def _get_client(self):
        ctx = context.ctx()

        LOG.debug("Cinder action security context: %s" % ctx)

        cinder_endpoint = keystone_utils.get_endpoint_for_project(
            service_type='volume'
        )

        cinder_url = keystone_utils.format_url(
            cinder_endpoint.url,
            {'tenant_id': ctx.project_id}
        )

        client = self._client_class(
            ctx.user_name,
            ctx.auth_token,
            project_id=ctx.project_id,
            auth_url=cinder_url,
            region_name=cinder_endpoint.region
        )

        client.client.auth_token = ctx.auth_token
        client.client.management_url = cinder_url

        return client

    def _get_client(self):
        ctx = context.ctx()

        LOG.debug("Trove action security context: %s" % ctx)

        trove_endpoint = keystone_utils.get_endpoint_for_project(
            service_type='database'
        )

        trove_url = keystone_utils.format_url(
            trove_endpoint.url,
            {'tenant_id': ctx.project_id}
        )

        client = self._get_client_class()(
            ctx.user_name,
            ctx.auth_token,
            project_id=ctx.project_id,
            auth_url=trove_url,
            region_name=trove_endpoint.region
        )

        client.client.auth_token = ctx.auth_token
        client.client.management_url = trove_url

        return client

    def _get_client(self):
        ctx = context.ctx()

        LOG.debug("Mistral action security context: %s" % ctx)

        # Check for trust scope token. This may occur if the action is
        # called from a workflow triggered by a Mistral cron trigger.
        if ctx.is_trust_scoped:
            auth_url = None
            mistral_endpoint = keystone_utils.get_endpoint_for_project(
                'mistral'
            )
            mistral_url = mistral_endpoint.url
        else:
            keystone_endpoint = keystone_utils.get_keystone_endpoint_v2()
            auth_url = keystone_endpoint.url
            mistral_url = None

        return self._client_class(
            mistral_url=mistral_url,
            auth_token=ctx.auth_token,
            project_id=ctx.project_id,
            user_id=ctx.user_id,
            auth_url=auth_url
        )

    def _get_workflow_client(self):
        ctx = context.ctx()
        mistral_endpoint = keystone_utils.get_endpoint_for_project('mistral')

        mc = mistral_client.client(auth_token=ctx.auth_token,
                                   mistral_url=mistral_endpoint.url)

        return mc

    def _get_object_client(self):
        ctx = context.ctx()
        obj_ep = keystone_utils.get_endpoint_for_project('swift')

        kwargs = {
            'preauthurl': obj_ep.url % {'tenant_id': ctx.project_id},
            'preauthtoken': ctx.auth_token
        }

        return swift_client.Connection(**kwargs)

    def _create_client(self, context):

        LOG.debug("Magnum action security context: %s", context)

        keystone_endpoint = keystone_utils.get_keystone_endpoint()
        auth_url = keystone_endpoint.url
        magnum_url = keystone_utils.get_endpoint_for_project('magnum').url

        return self._get_client_class()(
            magnum_url=magnum_url,
            auth_token=context.auth_token,
            project_id=context.project_id,
            auth_url=auth_url,
            insecure=context.insecure
        )

    def _get_orchestration_client(self):
        ctx = context.ctx()
        heat_endpoint = keystone_utils.get_endpoint_for_project('heat')

        endpoint_url = keystone_utils.format_url(
            heat_endpoint.url,
            {'tenant_id': ctx.project_id}
        )

        return heatclient.Client(
            endpoint_url,
            region_name=heat_endpoint.region,
            token=ctx.auth_token,
            username=ctx.user_name
        )

    def _get_client(self):
        ctx = context.ctx()

        LOG.debug("Murano action security context: %s" % ctx)

        keystone_endpoint = keystone_utils.get_keystone_endpoint_v2()
        murano_endpoint = keystone_utils.get_endpoint_for_project('murano')

        return self._client_class(
            endpoint=murano_endpoint.url,
            token=ctx.auth_token,
            tenant=ctx.project_id,
            region_name=murano_endpoint.region,
            auth_url=keystone_endpoint.url
        )