kubernetes/pkg/api/pod/warnings_test.go

1060 lines
37 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 pod
import (
"context"
"testing"
"k8s.io/apimachinery/pkg/api/resource"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/sets"
api "k8s.io/kubernetes/pkg/apis/core"
utilpointer "k8s.io/utils/pointer"
)
func BenchmarkNoWarnings(b *testing.B) {
ctx := context.TODO()
resources := api.ResourceList{
api.ResourceCPU: resource.MustParse("100m"),
api.ResourceMemory: resource.MustParse("4M"),
api.ResourceEphemeralStorage: resource.MustParse("4G"),
}
env := []api.EnvVar{
{Name: "a"},
{Name: "b"},
}
pod := &api.Pod{
ObjectMeta: metav1.ObjectMeta{
Annotations: map[string]string{`foo`: `bar`},
},
Spec: api.PodSpec{
NodeSelector: map[string]string{"foo": "bar", "baz": "quux"},
Affinity: &api.Affinity{
NodeAffinity: &api.NodeAffinity{
RequiredDuringSchedulingIgnoredDuringExecution: &api.NodeSelector{
NodeSelectorTerms: []api.NodeSelectorTerm{
{MatchExpressions: []api.NodeSelectorRequirement{{Key: `foo`}}},
},
},
PreferredDuringSchedulingIgnoredDuringExecution: []api.PreferredSchedulingTerm{
{Preference: api.NodeSelectorTerm{MatchExpressions: []api.NodeSelectorRequirement{{Key: `foo`}}}},
},
},
},
TopologySpreadConstraints: []api.TopologySpreadConstraint{
{TopologyKey: `foo`},
},
HostAliases: []api.HostAlias{
{IP: "1.1.1.1"},
{IP: "2.2.2.2"},
},
ImagePullSecrets: []api.LocalObjectReference{
{Name: "secret1"},
{Name: "secret2"},
},
InitContainers: []api.Container{
{Name: "init1", Env: env, Resources: api.ResourceRequirements{Requests: resources, Limits: resources}},
{Name: "init2", Env: env, Resources: api.ResourceRequirements{Requests: resources, Limits: resources}},
},
Containers: []api.Container{
{Name: "container1", Env: env, Resources: api.ResourceRequirements{Requests: resources, Limits: resources}},
{Name: "container2", Env: env, Resources: api.ResourceRequirements{Requests: resources, Limits: resources}},
},
Overhead: resources,
Volumes: []api.Volume{
{Name: "a"},
{Name: "b"},
},
},
}
oldPod := &api.Pod{}
b.ResetTimer()
for i := 0; i < b.N; i++ {
w := GetWarningsForPod(ctx, pod, oldPod)
if len(w) > 0 {
b.Fatalf("expected 0 warnings, got %q", w)
}
}
}
func BenchmarkWarnings(b *testing.B) {
ctx := context.TODO()
resources := api.ResourceList{
api.ResourceCPU: resource.MustParse("100m"),
api.ResourceMemory: resource.MustParse("4m"),
api.ResourceEphemeralStorage: resource.MustParse("4m"),
}
env := []api.EnvVar{
{Name: "a"},
{Name: "a"},
}
pod := &api.Pod{
Spec: api.PodSpec{
HostAliases: []api.HostAlias{
{IP: "1.1.1.1"},
{IP: "1.1.1.1"},
},
ImagePullSecrets: []api.LocalObjectReference{
{Name: "secret1"},
{Name: "secret1"},
{Name: ""},
},
InitContainers: []api.Container{
{Name: "init1", Env: env, Resources: api.ResourceRequirements{Requests: resources, Limits: resources}},
{Name: "init2", Env: env, Resources: api.ResourceRequirements{Requests: resources, Limits: resources}},
},
Containers: []api.Container{
{Name: "container1", Env: env, Resources: api.ResourceRequirements{Requests: resources, Limits: resources}},
{Name: "container2", Env: env, Resources: api.ResourceRequirements{Requests: resources, Limits: resources}},
},
Overhead: resources,
Volumes: []api.Volume{
{Name: "a"},
{Name: "a"},
},
},
}
oldPod := &api.Pod{}
b.ResetTimer()
for i := 0; i < b.N; i++ {
GetWarningsForPod(ctx, pod, oldPod)
}
}
func TestWarnings(t *testing.T) {
resources := api.ResourceList{
api.ResourceCPU: resource.MustParse("100m"),
api.ResourceMemory: resource.MustParse("4m"),
api.ResourceEphemeralStorage: resource.MustParse("4m"),
}
testcases := []struct {
name string
template *api.PodTemplateSpec
oldTemplate *api.PodTemplateSpec
expected []string
}{
{
name: "null",
template: nil,
expected: nil,
},
{
name: "photon",
template: &api.PodTemplateSpec{Spec: api.PodSpec{
Volumes: []api.Volume{
{Name: "p", VolumeSource: api.VolumeSource{PhotonPersistentDisk: &api.PhotonPersistentDiskVolumeSource{}}},
}},
},
expected: []string{`spec.volumes[0].photonPersistentDisk: deprecated in v1.11, non-functional in v1.16+`},
},
{
name: "gitRepo",
