mirror of https://github.com/k3s-io/k3s
618 lines
17 KiB
Go
618 lines
17 KiB
Go
/*
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Copyright 2014 Google Inc. All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package validation
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import (
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"strings"
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"testing"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/api/errors"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/capabilities"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/util"
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)
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func expectPrefix(t *testing.T, prefix string, errs errors.ErrorList) {
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for i := range errs {
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if !strings.HasPrefix(errs[i].(errors.ValidationError).Field, prefix) {
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t.Errorf("expected prefix '%s' for %v", errs[i])
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}
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}
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}
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func TestValidateVolumes(t *testing.T) {
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successCase := []api.Volume{
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{Name: "abc"},
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{Name: "123", Source: &api.VolumeSource{HostDirectory: &api.HostDirectory{"/mnt/path2"}}},
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{Name: "abc-123", Source: &api.VolumeSource{HostDirectory: &api.HostDirectory{"/mnt/path3"}}},
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{Name: "empty", Source: &api.VolumeSource{EmptyDirectory: &api.EmptyDirectory{}}},
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}
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names, errs := validateVolumes(successCase)
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if len(errs) != 0 {
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t.Errorf("expected success: %v", errs)
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}
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if len(names) != 4 || !names.HasAll("abc", "123", "abc-123", "empty") {
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t.Errorf("wrong names result: %v", names)
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}
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errorCases := map[string]struct {
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V []api.Volume
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T errors.ValidationErrorType
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F string
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}{
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"zero-length name": {[]api.Volume{{Name: ""}}, errors.ValidationErrorTypeRequired, "[0].name"},
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"name > 63 characters": {[]api.Volume{{Name: strings.Repeat("a", 64)}}, errors.ValidationErrorTypeInvalid, "[0].name"},
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"name not a DNS label": {[]api.Volume{{Name: "a.b.c"}}, errors.ValidationErrorTypeInvalid, "[0].name"},
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"name not unique": {[]api.Volume{{Name: "abc"}, {Name: "abc"}}, errors.ValidationErrorTypeDuplicate, "[1].name"},
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}
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for k, v := range errorCases {
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_, errs := validateVolumes(v.V)
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if len(errs) == 0 {
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t.Errorf("expected failure for %s", k)
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continue
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}
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for i := range errs {
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if errs[i].(errors.ValidationError).Type != v.T {
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t.Errorf("%s: expected errors to have type %s: %v", k, v.T, errs[i])
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}
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if errs[i].(errors.ValidationError).Field != v.F {
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t.Errorf("%s: expected errors to have field %s: %v", k, v.F, errs[i])
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}
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}
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}
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}
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func TestValidatePorts(t *testing.T) {
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successCase := []api.Port{
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{Name: "abc", ContainerPort: 80, HostPort: 80, Protocol: "TCP"},
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{Name: "123", ContainerPort: 81, HostPort: 81},
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{Name: "easy", ContainerPort: 82, Protocol: "TCP"},
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{Name: "as", ContainerPort: 83, Protocol: "UDP"},
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{Name: "do-re-me", ContainerPort: 84},
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{Name: "baby-you-and-me", ContainerPort: 82, Protocol: "tcp"},
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{ContainerPort: 85},
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}
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if errs := validatePorts(successCase); len(errs) != 0 {
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t.Errorf("expected success: %v", errs)
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}
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nonCanonicalCase := []api.Port{
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{ContainerPort: 80},
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}
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if errs := validatePorts(nonCanonicalCase); len(errs) != 0 {
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t.Errorf("expected success: %v", errs)
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}
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if nonCanonicalCase[0].HostPort != 0 || nonCanonicalCase[0].Protocol != "TCP" {
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t.Errorf("expected default values: %+v", nonCanonicalCase[0])
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}
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errorCases := map[string]struct {
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P []api.Port
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T errors.ValidationErrorType
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F string
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}{
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"name > 63 characters": {[]api.Port{{Name: strings.Repeat("a", 64), ContainerPort: 80}}, errors.ValidationErrorTypeInvalid, "[0].name"},
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"name not a DNS label": {[]api.Port{{Name: "a.b.c", ContainerPort: 80}}, errors.ValidationErrorTypeInvalid, "[0].name"},
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"name not unique": {[]api.Port{
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{Name: "abc", ContainerPort: 80},
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{Name: "abc", ContainerPort: 81},
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}, errors.ValidationErrorTypeDuplicate, "[1].name"},
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"zero container port": {[]api.Port{{ContainerPort: 0}}, errors.ValidationErrorTypeRequired, "[0].containerPort"},
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"invalid container port": {[]api.Port{{ContainerPort: 65536}}, errors.ValidationErrorTypeInvalid, "[0].containerPort"},
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"invalid host port": {[]api.Port{{ContainerPort: 80, HostPort: 65536}}, errors.ValidationErrorTypeInvalid, "[0].hostPort"},
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"invalid protocol": {[]api.Port{{ContainerPort: 80, Protocol: "ICMP"}}, errors.ValidationErrorTypeNotSupported, "[0].protocol"},
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}
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for k, v := range errorCases {
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errs := validatePorts(v.P)
