logging

Documentation

Index

• func FilterLevel(level slog.Level) func(slog.Handler) slog.Handler
• func NewLogger(cfg *Config, metricsNamespace string) *slog.Logger
• type Config
  • func (cfg *Config) RegisterFlags(f *flag.FlagSet)
  • func (cfg *Config) Set(logLevel string) error
  • func (c *Config) SetDefaults()
  • func (cfg *Config) String() string

Functions

func FilterLevel

func FilterLevel(level slog.Level) func(slog.Handler) slog.Handler

FilterLevel wraps an existing slog.Handler but logs at a different level. This function can be used to create child loggers which should print only log levels at a different log level than the parent logger.

func NewLogger

func NewLogger(cfg *Config, metricsNamespace string) *slog.Logger

NewLogger creates a preconfigured slog logger with Prometheus metrics hook

Types

type Config

type Config struct {
	LogLevelInput string `yaml:"level"`
	LogLevel      slog.Level
}

Config for an slog logger

func (*Config) RegisterFlags

func (cfg *Config) RegisterFlags(f *flag.FlagSet)

RegisterFlags adds the flags required to config the server

func (*Config) Set

func (cfg *Config) Set(logLevel string) error

Set updates the value of the allowed log level by implementing the flag.Value interface

func (*Config) SetDefaults

func (c *Config) SetDefaults()

func (*Config) String

func (cfg *Config) String() string

String implements the flag.Value interface