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#!/usr/bin/env python
# ClusterShell.CLI.Clush test suite
# Written by S. Thiell
"""Unit test for CLI/Clush.py"""
import errno
import os
import pwd
import re
import signal
import sys
import tempfile
import threading
import time
import unittest
from subprocess import Popen, PIPE
from TLib import *
import ClusterShell.CLI.Clush
from ClusterShell.CLI.Clush import main
from ClusterShell.NodeSet import NodeSet
from ClusterShell.Task import task_cleanup
from ClusterShell.Worker.EngineClient import EngineClientNotSupportedError
class CLIClushTest_A(unittest.TestCase):
"""Unit test class for testing CLI/Clush.py"""
def tearDown(self):
"""cleanup all tasks"""
task_cleanup()
def _clush_t(self, args, stdin, expected_stdout, expected_rc=0,
expected_stderr=None):
"""This new version allows code coverage checking by calling clush's
main entry point."""
def raw_input_mock(prompt):
# trusty sleep
wait_time = 60
start = time.time()
while (time.time() - start < wait_time):
time.sleep(wait_time - (time.time() - start))
return ""
ClusterShell.CLI.Clush.raw_input = raw_input_mock
try:
CLI_main(self, main, [ 'clush' ] + args, stdin, expected_stdout,
expected_rc, expected_stderr)
finally:
ClusterShell.CLI.Clush.raw_input = raw_input
def test_000_display(self):
"""test clush (display options)"""
self._clush_t(["-w", HOSTNAME, "true"], None, "")
self._clush_t(["-w", HOSTNAME, "echo", "ok"], None,
"%s: ok\n" % HOSTNAME)
self._clush_t(["-w", HOSTNAME, "echo", "ok", "ok"], None,
"%s: ok ok\n" % HOSTNAME)
self._clush_t(["-N", "-w", HOSTNAME, "echo", "ok", "ok"], None,
"ok ok\n")
self._clush_t(["-w", "badhost,%s" % HOSTNAME, "-x", "badhost", "echo",
"ok"], None, "%s: ok\n" % HOSTNAME)
self._clush_t(["-qw", HOSTNAME, "echo", "ok"], None,
"%s: ok\n" % HOSTNAME)
self._clush_t(["-vw", HOSTNAME, "echo", "ok"], None,
"%s: ok\n" % HOSTNAME)
self._clush_t(["-qvw", HOSTNAME, "echo", "ok"], None,
"%s: ok\n" % HOSTNAME)
self._clush_t(["-Sw", HOSTNAME, "echo", "ok"], None,
"%s: ok\n" % HOSTNAME)
self._clush_t(["-Sqw", HOSTNAME, "echo", "ok"], None,
"%s: ok\n" % HOSTNAME)
self._clush_t(["-Svw", HOSTNAME, "echo", "ok"], None,
"%s: ok\n" % HOSTNAME)
self._clush_t(["--nostdin", "-w", HOSTNAME, "echo", "ok"], None,
"%s: ok\n" % HOSTNAME)
self._clush_t(["-w", HOSTNAME, "--color=always", "echo", "ok"], None,
"\x1b[34m%s: \x1b[0mok\n" % HOSTNAME)
self._clush_t(["-w", HOSTNAME, "--color=never", "echo", "ok"], None,
"%s: ok\n" % HOSTNAME)
def test_001_display_tty(self):
"""test clush (display options) [tty]"""
setattr(ClusterShell.CLI.Clush, '_f_user_interaction', True)
try:
self.test_000_display()
finally:
delattr(ClusterShell.CLI.Clush, '_f_user_interaction')
def test_002_fanout(self):
"""test clush (fanout)"""
self._clush_t(["-f", "10", "-w", HOSTNAME, "true"], None, "")
