示例#1
0
 def resumeBuild(self, build):
     if not build.__gearman_worker:
         self.log.error("Build %s has no manager while resuming" %
                        (build,))
     resume_uuid = str(uuid4().hex)
     data = dict(uuid=build.__gearman_job.unique)
     stop_job = gear.TextJob("executor:resume:%s" % build.__gearman_worker,
                             json_dumps(data), unique=resume_uuid)
     self.meta_jobs[resume_uuid] = stop_job
     self.log.debug("Submitting resume job: %s", stop_job)
     self.gearman.submitJob(stop_job, precedence=gear.PRECEDENCE_HIGH,
                            timeout=300)
示例#2
0
文件: client.py 项目: max11max/zuul
 def cancelRunningBuild(self, build):
     if not build.__gearman_worker:
         self.log.error("Build %s has no manager while canceling" %
                        (build, ))
     stop_uuid = str(uuid4().hex)
     data = dict(uuid=build.__gearman_job.unique)
     stop_job = gear.TextJob("executor:stop:%s" % build.__gearman_worker,
                             json_dumps(data),
                             unique=stop_uuid)
     self.meta_jobs[stop_uuid] = stop_job
     self.log.debug("Submitting stop job: %s", stop_job)
     self.gearman.submitJob(stop_job,
                            precedence=gear.PRECEDENCE_HIGH,
                            timeout=300)
     return True
示例#3
0
 def resumeBuild(self, build):
     log = get_annotated_logger(self.log, build.zuul_event_id)
     if not build.__gearman_worker:
         log.error("Build %s has no manager while resuming", build)
     resume_uuid = str(uuid4().hex)
     data = dict(uuid=build.__gearman_job.unique,
                 zuul_event_id=build.zuul_event_id)
     stop_job = gear.TextJob("executor:resume:%s" % build.__gearman_worker,
                             json_dumps(data),
                             unique=resume_uuid)
     self.meta_jobs[resume_uuid] = stop_job
     log.debug("Submitting resume job: %s", stop_job)
     self.gearman.submitJob(stop_job,
                            precedence=gear.PRECEDENCE_HIGH,
                            timeout=300)
示例#4
0
    def execute(self, job, item, pipeline, dependent_changes=[],
                merger_items=[]):
        tenant = pipeline.tenant
        uuid = str(uuid4().hex)
        nodeset = item.current_build_set.getJobNodeSet(job.name)
        self.log.info(
            "Execute job %s (uuid: %s) on nodes %s for change %s "
            "with dependent changes %s" % (
                job, uuid, nodeset, item.change, dependent_changes))

        project = dict(
            name=item.change.project.name,
            short_name=item.change.project.name.split('/')[-1],
            canonical_hostname=item.change.project.canonical_hostname,
            canonical_name=item.change.project.canonical_name,
            src_dir=os.path.join('src', item.change.project.canonical_name),
        )

        zuul_params = dict(build=uuid,
                           buildset=item.current_build_set.uuid,
                           ref=item.change.ref,
                           pipeline=pipeline.name,
                           job=job.name,
                           voting=job.voting,
                           project=project,
                           tenant=tenant.name,
                           timeout=job.timeout,
                           jobtags=sorted(job.tags),
                           _inheritance_path=list(job.inheritance_path))
        if job.override_checkout:
            zuul_params['override_checkout'] = job.override_checkout
        if hasattr(item.change, 'branch'):
            zuul_params['branch'] = item.change.branch
        if hasattr(item.change, 'tag'):
            zuul_params['tag'] = item.change.tag
        if hasattr(item.change, 'number'):
            zuul_params['change'] = str(item.change.number)
        if hasattr(item.change, 'url'):
            zuul_params['change_url'] = item.change.url
        if hasattr(item.change, 'patchset'):
            zuul_params['patchset'] = str(item.change.patchset)
        if (hasattr(item.change, 'oldrev') and item.change.oldrev
            and item.change.oldrev != '0' * 40):
            zuul_params['oldrev'] = item.change.oldrev
        if (hasattr(item.change, 'newrev') and item.change.newrev
            and item.change.newrev != '0' * 40):
            zuul_params['newrev'] = item.change.newrev
        zuul_params['projects'] = {}  # Set below
        zuul_params['items'] = dependent_changes