template: &api.PodTemplateSpec{Spec: api.PodSpec{
Volumes: []api.Volume{
{Name: "s", VolumeSource: api.VolumeSource{GitRepo: &api.GitRepoVolumeSource{}}},
}},
},
expected: []string{`spec.volumes[0].gitRepo: deprecated in v1.11`},
},
{
name: "scaleIO",
template: &api.PodTemplateSpec{Spec: api.PodSpec{
Volumes: []api.Volume{
{Name: "s", VolumeSource: api.VolumeSource{ScaleIO: &api.ScaleIOVolumeSource{}}},
}},
},
expected: []string{`spec.volumes[0].scaleIO: deprecated in v1.16, non-functional in v1.22+`},
},
{
name: "flocker",
template: &api.PodTemplateSpec{Spec: api.PodSpec{
Volumes: []api.Volume{
{Name: "s", VolumeSource: api.VolumeSource{Flocker: &api.FlockerVolumeSource{}}},
}},
},
expected: []string{`spec.volumes[0].flocker: deprecated in v1.22, non-functional in v1.25+`},
},
{
name: "storageOS",
template: &api.PodTemplateSpec{Spec: api.PodSpec{
Volumes: []api.Volume{
{Name: "s", VolumeSource: api.VolumeSource{StorageOS: &api.StorageOSVolumeSource{}}},
}},
},
expected: []string{`spec.volumes[0].storageOS: deprecated in v1.22, non-functional in v1.25+`},
},
{
name: "quobyte",
template: &api.PodTemplateSpec{Spec: api.PodSpec{
Volumes: []api.Volume{
{Name: "s", VolumeSource: api.VolumeSource{Quobyte: &api.QuobyteVolumeSource{}}},
}},
},
expected: []string{`spec.volumes[0].quobyte: deprecated in v1.22, non-functional in v1.25+`},
},
{
name: "glusterfs",
template: &api.PodTemplateSpec{Spec: api.PodSpec{
Volumes: []api.Volume{
{Name: "s", VolumeSource: api.VolumeSource{Glusterfs: &api.GlusterfsVolumeSource{}}},
}},
},
expected: []string{`spec.volumes[0].glusterfs: deprecated in v1.25, non-functional in v1.26+`},
},
{
name: "duplicate hostAlias",
template: &api.PodTemplateSpec{Spec: api.PodSpec{
HostAliases: []api.HostAlias{
{IP: "1.1.1.1"},
{IP: "1.1.1.1"},
{IP: "1.1.1.1"},
}},
},
expected: []string{
`spec.hostAliases[1].ip: duplicate ip "1.1.1.1"`,
`spec.hostAliases[2].ip: duplicate ip "1.1.1.1"`,
},
},
{
name: "duplicate imagePullSecret",
template: &api.PodTemplateSpec{Spec: api.PodSpec{
ImagePullSecrets: []api.LocalObjectReference{
{Name: "a"},
{Name: "a"},
{Name: "a"},
}},
},
expected: []string{
`spec.imagePullSecrets[1].name: duplicate name "a"`,
`spec.imagePullSecrets[2].name: duplicate name "a"`,
},
},
{
name: "empty imagePullSecret",
template: &api.PodTemplateSpec{Spec: api.PodSpec{
ImagePullSecrets: []api.LocalObjectReference{
{Name: ""},
}},
},
expected: []string{
`spec.imagePullSecrets[0].name: invalid empty name ""`,
},
},
{
name: "duplicate volume",
template: &api.PodTemplateSpec{Spec: api.PodSpec{
Volumes: []api.Volume{
{Name: "a"},
{Name: "a"},
{Name: "a"},
}},
},
expected: []string{
`spec.volumes[1].name: duplicate name "a"`,
`spec.volumes[2].name: duplicate name "a"`,
},
},
{
name: "duplicate env",
template: &api.PodTemplateSpec{Spec: api.PodSpec{
InitContainers: []api.Container{{Env: []api.EnvVar{
{Name: "a"},
{Name: "a"},
{Name: "a"},
}}},
Containers: []api.Container{{Env: []api.EnvVar{
{Name: "b"},
{Name: "b"},
{Name: "b"},
}}},
}},
expected: []string{
`spec.initContainers[0].env[1].name: duplicate name "a"`,
`spec.initContainers[0].env[2].name: duplicate name "a"`,
`spec.containers[0].env[1].name: duplicate name "b"`,
`spec.containers[0].env[2].name: duplicate name "b"`,
},
},
{
name: "fractional resources",
template: &api.PodTemplateSpec{Spec: api.PodSpec{
InitContainers: []api.Container{{
Resources: api.ResourceRequirements{Requests: resources, Limits: resources},
}},
Containers: []api.Container{{
Resources: api.ResourceRequirements{Requests: resources, Limits: resources},
}},
Overhead: resources,
}},
expected: []string{
`spec.initContainers[0].resources.requests[ephemeral-storage]: fractional byte value "4m" is invalid, must be an integer`,
`spec.initContainers[0].resources.requests[memory]: fractional byte value "4m" is invalid, must be an integer`,
`spec.initContainers[0].resources.limits[ephemeral-storage]: fractional byte value "4m" is invalid, must be an integer`,
`spec.initContainers[0].resources.limits[memory]: fractional byte value "4m" is invalid, must be an integer`,