self._clush_t(["-f", "1", "-w", HOSTNAME, "true"], None, "")
self._clush_t(["-f", "1", "-w", HOSTNAME, "echo", "ok"], None, \
"%s: ok\n" % HOSTNAME)
def test_003_fanout_tty(self):
"""test clush (fanout) [tty]"""
setattr(ClusterShell.CLI.Clush, '_f_user_interaction', True)
try:
self.test_002_fanout()
finally:
delattr(ClusterShell.CLI.Clush, '_f_user_interaction')
def test_004_ssh_options(self):
"""test clush (ssh options)"""
self._clush_t(["-o", "-oStrictHostKeyChecking=no", "-w", HOSTNAME,
"echo", "ok"], None, "%s: ok\n" % HOSTNAME)
self._clush_t(["-o", "-oStrictHostKeyChecking=no -oForwardX11=no",
"-w", HOSTNAME, "echo", "ok"], None,
"%s: ok\n" % HOSTNAME)
self._clush_t(["-o", "-oStrictHostKeyChecking=no", "-o",
"-oForwardX11=no", "-w", HOSTNAME, "echo", "ok"], None,
"%s: ok\n" % HOSTNAME)
self._clush_t(["-o-oStrictHostKeyChecking=no", "-o-oForwardX11=no",
"-w", HOSTNAME, "echo", "ok"], None,
"%s: ok\n" % HOSTNAME)
self._clush_t(["-u", "30", "-w", HOSTNAME, "echo", "ok"], None,
"%s: ok\n" % HOSTNAME)
self._clush_t(["-t", "30", "-u", "30", "-w", HOSTNAME, "echo", "ok"],
None, "%s: ok\n" % HOSTNAME)
def test_005_ssh_options_tty(self):
"""test clush (ssh options) [tty]"""
setattr(ClusterShell.CLI.Clush, '_f_user_interaction', True)
try:
self.test_004_ssh_options()
finally:
delattr(ClusterShell.CLI.Clush, '_f_user_interaction')
def test_006_output_gathering(self):
"""test clush (output gathering)"""
self._clush_t(["-w", HOSTNAME, "-bL", "echo", "ok"], None, \
"%s: ok\n" % HOSTNAME)
self._clush_t(["-w", HOSTNAME, "-qbL", "echo", "ok"], None, \
"%s: ok\n" % HOSTNAME)
self._clush_t(["-w", HOSTNAME, "-BL", "echo", "ok"], None, \
"%s: ok\n" % HOSTNAME)
self._clush_t(["-w", HOSTNAME, "-qBL", "echo", "ok"], None, \
"%s: ok\n" % HOSTNAME)
self._clush_t(["-w", HOSTNAME, "-BLS", "echo", "ok"], None, \
"%s: ok\n" % HOSTNAME)
self._clush_t(["-w", HOSTNAME, "-qBLS", "echo", "ok"], None, \
"%s: ok\n" % HOSTNAME)
self._clush_t(["-w", HOSTNAME, "-vb", "echo", "ok"], None,
"%s: ok\n---------------\n%s\n---------------\nok\n"
% (HOSTNAME, HOSTNAME))
def test_007_output_gathering_tty(self):
"""test clush (output gathering) [tty]"""
setattr(ClusterShell.CLI.Clush, '_f_user_interaction', True)
try:
self.test_006_output_gathering()
finally:
delattr(ClusterShell.CLI.Clush, '_f_user_interaction')
def test_008_file_copy(self):
"""test clush (file copy)"""
content = "%f" % time.time()
f = make_temp_file(content)
self._clush_t(["-w", HOSTNAME, "-c", f.name], None, "")
f.seek(0)
self.assertEqual(f.read(), content)
# test --dest option
f2 = tempfile.NamedTemporaryFile()
self._clush_t(["-w", HOSTNAME, "-c", f.name, "--dest", f2.name], \
None, "")
f2.seek(0)
self.assertEqual(f2.read(), content)
# test --user option
f2 = tempfile.NamedTemporaryFile()
self._clush_t(["--user", pwd.getpwuid(os.getuid())[0], "-w", \
