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validation_test.go
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validation_test.go
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/*
Copyright 2014 The Kubernetes Authors All rights reserved.
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 validation
import (
"math/rand"
"strings"
"testing"
"time"
"k8s.io/kubernetes/pkg/api"
"k8s.io/kubernetes/pkg/api/resource"
"k8s.io/kubernetes/pkg/api/testapi"
"k8s.io/kubernetes/pkg/api/unversioned"
"k8s.io/kubernetes/pkg/capabilities"
"k8s.io/kubernetes/pkg/util"
utilerrors "k8s.io/kubernetes/pkg/util/errors"
"k8s.io/kubernetes/pkg/util/fielderrors"
errors "k8s.io/kubernetes/pkg/util/fielderrors"
"k8s.io/kubernetes/pkg/util/sets"
)
func expectPrefix(t *testing.T, prefix string, errs fielderrors.ValidationErrorList) {
for i := range errs {
if f, p := errs[i].(*errors.ValidationError).Field, prefix; !strings.HasPrefix(f, p) {
t.Errorf("expected prefix '%s' for field '%s' (%v)", p, f, errs[i])
}
}
}
// Ensure custom name functions are allowed
func TestValidateObjectMetaCustomName(t *testing.T) {
errs := ValidateObjectMeta(&api.ObjectMeta{Name: "test", GenerateName: "foo"}, false, func(s string, prefix bool) (bool, string) {
if s == "test" {
return true, ""
}
return false, "name-gen"
})
if len(errs) != 1 {
t.Fatalf("unexpected errors: %v", errs)
}
if !strings.Contains(errs[0].Error(), "name-gen") {
t.Errorf("unexpected error message: %v", errs)
}
}
// Ensure namespace names follow dns label format
func TestValidateObjectMetaNamespaces(t *testing.T) {
errs := ValidateObjectMeta(&api.ObjectMeta{Name: "test", Namespace: "foo.bar"}, false, func(s string, prefix bool) (bool, string) {
return true, ""
})
if len(errs) != 1 {
t.Fatalf("unexpected errors: %v", errs)
}
if !strings.Contains(errs[0].Error(), "invalid value 'foo.bar'") {
t.Errorf("unexpected error message: %v", errs)
}
maxLength := 63
letters := []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789")
b := make([]rune, maxLength+1)
for i := range b {
b[i] = letters[rand.Intn(len(letters))]
}
errs = ValidateObjectMeta(&api.ObjectMeta{Name: "test", Namespace: string(b)}, false, func(s string, prefix bool) (bool, string) {
return true, ""
})
if len(errs) != 1 {
t.Fatalf("unexpected errors: %v", errs)
}
if !strings.Contains(errs[0].Error(), "invalid value") {
t.Errorf("unexpected error message: %v", errs)
}
}
func TestValidateObjectMetaUpdateIgnoresCreationTimestamp(t *testing.T) {
if errs := ValidateObjectMetaUpdate(
&api.ObjectMeta{Name: "test", ResourceVersion: "1"},
&api.ObjectMeta{Name: "test", ResourceVersion: "1", CreationTimestamp: unversioned.NewTime(time.Unix(10, 0))},
); len(errs) != 0 {
t.Fatalf("unexpected errors: %v", errs)
}
if errs := ValidateObjectMetaUpdate(
&api.ObjectMeta{Name: "test", ResourceVersion: "1", CreationTimestamp: unversioned.NewTime(time.Unix(10, 0))},
&api.ObjectMeta{Name: "test", ResourceVersion: "1"},
); len(errs) != 0 {
t.Fatalf("unexpected errors: %v", errs)
}
if errs := ValidateObjectMetaUpdate(
&api.ObjectMeta{Name: "test", ResourceVersion: "1", CreationTimestamp: unversioned.NewTime(time.Unix(10, 0))},
&api.ObjectMeta{Name: "test", ResourceVersion: "1", CreationTimestamp: unversioned.NewTime(time.Unix(11, 0))},
); len(errs) != 0 {
t.Fatalf("unexpected errors: %v", errs)
}
}
// Ensure trailing slash is allowed in generate name
func TestValidateObjectMetaTrimsTrailingSlash(t *testing.T) {
errs := ValidateObjectMeta(&api.ObjectMeta{Name: "test", GenerateName: "foo-"}, false, NameIsDNSSubdomain)
if len(errs) != 0 {
t.Fatalf("unexpected errors: %v", errs)
}
}
func TestValidateLabels(t *testing.T) {
successCases := []map[string]string{
{"simple": "bar"},
{"now-with-dashes": "bar"},
{"1-starts-with-num": "bar"},
{"1234": "bar"},
{"simple/simple": "bar"},
{"now-with-dashes/simple": "bar"},
{"now-with-dashes/now-with-dashes": "bar"},
{"now.with.dots/simple": "bar"},
{"now-with.dashes-and.dots/simple": "bar"},
{"1-num.2-num/3-num": "bar"},
{"1234/5678": "bar"},
{"1.2.3.4/5678": "bar"},
{"UpperCaseAreOK123": "bar"},
{"goodvalue": "123_-.BaR"},
}
for i := range successCases {
errs := ValidateLabels(successCases[i], "field")
if len(errs) != 0 {
t.Errorf("case[%d] expected success, got %#v", i, errs)
}
}
labelNameErrorCases := []map[string]string{
{"nospecialchars^=@": "bar"},
{"cantendwithadash-": "bar"},
{"only/one/slash": "bar"},
{strings.Repeat("a", 254): "bar"},
}
