GitHub - samber/slog-slack: 🚨 slog: Slack handler (original) (raw)

slog: Slack handler

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A Slack Handler for slog Go library.

See also:

HTTP middlewares:

Loggers:

Log sinks:

🚀 Install

go get github.com/samber/slog-slack/v2

Compatibility: go >= 1.21

No breaking changes will be made to exported APIs before v3.0.0.

💡 Usage

GoDoc: https://pkg.go.dev/github.com/samber/slog-slack/v2

Handler options

type Option struct { // log level (default: debug) Level slog.Leveler

// slack webhook url
WebhookURL string
// slack bot token
BotToken string
// slack channel (default: webhook channel)
Channel string
// bot username (default: webhook username)
Username string
// bot emoji (default: webhook emoji)
IconEmoji string
// bot emoji (default: webhook emoji)
IconURL string
// Not implemented yet, but we would like your feedback here: #7
// ThreadTimestamp string

// API request timeout (default: 10s)
Timeout time.Duration

// optional: customize Slack message builder
Converter Converter

// optional: see slog.HandlerOptions
AddSource   bool
ReplaceAttr func(groups []string, a slog.Attr) slog.Attr

}

Attributes will be injected in message attachments.

Other global parameters:

slogslack.SourceKey = "source" slogslack.ColorMapping = map[slog.Level]string{...}

screenshot

Example

Using webhook

Generate a webhook here.

import ( slogslack "github.com/samber/slog-slack/v2" "log/slog" )

func main() { webhook := "https://hooks.slack.com/services/xxx/yyy/zzz" channel := "alerts"

logger := slog.New(slogslack.Option{Level: slog.LevelError, WebhookURL: webhook, Channel: channel}.NewSlackHandler())
logger = logger.
    With("environment", "dev").
    With("release", "v1.0.0")

// log error
logger.
    With("category", "sql").
    With("query.statement", "SELECT COUNT(*) FROM users;").
    With("query.duration", 1*time.Second).
    With("error", fmt.Errorf("could not count users")).
    Error("caramba!")

// log user signup
logger.
    With(
        slog.Group("user",
            slog.String("id", "user-123"),
            slog.Time("created_at", time.Now()),
        ),
    ).
    Info("user registration")

// push record to a thread
logger.ErrorContext(
    slogslack.WithThreadTimestamp(context.Background(), "1714929099.4238"),
    "An error",
)

}

Using bot token

Use Bot token.

import ( slogslack "github.com/samber/slog-slack/v2" "log/slog" )

func main() { token := "xoxb-" channel := "alerts"

logger := slog.New(slogslack.Option{Level: slog.LevelError, BotToken: token, Channel: channel}.NewSlackHandler())
logger = logger.
    With("environment", "dev").
    With("release", "v1.0.0")

}

🤝 Contributing

Don't hesitate ;)

Install some dev dependencies

make tools

Run tests

make test

or

make watch-test

👤 Contributors

Contributors

💫 Show your support

Give a ⭐️ if this project helped you!

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📝 License

Copyright © 2023 Samuel Berthe.

This project is MIT licensed.