HOSTNAME, "--copy", f.name, "--dest", f2.name], None, "")
f2.seek(0)
self.assertEqual(f2.read(), content)
# test --rcopy
self._clush_t(["--user", pwd.getpwuid(os.getuid())[0], "-w", \
HOSTNAME, "--rcopy", f.name, "--dest", \
os.path.dirname(f.name)], None, "")
f2.seek(0)
self.assertEqual(open("%s.%s" % (f.name, HOSTNAME)).read(), content)
def test_009_file_copy_tty(self):
"""test clush (file copy) [tty]"""
setattr(ClusterShell.CLI.Clush, '_f_user_interaction', True)
try:
self.test_008_file_copy()
finally:
delattr(ClusterShell.CLI.Clush, '_f_user_interaction')
def test_010_diff(self):
"""test clush (diff)"""
self._clush_t(["-w", HOSTNAME, "--diff", "echo", "ok"], None, "")
self._clush_t(["-w", "%s,localhost" % HOSTNAME, "--diff", "echo",
"ok"], None, "")
def test_011_diff_tty(self):
"""test clush (diff) [tty]"""
setattr(ClusterShell.CLI.Clush, '_f_user_interaction', True)
try:
self.test_010_diff()
finally:
delattr(ClusterShell.CLI.Clush, '_f_user_interaction')
def test_012_diff_null(self):
"""test clush (diff w/o output)"""
self._clush_t(["-w", "%s,localhost" % HOSTNAME, "--diff",
'echo "${SSH_CLIENT%% *}" | egrep "^(127.0.0.1|::1)$" >/dev/null || echo ok'],
None, re.compile(r"^--- %s\n\+\+\+ localhost\n@@ -1(,1)? \+[01],0 @@\n-ok\n$" % HOSTNAME))
def test_013_stdin(self):
"""test clush (stdin)"""
self._clush_t(["-w", HOSTNAME, "sleep 1 && cat"], "ok",
"%s: ok\n" % HOSTNAME)
self._clush_t(["-w", HOSTNAME, "cat"], "ok\nok", "%s: ok\n%s: ok\n"
% (HOSTNAME, HOSTNAME))
# write binary to stdin
self._clush_t(["-w", HOSTNAME, "gzip -d"], \
"1f8b0800869a744f00034bcbcf57484a2ce2020027b4dd1308000000".decode("hex"),
"%s: foo bar\n" % HOSTNAME)
def test_015_stderr(self):
"""test clush (stderr)"""
self._clush_t(["-w", HOSTNAME, "echo err 1>&2"], None, "", 0,
"%s: err\n" % HOSTNAME)
self._clush_t(["-b", "-w", HOSTNAME, "-q", "echo err 1>&2"], None, "",
0, "%s: err\n" % HOSTNAME)
self._clush_t(["-B", "-w", HOSTNAME, "-q", "echo err 1>&2"], None,
"---------------\n%s\n---------------\nerr\n" % HOSTNAME)
def test_016_stderr_tty(self):
"""test clush (stderr) [tty]"""
setattr(ClusterShell.CLI.Clush, '_f_user_interaction', True)
try:
self.test_015_stderr()
finally:
delattr(ClusterShell.CLI.Clush, '_f_user_interaction')
def test_017_retcodes(self):
"""test clush (retcodes)"""
self._clush_t(["-w", HOSTNAME, "/bin/false"], None, "", 0,
"clush: %s: exited with exit code 1\n" % HOSTNAME)
self._clush_t(["-w", HOSTNAME, "-b", "/bin/false"], None, "", 0,
"clush: %s: exited with exit code 1\n" % HOSTNAME)
self._clush_t(["-S", "-w", HOSTNAME, "/bin/false"], None, "", 1,
"clush: %s: exited with exit code 1\n" % HOSTNAME)
for i in (1, 2, 127, 128, 255):
self._clush_t(["-S", "-w", HOSTNAME, "exit %d" % i], None, "", i, \
"clush: %s: exited with exit code %d\n" % (HOSTNAME, i))
self._clush_t(["-v", "-w", HOSTNAME, "/bin/false"], None, "", 0,
