xref: /illumos-gate/usr/src/test/test-runner/cmd/run (revision 13b136d3061155363c62c9f6568d25b8b27da8f6)
1#!@PYTHON@
2
3#
4# This file and its contents are supplied under the terms of the
5# Common Development and Distribution License ("CDDL"), version 1.0.
6# You may only use this file in accordance with the terms of version
7# 1.0 of the CDDL.
8#
9# A full copy of the text of the CDDL should have accompanied this
10# source.  A copy of the CDDL is also available via the Internet at
11# http://www.illumos.org/license/CDDL.
12#
13
14#
15# Copyright (c) 2012, 2016 by Delphix. All rights reserved.
16# Copyright (c) 2017, Chris Fraire <cfraire@me.com>.
17# Copyright 2019 Joyent, Inc.
18#
19
20from __future__ import print_function
21import sys
22PY3 = sys.version_info[0] == 3
23
24if PY3:
25    import configparser
26else:
27    import ConfigParser as configparser
28
29import io
30import os
31import logging
32import platform
33from logging.handlers import WatchedFileHandler
34from datetime import datetime
35from optparse import OptionParser
36from pwd import getpwnam
37from pwd import getpwuid
38from select import select
39from subprocess import PIPE
40from subprocess import Popen
41from sys import argv
42from sys import exit
43from sys import maxsize
44from threading import Timer
45from time import time
46
47BASEDIR = '/var/tmp/test_results'
48KILL = '/usr/bin/kill'
49TRUE = '/usr/bin/true'
50SUDO = '/usr/bin/sudo'
51
52retcode = 0
53
54# Custom class to reopen the log file in case it is forcibly closed by a test.
55class WatchedFileHandlerClosed(WatchedFileHandler):
56    """Watch files, including closed files.
57    Similar to (and inherits from) logging.handler.WatchedFileHandler,
58    except that IOErrors are handled by reopening the stream and retrying.
59    This will be retried up to a configurable number of times before
60    giving up, default 5.
61    """
62
63    def __init__(self, filename, mode='a', encoding='utf-8', delay=0, max_tries=5):
64        self.max_tries = max_tries
65        self.tries = 0
66        WatchedFileHandler.__init__(self, filename, mode, encoding, delay)
67
68    def emit(self, record):
69        while True:
70            try:
71                WatchedFileHandler.emit(self, record)
72                self.tries = 0
73                return
74            except IOError as err:
75                if self.tries == self.max_tries:
76                    raise
77                self.stream.close()
78                self.stream = self._open()
79                self.tries += 1
80
81class Result(object):
82    total = 0
83    runresults = {'PASS': 0, 'FAIL': 0, 'SKIP': 0, 'KILLED': 0}
84
85    def __init__(self):
86        self.starttime = None
87        self.returncode = None
88        self.runtime = ''
89        self.stdout = []
90        self.stderr = []
91        self.result = ''
92
93    def done(self, proc, killed):
94        """
95        Finalize the results of this Cmd.
96	Report SKIP for return codes 3,4 (NOTINUSE, UNSUPPORTED)
97	as defined in ../stf/include/stf.shlib
98        """
99        global retcode
100
101        Result.total += 1
102        m, s = divmod(time() - self.starttime, 60)
103        self.runtime = '%02d:%02d' % (m, s)
104        self.returncode = proc.returncode
105        if killed:
106            self.result = 'KILLED'
107            Result.runresults['KILLED'] += 1
108            retcode = 2;
109        elif self.returncode is 0:
110            self.result = 'PASS'
111            Result.runresults['PASS'] += 1
112        elif self.returncode is 3 or self.returncode is 4:
113            self.result = 'SKIP'
114            Result.runresults['SKIP'] += 1
115        elif self.returncode is not 0:
116            self.result = 'FAIL'
117            Result.runresults['FAIL'] += 1
118            retcode = 1;
119
120
121class Output(object):
122    """
123    This class is a slightly modified version of the 'Stream' class found
124    here: http://goo.gl/aSGfv
125    """
126    def __init__(self, stream):
127        self.stream = stream
128        self._buf = ''
129        self.lines = []
130
131    def fileno(self):
132        return self.stream.fileno()
133
134    def read(self, drain=0):
135        """
136        Read from the file descriptor. If 'drain' set, read until EOF.
137        """
138        while self._read() is not None:
139            if not drain:
140                break
141
142    def _read(self):
143        """
144        Read up to 4k of data from this output stream. Collect the output
145        up to the last newline, and append it to any leftover data from a
146        previous call. The lines are stored as a (timestamp, data) tuple
147        for easy sorting/merging later.