for i := range labelNameErrorCases {
errs := ValidateLabels(labelNameErrorCases[i], "field")
if len(errs) != 1 {
t.Errorf("case[%d] expected failure", i)
} else {
detail := errs[0].(*errors.ValidationError).Detail
if detail != qualifiedNameErrorMsg {
t.Errorf("error detail %s should be equal %s", detail, qualifiedNameErrorMsg)
}
}
}
labelValueErrorCases := []map[string]string{
{"toolongvalue": strings.Repeat("a", 64)},
{"backslashesinvalue": "some\\bad\\value"},
{"nocommasallowed": "bad,value"},
{"strangecharsinvalue": "?#$notsogood"},
}
for i := range labelValueErrorCases {
errs := ValidateLabels(labelValueErrorCases[i], "field")
if len(errs) != 1 {
t.Errorf("case[%d] expected failure", i)
} else {
detail := errs[0].(*errors.ValidationError).Detail
if detail != labelValueErrorMsg {
t.Errorf("error detail %s should be equal %s", detail, labelValueErrorMsg)
}
}
}
}
func TestValidateAnnotations(t *testing.T) {
successCases := []map[string]string{
{"simple": "bar"},
{"now-with-dashes": "bar"},
{"1-starts-with-num": "bar"},
{"1234": "bar"},
{"simple/simple": "bar"},
{"now-with-dashes/simple": "bar"},
{"now-with-dashes/now-with-dashes": "bar"},
{"now.with.dots/simple": "bar"},
{"now-with.dashes-and.dots/simple": "bar"},
{"1-num.2-num/3-num": "bar"},
{"1234/5678": "bar"},
{"1.2.3.4/5678": "bar"},
{"UpperCase123": "bar"},
{"a": strings.Repeat("b", totalAnnotationSizeLimitB-1)},
{
"a": strings.Repeat("b", totalAnnotationSizeLimitB/2-1),
"c": strings.Repeat("d", totalAnnotationSizeLimitB/2-1),
},
}
for i := range successCases {
errs := ValidateAnnotations(successCases[i], "field")
if len(errs) != 0 {
t.Errorf("case[%d] expected success, got %#v", i, errs)
}
}
nameErrorCases := []map[string]string{
{"nospecialchars^=@": "bar"},
{"cantendwithadash-": "bar"},
{"only/one/slash": "bar"},
{strings.Repeat("a", 254): "bar"},
}
for i := range nameErrorCases {
errs := ValidateAnnotations(nameErrorCases[i], "field")
if len(errs) != 1 {
t.Errorf("case[%d] expected failure", i)
}
detail := errs[0].(*errors.ValidationError).Detail
if detail != qualifiedNameErrorMsg {
t.Errorf("error detail %s should be equal %s", detail, qualifiedNameErrorMsg)
}
}
totalSizeErrorCases := []map[string]string{
{"a": strings.Repeat("b", totalAnnotationSizeLimitB)},
{
"a": strings.Repeat("b", totalAnnotationSizeLimitB/2),
"c": strings.Repeat("d", totalAnnotationSizeLimitB/2),
},
}
for i := range totalSizeErrorCases {
errs := ValidateAnnotations(totalSizeErrorCases[i], "field")
if len(errs) != 1 {
t.Errorf("case[%d] expected failure", i)
}
}
}
func testVolume(name string, namespace string, spec api.PersistentVolumeSpec) *api.PersistentVolume {
objMeta := api.ObjectMeta{Name: name}
if namespace != "" {
objMeta.Namespace = namespace
}
return &api.PersistentVolume{
ObjectMeta: objMeta,
Spec: spec,
}
}
func TestValidatePersistentVolumes(t *testing.T) {
scenarios := map[string]struct {
isExpectedFailure bool
volume *api.PersistentVolume
}{
"good-volume": {
isExpectedFailure: false,
volume: testVolume("foo", "", api.PersistentVolumeSpec{
Capacity: api.ResourceList{
api.ResourceName(api.ResourceStorage): resource.MustParse("10G"),
},
AccessModes: []api.PersistentVolumeAccessMode{api.ReadWriteOnce},
PersistentVolumeSource: api.PersistentVolumeSource{
HostPath: &api.HostPathVolumeSource{Path: "/foo"},
},
}),
},
"invalid-accessmode": {
isExpectedFailure: true,
volume: testVolume("foo", "", api.PersistentVolumeSpec{
Capacity: api.ResourceList{
api.ResourceName(api.ResourceStorage): resource.MustParse("10G"),
},
AccessModes: []api.PersistentVolumeAccessMode{"fakemode"},
PersistentVolumeSource: api.PersistentVolumeSource{
HostPath: &api.HostPathVolumeSource{Path: "/foo"},
},
}),
},
"unexpected-namespace": {
isExpectedFailure: true,
volume: testVolume("foo", "unexpected-namespace", api.PersistentVolumeSpec{
Capacity: api.ResourceList{
api.ResourceName(api.ResourceStorage): resource.MustParse("10G"),
},
AccessModes: []api.PersistentVolumeAccessMode{api.ReadWriteOnce},
PersistentVolumeSource: api.PersistentVolumeSource{
HostPath: &api.HostPathVolumeSource{Path: "/foo"},
},
}),
},
"bad-name": {
isExpectedFailure: true,
volume: testVolume("123*Bad(Name", "unexpected-namespace", api.PersistentVolumeSpec{
Capacity: api.ResourceList{
api.ResourceName(api.ResourceStorage): resource.MustParse("10G"),
},
AccessModes: []api.PersistentVolumeAccessMode{api.ReadWriteOnce},
PersistentVolumeSource: api.PersistentVolumeSource{