        params = dict()
        params['job'] = job.name
        params['timeout'] = job.timeout
        params['post_timeout'] = job.post_timeout
        params['items'] = merger_items
        params['projects'] = []
        if hasattr(item.change, 'branch'):
            params['branch'] = item.change.branch
        else:
            params['branch'] = None
        params['override_branch'] = job.override_branch
        params['override_checkout'] = job.override_checkout
        params['repo_state'] = item.current_build_set.repo_state

        def make_playbook(playbook):
            d = playbook.toDict()
            for role in d['roles']:
                if role['type'] != 'zuul':
                    continue
                project_metadata = item.layout.getProjectMetadata(
                    role['project_canonical_name'])
                if project_metadata:
                    role['project_default_branch'] = \
                        project_metadata.default_branch
                else:
                    role['project_default_branch'] = 'master'
                role_trusted, role_project = item.layout.tenant.getProject(
                    role['project_canonical_name'])
                role_connection = role_project.source.connection
                role['connection'] = role_connection.connection_name
                role['project'] = role_project.name
            return d

        if job.name != 'noop':
            params['playbooks'] = [make_playbook(x) for x in job.run]
            params['pre_playbooks'] = [make_playbook(x) for x in job.pre_run]
            params['post_playbooks'] = [make_playbook(x) for x in job.post_run]

        nodes = []
        for node in nodeset.getNodes():
            n = node.toDict()
            n.update(dict(name=node.name, label=node.label))
            nodes.append(n)
        params['nodes'] = nodes
        params['groups'] = [group.toDict() for group in nodeset.getGroups()]
        params['vars'] = job.variables
        params['host_vars'] = job.host_variables
        params['group_vars'] = job.group_variables
        params['zuul'] = zuul_params
        projects = set()
        required_projects = set()

        def make_project_dict(project, override_branch=None,
                              override_checkout=None):
            project_metadata = item.layout.getProjectMetadata(
                project.canonical_name)
            if project_metadata:
                project_default_branch = project_metadata.default_branch
            else:
                project_default_branch = 'master'
            connection = project.source.connection
            return dict(connection=connection.connection_name,
                        name=project.name,
                        canonical_name=project.canonical_name,
                        override_branch=override_branch,
                        override_checkout=override_checkout,
                        default_branch=project_default_branch)

        if job.required_projects:
            for job_project in job.required_projects.values():
                (trusted, project) = tenant.getProject(
                    job_project.project_name)
                if project is None:
                    raise Exception("Unknown project %s" %
                                    (job_project.project_name,))
                params['projects'].append(
                    make_project_dict(project,
                                      job_project.override_branch,
                                      job_project.override_checkout))
                projects.add(project)
                required_projects.add(project)
        for change in dependent_changes:
            # We have to find the project this way because it may not
            # be registered in the tenant (ie, a foreign project).
            source = self.sched.connections.getSourceByCanonicalHostname(
                change['project']['canonical_hostname'])
            project = source.getProject(change['project']['name'])
            if project not in projects:
                params['projects'].append(make_project_dict(project))
                projects.add(project)
        for p in projects:
            zuul_params['projects'][p.canonical_name] = (dict(
                name=p.name,
                short_name=p.name.split('/')[-1],
                # Duplicate this into the dict too, so that iterating
                # project.values() is easier for callers
                canonical_name=p.canonical_name,
                canonical_hostname=p.canonical_hostname,
                src_dir=os.path.join('src', p.canonical_name),
                required=(p in required_projects),
            ))

        build = Build(job, uuid)
        build.parameters = params
        build.nodeset = nodeset

        self.log.debug("Adding build %s of job %s to item %s" %
                       (build, job, item))
        item.addBuild(build)

        if job.name == 'noop':
            self.sched.onBuildStarted(build)
            self.sched.onBuildCompleted(build, 'SUCCESS', {})
            return build

        gearman_job = gear.TextJob('executor:execute', json_dumps(params),
                                   unique=uuid)
        build.__gearman_job = gearman_job
        build.__gearman_worker = None
        self.builds[uuid] = build

        if pipeline.precedence == zuul.model.PRECEDENCE_NORMAL:
            precedence = gear.PRECEDENCE_NORMAL
        elif pipeline.precedence == zuul.model.PRECEDENCE_HIGH:
            precedence = gear.PRECEDENCE_HIGH
        elif pipeline.precedence == zuul.model.PRECEDENCE_LOW:
            precedence = gear.PRECEDENCE_LOW

        try:
            self.gearman.submitJob(gearman_job, precedence=precedence,
                                   timeout=300)
        except Exception:
            self.log.exception("Unable to submit job to Gearman")
            self.onBuildCompleted(gearman_job, 'EXCEPTION')
            return build

