Commit b73aa599 authored by Kubernetes Submit Queue's avatar Kubernetes Submit Queue Committed by GitHub

Merge pull request #32110 from soltysh/issue31009

Automatic merge from submit-queue Set Job's labels from PodTemplateSpec if none are specified Fixes #31009 and replaces #32033. @AdoHe I've picked your changes, added the additional ones for 'batch/v2alpha1' and most importantly added tests for job's defaulting. ptal
parents fdd3cf89 43612afa
...@@ -65,6 +65,8 @@ pkg/apis/authentication/install ...@@ -65,6 +65,8 @@ pkg/apis/authentication/install
pkg/apis/authorization/install pkg/apis/authorization/install
pkg/apis/autoscaling/install pkg/apis/autoscaling/install
pkg/apis/batch/install pkg/apis/batch/install
pkg/apis/batch/v1
pkg/apis/batch/v2alpha1
pkg/apis/certificates/install pkg/apis/certificates/install
pkg/apis/componentconfig/install pkg/apis/componentconfig/install
pkg/apis/extensions/install pkg/apis/extensions/install
......
...@@ -39,4 +39,8 @@ func SetDefaults_Job(obj *Job) { ...@@ -39,4 +39,8 @@ func SetDefaults_Job(obj *Job) {
obj.Spec.Parallelism = new(int32) obj.Spec.Parallelism = new(int32)
*obj.Spec.Parallelism = 1 *obj.Spec.Parallelism = 1
} }
labels := obj.Spec.Template.Labels
if labels != nil && len(obj.Labels) == 0 {
obj.Labels = labels
}
} }
/*
Copyright 2016 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package v1_test
import (
"reflect"
"testing"
"k8s.io/kubernetes/pkg/api"
_ "k8s.io/kubernetes/pkg/api/install"
"k8s.io/kubernetes/pkg/api/v1"
_ "k8s.io/kubernetes/pkg/apis/batch/install"
. "k8s.io/kubernetes/pkg/apis/batch/v1"
"k8s.io/kubernetes/pkg/runtime"
)
func TestSetDefaultJob(t *testing.T) {
defaultLabels := map[string]string{"default": "default"}
tests := map[string]struct {
original *Job
expected *Job
expectLabels bool
}{
"both unspecified -> sets both to 1": {
original: &Job{
Spec: JobSpec{
Template: v1.PodTemplateSpec{
ObjectMeta: v1.ObjectMeta{Labels: defaultLabels},
},
},
},
expected: &Job{
Spec: JobSpec{
Completions: newInt32(1),
Parallelism: newInt32(1),
},
},
expectLabels: true,
},
"both unspecified -> sets both to 1 and no default labels": {
original: &Job{
ObjectMeta: v1.ObjectMeta{
Labels: map[string]string{"mylabel": "myvalue"},
},
Spec: JobSpec{
Template: v1.PodTemplateSpec{
ObjectMeta: v1.ObjectMeta{Labels: defaultLabels},
},
},
},
expected: &Job{
Spec: JobSpec{
Completions: newInt32(1),
Parallelism: newInt32(1),
},
},
},
"WQ: Parallelism explicitly 0 and completions unset -> no change": {
original: &Job{
Spec: JobSpec{
Parallelism: newInt32(0),
Template: v1.PodTemplateSpec{
ObjectMeta: v1.ObjectMeta{Labels: defaultLabels},
},
},
},
expected: &Job{
Spec: JobSpec{
Parallelism: newInt32(0),
},
},
expectLabels: true,
},
"WQ: Parallelism explicitly 2 and completions unset -> no change": {
original: &Job{
Spec: JobSpec{
Parallelism: newInt32(2),
Template: v1.PodTemplateSpec{
ObjectMeta: v1.ObjectMeta{Labels: defaultLabels},
},
},
},
expected: &Job{
Spec: JobSpec{
Parallelism: newInt32(2),
},
},
expectLabels: true,
},
"Completions explicitly 2 and parallelism unset -> parallelism is defaulted": {
original: &Job{
Spec: JobSpec{
Completions: newInt32(2),
Template: v1.PodTemplateSpec{
ObjectMeta: v1.ObjectMeta{Labels: defaultLabels},
},
},
},
expected: &Job{
Spec: JobSpec{
Completions: newInt32(2),