HostPath: &api.HostPathVolumeSource{Path: "/foo"},
},
}),
},
"missing-name": {
isExpectedFailure: true,
volume: testVolume("", "", api.PersistentVolumeSpec{
Capacity: api.ResourceList{
api.ResourceName(api.ResourceStorage): resource.MustParse("10G"),
},
AccessModes: []api.PersistentVolumeAccessMode{api.ReadWriteOnce},
}),
},
"missing-capacity": {
isExpectedFailure: true,
volume: testVolume("foo", "", api.PersistentVolumeSpec{}),
},
"missing-accessmodes": {
isExpectedFailure: true,
volume: testVolume("goodname", "missing-accessmodes", api.PersistentVolumeSpec{
Capacity: api.ResourceList{
api.ResourceName(api.ResourceStorage): resource.MustParse("10G"),
},
PersistentVolumeSource: api.PersistentVolumeSource{
HostPath: &api.HostPathVolumeSource{Path: "/foo"},
},
}),
},
"too-many-sources": {
isExpectedFailure: true,
volume: testVolume("", "", api.PersistentVolumeSpec{
Capacity: api.ResourceList{
api.ResourceName(api.ResourceStorage): resource.MustParse("5G"),
},
PersistentVolumeSource: api.PersistentVolumeSource{
HostPath: &api.HostPathVolumeSource{Path: "/foo"},
GCEPersistentDisk: &api.GCEPersistentDiskVolumeSource{PDName: "foo", FSType: "ext4"},
},
}),
},
}
for name, scenario := range scenarios {
errs := ValidatePersistentVolume(scenario.volume)
if len(errs) == 0 && scenario.isExpectedFailure {
t.Errorf("Unexpected success for scenario: %s", name)
}
if len(errs) > 0 && !scenario.isExpectedFailure {
t.Errorf("Unexpected failure for scenario: %s - %+v", name, errs)
}
}
}
func testVolumeClaim(name string, namespace string, spec api.PersistentVolumeClaimSpec) *api.PersistentVolumeClaim {
return &api.PersistentVolumeClaim{
ObjectMeta: api.ObjectMeta{Name: name, Namespace: namespace},
Spec: spec,
}
}
func TestValidatePersistentVolumeClaim(t *testing.T) {
scenarios := map[string]struct {
isExpectedFailure bool
claim *api.PersistentVolumeClaim
}{
"good-claim": {
isExpectedFailure: false,
claim: testVolumeClaim("foo", "ns", api.PersistentVolumeClaimSpec{
AccessModes: []api.PersistentVolumeAccessMode{
api.ReadWriteOnce,
api.ReadOnlyMany,
},
Resources: api.ResourceRequirements{
Requests: api.ResourceList{
api.ResourceName(api.ResourceStorage): resource.MustParse("10G"),
},
},
}),
},
"invalid-accessmode": {
isExpectedFailure: true,
claim: testVolumeClaim("foo", "ns", api.PersistentVolumeClaimSpec{
AccessModes: []api.PersistentVolumeAccessMode{"fakemode"},
Resources: api.ResourceRequirements{
Requests: api.ResourceList{
api.ResourceName(api.ResourceStorage): resource.MustParse("10G"),
},
},
}),
},
"missing-namespace": {
isExpectedFailure: true,
claim: testVolumeClaim("foo", "", api.PersistentVolumeClaimSpec{
AccessModes: []api.PersistentVolumeAccessMode{
api.ReadWriteOnce,
api.ReadOnlyMany,
},
Resources: api.ResourceRequirements{
Requests: api.ResourceList{
api.ResourceName(api.ResourceStorage): resource.MustParse("10G"),
},
},
}),
},
"no-access-modes": {
isExpectedFailure: true,
claim: testVolumeClaim("foo", "ns", api.PersistentVolumeClaimSpec{
Resources: api.ResourceRequirements{
Requests: api.ResourceList{
api.ResourceName(api.ResourceStorage): resource.MustParse("10G"),
},
},
}),
},
"no-resource-requests": {
isExpectedFailure: true,
claim: testVolumeClaim("foo", "ns", api.PersistentVolumeClaimSpec{
AccessModes: []api.PersistentVolumeAccessMode{
api.ReadWriteOnce,
},
}),
},
"invalid-resource-requests": {
isExpectedFailure: true,
claim: testVolumeClaim("foo", "ns", api.PersistentVolumeClaimSpec{
AccessModes: []api.PersistentVolumeAccessMode{
api.ReadWriteOnce,
},
Resources: api.ResourceRequirements{
Requests: api.ResourceList{
api.ResourceName(api.ResourceMemory): resource.MustParse("10G"),
},
},
}),
},
}
for name, scenario := range scenarios {
errs := ValidatePersistentVolumeClaim(scenario.claim)
if len(errs) == 0 && scenario.isExpectedFailure {
t.Errorf("Unexpected success for scenario: %s", name)
}
if len(errs) > 0 && !scenario.isExpectedFailure {
t.Errorf("Unexpected failure for scenario: %s - %+v", name, errs)
}
}
}
func TestValidateVolumes(t *testing.T) {
lun := 1
successCase := []api.Volume{
{Name: "abc", VolumeSource: api.VolumeSource{HostPath: &api.HostPathVolumeSource{Path: "/mnt/path1"}}},
{Name: "123", VolumeSource: api.VolumeSource{HostPath: &api.HostPathVolumeSource{Path: "/mnt/path2"}}},
{Name: "abc-123", VolumeSource: api.VolumeSource{HostPath: &api.HostPathVolumeSource{Path: "/mnt/path3"}}},
{Name: "empty", VolumeSource: api.VolumeSource{EmptyDir: &api.EmptyDirVolumeSource{}}},
