Index: third_party/gsutil/third_party/boto/boto/datapipeline/layer1.py |
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+# Copyright (c) 2013 Amazon.com, Inc. or its affiliates. All Rights Reserved |
+# |
+# Permission is hereby granted, free of charge, to any person obtaining a |
+# copy of this software and associated documentation files (the |
+# "Software"), to deal in the Software without restriction, including |
+# without limitation the rights to use, copy, modify, merge, publish, dis- |
+# tribute, sublicense, and/or sell copies of the Software, and to permit |
+# persons to whom the Software is furnished to do so, subject to the fol- |
+# lowing conditions: |
+# |
+# The above copyright notice and this permission notice shall be included |
+# in all copies or substantial portions of the Software. |
+# |
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
+# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL- |
+# ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT |
+# SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
+# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
+# IN THE SOFTWARE. |
+# |
+ |
+import boto |
+from boto.compat import json |
+from boto.connection import AWSQueryConnection |
+from boto.regioninfo import RegionInfo |
+from boto.exception import JSONResponseError |
+from boto.datapipeline import exceptions |
+ |
+ |
+class DataPipelineConnection(AWSQueryConnection): |
+ """ |
+ This is the AWS Data Pipeline API Reference . This guide provides |
+ descriptions and samples of the AWS Data Pipeline API. |
+ |
+ AWS Data Pipeline is a web service that configures and manages a |
+ data-driven workflow called a pipeline. AWS Data Pipeline handles |
+ the details of scheduling and ensuring that data dependencies are |
+ met so your application can focus on processing the data. |
+ |
+ The AWS Data Pipeline API implements two main sets of |
+ functionality. The first set of actions configure the pipeline in |
+ the web service. You call these actions to create a pipeline and |
+ define data sources, schedules, dependencies, and the transforms |
+ to be performed on the data. |
+ |
+ The second set of actions are used by a task runner application |
+ that calls the AWS Data Pipeline API to receive the next task |
+ ready for processing. The logic for performing the task, such as |
+ querying the data, running data analysis, or converting the data |
+ from one format to another, is contained within the task runner. |
+ The task runner performs the task assigned to it by the web |
+ service, reporting progress to the web service as it does so. When |
+ the task is done, the task runner reports the final success or |
+ failure of the task to the web service. |
+ |
+ AWS Data Pipeline provides an open-source implementation of a task |
+ runner called AWS Data Pipeline Task Runner. AWS Data Pipeline |
+ Task Runner provides logic for common data management scenarios, |
+ such as performing database queries and running data analysis |
+ using Amazon Elastic MapReduce (Amazon EMR). You can use AWS Data |
+ Pipeline Task Runner as your task runner, or you can write your |
+ own task runner to provide custom data management. |
+ |
+ The AWS Data Pipeline API uses the Signature Version 4 protocol |
+ for signing requests. For more information about how to sign a |
+ request with this protocol, see `Signature Version 4 Signing |
+ Process`_. In the code examples in this reference, the Signature |
+ Version 4 Request parameters are represented as AuthParams. |
+ """ |
+ APIVersion = "2012-10-29" |
+ DefaultRegionName = "us-east-1" |
+ DefaultRegionEndpoint = "datapipeline.us-east-1.amazonaws.com" |
+ ServiceName = "DataPipeline" |
+ TargetPrefix = "DataPipeline" |
+ ResponseError = JSONResponseError |
+ |
+ _faults = { |
+ "PipelineDeletedException": exceptions.PipelineDeletedException, |
+ "InvalidRequestException": exceptions.InvalidRequestException, |
+ "TaskNotFoundException": exceptions.TaskNotFoundException, |
+ "PipelineNotFoundException": exceptions.PipelineNotFoundException, |
+ "InternalServiceError": exceptions.InternalServiceError, |
+ } |
+ |
+ def __init__(self, **kwargs): |
+ region = kwargs.pop('region', None) |
+ if not region: |
+ region = RegionInfo(self, self.DefaultRegionName, |
+ self.DefaultRegionEndpoint) |
+ kwargs['host'] = region.endpoint |
