How to use _check_job_dependencies method in autotest

Best Python code snippet using autotest_python

host_scheduler.py

Source:host_scheduler.py

...138    def _is_acl_accessible(self, host_id, queue_entry):139        job_acls = self._job_acls.get(queue_entry.job_id, set())140        host_acls = self._host_acls.get(host_id, set())141        return len(host_acls.intersection(job_acls)) > 0142    def _check_job_dependencies(self, job_dependencies, host_labels):143        missing = job_dependencies - host_labels144        return len(missing) == 0145    def _check_only_if_needed_labels(self, job_dependencies, host_labels,146                                     queue_entry):147        if not queue_entry.meta_host:148            # bypass only_if_needed labels when a specific host is selected149            return True150        for label_id in host_labels:151            label = self._labels[label_id]152            if not label.only_if_needed:153                # we don't care about non-only_if_needed labels154                continue155            if queue_entry.meta_host == label_id:156                # if the label was requested in a metahost it's OK157                continue158            if label_id not in job_dependencies:159                return False160        return True161    def _check_atomic_group_labels(self, host_labels, queue_entry):162        """163        Determine if the given HostQueueEntry's atomic group settings are okay164        to schedule on a host with the given labels.165        @param host_labels: A list of label ids that the host has.166        @param queue_entry: The HostQueueEntry being considered for the host.167        @returns True if atomic group settings are okay, False otherwise.168        """169        return (self._get_host_atomic_group_id(host_labels, queue_entry) ==170                queue_entry.atomic_group_id)171    def _get_host_atomic_group_id(self, host_labels, queue_entry=None):172        """173        Return the atomic group label id for a host with the given set of174        labels if any, or None otherwise.  Raises an exception if more than175        one atomic group are found in the set of labels.176        @param host_labels: A list of label ids that the host has.177        @param queue_entry: The HostQueueEntry we're testing.  Only used for178                extra info in a potential logged error message.179        @returns The id of the atomic group found on a label in host_labels180                or None if no atomic group label is found.181        """182        atomic_labels = [self._labels[label_id] for label_id in host_labels183                         if self._labels[label_id].atomic_group_id is not None]184        atomic_ids = set(label.atomic_group_id for label in atomic_labels)185        if not atomic_ids:186            return None187        if len(atomic_ids) > 1:188            logging.error('More than one Atomic Group on HQE "%s" via: %r',189                          queue_entry, atomic_labels)190        return atomic_ids.pop()191    def _get_atomic_group_labels(self, atomic_group_id):192        """193        Lookup the label ids that an atomic_group is associated with.194        @param atomic_group_id - The id of the AtomicGroup to look up.195        @returns A generator yeilding Label ids for this atomic group.196        """197        return (id for id, label in self._labels.iteritems()198                if label.atomic_group_id == atomic_group_id199                and not label.invalid)200    def _get_eligible_host_ids_in_group(self, group_hosts, queue_entry):201        """202        @param group_hosts - A sequence of Host ids to test for usability203                and eligibility against the Job associated with queue_entry.204        @param queue_entry - The HostQueueEntry that these hosts are being205                tested for eligibility against.206        @returns A subset of group_hosts Host ids that are eligible for the207                supplied queue_entry.208        """209        return set(host_id for host_id in group_hosts210                   if self.is_host_usable(host_id)211                   and self.is_host_eligible_for_job(host_id, queue_entry))212    def is_host_eligible_for_job(self, host_id, queue_entry):213        if self._is_host_invalid(host_id):214            # if an invalid host is scheduled for a job, it's a one-time host215            # and it therefore bypasses eligibility checks. note this can only216            # happen for non-metahosts, because invalid hosts have their label217            # relationships cleared.218            return True219        job_dependencies = self._job_dependencies.get(queue_entry.job_id, set())220        host_labels = self._host_labels.get(host_id, set())221        return (self._is_acl_accessible(host_id, queue_entry) and222                self._check_job_dependencies(job_dependencies, host_labels) and223                self._check_only_if_needed_labels(224                    job_dependencies, host_labels, queue_entry) and225                self._check_atomic_group_labels(host_labels, queue_entry))226    def _is_host_invalid(self, host_id):227        host_object = self._hosts_available.get(host_id, None)228        return host_object and host_object.invalid229    def _schedule_non_metahost(self, queue_entry):230        if not self.is_host_eligible_for_job(queue_entry.host_id, queue_entry):231            return None232        return self._hosts_available.pop(queue_entry.host_id, None)233    def is_host_usable(self, host_id):234        if host_id not in self._hosts_available:235            # host was already used during this scheduling cycle236            return False...

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