{Name: "gcepd", VolumeSource: api.VolumeSource{GCEPersistentDisk: &api.GCEPersistentDiskVolumeSource{PDName: "my-PD", FSType: "ext4", Partition: 1, ReadOnly: false}}},
{Name: "awsebs", VolumeSource: api.VolumeSource{AWSElasticBlockStore: &api.AWSElasticBlockStoreVolumeSource{VolumeID: "my-PD", FSType: "ext4", Partition: 1, ReadOnly: false}}},
{Name: "gitrepo", VolumeSource: api.VolumeSource{GitRepo: &api.GitRepoVolumeSource{Repository: "my-repo", Revision: "hashstring"}}},
{Name: "iscsidisk", VolumeSource: api.VolumeSource{ISCSI: &api.ISCSIVolumeSource{TargetPortal: "127.0.0.1", IQN: "iqn.2015-02.example.com:test", Lun: 1, FSType: "ext4", ReadOnly: false}}},
{Name: "secret", VolumeSource: api.VolumeSource{Secret: &api.SecretVolumeSource{SecretName: "my-secret"}}},
{Name: "glusterfs", VolumeSource: api.VolumeSource{Glusterfs: &api.GlusterfsVolumeSource{EndpointsName: "host1", Path: "path", ReadOnly: false}}},
{Name: "flocker", VolumeSource: api.VolumeSource{Flocker: &api.FlockerVolumeSource{DatasetName: "datasetName"}}},
{Name: "rbd", VolumeSource: api.VolumeSource{RBD: &api.RBDVolumeSource{CephMonitors: []string{"foo"}, RBDImage: "bar", FSType: "ext4"}}},
{Name: "cinder", VolumeSource: api.VolumeSource{Cinder: &api.CinderVolumeSource{"29ea5088-4f60-4757-962e-dba678767887", "ext4", false}}},
{Name: "cephfs", VolumeSource: api.VolumeSource{CephFS: &api.CephFSVolumeSource{Monitors: []string{"foo"}}}},
{Name: "downwardapi", VolumeSource: api.VolumeSource{DownwardAPI: &api.DownwardAPIVolumeSource{Items: []api.DownwardAPIVolumeFile{
{Path: "labels", FieldRef: api.ObjectFieldSelector{
APIVersion: "v1",
FieldPath: "metadata.labels"}},
{Path: "annotations", FieldRef: api.ObjectFieldSelector{
APIVersion: "v1",
FieldPath: "metadata.annotations"}},
{Path: "namespace", FieldRef: api.ObjectFieldSelector{
APIVersion: "v1",
FieldPath: "metadata.namespace"}},
{Path: "name", FieldRef: api.ObjectFieldSelector{
APIVersion: "v1",
FieldPath: "metadata.name"}},
{Path: "path/withslash/andslash", FieldRef: api.ObjectFieldSelector{
APIVersion: "v1",
FieldPath: "metadata.labels"}},
{Path: "path/./withdot", FieldRef: api.ObjectFieldSelector{
APIVersion: "v1",
FieldPath: "metadata.labels"}},
{Path: "path/with..dot", FieldRef: api.ObjectFieldSelector{
APIVersion: "v1",
FieldPath: "metadata.labels"}},
{Path: "second-level-dirent-can-have/..dot", FieldRef: api.ObjectFieldSelector{
APIVersion: "v1",
FieldPath: "metadata.labels"}},
}}}},
{Name: "fc", VolumeSource: api.VolumeSource{FC: &api.FCVolumeSource{[]string{"some_wwn"}, &lun, "ext4", false}}},
}
names, errs := validateVolumes(successCase)
if len(errs) != 0 {
t.Errorf("expected success: %v", errs)
}
if len(names) != len(successCase) || !names.HasAll("abc", "123", "abc-123", "empty", "gcepd", "gitrepo", "secret", "iscsidisk", "cinder", "cephfs", "fc") {
t.Errorf("wrong names result: %v", names)
}
emptyVS := api.VolumeSource{EmptyDir: &api.EmptyDirVolumeSource{}}
emptyPortal := api.VolumeSource{ISCSI: &api.ISCSIVolumeSource{TargetPortal: "", IQN: "iqn.2015-02.example.com:test", Lun: 1, FSType: "ext4", ReadOnly: false}}
emptyIQN := api.VolumeSource{ISCSI: &api.ISCSIVolumeSource{TargetPortal: "127.0.0.1", IQN: "", Lun: 1, FSType: "ext4", ReadOnly: false}}
emptyHosts := api.VolumeSource{Glusterfs: &api.GlusterfsVolumeSource{EndpointsName: "", Path: "path", ReadOnly: false}}
emptyPath := api.VolumeSource{Glusterfs: &api.GlusterfsVolumeSource{EndpointsName: "host", Path: "", ReadOnly: false}}
emptyName := api.VolumeSource{Flocker: &api.FlockerVolumeSource{DatasetName: ""}}
emptyMon := api.VolumeSource{RBD: &api.RBDVolumeSource{CephMonitors: []string{}, RBDImage: "bar", FSType: "ext4"}}
emptyImage := api.VolumeSource{RBD: &api.RBDVolumeSource{CephMonitors: []string{"foo"}, RBDImage: "", FSType: "ext4"}}
emptyCephFSMon := api.VolumeSource{CephFS: &api.CephFSVolumeSource{Monitors: []string{}}}
emptyPathName := api.VolumeSource{DownwardAPI: &api.DownwardAPIVolumeSource{Items: []api.DownwardAPIVolumeFile{{Path: "",
FieldRef: api.ObjectFieldSelector{
APIVersion: "v1",
FieldPath: "metadata.labels"}}},
}}
absolutePathName := api.VolumeSource{DownwardAPI: &api.DownwardAPIVolumeSource{Items: []api.DownwardAPIVolumeFile{{Path: "/absolutepath",
FieldRef: api.ObjectFieldSelector{
APIVersion: "v1",
FieldPath: "metadata.labels"}}},
}}
dotDotInPath := api.VolumeSource{DownwardAPI: &api.DownwardAPIVolumeSource{Items: []api.DownwardAPIVolumeFile{{Path: "../../passwd",