148        """
149        fd = self.fileno()
150        buf = os.read(fd, 4096).decode('utf-8')
151        if not buf:
152            return None
153        if '\n' not in buf:
154            self._buf += buf
155            return []
156
157        buf = self._buf + buf
158        tmp, rest = buf.rsplit('\n', 1)
159        self._buf = rest
160        now = datetime.now()
161        rows = tmp.split('\n')
162        self.lines += [(now, r) for r in rows]
163
164
165class Cmd(object):
166    verified_users = []
167
168    def __init__(self, pathname, outputdir=None, timeout=None, user=None):
169        self.pathname = pathname
170        self.outputdir = outputdir or 'BASEDIR'
171        self.timeout = timeout
172        self.user = user or ''
173        self.killed = False
174        self.result = Result()
175
176        if self.timeout is None:
177            self.timeout = 60
178
179    def __str__(self):
180        return "Pathname: %s\nOutputdir: %s\nTimeout: %s\nUser: %s\n" % \
181            (self.pathname, self.outputdir, self.timeout, self.user)
182
183    def kill_cmd(self, proc):
184        """
185        Kill a running command due to timeout, or ^C from the keyboard. If
186        sudo is required, this user was verified previously.
187        """
188        self.killed = True
189        do_sudo = len(self.user) != 0
190        signal = '-TERM'
191
192        cmd = [SUDO, KILL, signal, str(proc.pid)]
193        if not do_sudo:
194            del cmd[0]
195
196        try:
197            kp = Popen(cmd)
198            kp.wait()
199        except:
200            pass
201
202    def update_cmd_privs(self, cmd, user):
203        """
204        If a user has been specified to run this Cmd and we're not already
205        running as that user, prepend the appropriate sudo command to run
206        as that user.
207        """
208        me = getpwuid(os.getuid())
209
210        if not user or user is me:
211            return cmd
212
213        ret = '%s -E -u %s %s' % (SUDO, user, cmd)
214        return ret.split(' ')
215
216    def collect_output(self, proc):
217        """
218        Read from stdout/stderr as data becomes available, until the
219        process is no longer running. Return the lines from the stdout and
220        stderr Output objects.
221        """
222        out = Output(proc.stdout)
223        err = Output(proc.stderr)
224        res = []
225        while proc.returncode is None:
226            proc.poll()
227            res = select([out, err], [], [], .1)
228            for fd in res[0]:
229                fd.read()
230        for fd in res[0]:
231            fd.read(drain=1)
232
233        return out.lines, err.lines
234
235    def run(self, options):
236        """
237        This is the main function that runs each individual test.
238        Determine whether or not the command requires sudo, and modify it
239        if needed. Run the command, and update the result object.
240        """
241        if options.dryrun is True:
242            print(self)
243            return
244
245        privcmd = self.update_cmd_privs(self.pathname, self.user)
246        try:
247            old = os.umask(0)
248            if not os.path.isdir(self.outputdir):
249                os.makedirs(self.outputdir, mode=0o777)
250            os.umask(old)
251        except OSError as e:
252            fail('%s' % e)
253
254        try:
255            self.result.starttime = time()
256            proc = Popen(privcmd, stdout=PIPE, stderr=PIPE, stdin=PIPE,
257                         universal_newlines=True)
258            proc.stdin.close()
259
260            # Allow a special timeout value of 0 to mean infinity
261            if int(self.timeout) == 0:
262                self.timeout = maxsize
263            t = Timer(int(self.timeout), self.kill_cmd, [proc])
264            t.start()
265            self.result.stdout, self.result.stderr = self.collect_output(proc)
266        except KeyboardInterrupt:
267            self.kill_cmd(proc)
268            fail('\nRun terminated at user request.')