        if not gearman_job.handle:
            self.log.error("No job handle was received for %s after"
                           " 300 seconds; marking as lost." %
                           gearman_job)
            self.onBuildCompleted(gearman_job, 'NO_HANDLE')

        self.log.debug("Received handle %s for %s" % (gearman_job.handle,
                                                      build))

        return build
示例#5
0
    def execute(self, job, item, pipeline, dependent_changes=[],
                merger_items=[]):
        log = get_annotated_logger(self.log, item.event)
        tenant = pipeline.tenant
        uuid = str(uuid4().hex)
        nodeset = item.current_build_set.getJobNodeSet(job.name)
        log.info(
            "Execute job %s (uuid: %s) on nodes %s for change %s "
            "with dependent changes %s",
            job, uuid, nodeset, item.change, dependent_changes)

        project = dict(
            name=item.change.project.name,
            short_name=item.change.project.name.split('/')[-1],
            canonical_hostname=item.change.project.canonical_hostname,
            canonical_name=item.change.project.canonical_name,
            src_dir=os.path.join('src', item.change.project.canonical_name),
        )

        zuul_params = dict(build=uuid,
                           buildset=item.current_build_set.uuid,
                           ref=item.change.ref,
                           pipeline=pipeline.name,
                           job=job.name,
                           voting=job.voting,
                           project=project,
                           tenant=tenant.name,
                           timeout=job.timeout,
                           event_id=item.event.zuul_event_id,
                           jobtags=sorted(job.tags),
                           _inheritance_path=list(job.inheritance_path))
        if job.artifact_data:
            zuul_params['artifacts'] = job.artifact_data
        if job.override_checkout:
            zuul_params['override_checkout'] = job.override_checkout
        if hasattr(item.change, 'branch'):
            zuul_params['branch'] = item.change.branch
        if hasattr(item.change, 'tag'):
            zuul_params['tag'] = item.change.tag
        if hasattr(item.change, 'number'):
            zuul_params['change'] = str(item.change.number)
        if hasattr(item.change, 'url'):
            zuul_params['change_url'] = item.change.url
        if hasattr(item.change, 'patchset'):
            zuul_params['patchset'] = str(item.change.patchset)
        if hasattr(item.change, 'message'):
            zuul_params['message'] = item.change.message
        if (hasattr(item.change, 'oldrev') and item.change.oldrev
            and item.change.oldrev != '0' * 40):
            zuul_params['oldrev'] = item.change.oldrev
        if (hasattr(item.change, 'newrev') and item.change.newrev
            and item.change.newrev != '0' * 40):
            zuul_params['newrev'] = item.change.newrev
        zuul_params['projects'] = {}  # Set below
        zuul_params['items'] = dependent_changes
        zuul_params['child_jobs'] = list(item.job_graph.getDirectDependentJobs(
            job.name))

        params = dict()
        params['job'] = job.name
        params['timeout'] = job.timeout
        params['post_timeout'] = job.post_timeout
        params['items'] = merger_items
        params['projects'] = []
        if hasattr(item.change, 'branch'):
            params['branch'] = item.change.branch
        else:
            params['branch'] = None
        params['override_branch'] = job.override_branch
        params['override_checkout'] = job.override_checkout
        params['repo_state'] = item.current_build_set.repo_state
        params['ansible_version'] = job.ansible_version

        def make_playbook(playbook):
            d = playbook.toDict()
            for role in d['roles']:
                if role['type'] != 'zuul':
                    continue
                project_metadata = item.layout.getProjectMetadata(
                    role['project_canonical_name'])
                if project_metadata:
                    role['project_default_branch'] = \
                        project_metadata.default_branch
                else:
                    role['project_default_branch'] = 'master'
                role_trusted, role_project = item.layout.tenant.getProject(
                    role['project_canonical_name'])
                role_connection = role_project.source.connection
                role['connection'] = role_connection.connection_name
                role['project'] = role_project.name
            return d

        if job.name != 'noop':
            params['playbooks'] = [make_playbook(x) for x in job.run]
            params['pre_playbooks'] = [make_playbook(x) for x in job.pre_run]
            params['post_playbooks'] = [make_playbook(x) for x in job.post_run]
            params['cleanup_playbooks'] = [make_playbook(x)
                                           for x in job.cleanup_run]

