diff --git a/pkg/apis/core/validation/validation.go b/pkg/apis/core/validation/validation.go index 6502d9c210a..bfe898b4615 100644 --- a/pkg/apis/core/validation/validation.go +++ b/pkg/apis/core/validation/validation.go @@ -3044,7 +3044,7 @@ func validatePullPolicy(policy core.PullPolicy, fldPath *field.Path) field.Error var supportedResizeResources = sets.NewString(string(core.ResourceCPU), string(core.ResourceMemory)) var supportedResizePolicies = sets.NewString(string(core.NotRequired), string(core.RestartContainer)) -func validateResizePolicy(policyList []core.ContainerResizePolicy, fldPath *field.Path) field.ErrorList { +func validateResizePolicy(policyList []core.ContainerResizePolicy, fldPath *field.Path, restartPolicy *core.RestartPolicy) field.ErrorList { allErrors := field.ErrorList{} // validate that resource name is not repeated, supported resource names and policy values are specified @@ -3068,13 +3068,17 @@ func validateResizePolicy(policyList []core.ContainerResizePolicy, fldPath *fiel default: allErrors = append(allErrors, field.NotSupported(fldPath, p.RestartPolicy, supportedResizePolicies.List())) } + + if *restartPolicy == core.RestartPolicyNever && p.RestartPolicy != core.NotRequired { + allErrors = append(allErrors, field.NotSupported(fldPath, p.RestartPolicy, []string{string(core.NotRequired)})) + } } return allErrors } // validateEphemeralContainers is called by pod spec and template validation to validate the list of ephemeral containers. // Note that this is called for pod template even though ephemeral containers aren't allowed in pod templates. -func validateEphemeralContainers(ephemeralContainers []core.EphemeralContainer, containers, initContainers []core.Container, volumes map[string]core.VolumeSource, podClaimNames sets.String, fldPath *field.Path, opts PodValidationOptions) field.ErrorList { +func validateEphemeralContainers(ephemeralContainers []core.EphemeralContainer, containers, initContainers []core.Container, volumes map[string]core.VolumeSource, podClaimNames sets.String, fldPath *field.Path, opts PodValidationOptions, restartPolicy *core.RestartPolicy) field.ErrorList { var allErrs field.ErrorList if len(ephemeralContainers) == 0 { @@ -3095,7 +3099,7 @@ func validateEphemeralContainers(ephemeralContainers []core.EphemeralContainer, idxPath := fldPath.Index(i) c := (*core.Container)(&ec.EphemeralContainerCommon) - allErrs = append(allErrs, validateContainerCommon(c, volumes, podClaimNames, idxPath, opts)...) + allErrs = append(allErrs, validateContainerCommon(c, volumes, podClaimNames, idxPath, opts, restartPolicy)...) // Ephemeral containers don't need looser constraints for pod templates, so it's convenient to apply both validations // here where we've already converted EphemeralContainerCommon to Container. allErrs = append(allErrs, validateContainerOnlyForPod(c, idxPath)...) @@ -3157,7 +3161,7 @@ func validateFieldAllowList(value interface{}, allowedFields map[string]bool, er } // validateInitContainers is called by pod spec and template validation to validate the list of init containers -func validateInitContainers(containers []core.Container, regularContainers []core.Container, volumes map[string]core.VolumeSource, podClaimNames sets.String, fldPath *field.Path, opts PodValidationOptions) field.ErrorList { +func validateInitContainers(containers []core.Container, regularContainers []core.Container, volumes map[string]core.VolumeSource, podClaimNames sets.String, fldPath *field.Path, opts PodValidationOptions, restartPolicy *core.RestartPolicy) field.ErrorList { var allErrs field.ErrorList allNames := sets.String{} @@ -3168,7 +3172,7 @@ func validateInitContainers(containers []core.Container, regularContainers []cor idxPath := fldPath.Index(i) // Apply the validation common to all container types - allErrs = append(allErrs, validateContainerCommon(&ctr, volumes, podClaimNames, idxPath, opts)...) + allErrs = append(allErrs, validateContainerCommon(&ctr, volumes, podClaimNames, idxPath, opts, restartPolicy)...) // Names must be unique within regular and init containers. Collisions with ephemeral containers // will be detected by validateEphemeralContainers(). @@ -3204,7 +3208,7 @@ func validateInitContainers(containers []core.Container, regularContainers []cor // validateContainerCommon applies validation common to all container types. It's called by regular, init, and ephemeral // container list validation to require a properly formatted name, image, etc. -func validateContainerCommon(ctr *core.Container, volumes map[string]core.VolumeSource, podClaimNames sets.String, path *field.Path, opts PodValidationOptions) field.ErrorList { +func validateContainerCommon(ctr *core.Container, volumes map[string]core.VolumeSource, podClaimNames sets.String, path *field.Path, opts PodValidationOptions, restartPolicy *core.RestartPolicy) field.ErrorList { var allErrs field.ErrorList namePath := path.Child("name") @@ -3242,7 +3246,7 @@ func validateContainerCommon(ctr *core.Container, volumes map[string]core.Volume allErrs = append(allErrs, ValidateVolumeDevices(ctr.VolumeDevices, volMounts, volumes, path.Child("volumeDevices"))...) allErrs = append(allErrs, validatePullPolicy(ctr.ImagePullPolicy, path.Child("imagePullPolicy"))...) allErrs = append(allErrs, ValidateResourceRequirements(&ctr.Resources, podClaimNames, path.Child("resources"), opts)...) - allErrs = append(allErrs, validateResizePolicy(ctr.ResizePolicy, path.Child("resizePolicy"))...) + allErrs = append(allErrs, validateResizePolicy(ctr.ResizePolicy, path.Child("resizePolicy"), restartPolicy)...) allErrs = append(allErrs, ValidateSecurityContext(ctr.SecurityContext, path.Child("securityContext"))...) return allErrs } @@ -3295,7 +3299,7 @@ func validateHostUsers(spec *core.PodSpec, fldPath *field.Path) field.ErrorList } // validateContainers is called by pod spec and template validation to validate the list of regular containers. -func validateContainers(containers []core.Container, volumes map[string]core.VolumeSource, podClaimNames sets.String, fldPath *field.Path, opts PodValidationOptions) field.ErrorList { +func validateContainers(containers []core.Container, volumes map[string]core.VolumeSource, podClaimNames sets.String, fldPath *field.Path, opts PodValidationOptions, restartPolicy *core.RestartPolicy) field.ErrorList { allErrs := field.ErrorList{} if len(containers) == 0 { @@ -3307,7 +3311,7 @@ func validateContainers(containers []core.Container, volumes map[string]core.Vol path := fldPath.Index(i) // Apply validation common to all containers - allErrs = append(allErrs, validateContainerCommon(&ctr, volumes, podClaimNames, path, opts)...) + allErrs = append(allErrs, validateContainerCommon(&ctr, volumes, podClaimNames, path, opts, restartPolicy)...) // Container names must be unique within the list of regular containers. // Collisions with init or ephemeral container names will be detected by the init or ephemeral @@ -3801,9 +3805,9 @@ func ValidatePodSpec(spec *core.PodSpec, podMeta *metav1.ObjectMeta, fldPath *fi allErrs = append(allErrs, vErrs...) podClaimNames := gatherPodResourceClaimNames(spec.ResourceClaims) allErrs = append(allErrs, validatePodResourceClaims(podMeta, spec.ResourceClaims, fldPath.Child("resourceClaims"))...) - allErrs = append(allErrs, validateContainers(spec.Containers, vols, podClaimNames, fldPath.Child("containers"), opts)...) - allErrs = append(allErrs, validateInitContainers(spec.InitContainers, spec.Containers, vols, podClaimNames, fldPath.Child("initContainers"), opts)...) - allErrs = append(allErrs, validateEphemeralContainers(spec.EphemeralContainers, spec.Containers, spec.InitContainers, vols, podClaimNames, fldPath.Child("ephemeralContainers"), opts)...) + allErrs = append(allErrs, validateContainers(spec.Containers, vols, podClaimNames, fldPath.Child("containers"), opts, &spec.RestartPolicy)...) + allErrs = append(allErrs, validateInitContainers(spec.InitContainers, spec.Containers, vols, podClaimNames, fldPath.Child("initContainers"), opts, &spec.RestartPolicy)...) + allErrs = append(allErrs, validateEphemeralContainers(spec.EphemeralContainers, spec.Containers, spec.InitContainers, vols, podClaimNames, fldPath.Child("ephemeralContainers"), opts, &spec.RestartPolicy)...) allErrs = append(allErrs, validatePodHostNetworkDeps(spec, fldPath, opts)...) allErrs = append(allErrs, validateRestartPolicy(&spec.RestartPolicy, fldPath.Child("restartPolicy"))...) allErrs = append(allErrs, validateDNSPolicy(&spec.DNSPolicy, fldPath.Child("dnsPolicy"))...) diff --git a/pkg/apis/core/validation/validation_test.go b/pkg/apis/core/validation/validation_test.go index 7474473f816..e5462f715d0 100644 --- a/pkg/apis/core/validation/validation_test.go +++ b/pkg/apis/core/validation/validation_test.go @@ -6821,8 +6821,10 @@ func TestValidateResizePolicy(t *testing.T) { field.ErrorList{field.Duplicate(field.NewPath("field").Index(2), core.ResourceCPU)}, }, } + var PodRestartPolicy core.RestartPolicy + PodRestartPolicy = "Never" for k, v := range testCases { - errs := validateResizePolicy(v.PolicyList, field.NewPath("field")) + errs := validateResizePolicy(v.PolicyList, field.NewPath("field"), &PodRestartPolicy) if !v.ExpectError && len(errs) > 0 { t.Errorf("Testcase %s - expected success, got error: %+v", k, errs) } @@ -6918,7 +6920,9 @@ func TestValidateEphemeralContainers(t *testing.T) { }, }}, } { - if errs := validateEphemeralContainers(ephemeralContainers, containers, initContainers, vols, nil, field.NewPath("ephemeralContainers"), PodValidationOptions{}); len(errs) != 0 { + var PodRestartPolicy core.RestartPolicy + PodRestartPolicy = "Never" + if errs := validateEphemeralContainers(ephemeralContainers, containers, initContainers, vols, nil, field.NewPath("ephemeralContainers"), PodValidationOptions{}, &PodRestartPolicy); len(errs) != 0 { t.Errorf("expected success for '%s' but got errors: %v", title, errs) } } @@ -7172,9 +7176,11 @@ func TestValidateEphemeralContainers(t *testing.T) { }, } + var PodRestartPolicy core.RestartPolicy + PodRestartPolicy = "Never" for _, tc := range tcs { t.Run(tc.title+"__@L"+tc.line, func(t *testing.T) { - errs := validateEphemeralContainers(tc.ephemeralContainers, containers, initContainers, vols, nil, field.NewPath("ephemeralContainers"), PodValidationOptions{}) + errs := validateEphemeralContainers(tc.ephemeralContainers, containers, initContainers, vols, nil, field.NewPath("ephemeralContainers"), PodValidationOptions{}, &PodRestartPolicy) if len(errs) == 0 { t.Fatal("expected error but received none") } @@ -7472,7 +7478,10 @@ func TestValidateContainers(t *testing.T) { }, }, } - if errs := validateContainers(successCase, volumeDevices, nil, field.NewPath("field"), PodValidationOptions{}); len(errs) != 0 { + + var PodRestartPolicy core.RestartPolicy + PodRestartPolicy = "Never" + if errs := validateContainers(successCase, volumeDevices, nil, field.NewPath("field"), PodValidationOptions{}, &PodRestartPolicy); len(errs) != 0 { t.Errorf("expected success: %v", errs) } @@ -8028,9 +8037,10 @@ func TestValidateContainers(t *testing.T) { field.ErrorList{{Type: field.ErrorTypeNotSupported, Field: "containers[0].resizePolicy"}}, }, } + for _, tc := range errorCases { t.Run(tc.title+"__@L"+tc.line, func(t *testing.T) { - errs := validateContainers(tc.containers, volumeDevices, nil, field.NewPath("containers"), PodValidationOptions{}) + errs := validateContainers(tc.containers, volumeDevices, nil, field.NewPath("containers"), PodValidationOptions{}, &PodRestartPolicy) if len(errs) == 0 { t.Fatal("expected error but received none") } @@ -8077,7 +8087,9 @@ func TestValidateInitContainers(t *testing.T) { TerminationMessagePolicy: "File", }, } - if errs := validateInitContainers(successCase, containers, volumeDevices, nil, field.NewPath("field"), PodValidationOptions{}); len(errs) != 0 { + var PodRestartPolicy core.RestartPolicy + PodRestartPolicy = "Never" + if errs := validateInitContainers(successCase, containers, volumeDevices, nil, field.NewPath("field"), PodValidationOptions{}, &PodRestartPolicy); len(errs) != 0 { t.Errorf("expected success: %v", errs) } @@ -8233,9 +8245,10 @@ func TestValidateInitContainers(t *testing.T) { field.ErrorList{{Type: field.ErrorTypeForbidden, Field: "initContainers[0].startupProbe", BadValue: ""}}, }, } + for _, tc := range errorCases { t.Run(tc.title+"__@L"+tc.line, func(t *testing.T) { - errs := validateInitContainers(tc.initContainers, containers, volumeDevices, nil, field.NewPath("initContainers"), PodValidationOptions{}) + errs := validateInitContainers(tc.initContainers, containers, volumeDevices, nil, field.NewPath("initContainers"), PodValidationOptions{}, &PodRestartPolicy) if len(errs) == 0 { t.Fatal("expected error but received none") }