269        finally:
270            t.cancel()
271
272        self.result.done(proc, self.killed)
273
274    def skip(self):
275        """
276        Initialize enough of the test result that we can log a skipped
277        command.
278        """
279        Result.total += 1
280        Result.runresults['SKIP'] += 1
281        self.result.stdout = self.result.stderr = []
282        self.result.starttime = time()
283        m, s = divmod(time() - self.result.starttime, 60)
284        self.result.runtime = '%02d:%02d' % (m, s)
285        self.result.result = 'SKIP'
286
287    def log(self, logger, options):
288        """
289        This function is responsible for writing all output. This includes
290        the console output, the logfile of all results (with timestamped
291        merged stdout and stderr), and for each test, the unmodified
292        stdout/stderr/merged in it's own file.
293        """
294        if logger is None:
295            return
296
297        logname = getpwuid(os.getuid()).pw_name
298        user = ' (run as %s)' % (self.user if len(self.user) else logname)
299        msga = 'Test: %s%s ' % (self.pathname, user)
300        msgb = '[%s] [%s]' % (self.result.runtime, self.result.result)
301        pad = ' ' * (80 - (len(msga) + len(msgb)))
302
303        # If -q is specified, only print a line for tests that didn't pass.
304        # This means passing tests need to be logged as DEBUG, or the one
305        # line summary will only be printed in the logfile for failures.
306        if not options.quiet:
307            logger.info('%s%s%s' % (msga, pad, msgb))
308        elif self.result.result is not 'PASS':
309            logger.info('%s%s%s' % (msga, pad, msgb))
310        else:
311            logger.debug('%s%s%s' % (msga, pad, msgb))
312
313        lines = sorted(self.result.stdout + self.result.stderr,
314                       key=lambda x: x[0])
315
316        for dt, line in lines:
317            logger.debug('%s %s' % (dt.strftime("%H:%M:%S.%f ")[:11], line))
318
319        if len(self.result.stdout):
320            with io.open(os.path.join(self.outputdir, 'stdout'),
321                                   encoding='utf-8',
322                                   errors='surrogateescape',
323                                   mode='w') as out:
324                for _, line in self.result.stdout:
325                    out.write('%s\n' % line)
326        if len(self.result.stderr):
327            with io.open(os.path.join(self.outputdir, 'stderr'),
328                                   encoding='utf-8',
329                                   errors='surrogateescape',
330                                   mode='w') as err:
331                for _, line in self.result.stderr:
332                    err.write('%s\n' % line)
333        if len(self.result.stdout) and len(self.result.stderr):
334            with io.open(os.path.join(self.outputdir, 'merged'),
335                                   encoding='utf-8',
336                                   errors='surrogateescape',
337                                   mode='w') as merged:
338                for _, line in lines:
339                    merged.write('%s\n' % line)
340
341
342class Test(Cmd):
343    props = ['outputdir', 'timeout', 'user', 'pre', 'pre_user', 'post',
344             'post_user']
345
346    def __init__(self, pathname, outputdir=None, timeout=None, user=None,
347                 pre=None, pre_user=None, post=None, post_user=None):
348        super(Test, self).__init__(pathname, outputdir, timeout, user)
349        self.pre = pre or ''
350        self.pre_user = pre_user or ''
351        self.post = post or ''
352        self.post_user = post_user or ''
353
354    def __str__(self):
355        post_user = pre_user = ''
356        if len(self.pre_user):
357            pre_user = ' (as %s)' % (self.pre_user)
358        if len(self.post_user):
359            post_user = ' (as %s)' % (self.post_user)
360        return "Pathname: %s\nOutputdir: %s\nTimeout: %d\nPre: %s%s\nPost: " \
361               "%s%s\nUser: %s\n" % \
362               (self.pathname, self.outputdir, self.timeout, self.pre,
363                pre_user, self.post, post_user, self.user)
364
365    def verify(self, logger):
366        """
367        Check the pre/post scripts, user and Test. Omit the Test from this
368        run if there are any problems.
