async fn activate_pipeline(
        &self,
        input: ActivatePipelineInput,
    ) -> Result<ActivatePipelineOutput, RusotoError<ActivatePipelineError>> {
        let mut request = self.new_signed_request("POST", "/");
        request.add_header("x-amz-target", "DataPipeline.ActivatePipeline");
        let encoded = serde_json::to_string(&input).unwrap();
        request.set_payload(Some(encoded));

        let response = self
            .sign_and_dispatch(request, ActivatePipelineError::from_response)
            .await?;
        let mut response = response;
        let response = response.buffer().await.map_err(RusotoError::HttpDispatch)?;
        proto::json::ResponsePayload::new(&response).deserialize::<ActivatePipelineOutput, _>()
    }
<p>Validates the specified pipeline and starts processing pipeline tasks. If the pipeline does not pass validation, activation fails.</p> <p>If you need to pause the pipeline to investigate an issue with a component, such as a data source or script, call <a>DeactivatePipeline</a>.</p> <p>To activate a finished pipeline, modify the end date for the pipeline and then activate it.</p>
rusoto/services/datapipeline/src/generated.rs