| import json |
| import os |
| |
| from autotest_lib.server.hosts import file_store |
| from autotest_lib.client.common_lib import utils |
| from autotest_lib.tko import tast |
| from autotest_lib.tko import utils as tko_utils |
| |
| |
| class HostKeyvalError(Exception): |
| """Raised when the host keyval cannot be read.""" |
| |
| |
| class job(object): |
| """Represents a job.""" |
| |
| def __init__(self, dir, user, label, machine, queued_time, started_time, |
| finished_time, machine_owner, machine_group, aborted_by, |
| aborted_on, keyval_dict): |
| self.dir = dir |
| self.tests = [] |
| self.user = user |
| self.label = label |
| self.machine = machine |
| self.queued_time = queued_time |
| self.started_time = started_time |
| self.finished_time = finished_time |
| self.machine_owner = machine_owner |
| self.machine_group = machine_group |
| self.aborted_by = aborted_by |
| self.aborted_on = aborted_on |
| self.keyval_dict = keyval_dict |
| self.afe_parent_job_id = None |
| self.build_version = None |
| self.suite = None |
| self.board = None |
| self.job_idx = None |
| # id of the corresponding tko_task_references entry. |
| # This table is used to refer to skylab task / afe job corresponding to |
| # this tko_job. |
| self.task_reference_id = None |
| |
| @staticmethod |
| def read_keyval(dir): |
| """ |
| Read job keyval files. |
| |
| @param dir: String name of directory containing job keyval files. |
| |
| @return A dictionary containing job keyvals. |
| |
| """ |
| dir = os.path.normpath(dir) |
| top_dir = tko_utils.find_toplevel_job_dir(dir) |
| if not top_dir: |
| top_dir = dir |
| assert(dir.startswith(top_dir)) |
| |
| # Pull in and merge all the keyval files, with higher-level |
| # overriding values in the lower-level ones. |
| keyval = {} |
| while True: |
| try: |
| upper_keyval = utils.read_keyval(dir) |
| # HACK: exclude hostname from the override - this is a special |
| # case where we want lower to override higher. |
| if 'hostname' in upper_keyval and 'hostname' in keyval: |
| del upper_keyval['hostname'] |
| keyval.update(upper_keyval) |
| except IOError: |
| pass # If the keyval can't be read just move on to the next. |
| if dir == top_dir: |
| break |
| else: |
| assert(dir != '/') |
| dir = os.path.dirname(dir) |
| return keyval |
| |
| |
| class kernel(object): |
| """Represents a kernel.""" |
| |
| def __init__(self, base, patches, kernel_hash): |
| self.base = base |
| self.patches = patches |
| self.kernel_hash = kernel_hash |
| |
| |
| @staticmethod |
| def compute_hash(base, hashes): |
| """Compute a hash given the base string and hashes for each patch. |
| |
| @param base: A string representing the kernel base. |
| @param hashes: A list of hashes, where each hash is associated with a |
| patch of this kernel. |
| |
| @return A string representing the computed hash. |
| |
| """ |
| key_string = ','.join([base] + hashes) |
| return utils.hash('md5', key_string).hexdigest() |
| |
| |
| class test(object): |
| """Represents a test.""" |
| |
| def __init__(self, subdir, testname, status, reason, test_kernel, |
| machine, started_time, finished_time, iterations, |
| attributes, perf_values, labels): |
| self.subdir = subdir |
| self.testname = testname |
| self.status = status |
| self.reason = reason |
| self.kernel = test_kernel |
| self.machine = machine |
| self.started_time = started_time |
| self.finished_time = finished_time |
| self.iterations = iterations |
| self.attributes = attributes |
| self.perf_values = perf_values |
| self.labels = labels |
| |
| |
| @staticmethod |
| def load_iterations(keyval_path): |
| """Abstract method to load a list of iterations from a keyval file. |
| |
| @param keyval_path: String path to a keyval file. |
| |
| @return A list of iteration objects. |
| |
| """ |
| raise NotImplementedError |
| |
| |
| @classmethod |
| def parse_test(cls, job, subdir, testname, status, reason, test_kernel, |
| started_time, finished_time, existing_instance=None): |
| """ |
| Parse test result files to construct a complete test instance. |
| |
| Given a job and the basic metadata about the test that can be |
| extracted from the status logs, parse the test result files (keyval |
| files and perf measurement files) and use them to construct a complete |
| test instance. |
| |
| @param job: A job object. |
| @param subdir: The string subdirectory name for the given test. |
| @param testname: The name of the test. |
| @param status: The status of the test. |
| @param reason: The reason string for the test. |
| @param test_kernel: The kernel of the test. |