369        """
370        files = [self.pre, self.pathname, self.post]
371        users = [self.pre_user, self.user, self.post_user]
372
373        for f in [f for f in files if len(f)]:
374            if not verify_file(f):
375                logger.info("Warning: Test '%s' not added to this run because"
376                            " it failed verification." % f)
377                return False
378
379        for user in [user for user in users if len(user)]:
380            if not verify_user(user, logger):
381                logger.info("Not adding Test '%s' to this run." %
382                            self.pathname)
383                return False
384
385        return True
386
387    def run(self, logger, options):
388        """
389        Create Cmd instances for the pre/post scripts. If the pre script
390        doesn't pass, skip this Test. Run the post script regardless.
391        """
392        odir = os.path.join(self.outputdir, os.path.basename(self.pre))
393        pretest = Cmd(self.pre, outputdir=odir, timeout=self.timeout,
394                      user=self.pre_user)
395        test = Cmd(self.pathname, outputdir=self.outputdir,
396                   timeout=self.timeout, user=self.user)
397        odir = os.path.join(self.outputdir, os.path.basename(self.post))
398        posttest = Cmd(self.post, outputdir=odir, timeout=self.timeout,
399                       user=self.post_user)
400
401        cont = True
402        if len(pretest.pathname):
403            pretest.run(options)
404            cont = pretest.result.result is 'PASS'
405            pretest.log(logger, options)
406
407        if cont:
408            test.run(options)
409        else:
410            test.skip()
411
412        test.log(logger, options)
413
414        if len(posttest.pathname):
415            posttest.run(options)
416            posttest.log(logger, options)
417
418
419class TestGroup(Test):
420    props = Test.props + ['tests']
421
422    def __init__(self, pathname, outputdir=None, timeout=None, user=None,
423                 pre=None, pre_user=None, post=None, post_user=None,
424                 tests=None):
425        super(TestGroup, self).__init__(pathname, outputdir, timeout, user,
426                                        pre, pre_user, post, post_user)
427        self.tests = tests or []
428
429    def __str__(self):
430        post_user = pre_user = ''
431        if len(self.pre_user):
432            pre_user = ' (as %s)' % (self.pre_user)
433        if len(self.post_user):
434            post_user = ' (as %s)' % (self.post_user)
435        return "Pathname: %s\nOutputdir: %s\nTests: %s\nTimeout: %d\n" \
436               "Pre: %s%s\nPost: %s%s\nUser: %s\n" % \
437               (self.pathname, self.outputdir, self.tests, self.timeout,
438                self.pre, pre_user, self.post, post_user, self.user)
439
440    def verify(self, logger):
441        """
442        Check the pre/post scripts, user and tests in this TestGroup. Omit
443        the TestGroup entirely, or simply delete the relevant tests in the
444        group, if that's all that's required.
445        """
446        # If the pre or post scripts are relative pathnames, convert to
447        # absolute, so they stand a chance of passing verification.
448        if len(self.pre) and not os.path.isabs(self.pre):
449            self.pre = os.path.join(self.pathname, self.pre)
450        if len(self.post) and not os.path.isabs(self.post):
451            self.post = os.path.join(self.pathname, self.post)
452
453        auxfiles = [self.pre, self.post]
454        users = [self.pre_user, self.user, self.post_user]
455
456        for f in [f for f in auxfiles if len(f)]:
457            if self.pathname != os.path.dirname(f):
458                logger.info("Warning: TestGroup '%s' not added to this run. "
459                            "Auxiliary script '%s' exists in a different "
460                            "directory." % (self.pathname, f))
461                return False
462
463            if not verify_file(f):
464                logger.info("Warning: TestGroup '%s' not added to this run. "
465                            "Auxiliary script '%s' failed verification." %
466                            (self.pathname, f))
467                return False
468
469        for user in [user for user in users if len(user)]:
470            if not verify_user(user, logger):
471                logger.info("Not adding TestGroup '%s' to this run." %
472                            self.pathname)
473                return False
474
475        # If one of the tests is invalid, delete it, log it, and drive on.