+ super(DataPipelineConnection, self).__init__(**kwargs) |
+ self.region = region |
+ |
+ def _required_auth_capability(self): |
+ return ['hmac-v4'] |
+ |
+ def activate_pipeline(self, pipeline_id): |
+ """ |
+ Validates a pipeline and initiates processing. If the pipeline |
+ does not pass validation, activation fails. |
+ |
+ Call this action to start processing pipeline tasks of a |
+ pipeline you've created using the CreatePipeline and |
+ PutPipelineDefinition actions. A pipeline cannot be modified |
+ after it has been successfully activated. |
+ |
+ :type pipeline_id: string |
+ :param pipeline_id: The identifier of the pipeline to activate. |
+ |
+ """ |
+ params = {'pipelineId': pipeline_id, } |
+ return self.make_request(action='ActivatePipeline', |
+ body=json.dumps(params)) |
+ |
+ def create_pipeline(self, name, unique_id, description=None): |
+ """ |
+ Creates a new empty pipeline. When this action succeeds, you |
+ can then use the PutPipelineDefinition action to populate the |
+ pipeline. |
+ |
+ :type name: string |
+ :param name: The name of the new pipeline. You can use the same name |
+ for multiple pipelines associated with your AWS account, because |
+ AWS Data Pipeline assigns each new pipeline a unique pipeline |
+ identifier. |
+ |
+ :type unique_id: string |
+ :param unique_id: A unique identifier that you specify. This identifier |
+ is not the same as the pipeline identifier assigned by AWS Data |
+ Pipeline. You are responsible for defining the format and ensuring |
+ the uniqueness of this identifier. You use this parameter to ensure |
+ idempotency during repeated calls to CreatePipeline. For example, |
+ if the first call to CreatePipeline does not return a clear |
+ success, you can pass in the same unique identifier and pipeline |
+ name combination on a subsequent call to CreatePipeline. |
+ CreatePipeline ensures that if a pipeline already exists with the |
+ same name and unique identifier, a new pipeline will not be |
+ created. Instead, you'll receive the pipeline identifier from the |
+ previous attempt. The uniqueness of the name and unique identifier |
+ combination is scoped to the AWS account or IAM user credentials. |
+ |
+ :type description: string |
+ :param description: The description of the new pipeline. |
+ |
+ """ |
+ params = {'name': name, 'uniqueId': unique_id, } |
+ if description is not None: |
+ params['description'] = description |
+ return self.make_request(action='CreatePipeline', |
+ body=json.dumps(params)) |
+ |
+ def delete_pipeline(self, pipeline_id): |
+ """ |
+ Permanently deletes a pipeline, its pipeline definition and |
+ its run history. You cannot query or restore a deleted |
+ pipeline. AWS Data Pipeline will attempt to cancel instances |
+ associated with the pipeline that are currently being |
+ processed by task runners. Deleting a pipeline cannot be |
+ undone. |
+ |
+ To temporarily pause a pipeline instead of deleting it, call |
+ SetStatus with the status set to Pause on individual |
+ components. Components that are paused by SetStatus can be |
+ resumed. |
+ |
+ :type pipeline_id: string |
+ :param pipeline_id: The identifier of the pipeline to be deleted. |
+ |
+ """ |
+ params = {'pipelineId': pipeline_id, } |
+ return self.make_request(action='DeletePipeline', |
+ body=json.dumps(params)) |
+ |
+ def describe_objects(self, object_ids, pipeline_id, marker=None, |
+ evaluate_expressions=None): |
+ """ |
+ Returns the object definitions for a set of objects associated |
+ with the pipeline. Object definitions are composed of a set of |
+ fields that define the properties of the object. |
+ |
+ :type pipeline_id: string |
+ :param pipeline_id: Identifier of the pipeline that contains the object |
+ definitions. |
+ |
+ :type object_ids: list |
+ :param object_ids: Identifiers of the pipeline objects that contain the |
+ definitions to be described. You can pass as many as 25 identifiers |
+ in a single call to DescribeObjects. |
+ |
+ :type evaluate_expressions: boolean |
+ :param evaluate_expressions: Indicates whether any expressions in the |
+ object should be evaluated when the object descriptions are |
+ returned. |
+ |
+ :type marker: string |
+ :param marker: The starting point for the results to be returned. The |
+ first time you call DescribeObjects, this value should be empty. As |
+ long as the action returns `HasMoreResults` as `True`, you can call |