FieldRef: api.ObjectFieldSelector{
APIVersion: "v1",
FieldPath: "metadata.labels"}}},
}}
dotDotPathName := api.VolumeSource{DownwardAPI: &api.DownwardAPIVolumeSource{Items: []api.DownwardAPIVolumeFile{{Path: "..badFileName",
FieldRef: api.ObjectFieldSelector{
APIVersion: "v1",
FieldPath: "metadata.labels"}}},
}}
dotDotFirstLevelDirent := api.VolumeSource{DownwardAPI: &api.DownwardAPIVolumeSource{Items: []api.DownwardAPIVolumeFile{{Path: "..badDirName/goodFileName",
FieldRef: api.ObjectFieldSelector{
APIVersion: "v1",
FieldPath: "metadata.labels"}}},
}}
zeroWWN := api.VolumeSource{FC: &api.FCVolumeSource{[]string{}, &lun, "ext4", false}}
emptyLun := api.VolumeSource{FC: &api.FCVolumeSource{[]string{"wwn"}, nil, "ext4", false}}
slashInName := api.VolumeSource{Flocker: &api.FlockerVolumeSource{DatasetName: "foo/bar"}}
errorCases := map[string]struct {
V []api.Volume
T errors.ValidationErrorType
F string
D string
}{
"zero-length name": {[]api.Volume{{Name: "", VolumeSource: emptyVS}}, errors.ValidationErrorTypeRequired, "[0].name", ""},
"name > 63 characters": {[]api.Volume{{Name: strings.Repeat("a", 64), VolumeSource: emptyVS}}, errors.ValidationErrorTypeInvalid, "[0].name", "must be a DNS label (at most 63 characters, matching regex [a-z0-9]([-a-z0-9]*[a-z0-9])?): e.g. \"my-name\""},
"name not a DNS label": {[]api.Volume{{Name: "a.b.c", VolumeSource: emptyVS}}, errors.ValidationErrorTypeInvalid, "[0].name", "must be a DNS label (at most 63 characters, matching regex [a-z0-9]([-a-z0-9]*[a-z0-9])?): e.g. \"my-name\""},
"name not unique": {[]api.Volume{{Name: "abc", VolumeSource: emptyVS}, {Name: "abc", VolumeSource: emptyVS}}, errors.ValidationErrorTypeDuplicate, "[1].name", ""},
"empty portal": {[]api.Volume{{Name: "badportal", VolumeSource: emptyPortal}}, errors.ValidationErrorTypeRequired, "[0].source.iscsi.targetPortal", ""},
"empty iqn": {[]api.Volume{{Name: "badiqn", VolumeSource: emptyIQN}}, errors.ValidationErrorTypeRequired, "[0].source.iscsi.iqn", ""},
"empty hosts": {[]api.Volume{{Name: "badhost", VolumeSource: emptyHosts}}, errors.ValidationErrorTypeRequired, "[0].source.glusterfs.endpoints", ""},
"empty path": {[]api.Volume{{Name: "badpath", VolumeSource: emptyPath}}, errors.ValidationErrorTypeRequired, "[0].source.glusterfs.path", ""},
"empty datasetName": {[]api.Volume{{Name: "badname", VolumeSource: emptyName}}, errors.ValidationErrorTypeRequired, "[0].source.flocker.datasetName", ""},
"empty mon": {[]api.Volume{{Name: "badmon", VolumeSource: emptyMon}}, errors.ValidationErrorTypeRequired, "[0].source.rbd.monitors", ""},
"empty image": {[]api.Volume{{Name: "badimage", VolumeSource: emptyImage}}, errors.ValidationErrorTypeRequired, "[0].source.rbd.image", ""},
"empty cephfs mon": {[]api.Volume{{Name: "badmon", VolumeSource: emptyCephFSMon}}, errors.ValidationErrorTypeRequired, "[0].source.cephfs.monitors", ""},
"empty metatada path": {[]api.Volume{{Name: "emptyname", VolumeSource: emptyPathName}}, errors.ValidationErrorTypeRequired, "[0].source.downwardApi.path", ""},
"absolute path": {[]api.Volume{{Name: "absolutepath", VolumeSource: absolutePathName}}, errors.ValidationErrorTypeForbidden, "[0].source.downwardApi.path", ""},
"dot dot path": {[]api.Volume{{Name: "dotdotpath", VolumeSource: dotDotInPath}}, errors.ValidationErrorTypeInvalid, "[0].source.downwardApi.path", "must not contain \"..\"."},
"dot dot file name": {[]api.Volume{{Name: "dotdotfilename", VolumeSource: dotDotPathName}}, errors.ValidationErrorTypeInvalid, "[0].source.downwardApi.path", "must not start with \"..\"."},
"dot dot first level dirent": {[]api.Volume{{Name: "dotdotdirfilename", VolumeSource: dotDotFirstLevelDirent}}, errors.ValidationErrorTypeInvalid, "[0].source.downwardApi.path", "must not start with \"..\"."},
"empty wwn": {[]api.Volume{{Name: "badimage", VolumeSource: zeroWWN}}, errors.ValidationErrorTypeRequired, "[0].source.fc.targetWWNs", ""},
"empty lun": {[]api.Volume{{Name: "badimage", VolumeSource: emptyLun}}, errors.ValidationErrorTypeRequired, "[0].source.fc.lun", ""},
"slash in datasetName": {[]api.Volume{{Name: "slashinname", VolumeSource: slashInName}}, errors.ValidationErrorTypeInvalid, "[0].source.flocker.datasetName", "must not contain '/'"},
}
for k, v := range errorCases {
_, errs := validateVolumes(v.V)
if len(errs) == 0 {
t.Errorf("expected failure %s for %v", k, v.V)
continue
}
for i := range errs {