Parallelism: newInt32(1),
},
},
expectLabels: true,
},
"Both set -> no change": {
original: &Job{
Spec: JobSpec{
Completions: newInt32(10),
Parallelism: newInt32(11),
Template: v1.PodTemplateSpec{
ObjectMeta: v1.ObjectMeta{Labels: defaultLabels},
},
},
},
expected: &Job{
Spec: JobSpec{
Completions: newInt32(10),
Parallelism: newInt32(11),
Template: v1.PodTemplateSpec{
ObjectMeta: v1.ObjectMeta{Labels: defaultLabels},
},
},
},
expectLabels: true,
},
"Both set, flipped -> no change": {
original: &Job{
Spec: JobSpec{
Completions: newInt32(11),
Parallelism: newInt32(10),
Template: v1.PodTemplateSpec{
ObjectMeta: v1.ObjectMeta{Labels: defaultLabels},
},
},
},
expected: &Job{
Spec: JobSpec{
Completions: newInt32(11),
Parallelism: newInt32(10),
},
},
expectLabels: true,
},
}
for name, test := range tests {
original := test.original
expected := test.expected
obj2 := roundTrip(t, runtime.Object(original))
actual, ok := obj2.(*Job)
if !ok {
t.Errorf("%s: unexpected object: %v", name, actual)
t.FailNow()
}
if (actual.Spec.Completions == nil) != (expected.Spec.Completions == nil) {
t.Errorf("%s: got different *completions than expected: %v %v", name, actual.Spec.Completions, expected.Spec.Completions)
}
if actual.Spec.Completions != nil && expected.Spec.Completions != nil {
if *actual.Spec.Completions != *expected.Spec.Completions {
t.Errorf("%s: got different completions than expected: %d %d", name, *actual.Spec.Completions, *expected.Spec.Completions)
}
}
if (actual.Spec.Parallelism == nil) != (expected.Spec.Parallelism == nil) {
t.Errorf("%s: got different *Parallelism than expected: %v %v", name, actual.Spec.Parallelism, expected.Spec.Parallelism)
}
if actual.Spec.Parallelism != nil && expected.Spec.Parallelism != nil {
if *actual.Spec.Parallelism != *expected.Spec.Parallelism {
t.Errorf("%s: got different parallelism than expected: %d %d", name, *actual.Spec.Parallelism, *expected.Spec.Parallelism)
}
}
if test.expectLabels != reflect.DeepEqual(actual.Labels, actual.Spec.Template.Labels) {
if test.expectLabels {
t.Errorf("%s: expected: %v, got: %v", name, actual.Spec.Template.Labels, actual.Labels)
} else {
t.Errorf("%s: unexpected equality: %v", name, actual.Labels)
}
}
}
}
func roundTrip(t *testing.T, obj runtime.Object) runtime.Object {
data, err := runtime.Encode(api.Codecs.LegacyCodec(SchemeGroupVersion), obj)
if err != nil {
t.Errorf("%v\n %#v", err, obj)
return nil
}
obj2, err := runtime.Decode(api.Codecs.UniversalDecoder(), data)
if err != nil {
t.Errorf("%v\nData: %s\nSource: %#v", err, string(data), obj)
return nil
}
obj3 := reflect.New(reflect.TypeOf(obj).Elem()).Interface().(runtime.Object)
err = api.Scheme.Convert(obj2, obj3, nil)
if err != nil {
t.Errorf("%v\nSource: %#v", err, obj2)
return nil
}
return obj3
}
func newInt32(val int32) *int32 {
p := new(int32)
*p = val
return p
}
...@@ -40,6 +40,10 @@ func SetDefaults_Job(obj *Job) { ...@@ -40,6 +40,10 @@ func SetDefaults_Job(obj *Job) {
obj.Spec.Parallelism = new(int32) obj.Spec.Parallelism = new(int32)
*obj.Spec.Parallelism = 1 *obj.Spec.Parallelism = 1
} }
labels := obj.Spec.Template.Labels
if labels != nil && len(obj.Labels) == 0 {
obj.Labels = labels
}
} }
func SetDefaults_ScheduledJob(obj *ScheduledJob) { func SetDefaults_ScheduledJob(obj *ScheduledJob) {
......