`spec.containers[0].resources.requests[ephemeral-storage]: fractional byte value "4m" is invalid, must be an integer`,
`spec.containers[0].resources.requests[memory]: fractional byte value "4m" is invalid, must be an integer`,
`spec.containers[0].resources.limits[ephemeral-storage]: fractional byte value "4m" is invalid, must be an integer`,
`spec.containers[0].resources.limits[memory]: fractional byte value "4m" is invalid, must be an integer`,
`spec.overhead[ephemeral-storage]: fractional byte value "4m" is invalid, must be an integer`,
`spec.overhead[memory]: fractional byte value "4m" is invalid, must be an integer`,
},
},
{
name: "node labels in nodeSelector",
template: &api.PodTemplateSpec{Spec: api.PodSpec{
NodeSelector: map[string]string{
`beta.kubernetes.io/arch`: `true`,
`beta.kubernetes.io/os`: `true`,
`failure-domain.beta.kubernetes.io/region`: `true`,
`failure-domain.beta.kubernetes.io/zone`: `true`,
`beta.kubernetes.io/instance-type`: `true`,
},
}},
expected: []string{
`spec.nodeSelector[beta.kubernetes.io/arch]: deprecated since v1.14; use "kubernetes.io/arch" instead`,
`spec.nodeSelector[beta.kubernetes.io/instance-type]: deprecated since v1.17; use "node.kubernetes.io/instance-type" instead`,
`spec.nodeSelector[beta.kubernetes.io/os]: deprecated since v1.14; use "kubernetes.io/os" instead`,
`spec.nodeSelector[failure-domain.beta.kubernetes.io/region]: deprecated since v1.17; use "topology.kubernetes.io/region" instead`,
`spec.nodeSelector[failure-domain.beta.kubernetes.io/zone]: deprecated since v1.17; use "topology.kubernetes.io/zone" instead`,
},
},
{
name: "node labels in affinity requiredDuringSchedulingIgnoredDuringExecution",
template: &api.PodTemplateSpec{
Spec: api.PodSpec{
Affinity: &api.Affinity{
NodeAffinity: &api.NodeAffinity{
RequiredDuringSchedulingIgnoredDuringExecution: &api.NodeSelector{
NodeSelectorTerms: []api.NodeSelectorTerm{
{
MatchExpressions: []api.NodeSelectorRequirement{
{Key: `foo`},
{Key: `beta.kubernetes.io/arch`},
{Key: `beta.kubernetes.io/os`},
{Key: `failure-domain.beta.kubernetes.io/region`},
{Key: `failure-domain.beta.kubernetes.io/zone`},
{Key: `beta.kubernetes.io/instance-type`},
},
},
},
},
},
},
},
},
expected: []string{
`spec.affinity.nodeAffinity.requiredDuringSchedulingIgnoredDuringExecution.nodeSelectorTerms[0].matchExpressions[1].key: beta.kubernetes.io/arch is deprecated since v1.14; use "kubernetes.io/arch" instead`,
`spec.affinity.nodeAffinity.requiredDuringSchedulingIgnoredDuringExecution.nodeSelectorTerms[0].matchExpressions[2].key: beta.kubernetes.io/os is deprecated since v1.14; use "kubernetes.io/os" instead`,
`spec.affinity.nodeAffinity.requiredDuringSchedulingIgnoredDuringExecution.nodeSelectorTerms[0].matchExpressions[3].key: failure-domain.beta.kubernetes.io/region is deprecated since v1.17; use "topology.kubernetes.io/region" instead`,
`spec.affinity.nodeAffinity.requiredDuringSchedulingIgnoredDuringExecution.nodeSelectorTerms[0].matchExpressions[4].key: failure-domain.beta.kubernetes.io/zone is deprecated since v1.17; use "topology.kubernetes.io/zone" instead`,
`spec.affinity.nodeAffinity.requiredDuringSchedulingIgnoredDuringExecution.nodeSelectorTerms[0].matchExpressions[5].key: beta.kubernetes.io/instance-type is deprecated since v1.17; use "node.kubernetes.io/instance-type" instead`,
},
},
{
name: "node labels in affinity preferredDuringSchedulingIgnoredDuringExecution",
template: &api.PodTemplateSpec{
Spec: api.PodSpec{
Affinity: &api.Affinity{
NodeAffinity: &api.NodeAffinity{
PreferredDuringSchedulingIgnoredDuringExecution: []api.PreferredSchedulingTerm{
{
Preference: api.NodeSelectorTerm{
MatchExpressions: []api.NodeSelectorRequirement{
{Key: `foo`},
{Key: `beta.kubernetes.io/arch`},
{Key: `beta.kubernetes.io/os`},
{Key: `failure-domain.beta.kubernetes.io/region`},
{Key: `failure-domain.beta.kubernetes.io/zone`},
{Key: `beta.kubernetes.io/instance-type`},
},
},
},
},
},
},
},
},
expected: []string{
`spec.affinity.nodeAffinity.preferredDuringSchedulingIgnoredDuringExecution[0].preference.matchExpressions[1].key: beta.kubernetes.io/arch is deprecated since v1.14; use "kubernetes.io/arch" instead`,
