Awesome slog

Collection of log/slog related projects.

Do you have something to add? Please read the contributing guide and open a pull request.

Contents

• General
• Formatting
• Enrichment
• Log forwarding
• Adapters
• Integrations
• Testing
• Resources
  • Blog posts
  • Creating slog

General

General purpose handlers and integrations.

• slog-exp: Individual log files foe levels, Wrapping ReplaceAttr, displaying goroutine id, etc.
• slog-multi: Chaining handlers (pipe, router, fanout, etc).
• slog-sampling: Drop repetitive log entries.
• slog-shim: Backward compatible slog support for Go <1.21.
• slogbuffer: Buffer log records until real handler is defined.
• slogscope: Package based log levels for more fine grained control over logging behavior in large project.
• sloggen: Generate various helpers.
• sloglint: Ensure consistent code style.

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Formatting

Record and output formatters.

• console-slog: Handler that prints colorized logs, similar to zerolog's console writer output without sacrificing performances.
• devslog: Format logs for development.
• golog: Development, discard and production handlers with sensible formatting.
• slog-formatter: Common formatters for slog + helpers for building your own.
• slogor: A colorful slog handler.
• slogpfx: Easily prefix your log messages with attributes from the log record.
• tint: Handler that writes tinted logs.
• zlog: Handler that writes beautiful, human readable logs.
• zlog: Human-friendly output like zap development, json structured logging with more features for slog.

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Enrichment

Handlers enriching log records.

• masq: Redact sensitive data in logs.
• otelslog: Handler attaching OpenTelemetry trace and resource details to logs.
• slog-aws-lambda: Handler for AWS Lambda Functions.
• slog-context: Attach arbitrary key-value pairs to log records through context.
• slog-otel: Correlation between slog log records and Open-Telemetry traces.

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Log forwarding

Handlers forwarding logs.

• slog-clickhouse: Handler forwarding logs to ClickHouse.
• slog-datadog: Handler forwarding logs to Datadog.
• slogdriver: Handler forwarding logs to Stackdriver / GCP Cloud Logging.
• slog-fluentd: Handler forwarding logs to FluentD.
• slog-graylog: Handler forwarding logs to Graylog.
• slog-kafka: Handler forwarding logs to Kafka.
• slog-logstash: Handler forwarding logs to Logstash.
• slog-loki: Handler forwarding logs to Loki.
• slog-mattermost: Handler forwarding logs to Mattermost.
• slog-microsoft-teams: Handler forwarding logs to Microsoft Teams.
• slog-parquet: Handler forwarding logs to an object store in parquet format.
• slog-pushover: Handler forwarding logs to Pushover.
• slog-rollbar: Handler forwarding logs to Rollbar.
• slog-sentry: Handler forwarding logs to Sentry.
• slog-slack: Handler forwarding logs to Slack.
• slog-syslog: Handler forwarding logs to Syslog.
• slog-telegram: Handler forwarding logs to Telegram.
• slog-webhook: Handler forwarding logs to a Webhook.

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Adapters

Adapters for other logging libraries.

• go-hclog-slog: Handler adapter for hclog.
• gslog: Handler adapter for Google Cloud Logging.
• slog-logrus: Handler adapter for logrus.
• slog-zap: Handler adapter for zap.
• slog-zerolog: Handler adapter for zerolog.
• zaphandler: Handler adapter for Zap.

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Integrations

log/slog integrations into third-party components.

• ginslog: A fully featured Gin middleware.
• shclog: Hclog adapter for slog.
• slog-chi: Chi middleware.
• slog-echo: Echo middleware.
• slog-fiber: Fiber middleware.
• slog-gin: Gin middleware.

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Testing

Testing utilities for log/slog.

• slogassert: slog handler for testing slog code logs expected results.
• slogt: Bridge between Go testing.T and log/slog.

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Resources

Other resources about log/slog.

• Reference documentation
• Introductory blog post
• Golang Wiki page

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Blog posts

Blog posts about log/slog.

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Creating slog

Resources documenting the creation of log/slog.

• Original design proposal
• Initial discussion
• Proposal issue

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