        nodes = []
        for node in nodeset.getNodes():
            n = node.toDict()
            n.update(dict(name=node.name, label=node.label))
            nodes.append(n)
        params['nodes'] = nodes
        params['groups'] = [group.toDict() for group in nodeset.getGroups()]
        params['ssh_keys'] = []
        if pipeline.post_review:
            params['ssh_keys'].append(dict(
                name='%s project key' % item.change.project.canonical_name,
                key=item.change.project.private_ssh_key))
        params['vars'] = job.variables
        params['extra_vars'] = job.extra_variables
        params['host_vars'] = job.host_variables
        params['group_vars'] = job.group_variables
        params['zuul'] = zuul_params
        projects = set()
        required_projects = set()

        def make_project_dict(project, override_branch=None,
                              override_checkout=None):
            project_metadata = item.layout.getProjectMetadata(
                project.canonical_name)
            if project_metadata:
                project_default_branch = project_metadata.default_branch
            else:
                project_default_branch = 'master'
            connection = project.source.connection
            return dict(connection=connection.connection_name,
                        name=project.name,
                        canonical_name=project.canonical_name,
                        override_branch=override_branch,
                        override_checkout=override_checkout,
                        default_branch=project_default_branch)

        if job.required_projects:
            for job_project in job.required_projects.values():
                (trusted, project) = tenant.getProject(
                    job_project.project_name)
                if project is None:
                    raise Exception("Unknown project %s" %
                                    (job_project.project_name,))
                params['projects'].append(
                    make_project_dict(project,
                                      job_project.override_branch,
                                      job_project.override_checkout))
                projects.add(project)
                required_projects.add(project)
        for change in dependent_changes:
            # We have to find the project this way because it may not
            # be registered in the tenant (ie, a foreign project).
            source = self.sched.connections.getSourceByCanonicalHostname(
                change['project']['canonical_hostname'])
            project = source.getProject(change['project']['name'])
            if project not in projects:
                params['projects'].append(make_project_dict(project))
                projects.add(project)
        for p in projects:
            zuul_params['projects'][p.canonical_name] = (dict(
                name=p.name,
                short_name=p.name.split('/')[-1],
                # Duplicate this into the dict too, so that iterating
                # project.values() is easier for callers
                canonical_name=p.canonical_name,
                canonical_hostname=p.canonical_hostname,
                src_dir=os.path.join('src', p.canonical_name),
                required=(p in required_projects),
            ))
        params['zuul_event_id'] = item.event.zuul_event_id
        build = Build(job, uuid, zuul_event_id=item.event.zuul_event_id)
        build.parameters = params
        build.nodeset = nodeset

        log.debug("Adding build %s of job %s to item %s",
                  build, job, item)
        item.addBuild(build)

        if job.name == 'noop':
            self.sched.onBuildStarted(build)
            self.sched.onBuildCompleted(build, 'SUCCESS', {}, [])
            return build

        # Update zuul attempts after addBuild above to ensure build_set
        # is up to date.
        attempts = build.build_set.getTries(job.name)
        zuul_params['attempts'] = attempts

        functions = getGearmanFunctions(self.gearman)
        function_name = 'executor:execute'
        # Because all nodes belong to the same provider, region and
        # availability zone we can get executor_zone from only the first
        # node.
        executor_zone = None
        if nodes and nodes[0].get('attributes'):
            executor_zone = nodes[0]['attributes'].get('executor-zone')

        if executor_zone:
            _fname = '%s:%s' % (
                function_name,
                executor_zone)
            if _fname in functions:
                function_name = _fname
            else:
                self.log.warning(
                    "Job requested '%s' zuul-executor zone, but no "
                    "zuul-executors found for this zone; ignoring zone "
                    "request" % executor_zone)

        gearman_job = gear.TextJob(
            function_name, json_dumps(params), unique=uuid)

        build.__gearman_job = gearman_job
        build.__gearman_worker = None
        self.builds[uuid] = build

        if pipeline.precedence == zuul.model.PRECEDENCE_NORMAL:
            precedence = gear.PRECEDENCE_NORMAL
        elif pipeline.precedence == zuul.model.PRECEDENCE_HIGH:
            precedence = gear.PRECEDENCE_HIGH
        elif pipeline.precedence == zuul.model.PRECEDENCE_LOW:
            precedence = gear.PRECEDENCE_LOW