`spec.affinity.nodeAffinity.preferredDuringSchedulingIgnoredDuringExecution[0].preference.matchExpressions[2].key: beta.kubernetes.io/os is deprecated since v1.14; use "kubernetes.io/os" instead`,
`spec.affinity.nodeAffinity.preferredDuringSchedulingIgnoredDuringExecution[0].preference.matchExpressions[3].key: failure-domain.beta.kubernetes.io/region is deprecated since v1.17; use "topology.kubernetes.io/region" instead`,
`spec.affinity.nodeAffinity.preferredDuringSchedulingIgnoredDuringExecution[0].preference.matchExpressions[4].key: failure-domain.beta.kubernetes.io/zone is deprecated since v1.17; use "topology.kubernetes.io/zone" instead`,
`spec.affinity.nodeAffinity.preferredDuringSchedulingIgnoredDuringExecution[0].preference.matchExpressions[5].key: beta.kubernetes.io/instance-type is deprecated since v1.17; use "node.kubernetes.io/instance-type" instead`,
},
},
{
name: "node labels in topologySpreadConstraints",
template: &api.PodTemplateSpec{
Spec: api.PodSpec{
TopologySpreadConstraints: []api.TopologySpreadConstraint{
{
TopologyKey: `foo`,
LabelSelector: &metav1.LabelSelector{},
},
{
TopologyKey: `beta.kubernetes.io/arch`,
LabelSelector: &metav1.LabelSelector{},
},
{
TopologyKey: `beta.kubernetes.io/os`,
LabelSelector: &metav1.LabelSelector{},
},
{
TopologyKey: `failure-domain.beta.kubernetes.io/region`,
LabelSelector: &metav1.LabelSelector{},
},
{
TopologyKey: `failure-domain.beta.kubernetes.io/zone`,
LabelSelector: &metav1.LabelSelector{},
},
{
TopologyKey: `beta.kubernetes.io/instance-type`,
LabelSelector: &metav1.LabelSelector{},
},
},
},
},
expected: []string{
`spec.topologySpreadConstraints[1].topologyKey: beta.kubernetes.io/arch is deprecated since v1.14; use "kubernetes.io/arch" instead`,
`spec.topologySpreadConstraints[2].topologyKey: beta.kubernetes.io/os is deprecated since v1.14; use "kubernetes.io/os" instead`,
`spec.topologySpreadConstraints[3].topologyKey: failure-domain.beta.kubernetes.io/region is deprecated since v1.17; use "topology.kubernetes.io/region" instead`,
`spec.topologySpreadConstraints[4].topologyKey: failure-domain.beta.kubernetes.io/zone is deprecated since v1.17; use "topology.kubernetes.io/zone" instead`,
`spec.topologySpreadConstraints[5].topologyKey: beta.kubernetes.io/instance-type is deprecated since v1.17; use "node.kubernetes.io/instance-type" instead`,
},
},
{
name: "annotations",
template: &api.PodTemplateSpec{
ObjectMeta: metav1.ObjectMeta{Annotations: map[string]string{
`foo`: `bar`,
`scheduler.alpha.kubernetes.io/critical-pod`: `true`,
`seccomp.security.alpha.kubernetes.io/pod`: `default`,
`container.seccomp.security.alpha.kubernetes.io/foo`: `default`,
`security.alpha.kubernetes.io/sysctls`: `a,b,c`,
`security.alpha.kubernetes.io/unsafe-sysctls`: `d,e,f`,
}},
Spec: api.PodSpec{Containers: []api.Container{{Name: "foo"}}},
},
expected: []string{
`metadata.annotations[scheduler.alpha.kubernetes.io/critical-pod]: non-functional in v1.16+; use the "priorityClassName" field instead`,
`metadata.annotations[seccomp.security.alpha.kubernetes.io/pod]: non-functional in v1.27+; use the "seccompProfile" field instead`,
`metadata.annotations[container.seccomp.security.alpha.kubernetes.io/foo]: non-functional in v1.27+; use the "seccompProfile" field instead`,
`metadata.annotations[security.alpha.kubernetes.io/sysctls]: non-functional in v1.11+; use the "sysctls" field instead`,
`metadata.annotations[security.alpha.kubernetes.io/unsafe-sysctls]: non-functional in v1.11+; use the "sysctls" field instead`,
},
},
{
name: "seccomp fields",
template: &api.PodTemplateSpec{
ObjectMeta: metav1.ObjectMeta{Annotations: map[string]string{
`seccomp.security.alpha.kubernetes.io/pod`: `default`,
`container.seccomp.security.alpha.kubernetes.io/foo`: `default`,
}},
Spec: api.PodSpec{
SecurityContext: &api.PodSecurityContext{
SeccompProfile: &api.SeccompProfile{Type: api.SeccompProfileTypeRuntimeDefault},
},
Containers: []api.Container{{
Name: "foo",
SecurityContext: &api.SecurityContext{
SeccompProfile: &api.SeccompProfile{Type: api.SeccompProfileTypeRuntimeDefault},