| @param started_time: The start time of the test. |
| @param finished_time: The finish time of the test. |
| @param existing_instance: An existing test instance. |
| |
| @return A test instance that has the complete information. |
| |
| """ |
| tko_utils.dprint("parsing test %s %s" % (subdir, testname)) |
| |
| if tast.is_tast_test(testname): |
| attributes, perf_values = tast.load_tast_test_aux_results(job, |
| testname) |
| iterations = [] |
| elif subdir: |
| # Grab iterations from the results keyval. |
| iteration_keyval = os.path.join(job.dir, subdir, |
| 'results', 'keyval') |
| iterations = cls.load_iterations(iteration_keyval) |
| |
| # Grab perf values from the perf measurements file. |
| perf_values_file = os.path.join(job.dir, subdir, |
| 'results', 'results-chart.json') |
| perf_values = {} |
| if os.path.exists(perf_values_file): |
| with open(perf_values_file, 'r') as fp: |
| contents = fp.read() |
| if contents: |
| perf_values = json.loads(contents) |
| |
| # Grab test attributes from the subdir keyval. |
| test_keyval = os.path.join(job.dir, subdir, 'keyval') |
| attributes = test.load_attributes(test_keyval) |
| else: |
| iterations = [] |
| perf_values = {} |
| attributes = {} |
| |
| # Grab test+host attributes from the host keyval. |
| host_keyval = cls.parse_host_keyval(job.dir, job.machine) |
| attributes.update(dict(('host-%s' % k, v) |
| for k, v in host_keyval.iteritems())) |
| |
| if existing_instance: |
| def constructor(*args, **dargs): |
| """Initializes an existing test instance.""" |
| existing_instance.__init__(*args, **dargs) |
| return existing_instance |
| else: |
| constructor = cls |
| |
| return constructor(subdir, testname, status, reason, test_kernel, |
| job.machine, started_time, finished_time, |
| iterations, attributes, perf_values, []) |
| |
| |
| @classmethod |
| def parse_partial_test(cls, job, subdir, testname, reason, test_kernel, |
| started_time): |
| """ |
| Create a test instance representing a partial test result. |
| |
| Given a job and the basic metadata available when a test is |
| started, create a test instance representing the partial result. |
| Assume that since the test is not complete there are no results files |
| actually available for parsing. |
| |
| @param job: A job object. |
| @param subdir: The string subdirectory name for the given test. |
| @param testname: The name of the test. |
| @param reason: The reason string for the test. |
| @param test_kernel: The kernel of the test. |
| @param started_time: The start time of the test. |
| |
| @return A test instance that has partial test information. |
| |
| """ |
| tko_utils.dprint('parsing partial test %s %s' % (subdir, testname)) |
| |
| return cls(subdir, testname, 'RUNNING', reason, test_kernel, |
| job.machine, started_time, None, [], {}, [], []) |
| |
| |
| @staticmethod |
| def load_attributes(keyval_path): |
| """ |
| Load test attributes from a test keyval path. |
| |
| Load the test attributes into a dictionary from a test |
| keyval path. Does not assume that the path actually exists. |
| |
| @param keyval_path: The string path to a keyval file. |
| |
| @return A dictionary representing the test keyvals. |
| |
| """ |
| if not os.path.exists(keyval_path): |
| return {} |
| return utils.read_keyval(keyval_path) |
| |
| |
| @staticmethod |
| def _parse_keyval(job_dir, sub_keyval_path): |
| """ |
| Parse a file of keyvals. |
| |
| @param job_dir: The string directory name of the associated job. |
| @param sub_keyval_path: Path to a keyval file relative to job_dir. |
| |
| @return A dictionary representing the keyvals. |
| |
| """ |
| # The "real" job dir may be higher up in the directory tree. |
| job_dir = tko_utils.find_toplevel_job_dir(job_dir) |
| if not job_dir: |
| return {} # We can't find a top-level job dir with job keyvals. |
| |
| # The keyval is <job_dir>/`sub_keyval_path` if it exists. |
| keyval_path = os.path.join(job_dir, sub_keyval_path) |
| if os.path.isfile(keyval_path): |
| return utils.read_keyval(keyval_path) |
| else: |
| return {} |
| |
| |
| @staticmethod |
| def _is_multimachine(job_dir): |
| """ |
| Determine whether the job is a multi-machine job. |
| |
| @param job_dir: The string directory name of the associated job. |
| |
| @return True, if the job is a multi-machine job, or False if not. |
| |
| """ |
| machines_path = os.path.join(job_dir, '.machines') |
| if os.path.exists(machines_path): |
| with open(machines_path, 'r') as fp: |
| line_count = len(fp.read().splitlines()) |
| if line_count > 1: |
| return True |
| return False |
| |
| |
| @staticmethod |
