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Fix panic while merging log configs to nil map 

Signed-off-by: Brian Goff <cpuguy83@gmail.com>
(cherry picked from commit 7dff31064824ed1f9b046fe5c29bd707e663ee0b)
Signed-off-by: Tibor Vass <tibor@docker.com>
This commit is contained in:
Brian Goff 2016-07-12 15:05:44 -04:00 committed by Tibor Vass
parent 98b155379b
commit 31d24fa6a9
2 changed files with 19 additions and 0 deletions
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4
daemon/logs.go
View File

@ -150,6 +150,10 @@ func (daemon *Daemon) mergeAndVerifyLogConfig(cfg *containertypes.LogConfig) err
cfg.Type = daemon.defaultLogConfig.Type
}
if cfg.Config == nil {
cfg.Config = make(map[string]string)
}
if cfg.Type == daemon.defaultLogConfig.Type {
for k, v := range daemon.defaultLogConfig.Config {
if _, ok := cfg.Config[k]; !ok {

15
daemon/logs_test.go Normal file
View File

@ -0,0 +1,15 @@
package daemon
import (
"testing"
containertypes "github.com/docker/engine-api/types/container"
)
func TestMergeAndVerifyLogConfigNilConfig(t *testing.T) {
d := &Daemon{defaultLogConfig: containertypes.LogConfig{Type: "json-file", Config: map[string]string{"max-file": "1"}}}
cfg := containertypes.LogConfig{Type: d.defaultLogConfig.Type}
if err := d.mergeAndVerifyLogConfig(&cfg); err != nil {
t.Fatal(err)
}
}