/*
Copyright 2016 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package v2alpha1_test
import (
"reflect"
"testing"
"k8s.io/kubernetes/pkg/api"
_ "k8s.io/kubernetes/pkg/api/install"
"k8s.io/kubernetes/pkg/api/v1"
_ "k8s.io/kubernetes/pkg/apis/batch/install"
. "k8s.io/kubernetes/pkg/apis/batch/v2alpha1"
"k8s.io/kubernetes/pkg/runtime"
)
func TestSetDefaultJob(t *testing.T) {
defaultLabels := map[string]string{"default": "default"}
tests := map[string]struct {
original *Job
expected *Job
expectLabels bool
}{
"both unspecified -> sets both to 1": {
original: &Job{
Spec: JobSpec{
Template: v1.PodTemplateSpec{
ObjectMeta: v1.ObjectMeta{Labels: defaultLabels},
},
},
},
expected: &Job{
Spec: JobSpec{
Completions: newInt32(1),
Parallelism: newInt32(1),
},
},
expectLabels: true,
},
"both unspecified -> sets both to 1 and no default labels": {
original: &Job{
ObjectMeta: v1.ObjectMeta{
Labels: map[string]string{"mylabel": "myvalue"},
},
Spec: JobSpec{
Template: v1.PodTemplateSpec{
ObjectMeta: v1.ObjectMeta{Labels: defaultLabels},
},
},
},
expected: &Job{
Spec: JobSpec{
Completions: newInt32(1),
Parallelism: newInt32(1),
},
},
},
"WQ: Parallelism explicitly 0 and completions unset -> no change": {
original: &Job{
Spec: JobSpec{
Parallelism: newInt32(0),
Template: v1.PodTemplateSpec{
ObjectMeta: v1.ObjectMeta{Labels: defaultLabels},
},
},
},
expected: &Job{
Spec: JobSpec{
Parallelism: newInt32(0),
},
},
expectLabels: true,
},
"WQ: Parallelism explicitly 2 and completions unset -> no change": {
original: &Job{
Spec: JobSpec{
Parallelism: newInt32(2),
Template: v1.PodTemplateSpec{
ObjectMeta: v1.ObjectMeta{Labels: defaultLabels},
},
},
},
expected: &Job{
Spec: JobSpec{
Parallelism: newInt32(2),
},
},
expectLabels: true,
},
"Completions explicitly 2 and parallelism unset -> parallelism is defaulted": {
original: &Job{
Spec: JobSpec{
Completions: newInt32(2),
Template: v1.PodTemplateSpec{
ObjectMeta: v1.ObjectMeta{Labels: defaultLabels},
},
},
},
expected: &Job{
Spec: JobSpec{
Completions: newInt32(2),
Parallelism: newInt32(1),
},
},
expectLabels: true,
},
"Both set -> no change": {
original: &Job{
Spec: JobSpec{
Completions: newInt32(10),
Parallelism: newInt32(11),
Template: v1.PodTemplateSpec{
ObjectMeta: v1.ObjectMeta{Labels: defaultLabels},
},
},
},
expected: &Job{
Spec: JobSpec{
Completions: newInt32(10),
Parallelism: newInt32(11),
Template: v1.PodTemplateSpec{
ObjectMeta: v1.ObjectMeta{Labels: defaultLabels},
},
},
},
expectLabels: true,
},
"Both set, flipped -> no change": {
original: &Job{
Spec: JobSpec{
Completions: newInt32(11),
Parallelism: newInt32(10),
Template: v1.PodTemplateSpec{
ObjectMeta: v1.ObjectMeta{Labels: defaultLabels},
},
},
},
expected: &Job{
Spec: JobSpec{
Completions: newInt32(11),
Parallelism: newInt32(10),
},
},
expectLabels: true,
},
}
for name, test := range tests {
original := test.original
expected := test.expected
obj2 := roundTrip(t, runtime.Object(original))
actual, ok := obj2.(*Job)
if !ok {
t.Errorf("%s: unexpected object: %v", name, actual)
t.FailNow()
}
