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CHANGELOG.md

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Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[Unreleased]

[1.6.1] - 2020-09-23

Fixed

  • Utilities: Fix issue with boolean values in DynamoDB stream event data class.

[1.6.0] - 2020-09-22

Added

  • Metrics: Support adding multiple metric values to a single metric name
  • Utilities: Add new Validator utility to validate inbound events and responses using JSON Schema
  • Utilities: Add new Event source data classes utility to easily describe event schema of popular event sources
  • Docs: Add new Testing your code section to both Logger and Metrics page, and content width is now wider
  • Tracer: Support for automatically disable Tracer when running a Chalice app

Fixed

  • Docs: Improve wording on log sampling feature in Logger, and removed duplicate content on main page
  • Utilities: Remove DeleteMessageBatch API call when there are no messages to delete

[1.5.0] - 2020-09-04

Added

  • Logger: Add xray_trace_id to log output to improve integration with CloudWatch Service Lens
  • Logger: Allow reordering of logged output
  • Utilities: Add new SQS batch processing utility to handle partial failures in processing message batches
  • Utilities: Add typing utility providing static type for lambda context object
  • Utilities: Add transform=auto in parameters utility to deserialize parameter values based on the key name

Fixed

  • Logger: The value of json_default formatter is no longer written to logs

[1.4.0] - 2020-08-25

Added

  • All: Official Lambda Layer via Serverless Application Repository
  • Tracer: capture_method and capture_lambda_handler now support capture_response=False parameter to prevent Tracer to capture response as metadata to allow customers running Tracer with sensitive workloads

Fixed

  • Metrics: Cold start metric is now completely separate from application metrics dimensions, making it easier and cheaper to visualize.
    • This is a breaking change if you were graphing/alerting on both application metrics with the same name to compensate this previous malfunctioning
    • Marked as bugfix as this is the intended behaviour since the beginning, as you shouldn't have the same application metric with different dimensions
  • Utilities: SSMProvider within Parameters utility now have decrypt and recursive parameters correctly defined to support autocompletion

Added

  • Tracer: capture_lambda_handler and capture_method decorators now support capture_response parameter to not include function's response as part of tracing metadata

[1.3.1] - 2020-08-22

Fixed

  • Tracer: capture_method decorator did not properly handle nested context managers

[1.3.0] - 2020-08-21

Added

  • Utilities: Add new parameters utility to retrieve a single or multiple parameters from SSM Parameter Store, Secrets Manager, DynamoDB, or your very own

[1.2.0] - 2020-08-20

Added

  • Tracer: capture_method decorator now supports generator functions (including context managers)

[1.1.3] - 2020-08-18

Fixed

  • Logger: Logs emitted twice, structured and unstructured, due to Lambda configuring the root handler

[1.1.2] - 2020-08-16

Fixed

  • Docs: Clarify confusion on Tracer reuse and auto_patch=False statement
  • Logger: Autocomplete for log statements in PyCharm

[1.1.1] - 2020-08-14

Fixed

  • Logger: Regression on Logger level not accepting int i.e. Logger(level=logging.INFO)

[1.1.0] - 2020-08-14

Added

  • Logger: Support for logger inheritance with child parameter

Fixed

  • Logger: Log level is now case insensitive via params and env var

[1.0.2] - 2020-07-16

Fixed

  • Tracer: Correct AWS X-Ray SDK dependency to support 2.5.0 and higher

[1.0.1] - 2020-07-06

Fixed

  • Logger: Fix a bug with inject_lambda_context causing existing Logger keys to be overridden if structure_logs was called before

[1.0.0] - 2020-06-18

Added

  • Metrics: add_metadata method to add any metric metadata you'd like to ease finding metric related data via CloudWatch Logs
  • Set status as General Availability

[0.11.0] - 2020-06-08

Added

  • Imports can now be made from top level of module, e.g.: from aws_lambda_powertools import Logger, Metrics, Tracer

Fixed

  • Metrics: Fix a bug with Metrics causing an exception to be thrown when logging metrics if dimensions were not explicitly added.

Changed

  • Metrics: No longer throws exception by default in case no metrics are emitted when using the log_metrics decorator.

[0.10.0] - 2020-06-08

Added

  • Metrics: capture_cold_start_metric parameter added to log_metrics decorator
  • Metrics: Optional namespace and service parameters added to Metrics constructor to more closely resemble other core utils

Changed

  • Metrics: Default dimension is now created based on service parameter or POWERTOOLS_SERVICE_NAME env var

Deprecated

  • Metrics: add_namespace method deprecated in favor of using namespace parameter to Metrics constructor or POWERTOOLS_METRICS_NAMESPACE env var

[0.9.5] - 2020-06-02

Fixed

  • Metrics: Coerce non-string dimension values to string
  • Logger: Correct cold_start, function_memory_size values from string to bool and int respectively

[0.9.4] - 2020-05-29

Fixed

  • Metrics: Fix issue where metrics were not correctly flushed, and cleared on every invocation

[0.9.3] - 2020-05-16

Fixed

  • Tracer: Fix Runtime Error for nested sync due to incorrect loop usage

[0.9.2] - 2020-05-14

Fixed

  • Tracer: Import aiohttp lazily so it's not a hard dependency

[0.9.0] - 2020-05-12

Added

  • Tracer: Support for async functions in Tracer via capture_method decorator
  • Tracer: Support for aiohttp via aiohttp_trace_config trace config
  • Tracer: Support for patching specific modules via patch_modules param
  • Tracer: Document escape hatch mechanisms via tracer.provider

[0.8.1] - 2020-05-1

Fixed

  • Metrics: Fix metric unit casting logic if one passes plain string (value or key)
  • Metrics:: Fix MetricUnit enum values for
    • BytesPerSecond
    • KilobytesPerSecond
    • MegabytesPerSecond
    • GigabytesPerSecond
    • TerabytesPerSecond
    • BitsPerSecond
    • KilobitsPerSecond
    • MegabitsPerSecond
    • GigabitsPerSecond
    • TerabitsPerSecond
    • CountPerSecond

[0.8.0] - 2020-04-24

Added

  • Logger: Introduced Logger class for structured logging as a replacement for logger_setup
  • Logger: Introduced Logger.inject_lambda_context decorator as a replacement for logger_inject_lambda_context

Removed

  • Logger: Raise DeprecationWarning exception for both logger_setup, logger_inject_lambda_context

[0.7.0] - 2020-04-20

Added

  • Middleware factory: Introduced Middleware Factory to build your own middleware via lambda_handler_decorator

Fixed

  • Metrics: Fixed metrics dimensions not being included correctly in EMF

[0.6.3] - 2020-04-09

Fixed

  • Logger: Fix log_metrics decorator logic not calling the decorated function, and exception handling

[0.6.1] - 2020-04-08

Added

  • Metrics: Introduces Metrics middleware to utilise CloudWatch Embedded Metric Format

Deprecated

  • Metrics: Added deprecation warning for log_metrics

[0.5.0] - 2020-02-20

Added

[0.1.0] - 2019-11-15

Added

  • Public beta release