"clush: %s: exited with exit code 1\n" % HOSTNAME)
duo = str(NodeSet("%s,localhost" % HOSTNAME))
self._clush_t(["-w", duo, "-b", "/bin/false"], None, "", 0,
"clush: %s (%d): exited with exit code 1\n" % (duo, 2))
self._clush_t(["-w", duo, "-b", "-q", "/bin/false"], None, "", 0,
"clush: %s: exited with exit code 1\n" % duo)
self._clush_t(["-w", duo, "-S", "-b", "/bin/false"], None, "", 1,
"clush: %s (%d): exited with exit code 1\n" % (duo, 2))
self._clush_t(["-w", duo, "-S", "-b", "-q", "/bin/false"], None, "", 1)
def test_018_retcodes_tty(self):
"""test clush (retcodes) [tty]"""
setattr(ClusterShell.CLI.Clush, '_f_user_interaction', True)
try:
self.test_017_retcodes()
finally:
delattr(ClusterShell.CLI.Clush, '_f_user_interaction')
def test_019_timeout(self):
"""test clush (timeout)"""
self._clush_t(["-w", HOSTNAME, "-u", "1", "sleep 3"], None,
"", 0, "clush: %s: command timeout\n" % HOSTNAME)
self._clush_t(["-w", HOSTNAME, "-u", "1", "-b", "sleep 3"], None,
"", 0, "clush: %s: command timeout\n" % HOSTNAME)
def test_020_timeout_tty(self):
"""test clush (timeout) [tty]"""
setattr(ClusterShell.CLI.Clush, '_f_user_interaction', True)
try:
self.test_019_timeout()
finally:
delattr(ClusterShell.CLI.Clush, '_f_user_interaction')
def test_021_file_copy_timeout(self):
"""test clush file copy (timeout)"""
content = "%f" % time.time()
f = make_temp_file(content)
self._clush_t(["-w", HOSTNAME, "-u", "0.01", "-c", f.name], None,
"", 0, "clush: %s: command timeout\n" % HOSTNAME)
def test_022_file_copy_timeout_tty(self):
"""test clush file copy (timeout) [tty]"""
setattr(ClusterShell.CLI.Clush, '_f_user_interaction', True)
try:
self.test_021_file_copy_timeout()
finally:
delattr(ClusterShell.CLI.Clush, '_f_user_interaction')
def test_023_load_workerclass(self):
"""test _load_workerclass()"""
for name in ('rsh', 'ssh', 'pdsh'):
cls = ClusterShell.CLI.Clush._load_workerclass(name)
self.assertTrue(cls)
def test_024_load_workerclass_error(self):
"""test _load_workerclass() bad use cases"""
func = ClusterShell.CLI.Clush._load_workerclass
# Bad module
self.assertRaises(ImportError, func, 'not_a_module')
# Worker module but not supported
self.assertRaises(AttributeError, func, 'worker')
def test_025_worker(self):
"""test clush (worker)"""
self._clush_t(["-w", HOSTNAME, "--worker=ssh", "echo ok"], None,
"%s: ok\n" % HOSTNAME, 0)
self._clush_t(["-w", HOSTNAME, "-R", "ssh", "echo ok"], None,
"%s: ok\n" % HOSTNAME, 0)
# also test in debug mode...
self._clush_t(["-w", HOSTNAME, "--worker=exec", "-d", "echo ok"], None,
re.compile(r'EXECCLIENT: echo ok\n%s: ok\n%s: ok\n'
% (HOSTNAME, HOSTNAME)), 0)
self._clush_t(["-w", HOSTNAME, "-R", "exec", "-d", "echo ok"], None,
re.compile(r'EXECCLIENT: echo ok\n%s: ok\n%s: ok\n'
% (HOSTNAME, HOSTNAME)), 0)
def test_026_keyboard_interrupt(self):
"""test clush on keyboard interrupt"""