        try:
            self.gearman.submitJob(gearman_job, precedence=precedence,
                                   timeout=300)
        except Exception:
            log.exception("Unable to submit job to Gearman")
            self.onBuildCompleted(gearman_job, 'EXCEPTION')
            return build

        if not gearman_job.handle:
            log.error("No job handle was received for %s after"
                      " 300 seconds; marking as lost.",
                      gearman_job)
            self.onBuildCompleted(gearman_job, 'NO_HANDLE')

        log.debug("Received handle %s for %s", gearman_job.handle, build)

        return build
示例#6
0
    def execute(self, job, item, pipeline, dependent_changes=[],
                merger_items=[]):
        tenant = pipeline.tenant
        uuid = str(uuid4().hex)
        nodeset = item.current_build_set.getJobNodeSet(job.name)
        self.log.info(
            "Execute job %s (uuid: %s) on nodes %s for change %s "
            "with dependent changes %s" % (
                job, uuid, nodeset, item.change, dependent_changes))

        project = dict(
            name=item.change.project.name,
            short_name=item.change.project.name.split('/')[-1],
            canonical_hostname=item.change.project.canonical_hostname,
            canonical_name=item.change.project.canonical_name,
            src_dir=os.path.join('src', item.change.project.canonical_name),
        )

        zuul_params = dict(build=uuid,
                           buildset=item.current_build_set.uuid,
                           ref=item.change.ref,
                           pipeline=pipeline.name,
                           job=job.name,
                           voting=job.voting,
                           project=project,
                           tenant=tenant.name,
                           timeout=job.timeout,
                           jobtags=sorted(job.tags),
                           _inheritance_path=list(job.inheritance_path))
        if job.artifact_data:
            zuul_params['artifacts'] = job.artifact_data
        if job.override_checkout:
            zuul_params['override_checkout'] = job.override_checkout
        if hasattr(item.change, 'branch'):
            zuul_params['branch'] = item.change.branch
        if hasattr(item.change, 'tag'):
            zuul_params['tag'] = item.change.tag
        if hasattr(item.change, 'number'):
            zuul_params['change'] = str(item.change.number)
        if hasattr(item.change, 'url'):
            zuul_params['change_url'] = item.change.url
        if hasattr(item.change, 'patchset'):
            zuul_params['patchset'] = str(item.change.patchset)
        if hasattr(item.change, 'message'):
            zuul_params['message'] = item.change.message
        if (hasattr(item.change, 'oldrev') and item.change.oldrev
            and item.change.oldrev != '0' * 40):
            zuul_params['oldrev'] = item.change.oldrev
        if (hasattr(item.change, 'newrev') and item.change.newrev
            and item.change.newrev != '0' * 40):
            zuul_params['newrev'] = item.change.newrev
        zuul_params['projects'] = {}  # Set below
        zuul_params['items'] = dependent_changes
        zuul_params['child_jobs'] = list(item.job_graph.getDirectDependentJobs(
            job.name))

        params = dict()
        params['job'] = job.name
        params['timeout'] = job.timeout
        params['post_timeout'] = job.post_timeout
        params['items'] = merger_items
        params['projects'] = []
        if hasattr(item.change, 'branch'):
            params['branch'] = item.change.branch
        else:
            params['branch'] = None
        params['override_branch'] = job.override_branch
        params['override_checkout'] = job.override_checkout
        params['repo_state'] = item.current_build_set.repo_state
        params['ansible_version'] = job.ansible_version

        def make_playbook(playbook):
            d = playbook.toDict()
            for role in d['roles']:
                if role['type'] != 'zuul':
                    continue
                project_metadata = item.layout.getProjectMetadata(
                    role['project_canonical_name'])
                if project_metadata:
                    role['project_default_branch'] = \
                        project_metadata.default_branch
                else:
                    role['project_default_branch'] = 'master'
                role_trusted, role_project = item.layout.tenant.getProject(
                    role['project_canonical_name'])
                role_connection = role_project.source.connection
                role['connection'] = role_connection.connection_name
                role['project'] = role_project.name
            return d

        if job.name != 'noop':
            params['playbooks'] = [make_playbook(x) for x in job.run]
            params['pre_playbooks'] = [make_playbook(x) for x in job.pre_run]
            params['post_playbooks'] = [make_playbook(x) for x in job.post_run]