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if len(errs) == 0 {
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t.Errorf("expected failure for %s", k)
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}
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for i := range errs {
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if errs[i].(errors.ValidationError).Type != v.T {
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t.Errorf("%s: expected errors to have type %s: %v", k, v.T, errs[i])
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}
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if errs[i].(errors.ValidationError).Field != v.F {
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t.Errorf("%s: expected errors to have field %s: %v", k, v.F, errs[i])
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}
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}
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}
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}
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func TestValidateEnv(t *testing.T) {
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successCase := []api.EnvVar{
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{Name: "abc", Value: "value"},
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{Name: "ABC", Value: "value"},
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{Name: "AbC_123", Value: "value"},
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{Name: "abc", Value: ""},
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}
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if errs := validateEnv(successCase); len(errs) != 0 {
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t.Errorf("expected success: %v", errs)
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}
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errorCases := map[string][]api.EnvVar{
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"zero-length name": {{Name: ""}},
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"name not a C identifier": {{Name: "a.b.c"}},
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}
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for k, v := range errorCases {
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if errs := validateEnv(v); len(errs) == 0 {
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t.Errorf("expected failure for %s", k)
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}
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}
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}
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func TestValidateVolumeMounts(t *testing.T) {
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volumes := util.NewStringSet("abc", "123", "abc-123")
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successCase := []api.VolumeMount{
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{Name: "abc", MountPath: "/foo"},
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{Name: "123", MountPath: "/foo"},
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{Name: "abc-123", MountPath: "/bar"},
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}
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if errs := validateVolumeMounts(successCase, volumes); len(errs) != 0 {
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t.Errorf("expected success: %v", errs)
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}
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errorCases := map[string][]api.VolumeMount{
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"empty name": {{Name: "", MountPath: "/foo"}},
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"name not found": {{Name: "", MountPath: "/foo"}},
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"empty mountpath": {{Name: "abc", MountPath: ""}},
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}
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for k, v := range errorCases {
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if errs := validateVolumeMounts(v, volumes); len(errs) == 0 {
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t.Errorf("expected failure for %s", k)
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}
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}
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}
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func TestValidateContainers(t *testing.T) {
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volumes := util.StringSet{}
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capabilities.SetForTests(capabilities.Capabilities{
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AllowPrivileged: true,
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})
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successCase := []api.Container{
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{Name: "abc", Image: "image"},
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{Name: "123", Image: "image"},
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{Name: "abc-123", Image: "image"},
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{
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Name: "life-123",
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Image: "image",
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Lifecycle: &api.Lifecycle{
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PreStop: &api.Handler{
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Exec: &api.ExecAction{Command: []string{"ls", "-l"}},
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},
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},
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},
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{Name: "abc-1234", Image: "image", Privileged: true},
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}
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if errs := validateContainers(successCase, volumes); len(errs) != 0 {
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t.Errorf("expected success: %v", errs)
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}
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capabilities.SetForTests(capabilities.Capabilities{
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AllowPrivileged: false,
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})
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errorCases := map[string][]api.Container{
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"zero-length name": {{Name: "", Image: "image"}},
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"name > 63 characters": {{Name: strings.Repeat("a", 64), Image: "image"}},
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"name not a DNS label": {{Name: "a.b.c", Image: "image"}},
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"name not unique": {
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{Name: "abc", Image: "image"},
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{Name: "abc", Image: "image"},
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},
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"zero-length image": {{Name: "abc", Image: ""}},
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"host port not unique": {
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{Name: "abc", Image: "image", Ports: []api.Port{{ContainerPort: 80, HostPort: 80}}},
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{Name: "def", Image: "image", Ports: []api.Port{{ContainerPort: 81, HostPort: 80}}},
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},
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"invalid env var name": {
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{Name: "abc", Image: "image", Env: []api.EnvVar{{Name: "ev.1"}}},
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},
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"unknown volume name": {
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{Name: "abc", Image: "image", VolumeMounts: []api.VolumeMount{{Name: "anything", MountPath: "/foo"}}},
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},
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"invalid lifecycle, no exec command.": {
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{
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Name: "life-123",
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Image: "image",
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Lifecycle: &api.Lifecycle{
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PreStop: &api.Handler{
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Exec: &api.ExecAction{},
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},
