How to use log_test_keyvals method in autotest

Best Python code snippet using autotest_python

base_sysinfo.py

Source:base_sysinfo.py

...268            except Exception, e:269                logging.error("error running journalctl --show-cursor: %s", e)270        # log some sysinfo data into the test keyval file in case system crash.271        test_sysinfodir = self._get_sysinfodir(test.outputdir)272        keyval = self.log_test_keyvals(test_sysinfodir)273        test.write_test_keyval(keyval)274    @log.log_and_ignore_errors("post-test sysinfo error:")275    def log_after_each_test(self, test):276        """Logging hook called after a test finishs.277        @param test: A test object.278        """279        test_sysinfodir = self._get_sysinfodir(test.outputdir)280        # create a symlink in the test sysinfo dir to the current boot281        reboot_dir = self._get_boot_subdir()282        assert os.path.exists(reboot_dir)283        symlink_dest = os.path.join(test_sysinfodir, "reboot_current")284        symlink_src = utils.get_relative_path(reboot_dir,285                                              os.path.dirname(symlink_dest))286        try:287            os.symlink(symlink_src, symlink_dest)288        except Exception, e:289            raise Exception, '%s: whilst linking %s to %s' % (e, symlink_src,290                                                              symlink_dest)291        # run all the standard logging commands292        _run_loggables_ignoring_errors(self.test_loggables, test_sysinfodir)293        # grab any new data from /var/log/messages294        self._log_messages(test_sysinfodir)295        # grab any new data from systemd journal296        self._log_journal(test_sysinfodir)297        # log some sysinfo data into the test keyval file298        keyval = self.log_test_keyvals(test_sysinfodir)299        test.write_test_keyval(keyval)300        # log any changes to installed packages301        old_packages = set(self._installed_packages)302        new_packages = set(package.list_all())303        added_path = os.path.join(test_sysinfodir, "added_packages")304        added_packages = "\n".join(new_packages - old_packages) + "\n"305        utils.open_write_close(added_path, added_packages)306        removed_path = os.path.join(test_sysinfodir, "removed_packages")307        removed_packages = "\n".join(old_packages - new_packages) + "\n"308        utils.open_write_close(removed_path, removed_packages)309    @log.log_and_ignore_errors("pre-test siteration sysinfo error:")310    def log_before_each_iteration(self, test, iteration=None):311        """Logging hook called before a test iteration.312        @param test: A test object.313        @param iteration: A test iteration.314        """315        if not iteration:316            iteration = test.iteration317        logdir = self._get_iteration_subdir(test, iteration)318        _run_loggables_ignoring_errors(self.before_iteration_loggables, logdir)319        # Start each log with the board name for orientation.320        board = utils.get_board_with_frequency_and_memory()321        logging.info('ChromeOS BOARD = %s', board)322        # Leave some autotest bread crumbs in the system logs.323        utils.system('logger "autotest starting iteration %s on %s"' % (logdir,324                                                                        board),325                     ignore_status=True)326    @log.log_and_ignore_errors("post-test siteration sysinfo error:")327    def log_after_each_iteration(self, test, iteration=None):328        """Logging hook called after a test iteration.329        @param test: A test object.330        @param iteration: A test iteration.331        """332        if not iteration:333            iteration = test.iteration334        logdir = self._get_iteration_subdir(test, iteration)335        _run_loggables_ignoring_errors(self.after_iteration_loggables, logdir)336        utils.system('logger "autotest finished iteration %s"' % logdir,337                     ignore_status=True)338    def _log_messages(self, logdir):339        """Log all of the new data in /var/log/messages."""340        try:341            # log all of the new data in /var/log/messages342            bytes_to_skip = 0343            if hasattr(self, "_messages_size"):344                current_inode = os.stat("/var/log/messages").st_ino345                if current_inode == self._messages_inode:346                    bytes_to_skip = self._messages_size347            in_messages = open("/var/log/messages")348            in_messages.seek(bytes_to_skip)349            out_messages = open(os.path.join(logdir, "messages"), "w")350            out_messages.write(in_messages.read())351            in_messages.close()352            out_messages.close()353        except Exception, e:354            logging.error("/var/log/messages collection failed with %s", e)355    def _log_journal(self, logdir):356        """Log all of the new data in systemd journal."""357        if not hasattr(self, "_journal_cursor"):358            return359        cmd = "/usr/bin/journalctl --after-cursor \"%s\"" % (360            self._journal_cursor)361        try:362            with open(os.path.join(logdir, "journal"), "w") as journal:363              journal.write(utils.system_output(cmd))364        except Exception, e:365            logging.error("journal collection failed with %s", e)366    @staticmethod367    def _read_sysinfo_keyvals(loggables, logdir):368        keyval = {}369        for log in loggables:370            if log.log_in_keyval:371                keyval["sysinfo-" + log.logf] = log.readline(logdir)372        return keyval373    def log_test_keyvals(self, test_sysinfodir):374        """Generate keyval for the sysinfo.375        Collects keyval entries to be written in the test keyval.376        @param test_sysinfodir: The test's system info directory.377        """378        keyval = {}379        # grab any loggables that should be in the keyval380        keyval.update(self._read_sysinfo_keyvals(self.test_loggables,381                                                 test_sysinfodir))382        keyval.update(self._read_sysinfo_keyvals(383            self.boot_loggables, os.path.join(test_sysinfodir,384                                              'reboot_current')))385        # remove hostname from uname info386        #   Linux lpt36 2.6.18-smp-230.1 #1 [4069269] SMP Fri Oct 24 11:30:...387        if "sysinfo-uname" in keyval:...

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