# Note: the scope of this test is still limited as we cannot force user
# interaction (as clush is launched by subprocess). For replicated
# observation, we use --nostdin and only check if Keyboard interrupt
# message is printed...
class KillerThread(threading.Thread):
def run(self):
time.sleep(1)
# replace later by process.send_signal() [py2.6+]
os.kill(self.pidkill, signal.SIGINT)
kth = KillerThread()
args = ["-w", HOSTNAME, "--worker=exec", "-q", "--nostdin", "-b",
"echo start; sleep 10"]
process = Popen(["../lib/ClusterShell/CLI/Clush.py"] + args,
stderr=PIPE, stdout=PIPE, bufsize=0)
kth.pidkill = process.pid
kth.start()
stderr = process.communicate()[1]
self.assertEqual(stderr, "Keyboard interrupt.\n")
def test_027_warn_shell_globbing_nodes(self):
"""test clush warning on shell globbing (-w)"""
tdir = make_temp_dir()
tfile = open(os.path.join(tdir, HOSTNAME), "w")
curdir = os.getcwd()
try:
os.chdir(tdir)
self._clush_t(["-w", HOSTNAME, "echo", "ok"], None,
"%s: ok\n" % HOSTNAME, 0, "Warning: using '-w %s' "
"and local path '%s' exists, was it expanded by "
"the shell?\n" % (HOSTNAME, HOSTNAME))
finally:
os.chdir(curdir)
tfile.close()
os.unlink(tfile.name)
os.rmdir(tdir)
def test_028_warn_shell_globbing_exclude(self):
"""test clush warning on shell globbing (-x)"""
tdir = make_temp_dir()
tfile = open(os.path.join(tdir, HOSTNAME), "w")
curdir = os.getcwd()
try:
os.chdir(tdir)
self._clush_t(["-S", "-w", "badhost,%s" % HOSTNAME, "-x", HOSTNAME,
"echo", "ok"], None, "", 255,
re.compile(r"^Warning: using '-x %s' and local path "
"'%s' exists, was it expanded by the "
"shell\?\n" % (HOSTNAME, HOSTNAME)))
finally:
os.chdir(curdir)
tfile.close()
os.unlink(tfile.name)
os.rmdir(tdir)
def test_029_hostfile(self):
"""test clush --hostfile"""
f = make_temp_file(HOSTNAME)
self._clush_t(["--hostfile", f.name, "echo", "ok"], None,
"%s: ok\n" % HOSTNAME)
f2 = make_temp_file(HOSTNAME)
self._clush_t(["--hostfile", f.name, "--hostfile", f2.name,
"echo", "ok"], None, "%s: ok\n" % HOSTNAME)
self.assertRaises(OSError, self._clush_t,
["--hostfile", "/I/do/NOT/exist", "echo", "ok"],
None, 1)
def test_030_config_options(self):
"""test clush -O/--option"""
self._clush_t(["--option", "color=never", "-w", HOSTNAME,
"echo", "ok"], None, "%s: ok\n" % HOSTNAME)
self._clush_t(["--option", "color=always", "-w", HOSTNAME,
"echo", "ok"], None, "\x1b[34m%s: \x1b[0mok\n" % HOSTNAME)
self._clush_t(["--option=color=never", "-w", HOSTNAME,
"echo", "ok"], None, "%s: ok\n" % HOSTNAME)
self._clush_t(["--option=color=always", "-w", HOSTNAME,
"echo", "ok"], None, "\x1b[34m%s: \x1b[0mok\n" % HOSTNAME)
self._clush_t(["-O", "fd_max=220", "--option", "color=never",
"-w", HOSTNAME, "echo", "ok"], None,
"%s: ok\n" % HOSTNAME)
self._clush_t(["-O", "fd_max=220", "--option", "color=always",
"-w", HOSTNAME, "echo", "ok"], None,
"\x1b[34m%s: \x1b[0mok\n" % HOSTNAME)
self._clush_t(["--option", "color=never", "-O", "fd_max=220",
"-w", HOSTNAME, "echo", "ok"], None,
"%s: ok\n" % HOSTNAME)
self._clush_t(["--option", "color=always", "-O", "fd_max=220",
"-w", HOSTNAME, "echo", "ok"], None,
"\x1b[34m%s: \x1b[0mok\n" % HOSTNAME)
self._clush_t(["--option", "color=never", "-O", "fd_max=220",
"-O", "color=always", "-w", HOSTNAME, "echo", "ok"],
None, "\x1b[34m%s: \x1b[0mok\n" % HOSTNAME)
self._clush_t(["--option", "color=always", "-O", "fd_max=220",
"-O", "color=never", "-w", HOSTNAME, "echo", "ok"],
None, "%s: ok\n" % HOSTNAME)
def test_031_progress(self):
"""test clush -P/--progress"""