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},
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},
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},
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"invalid lifecycle, no http path.": {
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{
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Name: "life-123",
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Image: "image",
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Lifecycle: &api.Lifecycle{
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PreStop: &api.Handler{
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HTTPGet: &api.HTTPGetAction{},
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},
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},
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},
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},
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"invalid lifecycle, no action.": {
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{
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Name: "life-123",
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Image: "image",
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Lifecycle: &api.Lifecycle{
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PreStop: &api.Handler{},
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},
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},
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},
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"privilege disabled": {
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{Name: "abc", Image: "image", Privileged: true},
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},
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}
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for k, v := range errorCases {
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if errs := validateContainers(v, volumes); len(errs) == 0 {
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t.Errorf("expected failure for %s", k)
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}
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}
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}
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func TestValidateRestartPolicy(t *testing.T) {
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successCases := []api.RestartPolicy{
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{},
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{Always: &api.RestartPolicyAlways{}},
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{OnFailure: &api.RestartPolicyOnFailure{}},
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{Never: &api.RestartPolicyNever{}},
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}
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for _, policy := range successCases {
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if errs := validateRestartPolicy(&policy); len(errs) != 0 {
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t.Errorf("expected success: %v", errs)
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}
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}
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errorCases := []api.RestartPolicy{
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{Always: &api.RestartPolicyAlways{}, Never: &api.RestartPolicyNever{}},
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{Never: &api.RestartPolicyNever{}, OnFailure: &api.RestartPolicyOnFailure{}},
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}
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for k, policy := range errorCases {
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if errs := validateRestartPolicy(&policy); len(errs) == 0 {
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t.Errorf("expected failure for %s", k)
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}
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}
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noPolicySpecified := api.RestartPolicy{}
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errs := validateRestartPolicy(&noPolicySpecified)
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if len(errs) != 0 {
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t.Errorf("expected success: %v", errs)
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}
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if noPolicySpecified.Always == nil {
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t.Errorf("expected Always policy specified")
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}
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}
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func TestValidateManifest(t *testing.T) {
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successCases := []api.ContainerManifest{
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{Version: "v1beta1", ID: "abc"},
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{Version: "v1beta2", ID: "123"},
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{Version: "V1BETA1", ID: "abc.123.do-re-mi"},
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{
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Version: "v1beta1",
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ID: "abc",
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Volumes: []api.Volume{{Name: "vol1", Source: &api.VolumeSource{HostDirectory: &api.HostDirectory{"/mnt/vol1"}}},
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{Name: "vol2", Source: &api.VolumeSource{HostDirectory: &api.HostDirectory{"/mnt/vol2"}}}},
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Containers: []api.Container{
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{
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Name: "abc",
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Image: "image",
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Command: []string{"foo", "bar"},
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WorkingDir: "/tmp",
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Memory: 1,
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CPU: 1,
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Ports: []api.Port{
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{Name: "p1", ContainerPort: 80, HostPort: 8080},
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{Name: "p2", ContainerPort: 81},
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{ContainerPort: 82},
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},
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Env: []api.EnvVar{
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{Name: "ev1", Value: "val1"},
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{Name: "ev2", Value: "val2"},
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{Name: "EV3", Value: "val3"},
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},
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VolumeMounts: []api.VolumeMount{
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{Name: "vol1", MountPath: "/foo"},
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{Name: "vol1", MountPath: "/bar"},
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},
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},
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},
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},
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}
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for _, manifest := range successCases {
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if errs := ValidateManifest(&manifest); len(errs) != 0 {
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t.Errorf("expected success: %v", errs)
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}
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}
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errorCases := map[string]api.ContainerManifest{
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"empty version": {Version: "", ID: "abc"},
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"invalid version": {Version: "bogus", ID: "abc"},
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"invalid volume name": {
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Version: "v1beta1",
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ID: "abc",
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Volumes: []api.Volume{{Name: "vol.1"}},
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},
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"invalid container name": {
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Version: "v1beta1",
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ID: "abc",