},
}},
},
},
expected: []string{},
},
{
name: "pod with ephemeral volume source 200Mi",
template: &api.PodTemplateSpec{
ObjectMeta: metav1.ObjectMeta{},
Spec: api.PodSpec{Volumes: []api.Volume{
{Name: "ephemeral-volume", VolumeSource: api.VolumeSource{Ephemeral: &api.EphemeralVolumeSource{
VolumeClaimTemplate: &api.PersistentVolumeClaimTemplate{
Spec: api.PersistentVolumeClaimSpec{Resources: api.ResourceRequirements{
Requests: api.ResourceList{api.ResourceStorage: resource.MustParse("200Mi")}}},
},
}}}}},
},
expected: []string{},
},
{
name: "pod with ephemeral volume source 200m",
template: &api.PodTemplateSpec{
ObjectMeta: metav1.ObjectMeta{},
Spec: api.PodSpec{Volumes: []api.Volume{
{Name: "ephemeral-volume", VolumeSource: api.VolumeSource{Ephemeral: &api.EphemeralVolumeSource{
VolumeClaimTemplate: &api.PersistentVolumeClaimTemplate{
Spec: api.PersistentVolumeClaimSpec{Resources: api.ResourceRequirements{
Requests: api.ResourceList{api.ResourceStorage: resource.MustParse("200m")}}},
},
}}}}},
},
expected: []string{
`spec.volumes[0].ephemeral.volumeClaimTemplate.spec.resources.requests[storage]: fractional byte value "200m" is invalid, must be an integer`,
},
},
{
name: "terminationGracePeriodSeconds is negative",
template: &api.PodTemplateSpec{
ObjectMeta: metav1.ObjectMeta{},
Spec: api.PodSpec{
TerminationGracePeriodSeconds: utilpointer.Int64Ptr(-1),
},
},
expected: []string{
`spec.terminationGracePeriodSeconds: must be >= 0; negative values are invalid and will be treated as 1`,
},
},
{
name: "null LabelSelector in topologySpreadConstraints",
template: &api.PodTemplateSpec{
ObjectMeta: metav1.ObjectMeta{},
Spec: api.PodSpec{
TopologySpreadConstraints: []api.TopologySpreadConstraint{
{
LabelSelector: &metav1.LabelSelector{},
},
{
LabelSelector: nil,
},
},
},
},
expected: []string{
`spec.topologySpreadConstraints[1].labelSelector: a null labelSelector results in matching no pod`,
},
},
{
name: "null LabelSelector in PodAffinity",
template: &api.PodTemplateSpec{
ObjectMeta: metav1.ObjectMeta{},
Spec: api.PodSpec{
Affinity: &api.Affinity{
PodAffinity: &api.PodAffinity{
RequiredDuringSchedulingIgnoredDuringExecution: []api.PodAffinityTerm{
{
LabelSelector: &metav1.LabelSelector{},
},
{
LabelSelector: nil,
},
},
PreferredDuringSchedulingIgnoredDuringExecution: []api.WeightedPodAffinityTerm{
{
PodAffinityTerm: api.PodAffinityTerm{
LabelSelector: &metav1.LabelSelector{},
},
},
{
PodAffinityTerm: api.PodAffinityTerm{
LabelSelector: nil,
},
},
},
},
PodAntiAffinity: &api.PodAntiAffinity{
RequiredDuringSchedulingIgnoredDuringExecution: []api.PodAffinityTerm{
{
LabelSelector: &metav1.LabelSelector{},
},
{
LabelSelector: nil,
},
},
PreferredDuringSchedulingIgnoredDuringExecution: []api.WeightedPodAffinityTerm{
{
PodAffinityTerm: api.PodAffinityTerm{
LabelSelector: &metav1.LabelSelector{},
},
},
{
PodAffinityTerm: api.PodAffinityTerm{
LabelSelector: nil,
},
},
},
},
},
},
},
expected: []string{
`spec.affinity.podAffinity.requiredDuringSchedulingIgnoredDuringExecution[1].labelSelector: a null labelSelector results in matching no pod`,
`spec.affinity.podAffinity.preferredDuringSchedulingIgnoredDuringExecution[1].podAffinityTerm.labelSelector: a null labelSelector results in matching no pod`,
`spec.affinity.podAntiAffinity.requiredDuringSchedulingIgnoredDuringExecution[1].labelSelector: a null labelSelector results in matching no pod`,
`spec.affinity.podAntiAffinity.preferredDuringSchedulingIgnoredDuringExecution[1].podAffinityTerm.labelSelector: a null labelSelector results in matching no pod`,
},
},
{
name: "container no ports",
template: &api.PodTemplateSpec{Spec: api.PodSpec{
Containers: []api.Container{{
Name: "foo",
Ports: []api.ContainerPort{},
}},
}},
expected: []string{},
},
{
name: "one container, one port",
template: &api.PodTemplateSpec{Spec: api.PodSpec{
Containers: []api.Container{{
Name: "foo",
Ports: []api.ContainerPort{
{ContainerPort: 80, HostPort: 80},
},
}},
}},
expected: []string{},
},
{
name: "one container, two ports, same protocol, different ports",
template: &api.PodTemplateSpec{Spec: api.PodSpec{
