mirror of
https://github.com/openfaas/faasd.git
synced 2025-06-08 16:06:47 +00:00
88 lines
2.3 KiB
Go
Generated
88 lines
2.3 KiB
Go
Generated
package log
|
|
|
|
import (
|
|
"bytes"
|
|
"context"
|
|
"encoding/json"
|
|
"fmt"
|
|
"net"
|
|
"reflect"
|
|
"time"
|
|
)
|
|
|
|
// TimeFormat is [time.RFC3339Nano] with nanoseconds padded using
|
|
// zeros to ensure the formatted time is always the same number of
|
|
// characters.
|
|
// Based on RFC3339NanoFixed from github.com/containerd/log
|
|
const TimeFormat = "2006-01-02T15:04:05.000000000Z07:00"
|
|
|
|
func FormatTime(t time.Time) string {
|
|
return t.Format(TimeFormat)
|
|
}
|
|
|
|
// DurationFormat formats a [time.Duration] log entry.
|
|
//
|
|
// A nil value signals an error with the formatting.
|
|
type DurationFormat func(time.Duration) interface{}
|
|
|
|
func DurationFormatString(d time.Duration) interface{} { return d.String() }
|
|
func DurationFormatSeconds(d time.Duration) interface{} { return d.Seconds() }
|
|
func DurationFormatMilliseconds(d time.Duration) interface{} { return d.Milliseconds() }
|
|
|
|
// FormatIO formats net.Conn and other types that have an `Addr()` or `Name()`.
|
|
//
|
|
// See FormatEnabled for more information.
|
|
func FormatIO(ctx context.Context, v interface{}) string {
|
|
m := make(map[string]string)
|
|
m["type"] = reflect.TypeOf(v).String()
|
|
|
|
switch t := v.(type) {
|
|
case net.Conn:
|
|
m["localAddress"] = formatAddr(t.LocalAddr())
|
|
m["remoteAddress"] = formatAddr(t.RemoteAddr())
|
|
case interface{ Addr() net.Addr }:
|
|
m["address"] = formatAddr(t.Addr())
|
|
default:
|
|
return Format(ctx, t)
|
|
}
|
|
|
|
return Format(ctx, m)
|
|
}
|
|
|
|
func formatAddr(a net.Addr) string {
|
|
return a.Network() + "://" + a.String()
|
|
}
|
|
|
|
// Format formats an object into a JSON string, without any indendtation or
|
|
// HTML escapes.
|
|
// Context is used to output a log waring if the conversion fails.
|
|
//
|
|
// This is intended primarily for `trace.StringAttribute()`
|
|
func Format(ctx context.Context, v interface{}) string {
|
|
b, err := encode(v)
|
|
if err != nil {
|
|
G(ctx).WithError(err).Warning("could not format value")
|
|
return ""
|
|
}
|
|
|
|
return string(b)
|
|
}
|
|
|
|
func encode(v interface{}) ([]byte, error) {
|
|
return encodeBuffer(&bytes.Buffer{}, v)
|
|
}
|
|
|
|
func encodeBuffer(buf *bytes.Buffer, v interface{}) ([]byte, error) {
|
|
enc := json.NewEncoder(buf)
|
|
enc.SetEscapeHTML(false)
|
|
enc.SetIndent("", "")
|
|
|
|
if err := enc.Encode(v); err != nil {
|
|
err = fmt.Errorf("could not marshall %T to JSON for logging: %w", v, err)
|
|
return nil, err
|
|
}
|
|
|
|
// encoder.Encode appends a newline to the end
|
|
return bytes.TrimSpace(buf.Bytes()), nil
|
|
}
|