235 lines
7.7 KiB
Go
235 lines
7.7 KiB
Go
/*
|
|
Copyright 2021 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 utils
|
|
|
|
import (
|
|
"testing"
|
|
|
|
"github.com/stretchr/testify/assert"
|
|
apiv1 "k8s.io/api/core/v1"
|
|
"k8s.io/autoscaler/cluster-autoscaler/utils/test"
|
|
)
|
|
|
|
func TestPodSpecSemanticallyEqual(t *testing.T) {
|
|
projectedSAVol := test.BuildServiceTokenProjectedVolumeSource("path")
|
|
|
|
tests := []struct {
|
|
name string
|
|
p1Spec apiv1.PodSpec
|
|
p2Spec apiv1.PodSpec
|
|
result bool
|
|
}{
|
|
{
|
|
name: "two pods with projected volume sources",
|
|
p1Spec: apiv1.PodSpec{
|
|
Volumes: []apiv1.Volume{
|
|
{Name: "projected1", VolumeSource: apiv1.VolumeSource{Projected: projectedSAVol}},
|
|
},
|
|
},
|
|
p2Spec: apiv1.PodSpec{
|
|
Volumes: []apiv1.Volume{
|
|
{Name: "projected2", VolumeSource: apiv1.VolumeSource{Projected: projectedSAVol}},
|
|
},
|
|
},
|
|
result: true,
|
|
},
|
|
{
|
|
name: "two pods with different ENV",
|
|
p1Spec: apiv1.PodSpec{
|
|
Containers: []apiv1.Container{
|
|
{Env: []apiv1.EnvVar{{Name: "foo", Value: "bar"}}},
|
|
},
|
|
InitContainers: []apiv1.Container{
|
|
{Env: []apiv1.EnvVar{{Name: "foo", Value: "bar"}}},
|
|
},
|
|
},
|
|
p2Spec: apiv1.PodSpec{
|
|
Containers: []apiv1.Container{
|
|
{Env: []apiv1.EnvVar{{Name: "baz", Value: "foo"}}},
|
|
},
|
|
InitContainers: []apiv1.Container{
|
|
{Env: []apiv1.EnvVar{{Name: "baz", Value: "bar"}}},
|
|
},
|
|
},
|
|
result: true,
|
|
},
|
|
{
|
|
name: "two pods with different volumes",
|
|
p1Spec: apiv1.PodSpec{
|
|
Volumes: []apiv1.Volume{
|
|
{Name: "vol1", VolumeSource: apiv1.VolumeSource{EmptyDir: &apiv1.EmptyDirVolumeSource{Medium: ""}}},
|
|
},
|
|
},
|
|
p2Spec: apiv1.PodSpec{
|
|
Volumes: []apiv1.Volume{
|
|
{Name: "vol2", VolumeSource: apiv1.VolumeSource{EmptyDir: &apiv1.EmptyDirVolumeSource{Medium: ""}}},
|
|
},
|
|
},
|
|
result: false,
|
|
},
|
|
{
|
|
name: "two pod different containers",
|
|
p1Spec: apiv1.PodSpec{
|
|
Containers: []apiv1.Container{
|
|
{Image: "foo/bar", Name: "foobar"},
|
|
},
|
|
},
|
|
p2Spec: apiv1.PodSpec{
|
|
Containers: []apiv1.Container{
|
|
{Image: "foo/baz", Name: "foobaz"},
|
|
},
|
|
},
|
|
result: false,
|
|
},
|
|
{
|
|
name: "two pods with different hostnames",
|
|
p1Spec: apiv1.PodSpec{
|
|
Hostname: "foo",
|
|
},
|
|
p2Spec: apiv1.PodSpec{
|
|
Hostname: "bar",
|
|
},
|
|
result: true,
|
|
},
|
|
}
|
|
|
|
for _, tt := range tests {
|
|
t.Run(tt.name, func(t *testing.T) {
|
|
result := PodSpecSemanticallyEqual(tt.p1Spec, tt.p2Spec)
|
|
assert.Equal(t, tt.result, result)
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestSanitizePodSpec(t *testing.T) {
|
|
projectedSAVol := test.BuildServiceTokenProjectedVolumeSource("path")
|
|
|
|
tests := []struct {
|
|
name string
|
|
inputPodSpec apiv1.PodSpec
|
|
outputPodSpec apiv1.PodSpec
|
|
}{
|
|
{
|
|
name: "pod spec with only projected volumes",
|
|
inputPodSpec: apiv1.PodSpec{
|
|
NodeSelector: map[string]string{"foo": "bar"},
|
|
Volumes: []apiv1.Volume{
|
|
{Name: "projected1", VolumeSource: apiv1.VolumeSource{Projected: projectedSAVol}},
|
|
{Name: "projected2", VolumeSource: apiv1.VolumeSource{Projected: projectedSAVol}},
|
|
},
|
|
Containers: []apiv1.Container{
|
|
{Image: "foo/bar", Name: "foobar", VolumeMounts: []apiv1.VolumeMount{{Name: "projected1"}}},
|
|
},
|
|
InitContainers: []apiv1.Container{
|
|
{Image: "foo/baz", Name: "foobaz", VolumeMounts: []apiv1.VolumeMount{{Name: "projected2"}}},
|
|
},
|
|
},
|
|
outputPodSpec: apiv1.PodSpec{
|
|
NodeSelector: map[string]string{"foo": "bar"},
|
|
Containers: []apiv1.Container{
|
|
{Image: "foo/bar", Name: "foobar"},
|
|
},
|
|
InitContainers: []apiv1.Container{
|
|
{Image: "foo/baz", Name: "foobaz"},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "pod spec with only non-projected volumes",