Containers: []api.Container{{
Name: "foo",
Ports: []api.ContainerPort{
{ContainerPort: 80, Protocol: api.ProtocolUDP},
{ContainerPort: 81, Protocol: api.ProtocolUDP},
},
}},
}},
expected: []string{},
},
{
name: "one container, two ports, different protocols, same port",
template: &api.PodTemplateSpec{Spec: api.PodSpec{
Containers: []api.Container{{
Name: "foo",
Ports: []api.ContainerPort{
{ContainerPort: 80, Protocol: api.ProtocolUDP},
{ContainerPort: 80, Protocol: api.ProtocolTCP},
},
}},
}},
expected: []string{},
},
{
name: "one container, two ports, same protocol, same port, different hostport",
template: &api.PodTemplateSpec{Spec: api.PodSpec{
Containers: []api.Container{{
Name: "foo",
Ports: []api.ContainerPort{
{ContainerPort: 80, Protocol: api.ProtocolTCP, HostPort: 80},
{ContainerPort: 80, Protocol: api.ProtocolTCP, HostPort: 81},
},
}},
}},
expected: []string{
`spec.containers[0].ports[1]: duplicate container port 80/TCP, conflicts with spec.containers[0]`,
},
},
{
name: "one container, two ports, same protocol, port and hostPort, different hostIP",
template: &api.PodTemplateSpec{Spec: api.PodSpec{
Containers: []api.Container{{
Name: "foo",
Ports: []api.ContainerPort{
{ContainerPort: 80, Protocol: api.ProtocolTCP, HostPort: 80, HostIP: "10.0.0.1"},
{ContainerPort: 80, Protocol: api.ProtocolTCP, HostPort: 80, HostIP: "10.0.0.2"},
},
}},
}},
expected: []string{},
},
{
name: "two containers, one port each, same protocol, different ports",
template: &api.PodTemplateSpec{Spec: api.PodSpec{
Containers: []api.Container{{
Name: "foo",
Ports: []api.ContainerPort{
{ContainerPort: 80, Protocol: api.ProtocolUDP},
},
}, {
Name: "bar",
Ports: []api.ContainerPort{
{ContainerPort: 81, Protocol: api.ProtocolUDP},
},
}},
}},
expected: []string{},
},
{
name: "two containers, one port each, different protocols, same port",
template: &api.PodTemplateSpec{Spec: api.PodSpec{
Containers: []api.Container{{
Name: "foo",
Ports: []api.ContainerPort{
{ContainerPort: 80, Protocol: api.ProtocolUDP},
},
}, {
Name: "bar",
Ports: []api.ContainerPort{
{ContainerPort: 80, Protocol: api.ProtocolTCP},
},
}},
}},
expected: []string{},
},
{
name: "two containers, one port each, same protocol, same port, different hostport",
template: &api.PodTemplateSpec{Spec: api.PodSpec{
Containers: []api.Container{{
Name: "foo",
Ports: []api.ContainerPort{
{ContainerPort: 80, Protocol: api.ProtocolTCP, HostPort: 80},
},
}, {
Name: "bar",
Ports: []api.ContainerPort{
{ContainerPort: 80, Protocol: api.ProtocolTCP, HostPort: 81},
},
}},
}},
expected: []string{
`spec.containers[1].ports[0]: duplicate container port 80/TCP, conflicts with spec.containers[0]`,
},
},
{
name: "two containers, one port each, same protocol, port and hostPort, different hostIP",
template: &api.PodTemplateSpec{Spec: api.PodSpec{
Containers: []api.Container{{
Name: "foo",
Ports: []api.ContainerPort{
{ContainerPort: 80, Protocol: api.ProtocolTCP, HostPort: 80, HostIP: "10.0.0.1"},
},
}, {
Name: "bar",
Ports: []api.ContainerPort{
{ContainerPort: 80, Protocol: api.ProtocolTCP, HostPort: 80, HostIP: "10.0.0.2"},
},
}},
}},
expected: []string{},
},
{
name: "duplicate container ports with same port and protocol",
template: &api.PodTemplateSpec{Spec: api.PodSpec{
Containers: []api.Container{{
Name: "foo",
Ports: []api.ContainerPort{
{ContainerPort: 80, Protocol: api.ProtocolUDP},
{ContainerPort: 80, Protocol: api.ProtocolUDP},
},
}},
}},
expected: []string{
`spec.containers[0].ports[1]: duplicate container port 80/UDP, conflicts with spec.containers[0]`,
},
},
{
name: "duplicate container ports with same port, hostPort and protocol",
template: &api.PodTemplateSpec{Spec: api.PodSpec{
Containers: []api.Container{{
Name: "foo",
Ports: []api.ContainerPort{
{ContainerPort: 80, HostPort: 80, Protocol: api.ProtocolUDP},
{ContainerPort: 80, HostPort: 80, Protocol: api.ProtocolUDP},
},
}},
}},
expected: []string{
`spec.containers[0].ports[1]: duplicate container port 80/UDP, conflicts with spec.containers[0]`,
},
},
{
name: "duplicate container ports with same port, host port, host IP and protocol",