if (actual.Spec.Completions == nil) != (expected.Spec.Completions == nil) {
t.Errorf("%s: got different *completions than expected: %v %v", name, actual.Spec.Completions, expected.Spec.Completions)
}
if actual.Spec.Completions != nil && expected.Spec.Completions != nil {
if *actual.Spec.Completions != *expected.Spec.Completions {
t.Errorf("%s: got different completions than expected: %d %d", name, *actual.Spec.Completions, *expected.Spec.Completions)
}
}
if (actual.Spec.Parallelism == nil) != (expected.Spec.Parallelism == nil) {
t.Errorf("%s: got different *Parallelism than expected: %v %v", name, actual.Spec.Parallelism, expected.Spec.Parallelism)
}
if actual.Spec.Parallelism != nil && expected.Spec.Parallelism != nil {
if *actual.Spec.Parallelism != *expected.Spec.Parallelism {
t.Errorf("%s: got different parallelism than expected: %d %d", name, *actual.Spec.Parallelism, *expected.Spec.Parallelism)
}
}
if test.expectLabels != reflect.DeepEqual(actual.Labels, actual.Spec.Template.Labels) {
if test.expectLabels {
t.Errorf("%s: expected: %v, got: %v", name, actual.Spec.Template.Labels, actual.Labels)
} else {
t.Errorf("%s: unexpected equality: %v", name, actual.Labels)
}
}
}
}
func roundTrip(t *testing.T, obj runtime.Object) runtime.Object {
data, err := runtime.Encode(api.Codecs.LegacyCodec(SchemeGroupVersion), obj)
if err != nil {
t.Errorf("%v\n %#v", err, obj)
return nil
}
obj2, err := runtime.Decode(api.Codecs.UniversalDecoder(), data)
if err != nil {
t.Errorf("%v\nData: %s\nSource: %#v", err, string(data), obj)
return nil
}
obj3 := reflect.New(reflect.TypeOf(obj).Elem()).Interface().(runtime.Object)
err = api.Scheme.Convert(obj2, obj3, nil)
if err != nil {
t.Errorf("%v\nSource: %#v", err, obj2)
return nil
}
return obj3
}
func newInt32(val int32) *int32 {
p := new(int32)
*p = val
return p
}
...@@ -49,14 +49,8 @@ func ValidateGeneratedSelector(obj *batch.Job) field.ErrorList { ...@@ -49,14 +49,8 @@ func ValidateGeneratedSelector(obj *batch.Job) field.ErrorList {
allErrs = append(allErrs, field.Required(field.NewPath("metadata").Child("uid"), "")) allErrs = append(allErrs, field.Required(field.NewPath("metadata").Child("uid"), ""))
} }
// If somehow uid was unset then we would get "controller-uid=" as the selector
// which is bad.
if obj.ObjectMeta.UID == "" {
allErrs = append(allErrs, field.Required(field.NewPath("metadata").Child("uid"), ""))
}
// If selector generation was requested, then expected labels must be // If selector generation was requested, then expected labels must be
// present on pod template, and much match job's uid and name. The // present on pod template, and must match job's uid and name. The
// generated (not-manual) selectors/labels ensure no overlap with other // generated (not-manual) selectors/labels ensure no overlap with other
// controllers. The manual mode allows orphaning, adoption, // controllers. The manual mode allows orphaning, adoption,
// backward-compatibility, and experimentation with new // backward-compatibility, and experimentation with new
......