|
|
inputPodSpec: apiv1.PodSpec{
|
|
NodeSelector: map[string]string{"foo": "bar"},
|
|
Volumes: []apiv1.Volume{
|
|
{Name: "volume-nz94a", VolumeSource: apiv1.VolumeSource{FlexVolume: &apiv1.FlexVolumeSource{Driver: "testDriver"}}},
|
|
{Name: "volume-nz94b", VolumeSource: apiv1.VolumeSource{FlexVolume: &apiv1.FlexVolumeSource{Driver: "testDriver"}}},
|
|
},
|
|
Containers: []apiv1.Container{
|
|
{Image: "foo/bar", Name: "foobar", VolumeMounts: []apiv1.VolumeMount{{Name: "volume-nz94a"}}},
|
|
{Image: "foo/baz", Name: "foo/baz", VolumeMounts: []apiv1.VolumeMount{{Name: "volume-nz94b"}}},
|
|
},
|
|
},
|
|
outputPodSpec: apiv1.PodSpec{
|
|
NodeSelector: map[string]string{"foo": "bar"},
|
|
Volumes: []apiv1.Volume{
|
|
{Name: "volume-nz94a", VolumeSource: apiv1.VolumeSource{FlexVolume: &apiv1.FlexVolumeSource{Driver: "testDriver"}}},
|
|
{Name: "volume-nz94b", VolumeSource: apiv1.VolumeSource{FlexVolume: &apiv1.FlexVolumeSource{Driver: "testDriver"}}},
|
|
},
|
|
Containers: []apiv1.Container{
|
|
{Image: "foo/bar", Name: "foobar", VolumeMounts: []apiv1.VolumeMount{{Name: "volume-nz94a"}}},
|
|
{Image: "foo/baz", Name: "foo/baz", VolumeMounts: []apiv1.VolumeMount{{Name: "volume-nz94b"}}},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "pod spec with a mix of volume types",
|
|
inputPodSpec: apiv1.PodSpec{
|
|
NodeSelector: map[string]string{"foo": "bar"},
|
|
Volumes: []apiv1.Volume{
|
|
{Name: "volume-nz94b", VolumeSource: apiv1.VolumeSource{FlexVolume: &apiv1.FlexVolumeSource{Driver: "testDriver"}}},
|
|
{Name: "kube-api-access-nz94a", VolumeSource: apiv1.VolumeSource{Projected: projectedSAVol}},
|
|
{Name: "projected2", VolumeSource: apiv1.VolumeSource{Projected: projectedSAVol}},
|
|
{Name: "empty-dir", VolumeSource: apiv1.VolumeSource{EmptyDir: &apiv1.EmptyDirVolumeSource{Medium: ""}}},
|
|
},
|
|
Containers: []apiv1.Container{
|
|
{Image: "foo/bar", Name: "foobar", VolumeMounts: []apiv1.VolumeMount{{Name: "kube-api-access-nz94a"}}},
|
|
{Image: "foo/baz", Name: "foo/baz", VolumeMounts: []apiv1.VolumeMount{{Name: "volume-nz94b"}, {Name: "kube-api-access-nz94a"}, {Name: "empty-dir"}, {Name: "projected2"}}},
|
|
{Image: "foo/qux", Name: "foo/qux"},
|
|
},
|
|
},
|
|
outputPodSpec: apiv1.PodSpec{
|
|
NodeSelector: map[string]string{"foo": "bar"},
|
|
Volumes: []apiv1.Volume{
|
|
{Name: "volume-nz94b", VolumeSource: apiv1.VolumeSource{FlexVolume: &apiv1.FlexVolumeSource{Driver: "testDriver"}}},
|
|
{Name: "empty-dir", VolumeSource: apiv1.VolumeSource{EmptyDir: &apiv1.EmptyDirVolumeSource{Medium: ""}}},
|
|
},
|
|
Containers: []apiv1.Container{
|
|
{Image: "foo/bar", Name: "foobar"},
|
|
{Image: "foo/baz", Name: "foo/baz", VolumeMounts: []apiv1.VolumeMount{{Name: "volume-nz94b"}, {Name: "empty-dir"}}},
|
|
{Image: "foo/qux", Name: "foo/qux"},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "pod spec with env",
|
|
inputPodSpec: apiv1.PodSpec{
|
|
NodeSelector: map[string]string{"foo": "bar"},
|
|
Containers: []apiv1.Container{
|
|
{Image: "foo/bar", Name: "foobar", Env: []apiv1.EnvVar{{Name: "foo", Value: "bar"}}},
|
|
},
|
|
InitContainers: []apiv1.Container{
|
|
{Image: "foo/baz", Name: "foobaz", Env: []apiv1.EnvVar{{Name: "foo2", Value: "bar2"}}},
|
|
},
|
|
},
|
|
outputPodSpec: apiv1.PodSpec{
|
|
NodeSelector: map[string]string{"foo": "bar"},
|
|
Containers: []apiv1.Container{
|
|
{Image: "foo/bar", Name: "foobar"},
|
|
},
|
|
InitContainers: []apiv1.Container{
|
|
{Image: "foo/baz", Name: "foobaz"},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
|
|
for _, tt := range tests {
|
|
t.Run(tt.name, func(t *testing.T) {
|
|
got := sanitizePodSpec(tt.inputPodSpec)
|
|
assert.True(t, assert.ObjectsAreEqualValues(tt.outputPodSpec, got), "\ngot: %#v\nwant: %#v", got, tt.outputPodSpec)
|
|
})
|
|
}
|
|
}
|