template: &api.PodTemplateSpec{Spec: api.PodSpec{
Containers: []api.Container{{
Name: "foo",
Ports: []api.ContainerPort{
{ContainerPort: 80, HostPort: 80, Protocol: api.ProtocolUDP, HostIP: "10.0.0.1"},
{ContainerPort: 80, HostPort: 80, Protocol: api.ProtocolUDP, HostIP: "10.0.0.1"},
},
}},
}},
expected: []string{
`spec.containers[0].ports[1]: duplicate container port 80/UDP, conflicts with spec.containers[0]`,
},
},
{
name: "duplicate container ports with one host port set and one without",
template: &api.PodTemplateSpec{Spec: api.PodSpec{
Containers: []api.Container{{
Name: "foo",
Ports: []api.ContainerPort{
{ContainerPort: 80, HostPort: 80, Protocol: api.ProtocolUDP, HostIP: "10.0.0.1"},
{ContainerPort: 80, Protocol: api.ProtocolUDP, HostIP: "10.0.0.1"},
},
}},
}},
expected: []string{
`spec.containers[0].ports[1]: duplicate container port 80/UDP, conflicts with spec.containers[0]`,
},
},
{
name: "duplicate container ports without one host IP set and one with",
template: &api.PodTemplateSpec{Spec: api.PodSpec{
Containers: []api.Container{{
Name: "foo",
Ports: []api.ContainerPort{
{ContainerPort: 80, HostPort: 80, Protocol: api.ProtocolUDP},
{ContainerPort: 80, HostPort: 80, Protocol: api.ProtocolUDP, HostIP: "10.0.0.1"},
},
}},
}},
expected: []string{
`spec.containers[0].ports[1]: duplicate container port 80/UDP, conflicts with spec.containers[0]`,
},
},
{
name: "duplicate container ports with one host IP set and one without",
template: &api.PodTemplateSpec{Spec: api.PodSpec{
Containers: []api.Container{{
Name: "foo",
Ports: []api.ContainerPort{
{ContainerPort: 80, HostPort: 80, Protocol: api.ProtocolUDP, HostIP: "10.0.0.1"},
{ContainerPort: 80, HostPort: 80, Protocol: api.ProtocolUDP},
},
}},
}},
expected: []string{
`spec.containers[0].ports[1]: duplicate container port 80/UDP, conflicts with spec.containers[0]`,
},
},
{
name: "duplicate containers with same port and protocol",
template: &api.PodTemplateSpec{Spec: api.PodSpec{
Containers: []api.Container{{
Name: "foo",
Ports: []api.ContainerPort{
{ContainerPort: 80, Protocol: api.ProtocolUDP},
},
}, {
Name: "bar",
Ports: []api.ContainerPort{
{ContainerPort: 80, Protocol: api.ProtocolUDP},
},
}},
}},
expected: []string{
`spec.containers[1].ports[0]: duplicate container port 80/UDP, conflicts with spec.containers[0]`,
},
},
{
name: "duplicate containers with same port, hostPort and protocol",
template: &api.PodTemplateSpec{Spec: api.PodSpec{
Containers: []api.Container{{
Name: "foo",
Ports: []api.ContainerPort{
{ContainerPort: 80, HostPort: 80, Protocol: api.ProtocolUDP},
},
}, {
Name: "bar",
Ports: []api.ContainerPort{
{ContainerPort: 80, HostPort: 80, Protocol: api.ProtocolUDP},
},
}},
}},
expected: []string{
`spec.containers[1].ports[0]: duplicate container port 80/UDP, conflicts with spec.containers[0]`,
},
},
{
name: "duplicate containers with same port, host port, host IP and protocol",
template: &api.PodTemplateSpec{Spec: api.PodSpec{
Containers: []api.Container{{
Name: "foo",
Ports: []api.ContainerPort{
{ContainerPort: 80, HostPort: 80, Protocol: api.ProtocolUDP, HostIP: "10.0.0.1"},
},
}, {
Name: "bar",
Ports: []api.ContainerPort{
{ContainerPort: 80, HostPort: 80, Protocol: api.ProtocolUDP, HostIP: "10.0.0.1"},
},
}},
}},
expected: []string{
`spec.containers[1].ports[0]: duplicate container port 80/UDP, conflicts with spec.containers[0]`,
},
},
{
name: "duplicate containers with one host port set and one without",
template: &api.PodTemplateSpec{Spec: api.PodSpec{
Containers: []api.Container{{
Name: "foo",
Ports: []api.ContainerPort{
{ContainerPort: 80, HostPort: 80, Protocol: api.ProtocolUDP, HostIP: "10.0.0.1"},
},
}, {
Name: "bar",
Ports: []api.ContainerPort{
{ContainerPort: 80, Protocol: api.ProtocolUDP, HostIP: "10.0.0.1"},
},
}},
}},
expected: []string{
`spec.containers[1].ports[0]: duplicate container port 80/UDP, conflicts with spec.containers[0]`,
},
},
{
name: "duplicate container ports without one host IP set and one with",
template: &api.PodTemplateSpec{Spec: api.PodSpec{
Containers: []api.Container{{
Name: "foo",
Ports: []api.ContainerPort{