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Containers: []api.Container{{Name: "ctr.1", Image: "image"}},
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},
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}
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for k, v := range errorCases {
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if errs := ValidateManifest(&v); len(errs) == 0 {
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t.Errorf("expected failure for %s", k)
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}
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}
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}
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func TestValidatePod(t *testing.T) {
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errs := ValidatePod(&api.Pod{
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JSONBase: api.JSONBase{ID: "foo"},
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Labels: map[string]string{
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"foo": "bar",
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},
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DesiredState: api.PodState{
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Manifest: api.ContainerManifest{
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Version: "v1beta1",
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ID: "abc",
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RestartPolicy: api.RestartPolicy{
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Always: &api.RestartPolicyAlways{},
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},
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},
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},
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})
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if len(errs) != 0 {
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t.Errorf("Unexpected non-zero error list: %#v", errs)
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}
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errs = ValidatePod(&api.Pod{
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JSONBase: api.JSONBase{ID: "foo"},
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Labels: map[string]string{
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"foo": "bar",
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},
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DesiredState: api.PodState{
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Manifest: api.ContainerManifest{Version: "v1beta1", ID: "abc"},
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},
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})
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if len(errs) != 0 {
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t.Errorf("Unexpected non-zero error list: %#v", errs)
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}
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errs = ValidatePod(&api.Pod{
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JSONBase: api.JSONBase{ID: "foo"},
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Labels: map[string]string{
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"foo": "bar",
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},
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DesiredState: api.PodState{
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Manifest: api.ContainerManifest{
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Version: "v1beta1",
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ID: "abc",
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RestartPolicy: api.RestartPolicy{Always: &api.RestartPolicyAlways{},
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Never: &api.RestartPolicyNever{}},
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},
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},
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})
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if len(errs) != 1 {
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t.Errorf("Unexpected error list: %#v", errs)
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}
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}
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func TestValidateService(t *testing.T) {
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testCases := []struct {
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name string
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svc api.Service
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numErrs int
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}{
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{
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name: "missing id",
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svc: api.Service{
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Port: 8675,
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Selector: map[string]string{"foo": "bar"},
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},
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// Should fail because the ID is missing.
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numErrs: 1,
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},
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{
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name: "invalid id",
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svc: api.Service{
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JSONBase: api.JSONBase{ID: "123abc"},
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Port: 8675,
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Selector: map[string]string{"foo": "bar"},
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},
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// Should fail because the ID is invalid.
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numErrs: 1,
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},
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{
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name: "missing port",
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svc: api.Service{
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JSONBase: api.JSONBase{ID: "abc123"},
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Selector: map[string]string{"foo": "bar"},
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},
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// Should fail because the port number is missing/invalid.
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numErrs: 1,
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},
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{
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name: "invalid port",
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svc: api.Service{
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JSONBase: api.JSONBase{ID: "abc123"},
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Port: 65536,
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Selector: map[string]string{"foo": "bar"},
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},
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// Should fail because the port number is invalid.
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numErrs: 1,
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},
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{
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name: "invalid protocol",
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svc: api.Service{
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JSONBase: api.JSONBase{ID: "abc123"},
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Port: 8675,
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Protocol: "INVALID",
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Selector: map[string]string{"foo": "bar"},
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},
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// Should fail because the protocol is invalid.
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numErrs: 1,
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},
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{
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name: "missing selector",
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svc: api.Service{
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JSONBase: api.JSONBase{ID: "foo"},
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Port: 8675,
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},
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// Should fail because the selector is missing.