...@@ -280,15 +280,20 @@ func TestSetDefaultDeployment(t *testing.T) { ...@@ -280,15 +280,20 @@ func TestSetDefaultDeployment(t *testing.T) {
} }
} }
func TestSetDefaultJobParallelismAndCompletions(t *testing.T) { func TestSetDefaultJob(t *testing.T) {
tests := []struct { defaultLabels := map[string]string{"default": "default"}
original *Job tests := map[string]struct {
expected *Job original *Job
expected *Job
expectLabels bool
}{ }{
// both unspecified -> sets both to 1 "both unspecified -> sets both to 1": {
{
original: &Job{ original: &Job{
Spec: JobSpec{}, Spec: JobSpec{
Template: v1.PodTemplateSpec{
ObjectMeta: v1.ObjectMeta{Labels: defaultLabels},
},
},
}, },
expected: &Job{ expected: &Job{
Spec: JobSpec{ Spec: JobSpec{
...@@ -296,12 +301,33 @@ func TestSetDefaultJobParallelismAndCompletions(t *testing.T) { ...@@ -296,12 +301,33 @@ func TestSetDefaultJobParallelismAndCompletions(t *testing.T) {
Parallelism: newInt32(1), Parallelism: newInt32(1),
}, },
}, },
expectLabels: true,
}, },
// WQ: Parallelism explicitly 0 and completions unset -> no change "both unspecified -> sets both to 1 and no default labels": {
{ original: &Job{
ObjectMeta: v1.ObjectMeta{
Labels: map[string]string{"mylabel": "myvalue"},
},
Spec: JobSpec{
Template: v1.PodTemplateSpec{
ObjectMeta: v1.ObjectMeta{Labels: defaultLabels},
},
},
},
expected: &Job{
Spec: JobSpec{
Completions: newInt32(1),
Parallelism: newInt32(1),
},
},
},
"WQ: Parallelism explicitly 0 and completions unset -> no change": {
original: &Job{ original: &Job{
Spec: JobSpec{ Spec: JobSpec{
Parallelism: newInt32(0), Parallelism: newInt32(0),
Template: v1.PodTemplateSpec{
ObjectMeta: v1.ObjectMeta{Labels: defaultLabels},
},
}, },
}, },
expected: &Job{ expected: &Job{
...@@ -309,12 +335,15 @@ func TestSetDefaultJobParallelismAndCompletions(t *testing.T) { ...@@ -309,12 +335,15 @@ func TestSetDefaultJobParallelismAndCompletions(t *testing.T) {
Parallelism: newInt32(0), Parallelism: newInt32(0),
}, },
}, },
expectLabels: true,
}, },
// WQ: Parallelism explicitly 2 and completions unset -> no change "WQ: Parallelism explicitly 2 and completions unset -> no change": {
{
original: &Job{ original: &Job{
Spec: JobSpec{ Spec: JobSpec{
Parallelism: newInt32(2), Parallelism: newInt32(2),
Template: v1.PodTemplateSpec{
ObjectMeta: v1.ObjectMeta{Labels: defaultLabels},
},
}, },
}, },
expected: &Job{ expected: &Job{
...@@ -322,12 +351,15 @@ func TestSetDefaultJobParallelismAndCompletions(t *testing.T) { ...@@ -322,12 +351,15 @@ func TestSetDefaultJobParallelismAndCompletions(t *testing.T) {
Parallelism: newInt32(2), Parallelism: newInt32(2),
}, },
}, },
expectLabels: true,
}, },
// Completions explicitly 2 and parallelism unset -> parallelism is defaulted "Completions explicitly 2 and parallelism unset -> parallelism is defaulted": {
{
original: &Job{ original: &Job{
Spec: JobSpec{ Spec: JobSpec{
Completions: newInt32(2), Completions: newInt32(2),
Template: v1.PodTemplateSpec{
ObjectMeta: v1.ObjectMeta{Labels: defaultLabels},
},
}, },
}, },
expected: &Job{ expected: &Job{
...@@ -336,28 +368,37 @@ func TestSetDefaultJobParallelismAndCompletions(t *testing.T) { ...@@ -336,28 +368,37 @@ func TestSetDefaultJobParallelismAndCompletions(t *testing.T) {
Parallelism: newInt32(1), Parallelism: newInt32(1),
}, },
}, },
expectLabels: true,
}, },
// Both set -> no change "Both set -> no change": {
{
original: &Job{ original: &Job{
Spec: JobSpec{ Spec: JobSpec{
Completions: newInt32(10), Completions: newInt32(10),
Parallelism: newInt32(11), Parallelism: newInt32(11),