+ DescribeObjects again and pass the marker value from the response |
+ to retrieve the next set of results. |
+ |
+ """ |
+ params = { |
+ 'pipelineId': pipeline_id, |
+ 'objectIds': object_ids, |
+ } |
+ if evaluate_expressions is not None: |
+ params['evaluateExpressions'] = evaluate_expressions |
+ if marker is not None: |
+ params['marker'] = marker |
+ return self.make_request(action='DescribeObjects', |
+ body=json.dumps(params)) |
+ |
+ def describe_pipelines(self, pipeline_ids): |
+ """ |
+ Retrieve metadata about one or more pipelines. The information |
+ retrieved includes the name of the pipeline, the pipeline |
+ identifier, its current state, and the user account that owns |
+ the pipeline. Using account credentials, you can retrieve |
+ metadata about pipelines that you or your IAM users have |
+ created. If you are using an IAM user account, you can |
+ retrieve metadata about only those pipelines you have read |
+ permission for. |
+ |
+ To retrieve the full pipeline definition instead of metadata |
+ about the pipeline, call the GetPipelineDefinition action. |
+ |
+ :type pipeline_ids: list |
+ :param pipeline_ids: Identifiers of the pipelines to describe. You can |
+ pass as many as 25 identifiers in a single call to |
+ DescribePipelines. You can obtain pipeline identifiers by calling |
+ ListPipelines. |
+ |
+ """ |
+ params = {'pipelineIds': pipeline_ids, } |
+ return self.make_request(action='DescribePipelines', |
+ body=json.dumps(params)) |
+ |
+ def evaluate_expression(self, pipeline_id, expression, object_id): |
+ """ |
+ Evaluates a string in the context of a specified object. A |
+ task runner can use this action to evaluate SQL queries stored |
+ in Amazon S3. |
+ |
+ :type pipeline_id: string |
+ :param pipeline_id: The identifier of the pipeline. |
+ |
+ :type object_id: string |
+ :param object_id: The identifier of the object. |
+ |
+ :type expression: string |
+ :param expression: The expression to evaluate. |
+ |
+ """ |
+ params = { |
+ 'pipelineId': pipeline_id, |
+ 'objectId': object_id, |
+ 'expression': expression, |
+ } |
+ return self.make_request(action='EvaluateExpression', |
+ body=json.dumps(params)) |
+ |
+ def get_pipeline_definition(self, pipeline_id, version=None): |
+ """ |
+ Returns the definition of the specified pipeline. You can call |
+ GetPipelineDefinition to retrieve the pipeline definition you |
+ provided using PutPipelineDefinition. |
+ |
+ :type pipeline_id: string |
+ :param pipeline_id: The identifier of the pipeline. |
+ |
+ :type version: string |
+ :param version: The version of the pipeline definition to retrieve. |
+ This parameter accepts the values `latest` (default) and `active`. |
+ Where `latest` indicates the last definition saved to the pipeline |
+ and `active` indicates the last definition of the pipeline that was |
+ activated. |
+ |
+ """ |
+ params = {'pipelineId': pipeline_id, } |
+ if version is not None: |
+ params['version'] = version |
+ return self.make_request(action='GetPipelineDefinition', |
+ body=json.dumps(params)) |
+ |
+ def list_pipelines(self, marker=None): |
+ """ |
+ Returns a list of pipeline identifiers for all active |
+ pipelines. Identifiers are returned only for pipelines you |
+ have permission to access. |
+ |
+ :type marker: string |
+ :param marker: The starting point for the results to be returned. The |
+ first time you call ListPipelines, this value should be empty. As |
+ long as the action returns `HasMoreResults` as `True`, you can call |
+ ListPipelines again and pass the marker value from the response to |
+ retrieve the next set of results. |
+ |
+ """ |
+ params = {} |
+ if marker is not None: |
+ params['marker'] = marker |
+ return self.make_request(action='ListPipelines', |
+ body=json.dumps(params)) |
+ |
+ def poll_for_task(self, worker_group, hostname=None, |
+ instance_identity=None): |
+ """ |
+ Task runners call this action to receive a task to perform |
+ from AWS Data Pipeline. The task runner specifies which tasks |
+ it can perform by setting a value for the workerGroup |
+ parameter of the PollForTask call. The task returned by |
+ PollForTask may come from any of the pipelines that match the |
+ workerGroup value passed in by the task runner and that was |
+ launched using the IAM user credentials specified by the task |
+ runner. |
+ |
+ If tasks are ready in the work queue, PollForTask returns a |