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numErrs: 1,
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},
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{
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name: "valid 1",
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svc: api.Service{
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JSONBase: api.JSONBase{ID: "abc123"},
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Port: 1,
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Protocol: "TCP",
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Selector: map[string]string{"foo": "bar"},
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},
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numErrs: 0,
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},
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{
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name: "valid 2",
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svc: api.Service{
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JSONBase: api.JSONBase{ID: "abc123"},
|
|
Port: 65535,
|
|
Protocol: "UDP",
|
|
Selector: map[string]string{"foo": "bar"},
|
|
},
|
|
numErrs: 0,
|
|
},
|
|
{
|
|
name: "valid 3",
|
|
svc: api.Service{
|
|
JSONBase: api.JSONBase{ID: "abc123"},
|
|
Port: 80,
|
|
Selector: map[string]string{"foo": "bar"},
|
|
},
|
|
numErrs: 0,
|
|
},
|
|
}
|
|
|
|
for _, tc := range testCases {
|
|
errs := ValidateService(&tc.svc)
|
|
if len(errs) != tc.numErrs {
|
|
t.Errorf("Unexpected error list for case %q: %+v", tc.name, errs)
|
|
}
|
|
}
|
|
|
|
svc := api.Service{
|
|
Port: 6502,
|
|
JSONBase: api.JSONBase{ID: "foo"},
|
|
Selector: map[string]string{"foo": "bar"},
|
|
}
|
|
errs := ValidateService(&svc)
|
|
if len(errs) != 0 {
|
|
t.Errorf("Unexpected non-zero error list: %#v", errs)
|
|
}
|
|
if svc.Protocol != "TCP" {
|
|
t.Errorf("Expected default protocol of 'TCP': %#v", errs)
|
|
}
|
|
}
|
|
|
|
func TestValidateReplicationController(t *testing.T) {
|
|
validSelector := map[string]string{"a": "b"}
|
|
validPodTemplate := api.PodTemplate{
|
|
DesiredState: api.PodState{
|
|
Manifest: api.ContainerManifest{
|
|
Version: "v1beta1",
|
|
},
|
|
},
|
|
Labels: validSelector,
|
|
}
|
|
|
|
successCases := []api.ReplicationController{
|
|
{
|
|
JSONBase: api.JSONBase{ID: "abc"},
|
|
DesiredState: api.ReplicationControllerState{
|
|
ReplicaSelector: validSelector,
|
|
PodTemplate: validPodTemplate,
|
|
},
|
|
},
|
|
{
|
|
JSONBase: api.JSONBase{ID: "abc-123"},
|
|
DesiredState: api.ReplicationControllerState{
|
|
ReplicaSelector: validSelector,
|
|
PodTemplate: validPodTemplate,
|
|
},
|
|
},
|
|
}
|
|
for _, successCase := range successCases {
|
|
if errs := ValidateReplicationController(&successCase); len(errs) != 0 {
|
|
t.Errorf("expected success: %v", errs)
|
|
}
|
|
}
|
|
|
|
errorCases := map[string]api.ReplicationController{
|
|
"zero-length ID": {
|
|
JSONBase: api.JSONBase{ID: ""},
|
|
DesiredState: api.ReplicationControllerState{
|
|
ReplicaSelector: validSelector,
|
|
PodTemplate: validPodTemplate,
|
|
},
|
|
},
|
|
"empty selector": {
|
|
JSONBase: api.JSONBase{ID: "abc"},
|
|
DesiredState: api.ReplicationControllerState{
|
|
PodTemplate: validPodTemplate,
|
|
},
|
|
},
|
|
"selector_doesnt_match": {
|
|
JSONBase: api.JSONBase{ID: "abc"},
|
|
DesiredState: api.ReplicationControllerState{
|
|
ReplicaSelector: map[string]string{"foo": "bar"},
|
|
PodTemplate: validPodTemplate,
|
|
},
|
|
},
|
|
"invalid manifest": {
|
|
JSONBase: api.JSONBase{ID: "abc"},
|
|
DesiredState: api.ReplicationControllerState{
|
|
ReplicaSelector: validSelector,
|
|
},
|
|
},
|
|
"negative_replicas": {
|
|
JSONBase: api.JSONBase{ID: "abc"},
|
|
DesiredState: api.ReplicationControllerState{
|
|
Replicas: -1,
|
|
ReplicaSelector: validSelector,
|
|
},
|
|
},
|
|
}
|
|
for k, v := range errorCases {
|
|
errs := ValidateReplicationController(&v)
|
|
if len(errs) == 0 {
|
|
t.Errorf("expected failure for %s", k)
|
|
}
|
|
for i := range errs {
|
|
field := errs[i].(errors.ValidationError).Field
|
|
if !strings.HasPrefix(field, "desiredState.podTemplate.") &&
|
|
field != "id" &&
|
|
field != "desiredState.replicaSelector" &&
|
|
field != "desiredState.replicas" {
|
|
t.Errorf("%s: missing prefix for: %v", k, errs[i])
|
|
}
|
|
}
|
|
}
|
|
}
|