if errs[i].(*errors.ValidationError).Type != v.T {
t.Errorf("%s: expected errors to have type %s: %v", k, v.T, errs[i])
}
if errs[i].(*errors.ValidationError).Field != v.F {
t.Errorf("%s: expected errors to have field %s: %v", k, v.F, errs[i])
}
detail := errs[i].(*errors.ValidationError).Detail
if detail != v.D {
t.Errorf("%s: expected error detail \"%s\", got \"%s\"", k, v.D, detail)
}
}
}
}
func TestValidatePorts(t *testing.T) {
successCase := []api.ContainerPort{
{Name: "abc", ContainerPort: 80, HostPort: 80, Protocol: "TCP"},
{Name: "easy", ContainerPort: 82, Protocol: "TCP"},
{Name: "as", ContainerPort: 83, Protocol: "UDP"},
{Name: "do-re-me", ContainerPort: 84, Protocol: "UDP"},
{ContainerPort: 85, Protocol: "TCP"},
}
if errs := validatePorts(successCase); len(errs) != 0 {
t.Errorf("expected success: %v", errs)
}
nonCanonicalCase := []api.ContainerPort{
{ContainerPort: 80, Protocol: "TCP"},
}
if errs := validatePorts(nonCanonicalCase); len(errs) != 0 {
t.Errorf("expected success: %v", errs)
}
errorCases := map[string]struct {
P []api.ContainerPort
T errors.ValidationErrorType
F string
D string
}{
"name > 15 characters": {[]api.ContainerPort{{Name: strings.Repeat("a", 16), ContainerPort: 80, Protocol: "TCP"}}, errors.ValidationErrorTypeInvalid, "[0].name", portNameErrorMsg},
"name not a IANA svc name ": {[]api.ContainerPort{{Name: "a.b.c", ContainerPort: 80, Protocol: "TCP"}}, errors.ValidationErrorTypeInvalid, "[0].name", portNameErrorMsg},
"name not a IANA svc name (i.e. a number)": {[]api.ContainerPort{{Name: "80", ContainerPort: 80, Protocol: "TCP"}}, errors.ValidationErrorTypeInvalid, "[0].name", portNameErrorMsg},
"name not unique": {[]api.ContainerPort{
{Name: "abc", ContainerPort: 80, Protocol: "TCP"},
{Name: "abc", ContainerPort: 81, Protocol: "TCP"},
}, errors.ValidationErrorTypeDuplicate, "[1].name", ""},
"zero container port": {[]api.ContainerPort{{ContainerPort: 0, Protocol: "TCP"}}, errors.ValidationErrorTypeInvalid, "[0].containerPort", portRangeErrorMsg},
"invalid container port": {[]api.ContainerPort{{ContainerPort: 65536, Protocol: "TCP"}}, errors.ValidationErrorTypeInvalid, "[0].containerPort", portRangeErrorMsg},
"invalid host port": {[]api.ContainerPort{{ContainerPort: 80, HostPort: 65536, Protocol: "TCP"}}, errors.ValidationErrorTypeInvalid, "[0].hostPort", portRangeErrorMsg},
"invalid protocol case": {[]api.ContainerPort{{ContainerPort: 80, Protocol: "tcp"}}, errors.ValidationErrorTypeNotSupported, "[0].protocol", "supported values: TCP, UDP"},
"invalid protocol": {[]api.ContainerPort{{ContainerPort: 80, Protocol: "ICMP"}}, errors.ValidationErrorTypeNotSupported, "[0].protocol", "supported values: TCP, UDP"},
"protocol required": {[]api.ContainerPort{{Name: "abc", ContainerPort: 80}}, errors.ValidationErrorTypeRequired, "[0].protocol", ""},
}
for k, v := range errorCases {
errs := validatePorts(v.P)
if len(errs) == 0 {
t.Errorf("expected failure for %s", k)
}
for i := range errs {
if errs[i].(*errors.ValidationError).Type != v.T {
t.Errorf("%s: expected errors to have type %s: %v", k, v.T, errs[i])
}
if errs[i].(*errors.ValidationError).Field != v.F {
t.Errorf("%s: expected errors to have field %s: %v", k, v.F, errs[i])
}
detail := errs[i].(*errors.ValidationError).Detail
if detail != v.D {
t.Errorf("%s: expected error detail either empty or %s, got %s", k, v.D, detail)
}
}
}
}
func TestValidateEnv(t *testing.T) {
successCase := []api.EnvVar{
{Name: "abc", Value: "value"},
{Name: "ABC", Value: "value"},
{Name: "AbC_123", Value: "value"},
{Name: "abc", Value: ""},
{
Name: "abc",
ValueFrom: &api.EnvVarSource{
FieldRef: &api.ObjectFieldSelector{
APIVersion: testapi.Default.Version(),
FieldPath: "metadata.name",
},
},
},
}
if errs := validateEnv(successCase); len(errs) != 0 {
t.Errorf("expected success: %v", errs)
}
errorCases := []struct {
name string
envs []api.EnvVar
expectedError string
}{
{
name: "zero-length name",
envs: []api.EnvVar{{Name: ""}},
expectedError: "[0].name: required value",
},
{
name: "name not a C identifier",
envs: []api.EnvVar{{Name: "a.b.c"}},
expectedError: `[0].name: invalid value 'a.b.c', Details: must be a C identifier (matching regex [A-Za-z_][A-Za-z0-9_]*): e.g. "my_name" or "MyName"`,
},
{
name: "value and valueFrom specified",
envs: []api.EnvVar{{
Name: "abc",
Value: "foo",
ValueFrom: &api.EnvVarSource{
FieldRef: &api.ObjectFieldSelector{
APIVersion: testapi.Default.Version(),
FieldPath: "metadata.name",
},
},
}},