+ response immediately. If no tasks are available in the queue, |
+ PollForTask uses long-polling and holds on to a poll |
+ connection for up to a 90 seconds during which time the first |
+ newly scheduled task is handed to the task runner. To |
+ accomodate this, set the socket timeout in your task runner to |
+ 90 seconds. The task runner should not call PollForTask again |
+ on the same `workerGroup` until it receives a response, and |
+ this may take up to 90 seconds. |
+ |
+ :type worker_group: string |
+ :param worker_group: Indicates the type of task the task runner is |
+ configured to accept and process. The worker group is set as a |
+ field on objects in the pipeline when they are created. You can |
+ only specify a single value for `workerGroup` in the call to |
+ PollForTask. There are no wildcard values permitted in |
+ `workerGroup`, the string must be an exact, case-sensitive, match. |
+ |
+ :type hostname: string |
+ :param hostname: The public DNS name of the calling task runner. |
+ |
+ :type instance_identity: dict |
+ :param instance_identity: Identity information for the Amazon EC2 |
+ instance that is hosting the task runner. You can get this value by |
+ calling the URI, `http://169.254.169.254/latest/meta-data/instance- |
+ id`, from the EC2 instance. For more information, go to `Instance |
+ Metadata`_ in the Amazon Elastic Compute Cloud User Guide. Passing |
+ in this value proves that your task runner is running on an EC2 |
+ instance, and ensures the proper AWS Data Pipeline service charges |
+ are applied to your pipeline. |
+ |
+ """ |
+ params = {'workerGroup': worker_group, } |
+ if hostname is not None: |
+ params['hostname'] = hostname |
+ if instance_identity is not None: |
+ params['instanceIdentity'] = instance_identity |
+ return self.make_request(action='PollForTask', |
+ body=json.dumps(params)) |
+ |
+ def put_pipeline_definition(self, pipeline_objects, pipeline_id): |
+ """ |
+ Adds tasks, schedules, and preconditions that control the |
+ behavior of the pipeline. You can use PutPipelineDefinition to |
+ populate a new pipeline or to update an existing pipeline that |
+ has not yet been activated. |
+ |
+ PutPipelineDefinition also validates the configuration as it |
+ adds it to the pipeline. Changes to the pipeline are saved |
+ unless one of the following three validation errors exists in |
+ the pipeline. |
+ |
+ #. An object is missing a name or identifier field. |
+ #. A string or reference field is empty. |
+ #. The number of objects in the pipeline exceeds the maximum |
+ allowed objects. |
+ |
+ |
+ |
+ Pipeline object definitions are passed to the |
+ PutPipelineDefinition action and returned by the |
+ GetPipelineDefinition action. |
+ |
+ :type pipeline_id: string |
+ :param pipeline_id: The identifier of the pipeline to be configured. |
+ |
+ :type pipeline_objects: list |
+ :param pipeline_objects: The objects that define the pipeline. These |
+ will overwrite the existing pipeline definition. |
+ |
+ """ |
+ params = { |
+ 'pipelineId': pipeline_id, |
+ 'pipelineObjects': pipeline_objects, |
+ } |
+ return self.make_request(action='PutPipelineDefinition', |
+ body=json.dumps(params)) |
+ |
+ def query_objects(self, pipeline_id, sphere, marker=None, query=None, |
+ limit=None): |
+ """ |
+ Queries a pipeline for the names of objects that match a |
+ specified set of conditions. |
+ |
+ The objects returned by QueryObjects are paginated and then |
+ filtered by the value you set for query. This means the action |
+ may return an empty result set with a value set for marker. If |
+ `HasMoreResults` is set to `True`, you should continue to call |
+ QueryObjects, passing in the returned value for marker, until |
+ `HasMoreResults` returns `False`. |
+ |
+ :type pipeline_id: string |
+ :param pipeline_id: Identifier of the pipeline to be queried for object |
+ names. |
+ |
+ :type query: dict |
+ :param query: Query that defines the objects to be returned. The Query |
+ object can contain a maximum of ten selectors. The conditions in |
+ the query are limited to top-level String fields in the object. |
+ These filters can be applied to components, instances, and |
+ attempts. |
+ |
+ :type sphere: string |
+ :param sphere: Specifies whether the query applies to components or |
+ instances. Allowable values: `COMPONENT`, `INSTANCE`, `ATTEMPT`. |
+ |