476        self.tests[:] = [f for f in self.tests if
477          verify_file(os.path.join(self.pathname, f))]
478
479        return len(self.tests) is not 0
480
481    def run(self, logger, options):
482        """
483        Create Cmd instances for the pre/post scripts. If the pre script
484        doesn't pass, skip all the tests in this TestGroup. Run the post
485        script regardless.
486        """
487        odir = os.path.join(self.outputdir, os.path.basename(self.pre))
488        pretest = Cmd(self.pre, outputdir=odir, timeout=self.timeout,
489                      user=self.pre_user)
490        odir = os.path.join(self.outputdir, os.path.basename(self.post))
491        posttest = Cmd(self.post, outputdir=odir, timeout=self.timeout,
492                       user=self.post_user)
493
494        cont = True
495        if len(pretest.pathname):
496            pretest.run(options)
497            cont = pretest.result.result is 'PASS'
498            pretest.log(logger, options)
499
500        for fname in self.tests:
501            test = Cmd(os.path.join(self.pathname, fname),
502                       outputdir=os.path.join(self.outputdir, fname),
503                       timeout=self.timeout, user=self.user)
504            if cont:
505                test.run(options)
506            else:
507                test.skip()
508
509            test.log(logger, options)
510
511        if len(posttest.pathname):
512            posttest.run(options)
513            posttest.log(logger, options)
514
515
516class TestRun(object):
517    props = ['quiet', 'outputdir']
518
519    def __init__(self, options):
520        self.tests = {}
521        self.testgroups = {}
522        self.starttime = time()
523        self.timestamp = datetime.now().strftime('%Y%m%dT%H%M%S')
524        self.outputdir = os.path.join(options.outputdir, self.timestamp)
525        self.logger = self.setup_logging(options)
526        self.defaults = [
527            ('outputdir', BASEDIR),
528            ('quiet', False),
529            ('timeout', 60),
530            ('user', ''),
531            ('pre', ''),
532            ('pre_user', ''),
533            ('post', ''),
534            ('post_user', '')
535        ]
536
537    def __str__(self):
538        s = 'TestRun:\n    outputdir: %s\n' % self.outputdir
539        s += 'TESTS:\n'
540        for key in sorted(self.tests.keys()):
541            s += '%s%s' % (self.tests[key].__str__(), '\n')
542        s += 'TESTGROUPS:\n'
543        for key in sorted(self.testgroups.keys()):
544            s += '%s%s' % (self.testgroups[key].__str__(), '\n')
545        return s
546
547    def addtest(self, pathname, options):
548        """
549        Create a new Test, and apply any properties that were passed in
550        from the command line. If it passes verification, add it to the
551        TestRun.
552        """
553        test = Test(pathname)
554        for prop in Test.props:
555            setattr(test, prop, getattr(options, prop))
556
557        if test.verify(self.logger):
558            self.tests[pathname] = test
559
560    def addtestgroup(self, dirname, filenames, options):
561        """
562        Create a new TestGroup, and apply any properties that were passed
563        in from the command line. If it passes verification, add it to the
564        TestRun.
565        """
566        if dirname not in self.testgroups:
567            testgroup = TestGroup(dirname)
568            for prop in Test.props:
569                setattr(testgroup, prop, getattr(options, prop))
570
571            # Prevent pre/post scripts from running as regular tests
572            for f in [testgroup.pre, testgroup.post]:
573                if f in filenames:
574                    del filenames[filenames.index(f)]
575
576            self.testgroups[dirname] = testgroup
577            self.testgroups[dirname].tests = sorted(filenames)
578
579            testgroup.verify(self.logger)
580
581    def read(self, logger, options):
582        """
583        Read in the specified runfile, and apply the TestRun properties
584        listed in the 'DEFAULT' section to our TestRun. Then read each
585        section, and apply the appropriate properties to the Test or
586        TestGroup. Properties from individual sections override those set
587        in the 'DEFAULT' section. If the Test or TestGroup passes
588        verification, add it to the TestRun.
