmp_sock))
# Workaround for bug in qemu-4.0.0-rc0 on Fedora, failing to start VM
# becuase initilizing real audio driver failed.
# See https://bugzilla.redhat.com/1692047.
if supports_audiodev():
cmd.append("-audiodev")
cmd.append("none,id=1")
if not start_cpu:
cmd.append("-S")
log.info("Starting qemu %s", cmd)
p = subprocess.Popen(cmd,
env=env(),
stdin=subprocess.PIPE,
stdout=subprocess.PIPE)
try:
if qmp_sock and not sockutil.wait_for_socket(qmp_sock, 1):
raise RuntimeError("Timeout waiting for socket: %s" % qmp_sock)
yield Guest(p)
finally:
log.info("Terminating qemu gracefully")
p.terminate()
try:
p.wait(shutdown_timeout)
except subprocess.TimeoutExpired:
log.warning("Timeout terminating qemu - killing it")
p.kill()
p.wait()
log.debug("qemu terminated with exit code %s", p.returncode)
def test_wait_for_tcp_socket():
sock = socket.socket()
with closing(sock):
sock.bind(("localhost", 0))
addr = sockutil.TCPAddress(*sock.getsockname())
# Socket bound but not listening yet.
start = time.monotonic()
assert not sockutil.wait_for_socket(addr, 0.1)
waited = time.monotonic() - start
assert 0.1 <= waited < 0.2
sock.listen(1)
# Socket listening - should return immediately.
assert sockutil.wait_for_socket(addr, 0.0)
# Socket was closed - should return immediately.
assert not sockutil.wait_for_socket(addr, 0.0)
def started_imageio(tmpdir, drop_privileges="true"):
prepare_config(tmpdir, drop_privileges=drop_privileges)
conf_dir = tmpdir.join("conf")
cmd = ["./ovirt-imageio", "--conf-dir", str(conf_dir)]
proc = subprocess.Popen(cmd)
try:
socket = sockutil.UnixAddress(str(tmpdir.join("run", "sock")))
if not sockutil.wait_for_socket(socket, 10):
raise RuntimeError("Timeout waiting for {}".format(socket))
# Wait until server is listening - at this point it already dropped
# privileges.
if drop_privileges:
cfg = config.load(str(conf_dir.join("conf.d", "daemon.conf")))
with http.ControlClient(cfg) as c:
r = c.get("/tickets/no-such-ticket")
r.read()
assert r.status == 404
yield proc
finally:
proc.terminate()