| def parse_host_keyval(job_dir, hostname): |
| """ |
| Parse host keyvals. |
| |
| @param job_dir: The string directory name of the associated job. |
| @param hostname: The string hostname. |
| |
| @return A dictionary representing the host keyvals. |
| |
| @raises HostKeyvalError if the host keyval is not found. |
| |
| """ |
| keyval_path = os.path.join('host_keyvals', hostname) |
| hostinfo_path = os.path.join(job_dir, 'host_info_store', |
| hostname + '.store') |
| # Skylab uses hostinfo. If this is not present, try falling back to the |
| # host keyval file (moblab), or an empty host keyval for multi-machine |
| # tests (jetstream). |
| if os.path.exists(hostinfo_path): |
| tko_utils.dprint('Reading keyvals from hostinfo.') |
| return _parse_hostinfo_keyval(hostinfo_path) |
| elif os.path.exists(os.path.join(job_dir, keyval_path)): |
| tko_utils.dprint('Reading keyvals from %s.' % keyval_path) |
| return test._parse_keyval(job_dir, keyval_path) |
| elif test._is_multimachine(job_dir): |
| tko_utils.dprint('Multimachine job, no keyvals.') |
| return {} |
| raise HostKeyvalError('Host keyval not found') |
| |
| |
| @staticmethod |
| def parse_job_keyval(job_dir): |
| """ |
| Parse job keyvals. |
| |
| @param job_dir: The string directory name of the associated job. |
| |
| @return A dictionary representing the job keyvals. |
| |
| """ |
| # The job keyval is <job_dir>/keyval if it exists. |
| return test._parse_keyval(job_dir, 'keyval') |
| |
| |
| def _parse_hostinfo_keyval(hostinfo_path): |
| """ |
| Parse host keyvals from hostinfo. |
| |
| @param hostinfo_path: The string path to the host info store file. |
| |
| @return A dictionary representing the host keyvals. |
| |
| """ |
| store = file_store.FileStore(hostinfo_path) |
| hostinfo = store.get() |
| # TODO(ayatane): Investigate if urllib.quote is better. |
| label_string = ','.join(label.replace(':', '%3A') |
| for label in hostinfo.labels) |
| return {'labels': label_string, 'platform': hostinfo.model} |
| |
| |
| class patch(object): |
| """Represents a patch.""" |
| |
| def __init__(self, spec, reference, hash): |
| self.spec = spec |
| self.reference = reference |
| self.hash = hash |
| |
| |
| class iteration(object): |
| """Represents an iteration.""" |
| |
| def __init__(self, index, attr_keyval, perf_keyval): |
| self.index = index |
| self.attr_keyval = attr_keyval |
| self.perf_keyval = perf_keyval |
| |
| |
| @staticmethod |
| def parse_line_into_dicts(line, attr_dict, perf_dict): |
| """ |
| Abstract method to parse a keyval line and insert it into a dictionary. |
| |
| @param line: The string line to parse. |
| @param attr_dict: Dictionary of generic iteration attributes. |
| @param perf_dict: Dictionary of iteration performance results. |
| |
| """ |
| raise NotImplementedError |
| |
| |
| @classmethod |
| def load_from_keyval(cls, keyval_path): |
| """ |
| Load a list of iterations from an iteration keyval file. |
| |
| Keyval data from separate iterations is separated by blank |
| lines. Makes use of the parse_line_into_dicts method to |
| actually parse the individual lines. |
| |
| @param keyval_path: The string path to a keyval file. |
| |
| @return A list of iteration objects. |
| |
| """ |
| if not os.path.exists(keyval_path): |
| return [] |
| |
| iterations = [] |
| index = 1 |
| attr, perf = {}, {} |
| for line in file(keyval_path): |
| line = line.strip() |
| if line: |
| cls.parse_line_into_dicts(line, attr, perf) |
| else: |
| iterations.append(cls(index, attr, perf)) |
| index += 1 |
| attr, perf = {}, {} |
| if attr or perf: |
| iterations.append(cls(index, attr, perf)) |
| return iterations |
| |
| |
| class perf_value_iteration(object): |
| """Represents a perf value iteration.""" |
| |
| def __init__(self, index, perf_measurements): |
| """ |
| Initializes the perf values for a particular test iteration. |
| |
| @param index: The integer iteration number. |
| @param perf_measurements: A list of dictionaries, where each dictionary |
| contains the information for a measured perf metric from the |
| current iteration. |
| |
| """ |
| self.index = index |
| self.perf_measurements = perf_measurements |
| |
| |
| @staticmethod |
| def parse_line_into_dict(line): |
| """ |
| Abstract method to parse an individual perf measurement line. |
| |
| @param line: A string line from the perf measurement output file. |
| |
| @return A dicionary representing the information for a measured perf |
| metric from one line of the perf measurement output file, or an |
| empty dictionary if the line cannot be parsed successfully. |
| |
| """ |
| raise NotImplementedError |