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Updated docker logs timestamp to RFC3339

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Currently the docker logs timestamp flag generates log entries like:

    $ sudo docker logs -ft daemon_dave
    [May 10 13:06:17.934] hello world

It uses Go's StampMilli timestamp to generate the timestamp. The entry
is also wrapped in [ ].

This is non-standard operational timestamp and one that will require
custom parsing.

The new timestamp is RFC3999Nano and generates entries like:

    2014-05-10T17:42:14.999999999Z07:00 hello world

These are readily parsed by tools like ELK.

Docker-DCO-1.1-Signed-off-by: James Turnbull <james@lovedthanlost.net> (github: jamtur01)

Docker-DCO-1.1-Signed-off-by: Tibor Vass <teabee89@gmail.com> (github: tiborvass)
This commit is contained in:
James Turnbull 2014-05-10 18:51:16 +02:00 committed by Tibor Vass
parent 65a5dde38b
commit aa0eca03e6
5 changed files with 20 additions and 16 deletions
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2
api/client/commands.go
View file

@ -1616,7 +1616,7 @@ func (cli *DockerCli) CmdEvents(args ...string) error {
loc = time.FixedZone(time.Now().Zone()) loc = time.FixedZone(time.Now().Zone())
) )
var setTime = func(key, value string) { var setTime = func(key, value string) {
format := "2006-01-02 15:04:05 -0700 MST" format := time.RFC3339Nano
if len(value) < len(format) { if len(value) < len(format) {
format = format[:len(value)] format = format[:len(value)]
} }

24
docs/sources/reference/commandline/cli.md
View file

@ -425,24 +425,24 @@ You'll need two shells for this example.
**Shell 1: (Again .. now showing events):** **Shell 1: (Again .. now showing events):**
[2013-09-03 15:49:26 +0200 CEST] 4386fb97867d: (from 12de384bfb10) start 2014-05-10T17:42:14.999999999Z07:00 4386fb97867d: (from 12de384bfb10) start
[2013-09-03 15:49:29 +0200 CEST] 4386fb97867d: (from 12de384bfb10) die 2014-05-10T17:42:14.999999999Z07:00 4386fb97867d: (from 12de384bfb10) die
[2013-09-03 15:49:29 +0200 CEST] 4386fb97867d: (from 12de384bfb10) stop 2014-05-10T17:42:14.999999999Z07:00 4386fb97867d: (from 12de384bfb10) stop
**Show events in the past from a specified time:** **Show events in the past from a specified time:**
$ sudo docker events --since 1378216169 $ sudo docker events --since 1378216169
[2013-09-03 15:49:29 +0200 CEST] 4386fb97867d: (from 12de384bfb10) die 2014-03-10T17:42:14.999999999Z07:00 4386fb97867d: (from 12de384bfb10) die
[2013-09-03 15:49:29 +0200 CEST] 4386fb97867d: (from 12de384bfb10) stop 2014-03-10T17:42:14.999999999Z07:00 4386fb97867d: (from 12de384bfb10) stop
$ sudo docker events --since '2013-09-03' $ sudo docker events --since '2013-09-03'
[2013-09-03 15:49:26 +0200 CEST] 4386fb97867d: (from 12de384bfb10) start 2014-09-03T17:42:14.999999999Z07:00 4386fb97867d: (from 12de384bfb10) start
[2013-09-03 15:49:29 +0200 CEST] 4386fb97867d: (from 12de384bfb10) die 2014-09-03T17:42:14.999999999Z07:00 4386fb97867d: (from 12de384bfb10) die
[2013-09-03 15:49:29 +0200 CEST] 4386fb97867d: (from 12de384bfb10) stop 2014-09-03T17:42:14.999999999Z07:00 4386fb97867d: (from 12de384bfb10) stop
$ sudo docker events --since '2013-09-03 15:49:29 +0200 CEST' $ sudo docker events --since '2013-09-03 15:49:29 +0200 CEST'
[2013-09-03 15:49:29 +0200 CEST] 4386fb97867d: (from 12de384bfb10) die 2014-09-03T15:49:29.999999999Z07:00 4386fb97867d: (from 12de384bfb10) die
[2013-09-03 15:49:29 +0200 CEST] 4386fb97867d: (from 12de384bfb10) stop 2014-09-03T15:49:29.999999999Z07:00 4386fb97867d: (from 12de384bfb10) stop
## export ## export
@ -750,6 +750,10 @@ the container's `STDOUT` and `STDERR`.
Passing a negative number or a non-integer to `--tail` is invalid and the Passing a negative number or a non-integer to `--tail` is invalid and the
value is set to `all` in that case. This behavior may change in the future. value is set to `all` in that case. This behavior may change in the future.
The `docker logs --timestamp` commands will add an RFC3339Nano
timestamp, for example `2014-05-10T17:42:14.999999999Z07:00`, to each
log entry.
## port ## port
Usage: docker port CONTAINER PRIVATE_PORT Usage: docker port CONTAINER PRIVATE_PORT

4
integration-cli/docker_cli_logs_test.go
View file

@ -98,11 +98,11 @@ func TestLogsTimestamps(t *testing.T) {
t.Fatalf("Expected log %d lines, received %d\n", testLen+1, len(lines)) t.Fatalf("Expected log %d lines, received %d\n", testLen+1, len(lines))
} }
ts := regexp.MustCompile(`^\[.*?\]`) ts := regexp.MustCompile(`^.* `)
for _, l := range lines { for _, l := range lines {
if l != "" { if l != "" {
_, err := time.Parse("["+time.StampMilli+"]", ts.FindString(l)) _, err := time.Parse(time.RFC3339Nano+" ", ts.FindString(l))
if err != nil { if err != nil {
t.Fatalf("Failed to parse timestamp from %v: %v", l, err) t.Fatalf("Failed to parse timestamp from %v: %v", l, err)
} }

4
server/server.go
View file

@ -2212,7 +2212,7 @@ func (srv *Server) ContainerLogs(job *engine.Job) engine.Status {
return job.Errorf("You must choose at least one stream") return job.Errorf("You must choose at least one stream")
} }
if times { if times {
format = time.StampMilli format = time.RFC3339Nano
} }
if tail == "" { if tail == "" {
tail = "all" tail = "all"
@ -2277,7 +2277,7 @@ func (srv *Server) ContainerLogs(job *engine.Job) engine.Status {
} }
logLine := l.Log logLine := l.Log
if times { if times {
logLine = fmt.Sprintf("[%s] %s", l.Created.Format(format), logLine) logLine = fmt.Sprintf("%s %s", l.Created.Format(format), logLine)
} }
if l.Stream == "stdout" && stdout { if l.Stream == "stdout" && stdout {
fmt.Fprintf(job.Stdout, "%s", logLine) fmt.Fprintf(job.Stdout, "%s", logLine)

2
utils/jsonmessage.go
View file

@ -95,7 +95,7 @@ func (jm *JSONMessage) Display(out io.Writer, isTerminal bool) error {
return nil return nil
} }
if jm.Time != 0 { if jm.Time != 0 {
fmt.Fprintf(out, "[%s] ", time.Unix(jm.Time, 0)) fmt.Fprintf(out, "%s ", time.Unix(jm.Time, 0).Format(time.RFC3339Nano))
} }
if jm.ID != "" { if jm.ID != "" {
fmt.Fprintf(out, "%s: ", jm.ID) fmt.Fprintf(out, "%s: ", jm.ID)