+ :type marker: string |
+ :param marker: The starting point for the results to be returned. The |
+ first time you call QueryObjects, this value should be empty. As |
+ long as the action returns `HasMoreResults` as `True`, you can call |
+ QueryObjects again and pass the marker value from the response to |
+ retrieve the next set of results. |
+ |
+ :type limit: integer |
+ :param limit: Specifies the maximum number of object names that |
+ QueryObjects will return in a single call. The default value is |
+ 100. |
+ |
+ """ |
+ params = {'pipelineId': pipeline_id, 'sphere': sphere, } |
+ if query is not None: |
+ params['query'] = query |
+ if marker is not None: |
+ params['marker'] = marker |
+ if limit is not None: |
+ params['limit'] = limit |
+ return self.make_request(action='QueryObjects', |
+ body=json.dumps(params)) |
+ |
+ def report_task_progress(self, task_id): |
+ """ |
+ Updates the AWS Data Pipeline service on the progress of the |
+ calling task runner. When the task runner is assigned a task, |
+ it should call ReportTaskProgress to acknowledge that it has |
+ the task within 2 minutes. If the web service does not recieve |
+ this acknowledgement within the 2 minute window, it will |
+ assign the task in a subsequent PollForTask call. After this |
+ initial acknowledgement, the task runner only needs to report |
+ progress every 15 minutes to maintain its ownership of the |
+ task. You can change this reporting time from 15 minutes by |
+ specifying a `reportProgressTimeout` field in your pipeline. |
+ If a task runner does not report its status after 5 minutes, |
+ AWS Data Pipeline will assume that the task runner is unable |
+ to process the task and will reassign the task in a subsequent |
+ response to PollForTask. task runners should call |
+ ReportTaskProgress every 60 seconds. |
+ |
+ :type task_id: string |
+ :param task_id: Identifier of the task assigned to the task runner. |
+ This value is provided in the TaskObject that the service returns |
+ with the response for the PollForTask action. |
+ |
+ """ |
+ params = {'taskId': task_id, } |
+ return self.make_request(action='ReportTaskProgress', |
+ body=json.dumps(params)) |
+ |
+ def report_task_runner_heartbeat(self, taskrunner_id, worker_group=None, |
+ hostname=None): |
+ """ |
+ Task runners call ReportTaskRunnerHeartbeat every 15 minutes |
+ to indicate that they are operational. In the case of AWS Data |
+ Pipeline Task Runner launched on a resource managed by AWS |
+ Data Pipeline, the web service can use this call to detect |
+ when the task runner application has failed and restart a new |
+ instance. |
+ |
+ :type taskrunner_id: string |
+ :param taskrunner_id: The identifier of the task runner. This value |
+ should be unique across your AWS account. In the case of AWS Data |
+ Pipeline Task Runner launched on a resource managed by AWS Data |
+ Pipeline, the web service provides a unique identifier when it |
+ launches the application. If you have written a custom task runner, |
+ you should assign a unique identifier for the task runner. |
+ |
+ :type worker_group: string |
+ :param worker_group: Indicates the type of task the task runner is |
+ configured to accept and process. The worker group is set as a |
+ field on objects in the pipeline when they are created. You can |
+ only specify a single value for `workerGroup` in the call to |
+ ReportTaskRunnerHeartbeat. There are no wildcard values permitted |
+ in `workerGroup`, the string must be an exact, case-sensitive, |
+ match. |
+ |
+ :type hostname: string |
+ :param hostname: The public DNS name of the calling task runner. |
+ |
+ """ |
+ params = {'taskrunnerId': taskrunner_id, } |
+ if worker_group is not None: |
+ params['workerGroup'] = worker_group |
+ if hostname is not None: |
+ params['hostname'] = hostname |
+ return self.make_request(action='ReportTaskRunnerHeartbeat', |
+ body=json.dumps(params)) |
+ |
+ def set_status(self, object_ids, status, pipeline_id): |
+ """ |
+ Requests that the status of an array of physical or logical |
+ pipeline objects be updated in the pipeline. This update may |
+ not occur immediately, but is eventually consistent. The |
+ status that can be set depends on the type of object. |
+ |
+ :type pipeline_id: string |
+ :param pipeline_id: Identifies the pipeline that contains the objects. |
+ |
+ :type object_ids: list |