589        """
590        config = configparser.RawConfigParser()
591        if not len(config.read(options.runfile)):
592            fail("Coulnd't read config file %s" % options.runfile)
593
594        for opt in TestRun.props:
595            if config.has_option('DEFAULT', opt):
596                setattr(self, opt, config.get('DEFAULT', opt))
597        self.outputdir = os.path.join(self.outputdir, self.timestamp)
598
599        for section in config.sections():
600            if ('arch' in config.options(section) and
601                platform.machine() != config.get(section, 'arch')):
602                continue
603
604            if 'tests' in config.options(section):
605                testgroup = TestGroup(section)
606                for prop in TestGroup.props:
607                    for sect in ['DEFAULT', section]:
608                        if config.has_option(sect, prop):
609                            setattr(testgroup, prop, config.get(sect, prop))
610
611                # Repopulate tests using eval to convert the string to a list
612                testgroup.tests = eval(config.get(section, 'tests'))
613
614                if testgroup.verify(logger):
615                    self.testgroups[section] = testgroup
616
617            elif 'autotests' in config.options(section):
618                testgroup = TestGroup(section)
619                for prop in TestGroup.props:
620                    for sect in ['DEFAULT', section]:
621                        if config.has_option(sect, prop):
622                            setattr(testgroup, prop, config.get(sect, prop))
623
624                filenames = os.listdir(section)
625                # only files starting with "tst." are considered tests
626                filenames = [f for f in filenames if f.startswith("tst.")]
627                testgroup.tests = sorted(filenames)
628
629                if testgroup.verify(logger):
630                    self.testgroups[section] = testgroup
631
632            else:
633                test = Test(section)
634                for prop in Test.props:
635                    for sect in ['DEFAULT', section]:
636                        if config.has_option(sect, prop):
637                            setattr(test, prop, config.get(sect, prop))
638
639                if test.verify(logger):
640                    self.tests[section] = test
641
642    def write(self, options):
643        """
644        Create a configuration file for editing and later use. The
645        'DEFAULT' section of the config file is created from the
646        properties that were specified on the command line. Tests are
647        simply added as sections that inherit everything from the
648        'DEFAULT' section. TestGroups are the same, except they get an
649        option including all the tests to run in that directory.
650        """
651
652        defaults = dict([(prop, getattr(options, prop)) for prop, _ in
653                         self.defaults])
654        config = configparser.RawConfigParser(defaults)
655
656        for test in sorted(self.tests.keys()):
657            config.add_section(test)
658
659        for testgroup in sorted(self.testgroups.keys()):
660            config.add_section(testgroup)
661            config.set(testgroup, 'tests', self.testgroups[testgroup].tests)
662
663        try:
664            with open(options.template, 'w') as f:
665                return config.write(f)
666        except IOError:
667            fail('Could not open \'%s\' for writing.' % options.template)
668
669    def complete_outputdirs(self):
670        """
671        Collect all the pathnames for Tests, and TestGroups. Work
672        backwards one pathname component at a time, to create a unique
673        directory name in which to deposit test output. Tests will be able
674        to write output files directly in the newly modified outputdir.
675        TestGroups will be able to create one subdirectory per test in the
676        outputdir, and are guaranteed uniqueness because a group can only
677        contain files in one directory. Pre and post tests will create a
678        directory rooted at the outputdir of the Test or TestGroup in
679        question for their output.