expectedError: "[0].valueFrom: invalid value '', Details: sources cannot be specified when value is not empty",
},
{
name: "missing FieldPath on ObjectFieldSelector",
envs: []api.EnvVar{{
Name: "abc",
ValueFrom: &api.EnvVarSource{
FieldRef: &api.ObjectFieldSelector{
APIVersion: testapi.Default.Version(),
},
},
}},
expectedError: "[0].valueFrom.fieldRef.fieldPath: required value",
},
{
name: "missing APIVersion on ObjectFieldSelector",
envs: []api.EnvVar{{
Name: "abc",
ValueFrom: &api.EnvVarSource{
FieldRef: &api.ObjectFieldSelector{
FieldPath: "metadata.name",
},
},
}},
expectedError: "[0].valueFrom.fieldRef.apiVersion: required value",
},
{
name: "invalid fieldPath",
envs: []api.EnvVar{{
Name: "abc",
ValueFrom: &api.EnvVarSource{
FieldRef: &api.ObjectFieldSelector{
FieldPath: "metadata.whoops",
APIVersion: testapi.Default.Version(),
},
},
}},
expectedError: "[0].valueFrom.fieldRef.fieldPath: invalid value 'metadata.whoops', Details: error converting fieldPath",
},
{
name: "invalid fieldPath labels",
envs: []api.EnvVar{{
Name: "labels",
ValueFrom: &api.EnvVarSource{
FieldRef: &api.ObjectFieldSelector{
FieldPath: "metadata.labels",
APIVersion: "v1",
},
},
}},
expectedError: "[0].valueFrom.fieldRef.fieldPath: unsupported value 'metadata.labels', Details: supported values: metadata.name, metadata.namespace, status.podIP",
},
{
name: "invalid fieldPath annotations",
envs: []api.EnvVar{{
Name: "abc",
ValueFrom: &api.EnvVarSource{
FieldRef: &api.ObjectFieldSelector{
FieldPath: "metadata.annotations",
APIVersion: "v1",
},
},
}},
expectedError: "[0].valueFrom.fieldRef.fieldPath: unsupported value 'metadata.annotations', Details: supported values: metadata.name, metadata.namespace, status.podIP",
},
{
name: "unsupported fieldPath",
envs: []api.EnvVar{{
Name: "abc",
ValueFrom: &api.EnvVarSource{
FieldRef: &api.ObjectFieldSelector{
FieldPath: "status.phase",
APIVersion: testapi.Default.Version(),
},
},
}},
expectedError: "[0].valueFrom.fieldRef.fieldPath: unsupported value 'status.phase', Details: supported values: metadata.name, metadata.namespace, status.podIP",
},
}
for _, tc := range errorCases {
if errs := validateEnv(tc.envs); len(errs) == 0 {
t.Errorf("expected failure for %s", tc.name)
} else {
for i := range errs {
str := errs[i].(*errors.ValidationError).Error()
if str != "" && str != tc.expectedError {
t.Errorf("%s: expected error detail either empty or %s, got %s", tc.name, tc.expectedError, str)
}
}
}
}
}
func TestValidateVolumeMounts(t *testing.T) {
volumes := sets.NewString("abc", "123", "abc-123")
successCase := []api.VolumeMount{
{Name: "abc", MountPath: "/foo"},
{Name: "123", MountPath: "/foo"},
{Name: "abc-123", MountPath: "/bar"},
}
if errs := validateVolumeMounts(successCase, volumes); len(errs) != 0 {
t.Errorf("expected success: %v", errs)
}
errorCases := map[string][]api.VolumeMount{
"empty name": {{Name: "", MountPath: "/foo"}},
"name not found": {{Name: "", MountPath: "/foo"}},
"empty mountpath": {{Name: "abc", MountPath: ""}},
}
for k, v := range errorCases {
if errs := validateVolumeMounts(v, volumes); len(errs) == 0 {
t.Errorf("expected failure for %s", k)
}
}
}
func TestValidateProbe(t *testing.T) {
handler := api.Handler{Exec: &api.ExecAction{Command: []string{"echo"}}}
successCases := []*api.Probe{
nil,
{TimeoutSeconds: 10, InitialDelaySeconds: 0, Handler: handler},
{TimeoutSeconds: 0, InitialDelaySeconds: 10, Handler: handler},
}
for _, p := range successCases {
if errs := validateProbe(p); len(errs) != 0 {
t.Errorf("expected success: %v", errs)
}
}
errorCases := []*api.Probe{
{TimeoutSeconds: 10, InitialDelaySeconds: 10},
{TimeoutSeconds: 10, InitialDelaySeconds: -10, Handler: handler},
{TimeoutSeconds: -10, InitialDelaySeconds: 10, Handler: handler},
{TimeoutSeconds: -10, InitialDelaySeconds: -10, Handler: handler},
}
for _, p := range errorCases {
if errs := validateProbe(p); len(errs) == 0 {
t.Errorf("expected failure for %v", p)
}
}
}
func TestValidateHandler(t *testing.T) {
successCases := []api.Handler{
{Exec: &api.ExecAction{Command: []string{"echo"}}},
{HTTPGet: &api.HTTPGetAction{Path: "/", Port: util.NewIntOrStringFromInt(1), Host: "", Scheme: "HTTP"}},
{HTTPGet: &api.HTTPGetAction{Path: "/foo", Port: util.NewIntOrStringFromInt(65535), Host: "host", Scheme: "HTTP"}},
{HTTPGet: &api.HTTPGetAction{Path: "/", Port: util.NewIntOrStringFromString("port"), Host: "", Scheme: "HTTP"}},
}
for _, h := range successCases {