+ :param object_ids: Identifies an array of objects. The corresponding |
+ objects can be either physical or components, but not a mix of both |
+ types. |
+ |
+ :type status: string |
+ :param status: Specifies the status to be set on all the objects in |
+ `objectIds`. For components, this can be either `PAUSE` or |
+ `RESUME`. For instances, this can be either `CANCEL`, `RERUN`, or |
+ `MARK_FINISHED`. |
+ |
+ """ |
+ params = { |
+ 'pipelineId': pipeline_id, |
+ 'objectIds': object_ids, |
+ 'status': status, |
+ } |
+ return self.make_request(action='SetStatus', |
+ body=json.dumps(params)) |
+ |
+ def set_task_status(self, task_id, task_status, error_id=None, |
+ error_message=None, error_stack_trace=None): |
+ """ |
+ Notifies AWS Data Pipeline that a task is completed and |
+ provides information about the final status. The task runner |
+ calls this action regardless of whether the task was |
+ sucessful. The task runner does not need to call SetTaskStatus |
+ for tasks that are canceled by the web service during a call |
+ to ReportTaskProgress. |
+ |
+ :type task_id: string |
+ :param task_id: Identifies the task assigned to the task runner. This |
+ value is set in the TaskObject that is returned by the PollForTask |
+ action. |
+ |
+ :type task_status: string |
+ :param task_status: If `FINISHED`, the task successfully completed. If |
+ `FAILED` the task ended unsuccessfully. The `FALSE` value is used |
+ by preconditions. |
+ |
+ :type error_id: string |
+ :param error_id: If an error occurred during the task, this value |
+ specifies an id value that represents the error. This value is set |
+ on the physical attempt object. It is used to display error |
+ information to the user. It should not start with string "Service_" |
+ which is reserved by the system. |
+ |
+ :type error_message: string |
+ :param error_message: If an error occurred during the task, this value |
+ specifies a text description of the error. This value is set on the |
+ physical attempt object. It is used to display error information to |
+ the user. The web service does not parse this value. |
+ |
+ :type error_stack_trace: string |
+ :param error_stack_trace: If an error occurred during the task, this |
+ value specifies the stack trace associated with the error. This |
+ value is set on the physical attempt object. It is used to display |
+ error information to the user. The web service does not parse this |
+ value. |
+ |
+ """ |
+ params = {'taskId': task_id, 'taskStatus': task_status, } |
+ if error_id is not None: |
+ params['errorId'] = error_id |
+ if error_message is not None: |
+ params['errorMessage'] = error_message |
+ if error_stack_trace is not None: |
+ params['errorStackTrace'] = error_stack_trace |
+ return self.make_request(action='SetTaskStatus', |
+ body=json.dumps(params)) |
+ |
+ def validate_pipeline_definition(self, pipeline_objects, pipeline_id): |
+ """ |
+ Tests the pipeline definition with a set of validation checks |
+ to ensure that it is well formed and can run without error. |
+ |
+ :type pipeline_id: string |
+ :param pipeline_id: Identifies the pipeline whose definition is to be |
+ validated. |
+ |
+ :type pipeline_objects: list |
+ :param pipeline_objects: A list of objects that define the pipeline |
+ changes to validate against the pipeline. |
+ |
+ """ |
+ params = { |
+ 'pipelineId': pipeline_id, |
+ 'pipelineObjects': pipeline_objects, |
+ } |
+ return self.make_request(action='ValidatePipelineDefinition', |
+ body=json.dumps(params)) |
+ |
+ def make_request(self, action, body): |
+ headers = { |
+ 'X-Amz-Target': '%s.%s' % (self.TargetPrefix, action), |
+ 'Host': self.region.endpoint, |
+ 'Content-Type': 'application/x-amz-json-1.1', |
+ 'Content-Length': str(len(body)), |
+ } |
+ http_request = self.build_base_http_request( |
+ method='POST', path='/', auth_path='/', params={}, |
+ headers=headers, data=body) |
+ response = self._mexe(http_request, sender=None, |
+ override_num_retries=10) |
+ response_body = response.read().decode('utf-8') |
+ boto.log.debug(response_body) |
+ if response.status == 200: |
+ if response_body: |
+ return json.loads(response_body) |
+ else: |
+ json_body = json.loads(response_body) |
+ fault_name = json_body.get('__type', None) |
+ exception_class = self._faults.get(fault_name, self.ResponseError) |
+ raise exception_class(response.status, response.reason, |
+ body=json_body) |