{ContainerPort: 80, HostPort: 80, Protocol: api.ProtocolUDP},
},
}, {
Name: "bar",
Ports: []api.ContainerPort{
{ContainerPort: 80, HostPort: 80, Protocol: api.ProtocolUDP, HostIP: "10.0.0.1"},
},
}},
}},
expected: []string{
`spec.containers[1].ports[0]: duplicate container port 80/UDP, conflicts with spec.containers[0]`,
},
},
{
name: "duplicate container ports with one host IP set and one without",
template: &api.PodTemplateSpec{Spec: api.PodSpec{
Containers: []api.Container{{
Name: "foo",
Ports: []api.ContainerPort{
{ContainerPort: 80, HostPort: 80, Protocol: api.ProtocolUDP, HostIP: "10.0.0.1"},
},
}, {
Name: "bar",
Ports: []api.ContainerPort{
{ContainerPort: 80, HostPort: 80, Protocol: api.ProtocolUDP},
},
}},
}},
expected: []string{
`spec.containers[1].ports[0]: duplicate container port 80/UDP, conflicts with spec.containers[0]`,
},
},
{
name: "create duplicate container ports in two containers",
template: &api.PodTemplateSpec{Spec: api.PodSpec{
Containers: []api.Container{
{
Name: "foo1",
Ports: []api.ContainerPort{
{ContainerPort: 80, HostPort: 80, Protocol: api.ProtocolUDP},
{ContainerPort: 180, HostPort: 80, Protocol: api.ProtocolUDP},
{ContainerPort: 80, HostPort: 80, Protocol: api.ProtocolUDP},
},
},
{
Name: "foo",
Ports: []api.ContainerPort{
{ContainerPort: 80, HostPort: 80, Protocol: api.ProtocolUDP},
{ContainerPort: 80, HostPort: 80, Protocol: api.ProtocolUDP},
},
}},
}},
expected: []string{
`spec.containers[0].ports[2]: duplicate container port 80/UDP, conflicts with spec.containers[0]`,
`spec.containers[1].ports[0]: duplicate container port 80/UDP, conflicts with spec.containers[0]`,
`spec.containers[1].ports[1]: duplicate container port 80/UDP, conflicts with spec.containers[0]`,
},
},
{
name: "update duplicate container ports in two containers",
template: &api.PodTemplateSpec{Spec: api.PodSpec{
Containers: []api.Container{
{
Name: "foo1",
Ports: []api.ContainerPort{
{ContainerPort: 80, HostPort: 80, Protocol: api.ProtocolTCP},
{ContainerPort: 180, HostPort: 80, Protocol: api.ProtocolTCP},
{ContainerPort: 80, HostPort: 80, Protocol: api.ProtocolTCP},
},
},
{
Name: "foo",
Ports: []api.ContainerPort{
{ContainerPort: 80, HostPort: 80, Protocol: api.ProtocolTCP},
{ContainerPort: 80, HostPort: 80, Protocol: api.ProtocolTCP},
},
}},
}},
oldTemplate: &api.PodTemplateSpec{Spec: api.PodSpec{
Containers: []api.Container{
{
Name: "foo1",
Ports: []api.ContainerPort{
{ContainerPort: 80, HostPort: 180, Protocol: api.ProtocolTCP},
{ContainerPort: 180, HostPort: 80, Protocol: api.ProtocolTCP},
{ContainerPort: 80, HostPort: 80, Protocol: api.ProtocolTCP},
},
},
{
Name: "foo",
Ports: []api.ContainerPort{
{ContainerPort: 80, HostPort: 180, Protocol: api.ProtocolTCP},
{ContainerPort: 80, HostPort: 80, Protocol: api.ProtocolTCP},
},
}},
}},
expected: []string{
`spec.containers[0].ports[2]: duplicate container port 80/TCP, conflicts with spec.containers[0]`,
`spec.containers[1].ports[0]: duplicate container port 80/TCP, conflicts with spec.containers[0]`,
`spec.containers[1].ports[1]: duplicate container port 80/TCP, conflicts with spec.containers[0]`,
},
},
}
for _, tc := range testcases {
t.Run("podspec_"+tc.name, func(t *testing.T) {
var oldTemplate *api.PodTemplateSpec
if tc.oldTemplate != nil {
oldTemplate = tc.oldTemplate
}
actual := sets.NewString(GetWarningsForPodTemplate(context.TODO(), nil, tc.template, oldTemplate)...)
expected := sets.NewString(tc.expected...)
for _, missing := range expected.Difference(actual).List() {
t.Errorf("missing: %s", missing)
}
for _, extra := range actual.Difference(expected).List() {
t.Errorf("extra: %s", extra)
}
})
t.Run("pod_"+tc.name, func(t *testing.T) {
var pod *api.Pod
if tc.template != nil {
pod = &api.Pod{
ObjectMeta: tc.template.ObjectMeta,
Spec: tc.template.Spec,
}
}
actual := sets.NewString(GetWarningsForPod(context.TODO(), pod, &api.Pod{})...)
expected := sets.NewString(tc.expected...)
for _, missing := range expected.Difference(actual).List() {
t.Errorf("missing: %s", missing)
}
for _, extra := range actual.Difference(expected).List() {
t.Errorf("extra: %s", extra)
}
})
}
}