680        """
681        done = False
682        components = 0
683        tmp_dict = dict(list(self.tests.items()) + list(self.testgroups.items()))
684        total = len(tmp_dict)
685        base = self.outputdir
686
687        while not done:
688            l = []
689            components -= 1
690            for testfile in list(tmp_dict.keys()):
691                uniq = '/'.join(testfile.split('/')[components:]).lstrip('/')
692                if uniq not in l:
693                    l.append(uniq)
694                    tmp_dict[testfile].outputdir = os.path.join(base, uniq)
695                else:
696                    break
697            done = total == len(l)
698
699    def setup_logging(self, options):
700        """
701        Two loggers are set up here. The first is for the logfile which
702        will contain one line summarizing the test, including the test
703        name, result, and running time. This logger will also capture the
704        timestamped combined stdout and stderr of each run. The second
705        logger is optional console output, which will contain only the one
706        line summary. The loggers are initialized at two different levels
707        to facilitate segregating the output.
708        """
709        if options.dryrun is True:
710            return
711
712        testlogger = logging.getLogger(__name__)
713        testlogger.setLevel(logging.DEBUG)
714
715        if options.cmd is not 'wrconfig':
716            try:
717                old = os.umask(0)
718                os.makedirs(self.outputdir, mode=0o777)
719                os.umask(old)
720            except OSError as e:
721                fail('%s' % e)
722            filename = os.path.join(self.outputdir, 'log')
723
724            logfile = WatchedFileHandlerClosed(filename)
725            logfile.setLevel(logging.DEBUG)
726            logfilefmt = logging.Formatter('%(message)s')
727            logfile.setFormatter(logfilefmt)
728            testlogger.addHandler(logfile)
729
730        cons = logging.StreamHandler()
731        cons.setLevel(logging.INFO)
732        consfmt = logging.Formatter('%(message)s')
733        cons.setFormatter(consfmt)
734        testlogger.addHandler(cons)
735
736        return testlogger
737
738    def run(self, options):
739        """
740        Walk through all the Tests and TestGroups, calling run().
741        """
742        if not options.dryrun:
743            try:
744                os.chdir(self.outputdir)
745            except OSError:
746                fail('Could not change to directory %s' % self.outputdir)
747        for test in sorted(self.tests.keys()):
748            self.tests[test].run(self.logger, options)
749        for testgroup in sorted(self.testgroups.keys()):
750            self.testgroups[testgroup].run(self.logger, options)
751
752    def summary(self):
753        if Result.total is 0:
754            return
755
756        print('\nResults Summary')
757        for key in list(Result.runresults.keys()):
758            if Result.runresults[key] is not 0:
759                print('%s\t% 4d' % (key, Result.runresults[key]))
760
761        m, s = divmod(time() - self.starttime, 60)
762        h, m = divmod(m, 60)
763        print('\nRunning Time:\t%02d:%02d:%02d' % (h, m, s))
764        print('Percent passed:\t%.1f%%' % ((float(Result.runresults['PASS']) /
765                                            float(Result.total)) * 100))
766        print('Log directory:\t%s' % self.outputdir)
767
768
769def verify_file(pathname):
770    """
771    Verify that the supplied pathname is an executable regular file.
772    """
773    if os.path.isdir(pathname) or os.path.islink(pathname):
774        return False
775
776    if os.path.isfile(pathname) and os.access(pathname, os.X_OK):
777        return True
778
779    return False
780
781
782def verify_user(user, logger):
783    """
784    Verify that the specified user exists on this system, and can execute
785    sudo without being prompted for a password.
786    """
787    testcmd = [SUDO, '-n', '-u', user, TRUE]
788
789    if user in Cmd.verified_users:
790        return True
791
792    try:
793        _ = getpwnam(user)
794    except KeyError:
795        logger.info("Warning: user '%s' does not exist.", user)
796        return False
797
798    p = Popen(testcmd)
799    p.wait()
800    if p.returncode is not 0:
801        logger.info("Warning: user '%s' cannot use passwordless sudo.", user)
802        return False
803    else:
804        Cmd.verified_users.append(user)
805
806    return True
807
808
809def find_tests(testrun, options):
810    """
811    For the given list of pathnames, add files as Tests. For directories,
812    if do_groups is True, add the directory as a TestGroup. If False,
813    recursively search for executable files.