Template: v1.PodTemplateSpec{
ObjectMeta: v1.ObjectMeta{Labels: defaultLabels},
},
}, },
}, },
expected: &Job{ expected: &Job{
Spec: JobSpec{ Spec: JobSpec{
Completions: newInt32(10), Completions: newInt32(10),
Parallelism: newInt32(11), Parallelism: newInt32(11),
Template: v1.PodTemplateSpec{
ObjectMeta: v1.ObjectMeta{Labels: defaultLabels},
},
}, },
}, },
expectLabels: true,
}, },
// Both set, flipped -> no change "Both set, flipped -> no change": {
{
original: &Job{ original: &Job{
Spec: JobSpec{ Spec: JobSpec{
Completions: newInt32(11), Completions: newInt32(11),
Parallelism: newInt32(10), Parallelism: newInt32(10),
Template: v1.PodTemplateSpec{
ObjectMeta: v1.ObjectMeta{Labels: defaultLabels},
},
}, },
}, },
expected: &Job{ expected: &Job{
...@@ -366,32 +407,40 @@ func TestSetDefaultJobParallelismAndCompletions(t *testing.T) { ...@@ -366,32 +407,40 @@ func TestSetDefaultJobParallelismAndCompletions(t *testing.T) {
Parallelism: newInt32(10), Parallelism: newInt32(10),
}, },
}, },
expectLabels: true,
}, },
} }
for _, tc := range tests { for name, test := range tests {
original := tc.original original := test.original
expected := tc.expected expected := test.expected
obj2 := roundTrip(t, runtime.Object(original)) obj2 := roundTrip(t, runtime.Object(original))
got, ok := obj2.(*Job) actual, ok := obj2.(*Job)
if !ok { if !ok {
t.Errorf("unexpected object: %v", got) t.Errorf("%s: unexpected object: %v", name, actual)
t.FailNow() t.FailNow()
} }
if (got.Spec.Completions == nil) != (expected.Spec.Completions == nil) { if (actual.Spec.Completions == nil) != (expected.Spec.Completions == nil) {
t.Errorf("got different *completions than expected: %v %v", got.Spec.Completions, expected.Spec.Completions) t.Errorf("%s: got different *completions than expected: %v %v", name, actual.Spec.Completions, expected.Spec.Completions)
} }
if got.Spec.Completions != nil && expected.Spec.Completions != nil { if actual.Spec.Completions != nil && expected.Spec.Completions != nil {
if *got.Spec.Completions != *expected.Spec.Completions { if *actual.Spec.Completions != *expected.Spec.Completions {
t.Errorf("got different completions than expected: %d %d", *got.Spec.Completions, *expected.Spec.Completions) t.Errorf("%s: got different completions than expected: %d %d", name, *actual.Spec.Completions, *expected.Spec.Completions)
} }
} }
if (got.Spec.Parallelism == nil) != (expected.Spec.Parallelism == nil) { if (actual.Spec.Parallelism == nil) != (expected.Spec.Parallelism == nil) {
t.Errorf("got different *Parallelism than expected: %v %v", got.Spec.Parallelism, expected.Spec.Parallelism) t.Errorf("%s: got different *Parallelism than expected: %v %v", name, actual.Spec.Parallelism, expected.Spec.Parallelism)
}
if actual.Spec.Parallelism != nil && expected.Spec.Parallelism != nil {
if *actual.Spec.Parallelism != *expected.Spec.Parallelism {
t.Errorf("%s: got different parallelism than expected: %d %d", name, *actual.Spec.Parallelism, *expected.Spec.Parallelism)
}
} }
if got.Spec.Parallelism != nil && expected.Spec.Parallelism != nil { if test.expectLabels != reflect.DeepEqual(actual.Labels, actual.Spec.Template.Labels) {
if *got.Spec.Parallelism != *expected.Spec.Parallelism { if test.expectLabels {
t.Errorf("got different parallelism than expected: %d %d", *got.Spec.Parallelism, *expected.Spec.Parallelism) t.Errorf("%s: expected: %v, got: %v", name, actual.Spec.Template.Labels, actual.Labels)
} else {
t.Errorf("%s: unexpected equality: %v", name, actual.Labels)
} }
} }
} }
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment