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add partial metadata to journald logs

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add all partial metadata available to journald logs to allow easier reassembly of partial messages in downstream logging systems

fixes #41403

Signed-off-by: Christian Becker <christian.becker@sixt.com>
This commit is contained in:
Christian Becker 2020-09-01 12:31:12 +02:00
parent 7ae5222c72
commit 322c9e6866
1 changed files with 8 additions and 2 deletions
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10
daemon/logger/journald/journald.go
View file

@ -6,6 +6,7 @@ package journald // import "github.com/docker/docker/daemon/logger/journald"
import (
"fmt"
"strconv"
"sync"
"unicode"
@ -105,8 +106,13 @@ func (s *journald) Log(msg *logger.Message) error {
for k, v := range s.vars {
vars[k] = v
}
if msg.PLogMetaData != nil && !msg.PLogMetaData.Last {
vars["CONTAINER_PARTIAL_MESSAGE"] = "true"
if msg.PLogMetaData != nil {
vars["CONTAINER_PARTIAL_ID"] = msg.PLogMetaData.ID
vars["CONTAINER_PARTIAL_ORDINAL"] = strconv.Itoa(msg.PLogMetaData.Ordinal)
vars["CONTAINER_PARTIAL_LAST"] = strconv.FormatBool(msg.PLogMetaData.Last)
if !msg.PLogMetaData.Last {
vars["CONTAINER_PARTIAL_MESSAGE"] = "true"
}
}
line := string(msg.Line)