self._clush_t(["-w", HOSTNAME, "--progress", "echo", "ok"], None,
"%s: ok\n" % HOSTNAME)
self._clush_t(["-w", HOSTNAME, "--progress", "sleep", "2"], None, '', 0,
re.compile(r'clush: 0/1\r.*'))
self._clush_t(["-w", HOSTNAME, "--progress", "sleep", "2"], 'AAAAAAAA',
'', 0, re.compile(r'clush: 0/1 write: \d B/s\r.*'))
self._clush_t(["-w", "%s,localhost" % HOSTNAME, "--progress",
"sleep", "2"], 'AAAAAAAAAAAAAA', '', 0,
re.compile(r'clush: 0/2 write: \d+ B/s\r.*'))
self._clush_t(["-w", HOSTNAME, "-b", "--progress", "sleep", "2"],
None, '', 0, re.compile(r'clush: 0/1\r.*'))
self._clush_t(["-w", HOSTNAME, "-b", "--progress", "sleep", "2"],
'AAAAAAAAAAAAAAAA', '', 0,
re.compile(r'clush: 0/1 write: \d+ B/s\r.*'))
# -q and --progress: explicit -q wins
self._clush_t(["-w", HOSTNAME, "--progress", "-q", "sleep", "2"], None,
'', 0)
self._clush_t(["-w", HOSTNAME, "-b", "--progress", "-q", "sleep", "2"],
None, '', 0, '')
self._clush_t(["-w", HOSTNAME, "-b", "--progress", "-q", "sleep", "2"],
'AAAAAAAAAAAAAAAA', '', 0, '')
# cover stderr output and --progress
self._clush_t(["-w", HOSTNAME, "--progress",
"echo foo >&2; echo bar; sleep 2"], None,
"%s: bar\n" % HOSTNAME, 0,
re.compile(r'%s: foo\nclush: 0/1\r.*'
% HOSTNAME))
def test_032_worker_pdsh(self):
"""test clush (worker pdsh)"""
# Warning: same as: echo -n | clush --worker=pdsh when launched from
# jenkins (not a tty), so we need --nostdin as pdsh worker doesn't
# support write
self._clush_t(["-w", HOSTNAME, "--worker=pdsh", "--nostdin",
"echo foo"],
None, "%s: foo\n" % HOSTNAME, 0)
# write not supported by pdsh worker
self.assertRaises(EngineClientNotSupportedError, self._clush_t,
["-w", HOSTNAME, "-R", "pdsh", "cat"], "bar", None, 1)
def test_033_worker_pdsh_tty(self):
"""test clush (worker pdsh) [tty]"""
setattr(ClusterShell.CLI.Clush, '_f_user_interaction', True)
try:
self._clush_t(["-w", HOSTNAME, "--worker=pdsh", "echo foo"],
None, "%s: foo\n" % HOSTNAME, 0)
finally:
delattr(ClusterShell.CLI.Clush, '_f_user_interaction')
def test_034_pick(self):
"""test clush --pick"""
self._clush_t(["-w", "%s,localhost" % HOSTNAME, "--pick", "1",
"echo foo"], None,
re.compile(r"^(localhost|%s): foo\n$" % HOSTNAME))
self._clush_t(["-w", "%s,localhost" % HOSTNAME, "--pick", "2",
"echo foo"], None,
re.compile(r"^((localhost|%s): foo\n){2}$" % HOSTNAME))
def test_035_sorted_line_mode(self):
"""test clush (sorted line mode -L)"""
self._clush_t(["-w", HOSTNAME, "-L", "echo", "ok"], None,
"%s: ok\n" % HOSTNAME)
# Issue #326
cmd = 's=%h; n=${s//[!0-9]/}; if [[ $(expr $n %% 2) == 0 ]]; then ' \
'echo foo; else echo bar; fi'
self._clush_t(["-w", "cs[01-03]", "--worker=exec", "-L", cmd], None,
'cs01: bar\ncs02: foo\ncs03: bar\n', 0)
class CLIClushTest_B_StdinFailure(unittest.TestCase):
"""Unit test class for testing CLI/Clush.py and stdin failure"""
def setUp(self):
class BrokenStdinMock(object):
def isatty(self):
return False
def read(self, bufsize=1024):
raise IOError(errno.EINVAL, "Invalid argument")
sys.stdin = BrokenStdinMock()
def tearDown(self):
"""cleanup all tasks"""
task_cleanup()
sys.stdin = sys.__stdin__
def _clush_t(self, args, stdin, expected_stdout, expected_rc=0,
expected_stderr=None):
CLI_main(self, main, [ 'clush' ] + args, stdin, expected_stdout,
expected_rc, expected_stderr)
def test_022_broken_stdin(self):
"""test clush with broken stdin"""
self._clush_t(["-w", HOSTNAME, "-v", "sleep 1"], None,
"stdin: [Errno 22] Invalid argument\n", 0, "")
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