if errs := validateHandler(&h); len(errs) != 0 {
t.Errorf("expected success: %v", errs)
}
}
errorCases := []api.Handler{
{},
{Exec: &api.ExecAction{Command: []string{}}},
{HTTPGet: &api.HTTPGetAction{Path: "", Port: util.NewIntOrStringFromInt(0), Host: ""}},
{HTTPGet: &api.HTTPGetAction{Path: "/foo", Port: util.NewIntOrStringFromInt(65536), Host: "host"}},
{HTTPGet: &api.HTTPGetAction{Path: "", Port: util.NewIntOrStringFromString(""), Host: ""}},
}
for _, h := range errorCases {
if errs := validateHandler(&h); len(errs) == 0 {
t.Errorf("expected failure for %#v", h)
}
}
}
func TestValidatePullPolicy(t *testing.T) {
type T struct {
Container api.Container
ExpectedPolicy api.PullPolicy
}
testCases := map[string]T{
"NotPresent1": {
api.Container{Name: "abc", Image: "image:latest", ImagePullPolicy: "IfNotPresent"},
api.PullIfNotPresent,
},
"NotPresent2": {
api.Container{Name: "abc1", Image: "image", ImagePullPolicy: "IfNotPresent"},
api.PullIfNotPresent,
},
"Always1": {
api.Container{Name: "123", Image: "image:latest", ImagePullPolicy: "Always"},
api.PullAlways,
},
"Always2": {
api.Container{Name: "1234", Image: "image", ImagePullPolicy: "Always"},
api.PullAlways,
},
"Never1": {
api.Container{Name: "abc-123", Image: "image:latest", ImagePullPolicy: "Never"},
api.PullNever,
},
"Never2": {
api.Container{Name: "abc-1234", Image: "image", ImagePullPolicy: "Never"},
api.PullNever,
},
}
for k, v := range testCases {
ctr := &v.Container
errs := validatePullPolicy(ctr)
if len(errs) != 0 {
t.Errorf("case[%s] expected success, got %#v", k, errs)
}
if ctr.ImagePullPolicy != v.ExpectedPolicy {
t.Errorf("case[%s] expected policy %v, got %v", k, v.ExpectedPolicy, ctr.ImagePullPolicy)
}
}
}
func getResourceLimits(cpu, memory string) api.ResourceList {
res := api.ResourceList{}
res[api.ResourceCPU] = resource.MustParse(cpu)
res[api.ResourceMemory] = resource.MustParse(memory)
return res
}
func TestValidateContainers(t *testing.T) {
volumes := sets.String{}
capabilities.SetForTests(capabilities.Capabilities{
AllowPrivileged: true,
})
successCase := []api.Container{
{Name: "abc", Image: "image", ImagePullPolicy: "IfNotPresent"},
{Name: "123", Image: "image", ImagePullPolicy: "IfNotPresent"},
{Name: "abc-123", Image: "image", ImagePullPolicy: "IfNotPresent"},
{
Name: "life-123",
Image: "image",
Lifecycle: &api.Lifecycle{
PreStop: &api.Handler{
Exec: &api.ExecAction{Command: []string{"ls", "-l"}},
},
},
ImagePullPolicy: "IfNotPresent",
},
{
Name: "resources-test",
Image: "image",
Resources: api.ResourceRequirements{
Limits: api.ResourceList{
api.ResourceName(api.ResourceCPU): resource.MustParse("10"),
api.ResourceName(api.ResourceMemory): resource.MustParse("10G"),
api.ResourceName("my.org/resource"): resource.MustParse("10m"),
},
},
ImagePullPolicy: "IfNotPresent",
},
{
Name: "resources-request-limit-simple",
Image: "image",
Resources: api.ResourceRequirements{
Requests: api.ResourceList{
api.ResourceName(api.ResourceCPU): resource.MustParse("8"),
},
Limits: api.ResourceList{
api.ResourceName(api.ResourceCPU): resource.MustParse("10"),
},
},
ImagePullPolicy: "IfNotPresent",
},
{
Name: "resources-request-limit-edge",
Image: "image",
Resources: api.ResourceRequirements{
Requests: api.ResourceList{
api.ResourceName(api.ResourceCPU): resource.MustParse("10"),
api.ResourceName(api.ResourceMemory): resource.MustParse("10G"),
api.ResourceName("my.org/resource"): resource.MustParse("10m"),
},
Limits: api.ResourceList{
api.ResourceName(api.ResourceCPU): resource.MustParse("10"),
api.ResourceName(api.ResourceMemory): resource.MustParse("10G"),
api.ResourceName("my.org/resource"): resource.MustParse("10m"),
},
},
ImagePullPolicy: "IfNotPresent",
},
{
Name: "resources-request-limit-partials",
Image: "image",
Resources: api.ResourceRequirements{
Requests: api.ResourceList{
api.ResourceName(api.ResourceCPU): resource.MustParse("9.5"),
api.ResourceName(api.ResourceMemory): resource.MustParse("10G"),
},
Limits: api.ResourceList{
api.ResourceName(api.ResourceCPU): resource.MustParse("10"),
api.ResourceName("my.org/resource"): resource.MustParse("10m"),
},
},
ImagePullPolicy: "IfNotPresent",
},
{
Name: "resources-request",
Image: "image",
Resources: api.ResourceRequirements{
Requests: api.ResourceList{
api.ResourceName(api.ResourceCPU): resource.MustParse("9.5"),
api.ResourceName(api.ResourceMemory): resource.MustParse("10G"),
},
},
ImagePullPolicy: "IfNotPresent",
},
{
Name: "same-host-port-different-protocol",