814    """
815
816    for p in sorted(options.pathnames):
817        if os.path.isdir(p):
818            for dirname, _, filenames in os.walk(p):
819                if options.do_groups:
820                    testrun.addtestgroup(dirname, filenames, options)
821                else:
822                    for f in sorted(filenames):
823                        testrun.addtest(os.path.join(dirname, f), options)
824        else:
825            testrun.addtest(p, options)
826
827
828def fail(retstr, ret=1):
829    print('%s: %s' % (argv[0], retstr))
830    exit(ret)
831
832
833def options_cb(option, opt_str, value, parser):
834    path_options = ['runfile', 'outputdir', 'template']
835
836    if option.dest is 'runfile' and '-w' in parser.rargs or \
837            option.dest is 'template' and '-c' in parser.rargs:
838        fail('-c and -w are mutually exclusive.')
839
840    if opt_str in parser.rargs:
841        fail('%s may only be specified once.' % opt_str)
842
843    if option.dest is 'runfile':
844        parser.values.cmd = 'rdconfig'
845    if option.dest is 'template':
846        parser.values.cmd = 'wrconfig'
847
848    setattr(parser.values, option.dest, value)
849    if option.dest in path_options:
850        setattr(parser.values, option.dest, os.path.abspath(value))
851
852
853def parse_args():
854    parser = OptionParser()
855    parser.add_option('-c', action='callback', callback=options_cb,
856                      type='string', dest='runfile', metavar='runfile',
857                      help='Specify tests to run via config file.')
858    parser.add_option('-d', action='store_true', default=False, dest='dryrun',
859                      help='Dry run. Print tests, but take no other action.')
860    parser.add_option('-g', action='store_true', default=False,
861                      dest='do_groups', help='Make directories TestGroups.')
862    parser.add_option('-o', action='callback', callback=options_cb,
863                      default=BASEDIR, dest='outputdir', type='string',
864                      metavar='outputdir', help='Specify an output directory.')
865    parser.add_option('-p', action='callback', callback=options_cb,
866                      default='', dest='pre', metavar='script',
867                      type='string', help='Specify a pre script.')
868    parser.add_option('-P', action='callback', callback=options_cb,
869                      default='', dest='post', metavar='script',
870                      type='string', help='Specify a post script.')
871    parser.add_option('-q', action='store_true', default=False, dest='quiet',
872                      help='Silence on the console during a test run.')
873    parser.add_option('-t', action='callback', callback=options_cb, default=60,
874                      dest='timeout', metavar='seconds', type='int',
875                      help='Timeout (in seconds) for an individual test.')
876    parser.add_option('-u', action='callback', callback=options_cb,
877                      default='', dest='user', metavar='user', type='string',
878                      help='Specify a different user name to run as.')
879    parser.add_option('-w', action='callback', callback=options_cb,
880                      default=None, dest='template', metavar='template',
881                      type='string', help='Create a new config file.')
882    parser.add_option('-x', action='callback', callback=options_cb, default='',
883                      dest='pre_user', metavar='pre_user', type='string',
884                      help='Specify a user to execute the pre script.')
885    parser.add_option('-X', action='callback', callback=options_cb, default='',
886                      dest='post_user', metavar='post_user', type='string',
887                      help='Specify a user to execute the post script.')
888    (options, pathnames) = parser.parse_args()
889
890    if not options.runfile and not options.template:
891        options.cmd = 'runtests'
892
893    if options.runfile and len(pathnames):
894        fail('Extraneous arguments.')
895
896    options.pathnames = [os.path.abspath(path) for path in pathnames]
897
898    return options
899
900
901def main():
902    options = parse_args()
903    testrun = TestRun(options)
904
905    if options.cmd is 'runtests':
906        find_tests(testrun, options)
907    elif options.cmd is 'rdconfig':
908        testrun.read(testrun.logger, options)
909    elif options.cmd is 'wrconfig':
910        find_tests(testrun, options)
911        testrun.write(options)
912        exit(0)
913    else:
914        fail('Unknown command specified')
915
916    testrun.complete_outputdirs()
917    testrun.run(options)
918    testrun.summary()
919    exit(retcode)
920
921
922if __name__ == '__main__':
923    main()
924