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package config
import (
"github.com/icinga/icingadb/pkg/logging"
"github.com/pkg/errors"
"go.uber.org/zap/zapcore"
"os"
"time"
)
// Logging defines Logger configuration.
type Logging struct {
// zapcore.Level at 0 is for info level.
Level zapcore.Level `yaml:"level" default:"0"`
Output string `yaml:"output"`
// Interval for periodic logging.
Interval time.Duration `yaml:"interval" default:"20s"`
logging.Options `yaml:"options"`
}
// Validate checks constraints in the supplied Logging configuration and returns an error if they are violated.
// Also configures the log output if it is not configured:
// systemd-journald is used when Icinga DB is running under systemd, otherwise stderr.
func (l *Logging) Validate() error {
if l.Interval <= 0 {
return errors.New("periodic logging interval must be positive")
}
if l.Output == "" {
if _, ok := os.LookupEnv("NOTIFY_SOCKET"); ok {
// When started by systemd, NOTIFY_SOCKET is set by systemd for Type=notify supervised services,
// which is the default setting for the Icinga DB service.
// This assumes that Icinga DB is running under systemd, so set output to systemd-journald.
l.Output = logging.JOURNAL
} else {
// Otherwise set it to console, i.e. write log messages to stderr.
l.Output = logging.CONSOLE
}
}
// To be on the safe side, always call AssertOutput.
return logging.AssertOutput(l.Output)
}
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