github.com/aws/amazon-cloudwatch-agent

Enhancements:

• Configure appsignals processor on EKS with cluster name

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Bug fixes:

• Fix CW Log Group creation in regions where LogGroupClass parameter is unsupported
• Fix CA bundle configuration for X-Ray exporter and region configuration for CW Logs exporter

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Bug fixes:

• Have YAML use context log path from TOML rules

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New Features:

• Support CloudWatch Logs log group classes

Enhancements:

• Use cwagent as the default user to run the agent with configuration wizard
• Reduce CPU spikes when using procstat on Windows by grabbing only individual processes specified

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Bug fixes:

• Fix logger not rotating log file after file size reaches 100MB
• Fix enhanced container insights not publishing metrics for pods in pending status

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Enhancements:

• Allow empty measurement field in the agent configuration for backward-compatibility

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Bug fixes:

• Fix enhanced container insights publishing 0 for cpu/memory over metrics when limit/resource not set

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Bug fixes:

• Add units to StatusRunning and StatusContainerTerminatedReasonOOMKilled metrics

Enhancements:

• Add agenthealth extension with user agent handler
• Enable enhanced container insights flag in EMF exporter

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Bug fixes:

• Fix EMF log corruption caused by highly concurrent messages sent to the agent
• CA Bundle fix for AWS Secret regions
• Filter out terminated pods when calculating container insights node request metrics to match kubectl implementation
• Fix auto_removal to not block on the file being removed

Enhancements:

• Support both zero padded and non-padded month/day when using %m/%d for the logfile timestamp_format
• Use default path when -otelconfig option not given
• Restrict pprof-addr to localhost

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Bug fixes:

• Use GZIP 6 RPM Compression To Fix Install On AL2 Without Kernel Patch

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Bug fixes:

• Use fmt.Printf Instead Of log.Printf On Start Up Because Of A Bug With Windows User Data Causing Agent Not To Start

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Bug fixes:

• Fix windows event logs to start only once

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Bug fixes:

• Fix file pattern matching to support glob wildcard characters (!{})
• Use LogStreamName instead of ServiceName in token replacement for Prometheus
• Add fallback shared config files for credential ordering to maintain previous AWS SDK behavior
• Drop unsupported NaN, Inf, and out of range values

Enhancements:

• Try using IMDSv2 only first before using client with fallback
• Add support for configurable IMDS retries in the common-config.toml
• Add support for traces in agent configuration wizard
• Remove misleading metric filter warning

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Bug fixes:

• Retain logic to determine log stream for EMF pipeline (@4f7705a)
• Fix rename in metrics decorator translator (@ad5861a)
• Update config translation to respect common config profile and creds file (@e2ef915)
• Remove plugin key allowlist for metric decorator (@47a5e47)

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Bug fixes:

• Add expandconverter to config provider (@24592ba)
• Pin AWS SDK to v1.44.106 since the defaults for root creds changed in future versions (@048809e)
• Add Endpoint Override To EMF And Only Publish EMF Logs (@db03fb6)
• Revert "Add Retry To IMDS Client" (@a367c86)

Enhancements:

• Removed warn log message for empty fields in telegraph metrics (@fd1b308)

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Bug fixes:

• Macos script fix (@6792c77)

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Bug fixes:

• Remove windows event log plugin from adapter translation (@4c7abf4)

Enhancements:

• Remove telegraf agent start up (@3f60a57)

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New features:

• Add support for OpenTelemetry and AWS X-Ray traces. See https://aws.amazon.com/about-aws/whats-new/2023/08/amazon-cloudwatch-agent-opentelemetry-traces-x-ray/
• CloudWatch Agent is now compatible with both OpenTelemetry and Telegraf components

Enhancements:

• Adding blurb about usage data and opt-out (#776)
• Apply cd into terraform_dir logic consistently (#778)
• Increase terraform aws assume role duration to avoid expired token errors (#779)
• Add excluded_tests flag to Linux test workflow (#777)
• Echo Stress Test Info (#781)
• update schema and validation to support 3 year retention (#788)
• Workflow refactor and add onprem test jobs (#782)
• Add family flag to performance test (#789)
• Windows stress test setup (#797)
• Replace Telegraf agent with OpenTelemetry Collector (#796)

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Enhancements:

• Support for voluntary collection of product experience metrics (#766) (#771)

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Enhancements and bug fixes:

• Add log output when log files are deleted with auto_removal feature #636 (#659)
• Add config mode for ModeWithIRSA to support using default credential provider with RUN_WITH_IRSA environment variable as True (#682)
• Add config option to disable extraction of metrics from EMF logs for kubernetes (#723)

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Enhancements:

• Add log output when log files are deleted with auto_removal feature (#659)

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Bug fixes:

• Update AWS SDK Go to fix mac build (#640)
• Fix control script starting CWA on Oracle Linux 9 by using systemctl (#645)
• Fix handling negative statefile offset (#646)
• Fix starting the agent with "auto" mode on an on premise host (#652)

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Enhancements:

• Enhance Windows event log monitoring in preparation for Windows 11 support (#627)
• Remove Amazon Open Telemetry Collector that was bundled with CloudWatch Agent (#522)
• Integration tests moved to new repository (#622) (#625) (#630)
• Update default metric list scraped via Prometheus (#581)

Bug fixes:

• Fix corner case where "retention_in_days" was not actually getting set (#554)
• Fix ethtool name in input config (#585)
• Fix "amazon-cloudwatch-agent-ctl stop" to use systemd related commands (#542)

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Enhancements:

• Support mode on premise
• Windows MSI installer silent exec implementation

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Enhancements:

• Increase PutMetricData request size allowed in agent
• Fix Windows ctl issues on Windows 2012R2

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