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Return nice client-side message for docker logs

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Signed-off-by: Alexander Morozov <lk4d4@docker.com>
This commit is contained in:
Alexander Morozov 2015-11-06 11:40:48 -08:00
parent cc207aa136
commit e37e329074
2 changed files with 13 additions and 3 deletions
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10
api/client/logs.go
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@ -2,6 +2,7 @@ package client
import (
"encoding/json"
"fmt"
"net/url"
"time"
@ -11,6 +12,11 @@ import (
"github.com/docker/docker/pkg/timeutils"
)
var validDrivers = map[string]bool{
"json-file": true,
"journald": true,
}
// CmdLogs fetches the logs of a given container.
//
// docker logs [OPTIONS] CONTAINER
@ -36,6 +42,10 @@ func (cli *DockerCli) CmdLogs(args ...string) error {
return err
}
if !validDrivers[c.HostConfig.LogConfig.Type] {
return fmt.Errorf("\"logs\" command is supported only for \"json-file\" and \"journald\" logging drivers (got: %s)", c.HostConfig.LogConfig.Type)
}
v := url.Values{}
v.Set("stdout", "1")
v.Set("stderr", "1")

6
integration-cli/docker_cli_daemon_test.go
View file

@ -1242,10 +1242,10 @@ func (s *DockerDaemonSuite) TestDaemonLoggingDriverNoneLogsError(c *check.C) {
}
id := strings.TrimSpace(out)
out, err = s.d.Cmd("logs", id)
if err != nil {
c.Fatalf("Logs request should be sent and then fail with \"none\" driver")
if err == nil {
c.Fatalf("Logs should fail with 'none' driver")
}
if !strings.Contains(out, `Error running logs job: Failed to get logging factory: logger: no log driver named 'none' is registered`) {
if !strings.Contains(out, `"logs" command is supported only for "json-file" and "journald" logging drivers (got: none)`) {
c.Fatalf("There should be an error about none not being a recognized log driver, got: %s", out)
}
}