        nodes = []
        for node in nodeset.getNodes():
            n = node.toDict()
            n.update(dict(name=node.name, label=node.label))
            nodes.append(n)
        params['nodes'] = nodes
        params['groups'] = [group.toDict() for group in nodeset.getGroups()]
        params['ssh_keys'] = []
        if pipeline.post_review:
            params['ssh_keys'].append(dict(
                name='%s project key' % item.change.project.canonical_name,
                key=item.change.project.private_ssh_key))
        params['vars'] = job.variables
        params['extra_vars'] = job.extra_variables
        params['host_vars'] = job.host_variables
        params['group_vars'] = job.group_variables
        params['zuul'] = zuul_params
        projects = set()
        required_projects = set()

        def make_project_dict(project, override_branch=None,
                              override_checkout=None):
            project_metadata = item.layout.getProjectMetadata(
                project.canonical_name)
            if project_metadata:
                project_default_branch = project_metadata.default_branch
            else:
                project_default_branch = 'master'
            connection = project.source.connection
            return dict(connection=connection.connection_name,
                        name=project.name,
                        canonical_name=project.canonical_name,
                        override_branch=override_branch,
                        override_checkout=override_checkout,
                        default_branch=project_default_branch)

        if job.required_projects:
            for job_project in job.required_projects.values():
                (trusted, project) = tenant.getProject(
                    job_project.project_name)
                if project is None:
                    raise Exception("Unknown project %s" %
                                    (job_project.project_name,))
                params['projects'].append(
                    make_project_dict(project,
                                      job_project.override_branch,
                                      job_project.override_checkout))
                projects.add(project)
                required_projects.add(project)
        for change in dependent_changes:
            # We have to find the project this way because it may not
            # be registered in the tenant (ie, a foreign project).
            source = self.sched.connections.getSourceByCanonicalHostname(
                change['project']['canonical_hostname'])
            project = source.getProject(change['project']['name'])
            if project not in projects:
                params['projects'].append(make_project_dict(project))
                projects.add(project)
        for p in projects:
            zuul_params['projects'][p.canonical_name] = (dict(
                name=p.name,
                short_name=p.name.split('/')[-1],
                # Duplicate this into the dict too, so that iterating
                # project.values() is easier for callers
                canonical_name=p.canonical_name,
                canonical_hostname=p.canonical_hostname,
                src_dir=os.path.join('src', p.canonical_name),
                required=(p in required_projects),
            ))

        build = Build(job, uuid)
        build.parameters = params
        build.nodeset = nodeset

        self.log.debug("Adding build %s of job %s to item %s" %
                       (build, job, item))
        item.addBuild(build)

        if job.name == 'noop':
            self.sched.onBuildStarted(build)
            self.sched.onBuildCompleted(build, 'SUCCESS', {}, [])
            return build

        functions = getGearmanFunctions(self.gearman)
        function_name = 'executor:execute'
        # Because all nodes belong to the same provider, region and
        # availability zone we can get executor_zone from only the first
        # node.
        executor_zone = None
        if nodes and nodes[0].get('attributes'):
            executor_zone = nodes[0]['attributes'].get('executor-zone')

        if executor_zone:
            _fname = '%s:%s' % (
                function_name,
                executor_zone)
            if _fname in functions:
                function_name = _fname
            else:
                self.log.warning(
                    "Job requested '%s' zuul-executor zone, but no "
                    "zuul-executors found for this zone; ignoring zone "
                    "request" % executor_zone)

        gearman_job = gear.TextJob(
            function_name, json_dumps(params), unique=uuid)

        build.__gearman_job = gearman_job
        build.__gearman_worker = None
        self.builds[uuid] = build

        if pipeline.precedence == zuul.model.PRECEDENCE_NORMAL:
            precedence = gear.PRECEDENCE_NORMAL
        elif pipeline.precedence == zuul.model.PRECEDENCE_HIGH:
            precedence = gear.PRECEDENCE_HIGH
        elif pipeline.precedence == zuul.model.PRECEDENCE_LOW:
            precedence = gear.PRECEDENCE_LOW

        try:
            self.gearman.submitJob(gearman_job, precedence=precedence,
                                   timeout=300)
        except Exception:
            self.log.exception("Unable to submit job to Gearman")
            self.onBuildCompleted(gearman_job, 'EXCEPTION')
            return build

        if not gearman_job.handle:
            self.log.error("No job handle was received for %s after"
                           " 300 seconds; marking as lost." %
                           gearman_job)
            self.onBuildCompleted(gearman_job, 'NO_HANDLE')

        self.log.debug("Received handle %s for %s" % (gearman_job.handle,
                                                      build))

        return build