예제 #1
0
def create_cron_trigger(name, workflow_name, workflow_input,
                        workflow_params=None, pattern=None, first_time=None,
                        count=None, start_time=None, workflow_id=None):
    if not start_time:
        start_time = datetime.datetime.now()

    if isinstance(first_time, six.string_types):
        try:
            first_time = datetime.datetime.strptime(
                first_time,
                '%Y-%m-%d %H:%M'
            )
        except ValueError as e:
            raise exc.InvalidModelException(e.message)

    validate_cron_trigger_input(pattern, first_time, count)

    first_utc_time = first_time

    if first_time:
        first_second = time.mktime(first_time.timetuple())
        first_utc_time = datetime.datetime.utcfromtimestamp(first_second)
        next_time = first_utc_time

        if not (pattern or count):
            count = 1
    else:
        next_time = get_next_execution_time(pattern, start_time)

    with db_api.transaction():
        wf_def = db_api.get_workflow_definition(
            workflow_id if workflow_id else workflow_name
        )

        eng_utils.validate_input(
            wf_def,
            workflow_input or {},
            parser.get_workflow_spec(wf_def.spec)
        )

        values = {
            'name': name,
            'pattern': pattern,
            'first_execution_time': first_utc_time,
            'next_execution_time': next_time,
            'remaining_executions': count,
            'workflow_name': wf_def.name,
            'workflow_id': wf_def.id,
            'workflow_input': workflow_input or {},
            'workflow_params': workflow_params or {},
            'scope': 'private'
        }

        security.add_trust_id(values)

        trig = db_api.create_cron_trigger(values)

    return trig
예제 #2
0
파일: triggers.py 프로젝트: ainkov/mistral
def create_cron_trigger(name, workflow_name, workflow_input,
                        workflow_params=None, pattern=None, first_time=None,
                        count=None, start_time=None):
    if not start_time:
        start_time = datetime.datetime.now()

    if type(first_time) in [str, unicode]:
        try:
            first_time = datetime.datetime.strptime(first_time,
                                                    '%Y-%m-%d %H:%M')
        except ValueError as e:
            raise exc.InvalidModelException(e.message)

    validate_cron_trigger_input(pattern, first_time, count)

    if first_time:
        next_time = first_time
        if not (pattern and count):
            count = 1
    else:
        next_time = get_next_execution_time(pattern, start_time)

    with db_api_v2.transaction():
        wf = db_api_v2.get_workflow_definition(workflow_name)

        values = {
            'name': name,
            'pattern': pattern,
            'next_execution_time': next_time,
            'remaining_executions': count,
            'workflow_name': workflow_name,
            'workflow_id': wf.id,
            'workflow_input': workflow_input or {},
            'workflow_params': workflow_params or {},
            'scope': 'private'
        }

        security.add_trust_id(values)

        trig = db_api_v2.create_cron_trigger(values)

    return trig
예제 #3
0
def create_cron_trigger(name,
                        workflow_name,
                        workflow_input,
                        workflow_params=None,
                        pattern=None,
                        first_time=None,
                        count=None,
                        start_time=None,
                        workflow_id=None):
    if not start_time:
        start_time = datetime.datetime.utcnow()

    if isinstance(first_time, six.string_types):
        try:
            first_time = datetime.datetime.strptime(first_time,
                                                    '%Y-%m-%d %H:%M')
        except ValueError as e:
            raise exc.InvalidModelException(str(e))

    validate_cron_trigger_input(pattern, first_time, count)

    if first_time:
        next_time = first_time

        if not (pattern or count):
            count = 1
    else:
        next_time = get_next_execution_time(pattern, start_time)

    with db_api.transaction():
        wf_def = db_api.get_workflow_definition(
            workflow_id if workflow_id else workflow_name)

        wf_spec = parser.get_workflow_spec_by_definition_id(
            wf_def.id, wf_def.updated_at)

        # TODO(rakhmerov): Use Workflow object here instead of utils.
        eng_utils.validate_input(wf_spec.get_input(), workflow_input,
                                 wf_spec.get_name(),
                                 wf_spec.__class__.__name__)

        trigger_parameters = {
            'name': name,
            'pattern': pattern,
            'first_execution_time': first_time,
            'next_execution_time': next_time,
            'remaining_executions': count,
            'workflow_name': wf_def.name,
            'workflow_id': wf_def.id,
            'workflow_input': workflow_input or {},
            'workflow_params': workflow_params or {},
            'scope': 'private'
        }

        security.add_trust_id(trigger_parameters)

        try:
            trig = db_api.create_cron_trigger(trigger_parameters)
        except Exception:
            # Delete trust before raising exception.
            security.delete_trust(trigger_parameters.get('trust_id'))
            raise

    return trig
예제 #4
0
def create_cron_trigger(name, workflow_name, workflow_input,
                        workflow_params=None, pattern=None, first_time=None,
                        count=None, start_time=None, workflow_id=None):
    if not start_time:
        start_time = datetime.datetime.utcnow()

    if isinstance(first_time, six.string_types):
        try:
            first_time = datetime.datetime.strptime(
                first_time,
                '%Y-%m-%d %H:%M'
            )
        except ValueError as e:
            raise exc.InvalidModelException(str(e))

    validate_cron_trigger_input(pattern, first_time, count)

    if first_time:
        next_time = first_time

        if not (pattern or count):
            count = 1
    else:
        next_time = get_next_execution_time(pattern, start_time)

    with db_api.transaction():
        wf_def = db_api.get_workflow_definition(
            workflow_id if workflow_id else workflow_name
        )

        wf_spec = parser.get_workflow_spec_by_definition_id(
            wf_def.id,
            wf_def.updated_at
        )

        # TODO(rakhmerov): Use Workflow object here instead of utils.
        eng_utils.validate_input(
            wf_spec.get_input(),
            workflow_input,
            wf_spec.get_name(),
            wf_spec.__class__.__name__
        )

        trigger_parameters = {
            'name': name,
            'pattern': pattern,
            'first_execution_time': first_time,
            'next_execution_time': next_time,
            'remaining_executions': count,
            'workflow_name': wf_def.name,
            'workflow_id': wf_def.id,
            'workflow_input': workflow_input or {},
            'workflow_params': workflow_params or {},
            'scope': 'private'
        }

        security.add_trust_id(trigger_parameters)

        try:
            trig = db_api.create_cron_trigger(trigger_parameters)
        except Exception:
            # Delete trust before raising exception.
            security.delete_trust(trigger_parameters.get('trust_id'))
            raise

    return trig